91728751fdfedf3979570c73e2ecc3ab01aa3433f22088efa01c9b56e10a56b0

Analysis

max time kernel
93s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 21:10

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General

Target

0f89b155115ede2d0d25c95cf2cfc22f_JaffaCakes118.dll
Size

230KB
MD5

0f89b155115ede2d0d25c95cf2cfc22f
SHA1

4df5717ae075640ba788c2ee934a1c385c15415b
SHA256

91728751fdfedf3979570c73e2ecc3ab01aa3433f22088efa01c9b56e10a56b0
SHA512

e6884bc566b2d7f9aa11f1f64519d316ea5dcde9dd72fcb24c2906c0ff63fd6bb30290790eb6ab6196b0dbc8b57e3180d845ee98ba94a8e2c3b266e2930d5601
SSDEEP

1536:QiaVnouSu4CU7XZfjPcj/NMC2PhBRX99m+g9Vxm5dZZpQCLWGUGowkTEI/L:VioFCUrJcj/uC2b9+x0Jq8uwkQIT

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\tbpggid = "{51d02eb7-d958-2ead-ea69-d958a63f4da1}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4308	rundll32.exe

Drops file in System32 directory 4 IoCs

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51d02eb7-d958-2ead-ea69-d958a63f4da1}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51d02eb7-d958-2ead-ea69-d958a63f4da1}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51d02eb7-d958-2ead-ea69-d958a63f4da1}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51d02eb7-d958-2ead-ea69-d958a63f4da1}\InprocServer32\ = "C:\\Windows\\SysWow64\\owkbbdy.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51d02eb7-d958-2ead-ea69-d958a63f4da1}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4308	rundll32.exe
4308	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4308	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 4308	3920	rundll32.exe	81
PID 3920 wrote to memory of 4308	3920	rundll32.exe	81
PID 3920 wrote to memory of 4308	3920	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f89b155115ede2d0d25c95cf2cfc22f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f89b155115ede2d0d25c95cf2cfc22f_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:4308

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\gocttvq.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/4308-0-0x0000000000B10000-0x0000000000B52000-memory.dmp

Filesize
264KB

Download
memory/4308-1-0x0000000000B11000-0x0000000000B18000-memory.dmp

Filesize
28KB

Download
memory/4308-8-0x0000000000B10000-0x0000000000B52000-memory.dmp

Filesize
264KB

Download
memory/4308-11-0x0000000000B10000-0x0000000000B52000-memory.dmp

Filesize
264KB

Download
memory/4308-12-0x0000000000B10000-0x0000000000B52000-memory.dmp

Filesize
264KB

Download