d34e2ce778253b852a68ad0491a4b51d119b2fae177c3cf25ff26e2603c0355a

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16/05/2024, 16:39

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General

Target

4c0ae8c54d1e8244637a3c3b6dfad072_JaffaCakes118.dll
Size

1.6MB
MD5

4c0ae8c54d1e8244637a3c3b6dfad072
SHA1

fcf4de60a8518fb3a879b8ccb0854b98889ac06c
SHA256

d34e2ce778253b852a68ad0491a4b51d119b2fae177c3cf25ff26e2603c0355a
SHA512

06f0cd4d5afbacabc5a655a18342619880faea1b6fd302a6bbf232c7291ff5dcc4f9431e8763af624039d66d4f417fdfa57285869ac658e1d8aa095df55c2332
SSDEEP

24576:Gvd0pQjnKbMgC0ABRn7ekbIFooXo7fg4aqnO/+6iH+KPLs4mLmvg5ZDWpi:G1tGvCvRn74FnXQpHOGieemvKB

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4248	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3652	4248	WerFault.exe	82
2700	4248	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4248	rundll32.exe
4248	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 4248	2760	rundll32.exe	82
PID 2760 wrote to memory of 4248	2760	rundll32.exe	82
PID 2760 wrote to memory of 4248	2760	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c0ae8c54d1e8244637a3c3b6dfad072_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c0ae8c54d1e8244637a3c3b6dfad072_JaffaCakes118.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 676
    3⤵
    - Program crash
    PID:3652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 920
    3⤵
    - Program crash
    PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4248 -ip 4248
1⤵
PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4248 -ip 4248
1⤵
PID:2080

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 Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4248-0-0x0000000074500000-0x000000007497D000-memory.dmp

Filesize
4.5MB

Download
memory/4248-1-0x0000000076F14000-0x0000000076F16000-memory.dmp

Filesize
8KB

Download
memory/4248-2-0x0000000074501000-0x0000000074510000-memory.dmp

Filesize
60KB

Download
memory/4248-3-0x0000000074500000-0x000000007497D000-memory.dmp

Filesize
4.5MB

Download
memory/4248-4-0x0000000074501000-0x0000000074510000-memory.dmp

Filesize
60KB

Download