Analysis
- max time kernel
147s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/04/2024, 10:01
General
- Target ed283f4c005983fb966af593e1c855cc_JaffaCakes118.exe
- Size 63KB
- Sample240411-l2n4ashb23
- SHA256 bd1c74b7a8e998069119fb117322a4b82b13fa612172499ae78ad3e24f973111
Malware Config
Signatures
- Modifies AppInit DLL entries 2 TTPs
- Loads dropped DLL 2 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Adds Run key to start application 2 TTPs 1 IoCs
- Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
- Drops file in System32 directory 8 IoCs
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\ed283f4c005983fb966af593e1c855cc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ed283f4c005983fb966af593e1c855cc_JaffaCakes118.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
wikavoso.dll
yirolori
memory/3248-0-0x00000000020A0000-0x000000000212A000-memory.dmp
memory/3248-2-0x0000000010000000-0x000000001001DB53-memory.dmp
memory/3248-1-0x0000000010000000-0x000000001001DB53-memory.dmp
memory/3248-19-0x00000000005D0000-0x00000000005EE000-memory.dmp
memory/3248-22-0x0000000002570000-0x00000000025FA000-memory.dmp
memory/3248-23-0x00000000005D0000-0x00000000005EE000-memory.dmp
memory/3248-24-0x00000000005D0000-0x00000000005EE000-memory.dmp
memory/3248-27-0x0000000010000000-0x000000001001DB53-memory.dmp
memory/3248-28-0x00000000005D0000-0x00000000005EE000-memory.dmp
memory/3248-30-0x00000000005D0000-0x00000000005EE000-memory.dmp