Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
25/09/2026, 17:18
General
- Target jaffacakes118_49f68c2d0b1990cf05e4f9dd0f51558a3b4503f8c60f3e51f627418dc25b7f1c.exe
- Size 376KB
- Sample260925-vvclcssang
- SHA256 49f68c2d0b1990cf05e4f9dd0f51558a3b4503f8c60f3e51f627418dc25b7f1c
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 1 IoCs
- 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
- 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.
- Drops file in System32 directory 2 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_49f68c2d0b1990cf05e4f9dd0f51558a3b4503f8c60f3e51f627418dc25b7f1c.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_49f68c2d0b1990cf05e4f9dd0f51558a3b4503f8c60f3e51f627418dc25b7f1c.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
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe msikbk32.dll,ePebAAKIk2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 7082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3720 -ip 37201⤵
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
msikbk32.dll
memory/796-8-0x0000000010000000-0x0000000010087000-memory.dmp
memory/796-11-0x0000000010000000-0x0000000010087000-memory.dmp
memory/796-12-0x0000000010000000-0x0000000010087000-memory.dmp
memory/3720-0-0x0000000002300000-0x000000000235A000-memory.dmp
memory/3720-1-0x0000000002900000-0x0000000002987000-memory.dmp
memory/3720-3-0x0000000002900000-0x0000000002987000-memory.dmp
memory/3720-2-0x0000000002900000-0x0000000002987000-memory.dmp
memory/3720-5-0x0000000002900000-0x0000000002987000-memory.dmp
memory/3720-9-0x0000000002300000-0x000000000235A000-memory.dmp
memory/3720-10-0x0000000002900000-0x0000000002987000-memory.dmp