3eb63eb642b8c492580882d56ffd6ee222563ba354714cdb06ee1b00b538aeb1

Analysis

max time kernel
93s
max time network
94s
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 00:07

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General

Target

8244de9bf5541a57aecc3d788c0b2b4d_JaffaCakes118.dll
Size

81KB
MD5

8244de9bf5541a57aecc3d788c0b2b4d
SHA1

2f92e0a683a24d859098f14f45ad2bda5a51f633
SHA256

3eb63eb642b8c492580882d56ffd6ee222563ba354714cdb06ee1b00b538aeb1
SHA512

263db30c0854303d7c5e418dd2a49c48f8214153f300fcf0fb47ef3dbb071c5276da23fa1747fdebd7f9b653725c5dae5b391ae703b0058369377765aa87724e
SSDEEP

1536:9kBxXYlNWweUzFo7aaT+PY/9w/ycO+pQu1kc3VKtnB/Xnouy8Id:uBxUElTTZlwLSJRB/outId

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/2148-0-0x0000000010000000-0x0000000010025000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	2148	WerFault.exe	83

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 2488 wrote to memory of 2148	2488	rundll32.exe	83
PID 2488 wrote to memory of 2148	2488	rundll32.exe	83
PID 2488 wrote to memory of 2148	2488	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8244de9bf5541a57aecc3d788c0b2b4d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8244de9bf5541a57aecc3d788c0b2b4d_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 568
    3⤵
    - Program crash
    PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2148 -ip 2148
1⤵
PID:3692

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/2148-0-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

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