bc59e708063e32e5b8cf67f22a5b4c2ff86dddd51ebcf1cd8424c491c3045c63

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 08:24

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General

Target

21b04a59727204b914a3eda03d148900_JaffaCakes118.dll
Size

328KB
MD5

21b04a59727204b914a3eda03d148900
SHA1

19faa14dc859804bdf88ccfb520a6c8118e4f5a8
SHA256

bc59e708063e32e5b8cf67f22a5b4c2ff86dddd51ebcf1cd8424c491c3045c63
SHA512

775bb669b028788ed2890c11a578cc6dd2e1c32e33aabfab459d0b2236d4ebe788cf1bf6cab73307e9d55339649f70c7836a47c77e7bed5ea0dd33b6f1b9245e
SSDEEP

6144:+Ey9AhIWwwhH2bjcxyUgIe8xtND/RHumwOfAysEBojfiyVbVX81ogUgfQDpf3hD:dhI/wEfcs6DZH4wiEBfyJVsq8m53hD

Score

8^/10

evasion

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
4904	wscsvc32.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2448	rundll32.exe
2448	rundll32.exe
2448	rundll32.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2448	rundll32.exe
2448	rundll32.exe
2448	rundll32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4904	wscsvc32.exe
4904	wscsvc32.exe
4904	wscsvc32.exe
4904	wscsvc32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2448	532	rundll32.exe	81
PID 532 wrote to memory of 2448	532	rundll32.exe	81
PID 532 wrote to memory of 2448	532	rundll32.exe	81
PID 2448 wrote to memory of 4904	2448	rundll32.exe	82
PID 2448 wrote to memory of 4904	2448	rundll32.exe	82
PID 2448 wrote to memory of 4904	2448	rundll32.exe	82

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	wscsvc32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21b04a59727204b914a3eda03d148900_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21b04a59727204b914a3eda03d148900_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2448
- - C:\Users\Admin\AppData\Local\Temp\wscsvc32.exe
    C:\Users\Admin\AppData\Local\Temp\wscsvc32.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\wscsvc32.exe

Filesize
275KB

MD5
ca0717ec5a42014dc97fd995e2dab8c4

SHA1
3d24bba19f152efeff203d2b65859c46a354789d

SHA256
a8e0d33ab79b3d25224fdf7724eebcf6a0e779b7a3df964119c5a198ed703f0a

SHA512
ea098919758ec12b2f15d762febdb23b7f7a5808783a196c31e24ea7c27f4c53c61a4167397f4669ba99d7d8df315762482842ba971eeb0fb730a8be5d825408

Download Submit
memory/2448-0-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Filesize
24KB

Download
memory/2448-1-0x0000000010002000-0x0000000010004000-memory.dmp

Filesize
8KB

Download
memory/2448-2-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2448-28-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/2448-36-0x0000000010000000-0x0000000010056000-memory.dmp

Filesize
344KB

Download
memory/4904-7-0x0000000000400000-0x0000000000446C00-memory.dmp

Filesize
283KB

Download
memory/4904-19-0x0000000000400000-0x0000000000446C00-memory.dmp

Filesize
283KB

Download