Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
31/03/2024, 19:07
General
- Target 5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe
- Size 963KB
- Sample240331-xs4m6she4v
- SHA256 9f42a87633b7a40b8ce90e2d156d2c98fa9ebf7946e3af454fddc82aaf259c91
Malware Config
Signatures
- BluStealer
A Modular information stealer written in Visual Basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EnxgYjqgBbJac" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC5B.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\5b99e078a95f02617911e2403177a8dd_JaffaCakes118.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmpBC5B.tmp
memory/1336-22-0x0000000000400000-0x0000000000469000-memory.dmp
memory/1336-18-0x0000000000400000-0x0000000000469000-memory.dmp
memory/1336-15-0x0000000000400000-0x0000000000469000-memory.dmp
memory/2628-4-0x0000000004CC0000-0x0000000004D5C000-memory.dmp
memory/2628-5-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2628-6-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/2628-7-0x0000000004570000-0x0000000004584000-memory.dmp
memory/2628-8-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/2628-9-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2628-10-0x0000000006440000-0x00000000064FA000-memory.dmp
memory/2628-11-0x00000000061A0000-0x0000000006210000-memory.dmp
memory/2628-0-0x00000000000F0000-0x00000000001E8000-memory.dmp
memory/2628-3-0x0000000004B80000-0x0000000004C12000-memory.dmp
memory/2628-19-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/2628-2-0x0000000005090000-0x0000000005634000-memory.dmp
memory/2628-1-0x0000000074590000-0x0000000074D40000-memory.dmp