31d708d279347e4d617db8370f602b52b7d6624a9c14957be6592fb3ffd20c8f

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/07/2024, 20:34

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General

Target

7122d94d0e84e9d0c748ff4733edd785_JaffaCakes118.dll
Size

696KB
MD5

7122d94d0e84e9d0c748ff4733edd785
SHA1

91150ed374788043d336400a4989abb9236f1758
SHA256

31d708d279347e4d617db8370f602b52b7d6624a9c14957be6592fb3ffd20c8f
SHA512

06a0ecf7fe4b4c225b3e531a9e061f238dffd89409b0bb2a843d5a91c42c8998aebc6c54c25b0289cb52154daa57b353b9b6628b6891febcd79eb1e5dfa96d79
SSDEEP

12288:ZojDRIrnakmU0C+ecrOJ9zmWXJc1cxXsGoF8WrI2g/rao19yg6GYi3/TQQv5ocIi:ZojDoBmUTurOvzPc1cxXw8MIPGo1973R

Score

7^/10

discovery evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Wine	rundll32.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2344-1-0x0000000010000000-0x00000000101AF000-memory.dmp	themida
behavioral1/memory/2344-0-0x0000000010000000-0x00000000101AF000-memory.dmp	themida
behavioral1/memory/2344-3-0x0000000010000000-0x00000000101AF000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2344	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
788	2344	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe
2344	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2504 wrote to memory of 2344	2504	rundll32.exe	30
PID 2344 wrote to memory of 788	2344	rundll32.exe	31
PID 2344 wrote to memory of 788	2344	rundll32.exe	31
PID 2344 wrote to memory of 788	2344	rundll32.exe	31
PID 2344 wrote to memory of 788	2344	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7122d94d0e84e9d0c748ff4733edd785_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7122d94d0e84e9d0c748ff4733edd785_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 376
    3⤵
    - Program crash
    PID:788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2344-1-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2344-0-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2344-2-0x0000000010001000-0x0000000010010000-memory.dmp

Filesize
60KB

Download
memory/2344-3-0x0000000010000000-0x00000000101AF000-memory.dmp

Filesize
1.7MB

Download
memory/2344-4-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download