e16afe0d4e655437255e9113647a14bd71a32a8269e106232cfd740f7faaa2ed

Analysis

max time kernel
149s
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
27/06/2024, 22:18

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General

Target

17bbce138cf483552d80d5173ab3abf6_JaffaCakes118.dll
Size

24KB
MD5

17bbce138cf483552d80d5173ab3abf6
SHA1

dbba94d291839a7aeaca14be7de594a457eb2041
SHA256

e16afe0d4e655437255e9113647a14bd71a32a8269e106232cfd740f7faaa2ed
SHA512

7d28b28c3ebd15d732f83d2ed15f66b30b5121ced24bbb563417e8b2d5eade046228e2aa441886f4a132e215c5035680cd823d65d190d1ac198ae350050902c1
SSDEEP

384:VW4JURRkGRW89KCPMO3hz6vAyeQfV10XXThrIZcKbwOR0q6Sg/uASCX8:VdU9Rx2Ay5V1W5IZFb9ReduVf

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
2604	rundll32.exe
2604	rundll32.exe
456	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\\tuvWqQjh.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5F11D5D5-3FB2-4ADD-84AD-D69BC9A5D312}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5F11D5D5-3FB2-4ADD-84AD-D69BC9A5D312}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5F11D5D5-3FB2-4ADD-84AD-D69BC9A5D312}\InprocServer32\ = "C:\\Windows\\SysWow64\\tuvWqQjh.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5F11D5D5-3FB2-4ADD-84AD-D69BC9A5D312}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2604	rundll32.exe
2604	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe
456	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2604	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2604	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 2604	4872	rundll32.exe	81
PID 4872 wrote to memory of 2604	4872	rundll32.exe	81
PID 4872 wrote to memory of 2604	4872	rundll32.exe	81
PID 2604 wrote to memory of 620	2604	rundll32.exe	5
PID 2604 wrote to memory of 456	2604	rundll32.exe	84
PID 2604 wrote to memory of 456	2604	rundll32.exe	84
PID 2604 wrote to memory of 456	2604	rundll32.exe	84

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:620

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\17bbce138cf483552d80d5173ab3abf6_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17bbce138cf483552d80d5173ab3abf6_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\tuvWqQjh.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:456

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\tuvWqQjh.dll

Filesize
24KB

MD5
17bbce138cf483552d80d5173ab3abf6

SHA1
dbba94d291839a7aeaca14be7de594a457eb2041

SHA256
e16afe0d4e655437255e9113647a14bd71a32a8269e106232cfd740f7faaa2ed

SHA512
7d28b28c3ebd15d732f83d2ed15f66b30b5121ced24bbb563417e8b2d5eade046228e2aa441886f4a132e215c5035680cd823d65d190d1ac198ae350050902c1

Download Submit
memory/456-20-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/456-21-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2604-3-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2604-1-0x0000000010010000-0x0000000010011000-memory.dmp

Filesize
4KB

Download
memory/2604-0-0x0000000000820000-0x0000000000825000-memory.dmp

Filesize
20KB

Download
memory/2604-10-0x0000000000860000-0x0000000000878000-memory.dmp

Filesize
96KB

Download
memory/2604-11-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2604-13-0x0000000000860000-0x0000000000878000-memory.dmp

Filesize
96KB

Download
memory/2604-14-0x0000000000820000-0x0000000000825000-memory.dmp

Filesize
20KB

Download