31633f35dc70a3495c0f01a44a5454109c081db0246ed14aad6145dd3d209ff1

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 05:45

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General

Target

f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
Size

44KB
MD5

f9a0948788eb245c1b83c2245ea0f086
SHA1

5f886a7e4de292861d4087b208e1c0ac4d3a2d01
SHA256

31633f35dc70a3495c0f01a44a5454109c081db0246ed14aad6145dd3d209ff1
SHA512

e04bba119e7636a3b81069cced9aa2a13e60a002866580f2599b977dfa7713aeeda77d2b4bd7bc214037c78dce3418e4de241f657f5538061ddd9a5d681a22ec
SSDEEP

768:tMQoGBwklqKSf2+vblbO1M72eJ9AYLacN5xyLO93kcPCjG4F8x4XrYI+GG:2tKvylbR7h9Znr/9u64fVG

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kusn33sd\ImagePath = "C:\\Windows\\system32\\kusn33sd.exe -j"	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2248	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	kusn33sd.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kusn33sd.exe	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kusn33sd.exe	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kusn33sd.exe	kusn33sd.exe
File created	C:\Windows\SysWOW64\KillMe.bat	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kusn433sd3.dll	kusn33sd.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2860	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
2920	kusn33sd.exe
2920	kusn33sd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2248	2860	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe	29
PID 2860 wrote to memory of 2248	2860	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe	29
PID 2860 wrote to memory of 2248	2860	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe	29
PID 2860 wrote to memory of 2248	2860	f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9a0948788eb245c1b83c2245ea0f086_JaffaCakes118.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\KillMe.bat
  2⤵
  - Deletes itself
  PID:2248

C:\Windows\SysWOW64\kusn33sd.exe
C:\Windows\SysWOW64\kusn33sd.exe -j
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\KillMe.bat

Filesize
239B

MD5
3d9520e6c00d1b8d8eaa9754820368c3

SHA1
70b06ea7e56609c9ef348aaba1ecc4fdbf1c6ab5

SHA256
ec683108c45d615d5e2f6e5d7c77a82770f92d42c1bfc3667170afcc197a0051

SHA512
a6358fc061dd9803fb98e68e1de928512b3ab0df5c99598a0b4dab138b87978ae59862a7599a541a98f7ce00f37b187ba8b24ec92b625b942613528973c09745

Download Submit
C:\Windows\SysWOW64\kusn33sd.exe

Filesize
44KB

MD5
f9a0948788eb245c1b83c2245ea0f086

SHA1
5f886a7e4de292861d4087b208e1c0ac4d3a2d01

SHA256
31633f35dc70a3495c0f01a44a5454109c081db0246ed14aad6145dd3d209ff1

SHA512
e04bba119e7636a3b81069cced9aa2a13e60a002866580f2599b977dfa7713aeeda77d2b4bd7bc214037c78dce3418e4de241f657f5538061ddd9a5d681a22ec

Download Submit
memory/2860-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2920-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download