9505ea27895537dcb6c2488b2eee6c0b68b35747eb5b362ca6c4888fb9b115dd

Analysis

max time kernel
90s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 10:34

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General

Target

cf592057377cb88d0bc95a377b8fd9a9_JaffaCakes118.dll
Size

690KB
MD5

cf592057377cb88d0bc95a377b8fd9a9
SHA1

5d34b78e1d917eab35ecba32788bebea4da7388b
SHA256

9505ea27895537dcb6c2488b2eee6c0b68b35747eb5b362ca6c4888fb9b115dd
SHA512

95a0e9eb7be4d85214ecb5db4bf04d8b573348c0d73ae89cd48943e74f3cb79f812c2448e4372fb5fcc76a8700d77d7b9aa1bc8c2b437cd28615faca5a0a07dd
SSDEEP

12288:y3JKjAhROhOtGsgyZXVSfbJXE+nc6cf8zL4XpYyDvQo2bNvL:y3KAhRygZXkyf8Ysbh

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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3512-0-0x0000000075650000-0x00000000757F2000-memory.dmp	themida
behavioral2/memory/3512-3-0x0000000075650000-0x00000000757F2000-memory.dmp	themida

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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 3512	2676	rundll32.exe	85
PID 2676 wrote to memory of 3512	2676	rundll32.exe	85
PID 2676 wrote to memory of 3512	2676	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf592057377cb88d0bc95a377b8fd9a9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf592057377cb88d0bc95a377b8fd9a9_JaffaCakes118.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - System Location Discovery: System Language Discovery
  PID:3512

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/3512-0-0x0000000075650000-0x00000000757F2000-memory.dmp

Filesize
1.6MB

Download
memory/3512-2-0x00000000024A0000-0x000000000263E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-1-0x00000000023E0000-0x000000000247D000-memory.dmp

Filesize
628KB

Download
memory/3512-3-0x0000000075650000-0x00000000757F2000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads