Exploit.Siggen2.32549

Technical Information

Malicious functions

Creates and executes the following (exploit)

'C:\users\public\sekgkxtisulrcrvdvavn.exe'

Injects code into

the following user processes:

addinprocess32.exe

Searches for registry branches where third party applications store passwords

[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
[<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions\]

Reads files which store third party applications passwords

%LOCALAPPDATA%\google\chrome\user data\default\login data
%APPDATA%\opera software\opera stable\login data
%LOCALAPPDATA%\google\chrome\user data\default\cookies
%LOCALAPPDATA%\google\chrome\user data\default\web data

Modifies file system

Creates the following files

C:\users\public\sekgkxtisulrcrvdvavn.exe
%TEMP%\2fda\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\2fda\freebl3.dll
%TEMP%\2fda\mozglue.dll
%TEMP%\2fda\msvcp140.dll
%TEMP%\2fda\nss3.dll
%TEMP%\2fda\nssdbm3.dll
%TEMP%\2fda\softokn3.dll
%TEMP%\2fda\ucrtbase.dll
%TEMP%\2fda\vcruntime140.dll
%TEMP%\110918256465099908990.tmp
%TEMP%\1109245225539436203130.tmp
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%TEMP%\11113353222389586579446.tmp
%TEMP%\11112733213295176025825.tmp
%TEMP%\1111257620558916995180.tmp
%TEMP%\11112415557734877631417.tmp
%TEMP%\1111210322166777024671.tmp
%TEMP%\11111791482432354461688.tmp
%TEMP%\11110855941495152964749.tmp-shm
%TEMP%\11111483821142265197729.tmp
%TEMP%\11110855941495152964749.tmp
%TEMP%\11109766930532217041639.tmp
%TEMP%\11109452832417994518729.tmp
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%TEMP%\11113518585508367003933.tmp
%TEMP%\2fda\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-multibyte-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\addinprocess32.exe
%TEMP%\2fda\api-ms-win-core-console-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-file-l2-1-0.dll
%TEMP%\2fda\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-util-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\2fda\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\11113518585508367003933.tmp-shm