c6d17384f901cd2509c02d6d07d6ee7941d76f88921ac5d5cad2c9bed7f9079a

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24/06/2024, 01:24

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General

Target

06d13cb5537a48a32f7e31d11975f7d8_JaffaCakes118.dll
Size

236KB
MD5

06d13cb5537a48a32f7e31d11975f7d8
SHA1

a4ac9a9cf4f2b9ec73209db483c9da9eefc4227a
SHA256

c6d17384f901cd2509c02d6d07d6ee7941d76f88921ac5d5cad2c9bed7f9079a
SHA512

ba32b16fdf653e08a24f1a6008f6929f458c160bcdb4935fa168f2f810bf51f1292b81cd6a1c66303c6bc69e4e570a8b4c83ef402999d5cb152e0a6c12fbd383
SSDEEP

1536:1dKaTHN2ymZ0ofa5uQm4V7HG8ldINh+RhFtFftCgpcGO5lPf/XG8GmGwktbK:1Y4tIQG8XAmbFfaGc1fawk1K

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\cdjzaxn = "{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	rundll32.exe

Drops file in System32 directory 4 IoCs

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}\InprocServer32\ = "C:\\Windows\\SysWow64\\xyeuvsi.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{07b74d74-8f3f-d484-9040-8f3fc5fcf47f}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1644	rundll32.exe
1644	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1644	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 1644	5076	rundll32.exe	81
PID 5076 wrote to memory of 1644	5076	rundll32.exe	81
PID 5076 wrote to memory of 1644	5076	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d13cb5537a48a32f7e31d11975f7d8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\06d13cb5537a48a32f7e31d11975f7d8_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:1644

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

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Downloads

C:\Windows\SysWOW64\pqwmnka.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/1644-0-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/1644-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1644-10-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download