942a6feaca97b023221a427bcb06b56b269510e7e94652db51f048077592f20f

Analysis

max time kernel
147s
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
23/06/2024, 22:39

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General

Target

0331bbe10a4b260a591a74cd819d1654_JaffaCakes118.dll
Size

236KB
MD5

0331bbe10a4b260a591a74cd819d1654
SHA1

3f56636ecea4c9bcfaac2d0db05db9c691c3a5f2
SHA256

942a6feaca97b023221a427bcb06b56b269510e7e94652db51f048077592f20f
SHA512

19b9658458542e5b11a4cbeb4fa79050533087c5363db3bcd3749310118000437c033f335ef104b696ea9f100b303b13513a7aa1511c3a4f893087b25d6036c3
SSDEEP

3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkId:+Qj9U3jwO3rt5O

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\cuj = "{ec5e419a-64d6-b92b-75e7-64d6c912f814}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xpe.dll	rundll32.exe
File created	C:\Windows\SysWOW64\phw.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\phw.dll	rundll32.exe
File created	C:\Windows\SysWOW64\xpe.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ec5e419a-64d6-b92b-75e7-64d6c912f814}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ec5e419a-64d6-b92b-75e7-64d6c912f814}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ec5e419a-64d6-b92b-75e7-64d6c912f814}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ec5e419a-64d6-b92b-75e7-64d6c912f814}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ec5e419a-64d6-b92b-75e7-64d6c912f814}\InprocServer32\ = "C:\\Windows\\SysWow64\\xpe.dll"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2196	rundll32.exe
2196	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2196	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2196	1408	rundll32.exe	80
PID 1408 wrote to memory of 2196	1408	rundll32.exe	80
PID 1408 wrote to memory of 2196	1408	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0331bbe10a4b260a591a74cd819d1654_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0331bbe10a4b260a591a74cd819d1654_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2196

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\phw.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/2196-0-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2196-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2196-10-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2196-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download