b30c3fdf4e6b300d6babac968c9cf0ec683c8a3d31dfb59266dd08c7191e857b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 15:55

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General

Target

169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe
Size

400KB
MD5

169aefdfb2b57368e59a017663a385a3
SHA1

5d5718b2417ae13c38932d26510c9c23c92a535c
SHA256

b30c3fdf4e6b300d6babac968c9cf0ec683c8a3d31dfb59266dd08c7191e857b
SHA512

d8ed78d33157b14f10278d8bcff0bc3190e85ccc22a9d1297fd3dd3134569a7da22ea42e16f9786d20a74987c8bb955aec0512f436c23653feb373ff8b3839a7
SSDEEP

6144:BFc36uqC4KlaB0biKdo/PQxlHRQ5jNzzGM2Y0Sjqfh:duq30iKdo/wWxN6Ydjqfh

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	ydtcu.exe

Loads dropped DLL 1 IoCs

pid	Process
4876	ydtcu.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
872	2444	WerFault.exe	79
3048	4876	WerFault.exe	91

Kills process with taskkill 1 IoCs

evasion

pid	Process
3312	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4680	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1576	2444	169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe	83
PID 2444 wrote to memory of 1576	2444	169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe	83
PID 2444 wrote to memory of 1576	2444	169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe	83
PID 1576 wrote to memory of 3312	1576	cmd.exe	85
PID 1576 wrote to memory of 3312	1576	cmd.exe	85
PID 1576 wrote to memory of 3312	1576	cmd.exe	85
PID 1576 wrote to memory of 4680	1576	cmd.exe	87
PID 1576 wrote to memory of 4680	1576	cmd.exe	87
PID 1576 wrote to memory of 4680	1576	cmd.exe	87
PID 1576 wrote to memory of 4876	1576	cmd.exe	91
PID 1576 wrote to memory of 4876	1576	cmd.exe	91
PID 1576 wrote to memory of 4876	1576	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 500
  2⤵
  - Program crash
  PID:872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2444 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\ydtcu.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1576
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2444
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3312
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:4680
- - C:\Users\Admin\AppData\Local\ydtcu.exe
    C:\Users\Admin\AppData\Local\ydtcu.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 512
      4⤵
      Program crash
      PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2444 -ip 2444
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4876 -ip 4876
1⤵
PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\ydtcu.exe

Filesize
400KB

MD5
169aefdfb2b57368e59a017663a385a3

SHA1
5d5718b2417ae13c38932d26510c9c23c92a535c

SHA256
b30c3fdf4e6b300d6babac968c9cf0ec683c8a3d31dfb59266dd08c7191e857b

SHA512
d8ed78d33157b14f10278d8bcff0bc3190e85ccc22a9d1297fd3dd3134569a7da22ea42e16f9786d20a74987c8bb955aec0512f436c23653feb373ff8b3839a7

Download Submit
memory/2444-0-0x0000000000680000-0x0000000000682000-memory.dmp

Filesize
8KB

Download
memory/2444-1-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/2444-2-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/2444-5-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/4876-9-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/4876-10-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/4876-12-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download