Analysis
- max time kernel
149s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/08/2024, 01:05
General
- Target 9102d908ded8526e50274662eaa50d50_JaffaCakes118.exe
- Size 839KB
- Sample240813-bfl2pswbrc
- SHA256 b9e072c2c18dcaf743a788c192b7380bc3affbc4a4e2ed29f64abd6f12f3410b
Malware Config
Signatures
- Ardamax
A keylogger first seen in 2013.
- Ardamax main executable 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 4 IoCs
- 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.
- Drops file in System32 directory 10 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Modifies registry class 36 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9102d908ded8526e50274662eaa50d50_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9102d908ded8526e50274662eaa50d50_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\28463\BBRA.exe"C:\Windows\system32\28463\BBRA.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
@A79A.tmp
AKV.exe
BBRA.001
BBRA.004
BBRA.006
BBRA.007
BBRA.chm
BBRA.exe
key.bin
memory/3064-35-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3064-38-0x00000000005C0000-0x00000000005C1000-memory.dmp
memory/3064-31-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/3064-30-0x0000000002510000-0x0000000002511000-memory.dmp
memory/3064-29-0x0000000002560000-0x0000000002561000-memory.dmp
memory/3064-28-0x0000000002540000-0x0000000002541000-memory.dmp
memory/3064-27-0x0000000002550000-0x0000000002551000-memory.dmp
memory/3064-26-0x00000000024F0000-0x00000000024F1000-memory.dmp
memory/3064-39-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/3064-41-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/3064-40-0x0000000003370000-0x0000000003371000-memory.dmp
memory/3064-32-0x0000000003360000-0x0000000003361000-memory.dmp
memory/3064-33-0x0000000003350000-0x0000000003353000-memory.dmp
memory/3064-34-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3064-36-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3064-37-0x00000000033C0000-0x00000000033C1000-memory.dmp
memory/3064-24-0x00000000022C0000-0x000000000231A000-memory.dmp
memory/3064-17-0x0000000000400000-0x00000000004DF000-memory.dmp
memory/3064-52-0x0000000000400000-0x00000000004DF000-memory.dmp
memory/3064-54-0x00000000022C0000-0x000000000231A000-memory.dmp
memory/3064-55-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3064-56-0x0000000000400000-0x00000000004DF000-memory.dmp