754fee1f4f18d040925e7bbca247b2fce4671c564212a2077a77b2a5b08ce8a9

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 23:23

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General

Target

29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
Size

52KB
MD5

29951ef7e893b6b760a5f57875fc4c7d
SHA1

b703400f668057487e7a7ea7b852107737f07c1e
SHA256

754fee1f4f18d040925e7bbca247b2fce4671c564212a2077a77b2a5b08ce8a9
SHA512

99f1aeb76513d6ba1cddc5297615b5daaedc378996d39fbccff53ac120832f6cb750713c1b02f7b75a3c5bf40d878df15b0053939e51ccbcb4c2e0dfdcc01db7
SSDEEP

768:l5ZuAbjHj7RtN6sE9NRCJmZ8KmDUk6O1S2PF0NXVTo3D0PZzkVX3t4aENtUs4vnv:bZFjD7RBSNRN/G1SJTQ2xctTEUTfu+

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
3984	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\hgGvuSjG.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\pmnljHxX.dll	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\pmnljHxX.dll	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\hgGvuSjG.dll	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\hgGvuSjG.dll	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0966F3D5-C170-42B2-91CC-DBFDC77E9625}\InprocServer32\ThreadingModel = "Both"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0966F3D5-C170-42B2-91CC-DBFDC77E9625}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0966F3D5-C170-42B2-91CC-DBFDC77E9625}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0966F3D5-C170-42B2-91CC-DBFDC77E9625}\InprocServer32\ = "C:\\Windows\\SysWow64\\hgGvuSjG.dll"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe
3984	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 616	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	5
PID 3112 wrote to memory of 3984	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	87
PID 3112 wrote to memory of 3984	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	87
PID 3112 wrote to memory of 3984	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	87
PID 3112 wrote to memory of 2544	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	88
PID 3112 wrote to memory of 2544	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	88
PID 3112 wrote to memory of 2544	3112	29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe	88

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\hgGvuSjG.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:3984
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\29951ef7e893b6b760a5f57875fc4c7d_JaffaCakes118.exe"
  2⤵
  PID:2544

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:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

Download Submit
C:\Windows\SysWOW64\pmnljHxX.dll

Filesize
37KB

MD5
1b57ff750e97efdf4718d7092a3e7ea1

SHA1
093bd18bd9443292a694c7dca66ce4ee03e254ab

SHA256
5e330a02224b9a778ba53e33d42f1d0e98978e34be5931c51c2d25c4635265d5

SHA512
bc1873b1d404830999b908c9cd30da6dad99d407560e2900cbaf80a08f4a66a6d5c794112cc74d7679eb23b08fe8fcb0fb8a68925dfbcec6e032158c6b6784df

Download Submit
memory/3112-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3112-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3112-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3112-13-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/3112-16-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3984-23-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/3984-22-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/3984-25-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download