afe91ceafc25f09e5314ebb21c59281a218186d49b4d1d2f7bf3c37b45327750

Analysis

max time kernel
137s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 01:56

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General

Target

a4f13627ef71c5f775b2c83f2388e81a_JaffaCakes118.dll
Size

91KB
MD5

a4f13627ef71c5f775b2c83f2388e81a
SHA1

06882861767f8d455857796b938a739b73c0cf24
SHA256

afe91ceafc25f09e5314ebb21c59281a218186d49b4d1d2f7bf3c37b45327750
SHA512

ce0f8e32eefac5ea0fe8dbabb66982511edbe3a7566c7c9b6f675eb37194af41aeb4355f7d4511b80f678b91273afb9ae06d0849c3abefd81da7370d5a83c963
SSDEEP

1536:rRR90OPKDbG/5K5dTBJn8nr3lET1fG6AbzvwnNjP+6xjmIFL1gnUDKrQ2WEWpcmt:1jF/5K5dTEqT1RmwNfxaIFLaEdaWGwoW

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/320-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	320	WerFault.exe	86

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 4464 wrote to memory of 320	4464	rundll32.exe	86
PID 4464 wrote to memory of 320	4464	rundll32.exe	86
PID 4464 wrote to memory of 320	4464	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4f13627ef71c5f775b2c83f2388e81a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4f13627ef71c5f775b2c83f2388e81a_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 560
    3⤵
    - Program crash
    PID:2976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 320 -ip 320
1⤵
PID:1156

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/320-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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