36ad06fe7846617d7b0f0305c317d75b75c9e9e7f79b88388005d3ffdb3859cd

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 20:37

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General

Target

ff4afa7d525415c1f772d1cb2716fdfa_JaffaCakes118.dll
Size

25KB
MD5

ff4afa7d525415c1f772d1cb2716fdfa
SHA1

64bdf2307aa087b17be2ebe609bf0722b15e6d99
SHA256

36ad06fe7846617d7b0f0305c317d75b75c9e9e7f79b88388005d3ffdb3859cd
SHA512

8138e7ff027b87802cb2cb0aa1df68c512834f6593cefa0979b77ac753fe17487fbf0f61d7d2de2a6f385835a3e7726a695bc19bddd61e04ccbe3d02b1914226
SSDEEP

384:D1A1+N+AButJmnIOCfQzDqUflqsrn26QXqc6tknyvsyiC74pHrxYMC1:G1+N+4utJmnIGBNXr2fx6tUyiyP1

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1124	rundll32.exe
1124	rundll32.exe
2168	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\\nnnoMEwV.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B237C305-472A-45EA-90CB-0C02689EBFA4}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B237C305-472A-45EA-90CB-0C02689EBFA4}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B237C305-472A-45EA-90CB-0C02689EBFA4}\InprocServer32\ = "C:\\Windows\\SysWow64\\nnnoMEwV.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B237C305-472A-45EA-90CB-0C02689EBFA4}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1124	rundll32.exe
1124	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1124	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1124	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 1124	3444	rundll32.exe	82
PID 3444 wrote to memory of 1124	3444	rundll32.exe	82
PID 3444 wrote to memory of 1124	3444	rundll32.exe	82
PID 1124 wrote to memory of 616	1124	rundll32.exe	5
PID 1124 wrote to memory of 2168	1124	rundll32.exe	91
PID 1124 wrote to memory of 2168	1124	rundll32.exe	91
PID 1124 wrote to memory of 2168	1124	rundll32.exe	91

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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff4afa7d525415c1f772d1cb2716fdfa_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff4afa7d525415c1f772d1cb2716fdfa_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\nnnoMEwV.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:2168

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\nnnoMEwV.dll

Filesize
25KB

MD5
ff4afa7d525415c1f772d1cb2716fdfa

SHA1
64bdf2307aa087b17be2ebe609bf0722b15e6d99

SHA256
36ad06fe7846617d7b0f0305c317d75b75c9e9e7f79b88388005d3ffdb3859cd

SHA512
8138e7ff027b87802cb2cb0aa1df68c512834f6593cefa0979b77ac753fe17487fbf0f61d7d2de2a6f385835a3e7726a695bc19bddd61e04ccbe3d02b1914226

Download Submit
memory/1124-1-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1124-0-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1124-2-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1124-11-0x00000000029C0000-0x00000000029D2000-memory.dmp

Filesize
72KB

Download
memory/1124-10-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1124-9-0x00000000029C0000-0x00000000029D2000-memory.dmp

Filesize
72KB

Download
memory/1124-12-0x00000000029C0000-0x00000000029D2000-memory.dmp

Filesize
72KB

Download
memory/2168-20-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2168-19-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2168-21-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/2168-22-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download