330021012faddc9dec4446e5cdd45eaa4874bb7c9197dc3329db6e679753696e

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-07-2024 21:35

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General

Target

4b807a2200e262dacfedfd13b3268d6c_JaffaCakes118.dll
Size

788KB
MD5

4b807a2200e262dacfedfd13b3268d6c
SHA1

779dba0d28f7bf8e5f6e286634e3877650b6fabe
SHA256

330021012faddc9dec4446e5cdd45eaa4874bb7c9197dc3329db6e679753696e
SHA512

c60b205fbf4256cb564595f51f9e8f6eab12727d28d0875728cd20e9c645c3be7cfa69bce012a60a620f5beff2bb2001038869f8cc565bde07356163877338eb
SSDEEP

12288:c70CwlkzR1z4LLRxmT/HxaxpV5Nd/4KsGa9LUWK3CegMmGAfozkDrZLpqzVUeQR4:coC3Va+jYjfgKszDnMmGArxLoC3tu

Score

7^/10

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Wine	rundll32.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1356-2-0x0000000010000000-0x00000000101C1000-memory.dmp	themida
behavioral1/memory/1356-1-0x0000000010000000-0x00000000101C1000-memory.dmp	themida
behavioral1/memory/1356-0-0x0000000010000000-0x00000000101C1000-memory.dmp	themida
behavioral1/memory/1356-4-0x0000000010000000-0x00000000101C1000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1356	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1356	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31
PID 3004 wrote to memory of 1356	3004	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b807a2200e262dacfedfd13b3268d6c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b807a2200e262dacfedfd13b3268d6c_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1356

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1356-2-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/1356-1-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/1356-0-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/1356-5-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1356-4-0x0000000010000000-0x00000000101C1000-memory.dmp

Filesize
1.8MB

Download
memory/1356-3-0x00000000003E0000-0x00000000003EE000-memory.dmp

Filesize
56KB

Download
memory/1356-6-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download