905c90c1f7815639fd70af5940a6a49d6aeca5a6872c29051b0697a40f678c64

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 05:05

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General

Target

83244b2a5d09c65ba4f8d565a53f14f9_JaffaCakes118.dll
Size

970KB
MD5

83244b2a5d09c65ba4f8d565a53f14f9
SHA1

38cce11af60698ccaa4fb51139ea06f94f8ac777
SHA256

905c90c1f7815639fd70af5940a6a49d6aeca5a6872c29051b0697a40f678c64
SHA512

e63657d9c76f280288376b78d2cbb0c023342f2731de01bf72f1da77698037fc266f26979201a82bb99aceb2bec97f6a2f4953200495f58fb83af6f43a160ba7
SSDEEP

24576:3zeU9Yjrnlz+6eDte6Hxgp8/fLUKTp48A8Y+v1jCQv3:3KUGo6eJe6RgiDUY48HN2O

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1080-0-0x0000000002490000-0x000000000278F000-memory.dmp	upx
behavioral2/memory/1080-1-0x0000000002490000-0x000000000278F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3456	1080	WerFault.exe	82

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 868 wrote to memory of 1080	868	rundll32.exe	82
PID 868 wrote to memory of 1080	868	rundll32.exe	82
PID 868 wrote to memory of 1080	868	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83244b2a5d09c65ba4f8d565a53f14f9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83244b2a5d09c65ba4f8d565a53f14f9_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 624
    3⤵
    - Program crash
    PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1080 -ip 1080
1⤵
PID:1568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1080-0-0x0000000002490000-0x000000000278F000-memory.dmp

Filesize
3.0MB

Download
memory/1080-1-0x0000000002490000-0x000000000278F000-memory.dmp

Filesize
3.0MB

Download
memory/1080-2-0x0000000000A40000-0x0000000000A50000-memory.dmp

Filesize
64KB

Download
memory/1080-3-0x0000000002490000-0x000000000278F000-memory.dmp

Filesize
3.0MB

Download
memory/1080-4-0x0000000002490000-0x000000000278F000-memory.dmp

Filesize
3.0MB

Download