754188e2ec88eff6c58d1b46052ae9449b8b8b0ea86da03c8faea1f634ded5ac

Analysis

max time kernel
140s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 11:02

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General

Target

8a1ccdb5dcf1fb6ffe35606718846520_JaffaCakes118.dll
Size

978KB
MD5

8a1ccdb5dcf1fb6ffe35606718846520
SHA1

0539b5ccf05e80c50285dde0ae6666045995bdde
SHA256

754188e2ec88eff6c58d1b46052ae9449b8b8b0ea86da03c8faea1f634ded5ac
SHA512

0440ff0f4726e45fd6cae818d2922f0c45a515f069077902f1290e5d2056b2c9a01bd7bc7208cd61df31e6cf2baae83fe84d3155d2819f80f60e7e4854df42b9
SSDEEP

24576:d5BjQFSKdqnZQEEOp1lhNkMweTb1L6dp:SdbMw0bd63

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 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1344-1-0x0000000000B60000-0x0000000000C7B000-memory.dmp	themida
behavioral1/memory/1344-0-0x0000000000B60000-0x0000000000C7B000-memory.dmp	themida
behavioral1/memory/1344-2-0x0000000000B60000-0x0000000000C7B000-memory.dmp	themida
behavioral1/memory/1344-4-0x0000000000B60000-0x0000000000C7B000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1344	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1716	1344	WerFault.exe	29

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 1 IoCs

pid	Process
1344	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1048 wrote to memory of 1344	1048	rundll32.exe	29
PID 1344 wrote to memory of 1716	1344	rundll32.exe	30
PID 1344 wrote to memory of 1716	1344	rundll32.exe	30
PID 1344 wrote to memory of 1716	1344	rundll32.exe	30
PID 1344 wrote to memory of 1716	1344	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a1ccdb5dcf1fb6ffe35606718846520_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a1ccdb5dcf1fb6ffe35606718846520_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:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 420
    3⤵
    - Program crash
    PID:1716

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

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Downloads

memory/1344-1-0x0000000000B60000-0x0000000000C7B000-memory.dmp

Filesize
1.1MB

Download
memory/1344-0-0x0000000000B60000-0x0000000000C7B000-memory.dmp

Filesize
1.1MB

Download
memory/1344-2-0x0000000000B60000-0x0000000000C7B000-memory.dmp

Filesize
1.1MB

Download
memory/1344-3-0x0000000000B61000-0x0000000000B7A000-memory.dmp

Filesize
100KB

Download
memory/1344-4-0x0000000000B60000-0x0000000000C7B000-memory.dmp

Filesize
1.1MB

Download
memory/1344-5-0x0000000000B50000-0x0000000000B5E000-memory.dmp

Filesize
56KB

Download