Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 10:33
Static task
static1
Behavioral task
behavioral1
Sample
jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe
- Size 378KB
- Sample260930-ml2vwsxxcx
- SHA256 dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f
- MD5 8b4fae44e90eafe4c0548eabfeb43e45
- SHA1 1834fd4484f56b68e5eb2df3e19d93334f0b252c
- SHA512 a205a2e4ba5418c9cf7207a335a17491ab6e3858f6c8ea32897c5998fa74783560d7c8f2d41f66e7fac645f8ac3519ecd83e8da58e806448633855b1462d9b91
- SSDEEP 6144:U/P83wASPgFTHumWKKcpWOFk1puRatSxPJurpZBmtL2RcVUKG:oemCLGKXWOukRaqPJurRSil
- TLSH T17A84F2126820C09BC3E2E4F42918D463012EFA2067ED948B7FE55BE69B537FA4C3575B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000e00000001c608-5.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 3112 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSIDLL = "C:\\Windows\\SysWOW64\\rundll32.exe msipnb32.dll,ERfOlq" jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\msipnb32.dll jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe File opened for modification C:\Windows\SysWOW64\msipnb32.dll jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe -
resource yara_rule behavioral2/files/0x000e00000001c608-5.dat upx behavioral2/memory/3112-7-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/3112-9-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/3112-22-0x0000000010000000-0x0000000010088000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 3308 1384 WerFault.exe 88 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1384 wrote to memory of 3112 1384 jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dfaa8726cd522e91611544c661efca4efaa3d913e9b131e6deb89b4c9302845f.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe msipnb32.dll,ERfOlq2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3112
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 7522⤵
- Program crash
PID:3308
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 228 -p 1384 -ip 13841⤵PID:2320
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\msipnb32.dll
- Size 175KB
- SHA256 fbe7b0a60750ddb0e3e119ec9f387bb1fe521e45a6bf918e8ebe4f1e6748c3c4
- MD5 b5bf7b11f0d44f0a9317d578d6dfd566
- SHA1 7424a34920bdf41c49d76a109bb224c79e6f0d6b
- SHA512 d449885eddd41acfcdb8c7ab6b2854820596e3d46a4ae27734a13ed0a6dea6e131901516b7bc0048445f2b06a75c2ed480ebe8c92fbbcb6adc7353b6b2a09a70
- SSDEEP 3072:BmSNZsRgQJhvfV6SKp1bRUZ0gdZYZs9obOYHu8IS96BECRHnWkOT:7NZg7nV6SKp1NUzTybOYOtuMRHWv
- TLSH T10F04121F35F81B2BEE5B5838C735AABDD62E5357567E6001A83B50678CDA2A373F0804
- MD5 SHA1 SHA512 SSDEEP TLSH