2c68a28e1c3f92237b235ff859195361a605270715190cea719743ce967e3d38

Analysis

max time kernel
150s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 19:52

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General

Target

260e9bab435d13be5e7a433369e2cc98_JaffaCakes118.dll
Size

25KB
MD5

260e9bab435d13be5e7a433369e2cc98
SHA1

19f293347d3c21d1af46b73e8f969f4a6103f123
SHA256

2c68a28e1c3f92237b235ff859195361a605270715190cea719743ce967e3d38
SHA512

26520b464f42255ba7c5dc58c986b379893ba4ed0ada1840e72679b7e79c1d6dcfe046be4f7181f1c213a77a2be1073ba9d6813421f41ec196c250265239f667
SSDEEP

768:uYgQlevpDiSK6pX9B6U9E0G6xEpYHFSFC:lleh9KWHVKJFC

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1180	rundll32.exe
1180	rundll32.exe
624	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\\xxyyyATJ.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{833AE189-F38C-46B6-B02A-18DBEBB50349}\InprocServer32\ = "C:\\Windows\\SysWow64\\xxyyyATJ.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{833AE189-F38C-46B6-B02A-18DBEBB50349}\InprocServer32\ThreadingModel = "Both"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{833AE189-F38C-46B6-B02A-18DBEBB50349}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{833AE189-F38C-46B6-B02A-18DBEBB50349}\InprocServer32	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1180	rundll32.exe
1180	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe
624	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1180	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1180	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1180	1088	rundll32.exe	78
PID 1088 wrote to memory of 1180	1088	rundll32.exe	78
PID 1088 wrote to memory of 1180	1088	rundll32.exe	78
PID 1180 wrote to memory of 608	1180	rundll32.exe	5
PID 1180 wrote to memory of 624	1180	rundll32.exe	79
PID 1180 wrote to memory of 624	1180	rundll32.exe	79
PID 1180 wrote to memory of 624	1180	rundll32.exe	79

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:608

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\260e9bab435d13be5e7a433369e2cc98_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\260e9bab435d13be5e7a433369e2cc98_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:1180
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\xxyyyATJ.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:624

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\xxyyyATJ.dll

Filesize
25KB

MD5
260e9bab435d13be5e7a433369e2cc98

SHA1
19f293347d3c21d1af46b73e8f969f4a6103f123

SHA256
2c68a28e1c3f92237b235ff859195361a605270715190cea719743ce967e3d38

SHA512
26520b464f42255ba7c5dc58c986b379893ba4ed0ada1840e72679b7e79c1d6dcfe046be4f7181f1c213a77a2be1073ba9d6813421f41ec196c250265239f667

Download Submit
memory/624-18-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/624-17-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/624-19-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/624-20-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1180-1-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1180-0-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1180-2-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1180-10-0x0000000001320000-0x0000000001332000-memory.dmp

Filesize
72KB

Download
memory/1180-9-0x0000000001320000-0x0000000001332000-memory.dmp

Filesize
72KB

Download
memory/1180-12-0x0000000001320000-0x0000000001332000-memory.dmp

Filesize
72KB

Download