17a6a3f2913b2a25107e89cd8962521402c6743c1ca56777a4566efc30082aaf

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 00:31

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General

Target

3b533ea5b6a804a2a049c9f6c314c3c9_JaffaCakes118.dll
Size

25KB
MD5

3b533ea5b6a804a2a049c9f6c314c3c9
SHA1

f66b87fdb6a454affda0e836df3f2a9cb4f77e24
SHA256

17a6a3f2913b2a25107e89cd8962521402c6743c1ca56777a4566efc30082aaf
SHA512

db96720f156ea978a20c166cc5eb2a14afb65774ddf851ac85a5294d05cb94a94e511c4ba324a4fdc0cfabb68e3b055d9f3352e7ce93072cedda985695ba1a1c
SSDEEP

384:n5ErhIgja3Ye/IrNXFxMPxXsjhaC7ftTOMv02TQgYCzyX6/pG2DRoO:lr3YEIJ1xMWdaCRlZTJDWXapG2DqO

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1352	rundll32.exe
1352	rundll32.exe
1944	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\\khfGxYPG.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238451CA-2F94-4746-B5D6-21DC90A014F5}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238451CA-2F94-4746-B5D6-21DC90A014F5}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238451CA-2F94-4746-B5D6-21DC90A014F5}\InprocServer32\ = "C:\\Windows\\SysWow64\\khfGxYPG.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{238451CA-2F94-4746-B5D6-21DC90A014F5}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1352	rundll32.exe
1352	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe
1944	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1352	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 1352	4024	rundll32.exe	83
PID 4024 wrote to memory of 1352	4024	rundll32.exe	83
PID 4024 wrote to memory of 1352	4024	rundll32.exe	83
PID 1352 wrote to memory of 616	1352	rundll32.exe	5
PID 1352 wrote to memory of 1944	1352	rundll32.exe	89
PID 1352 wrote to memory of 1944	1352	rundll32.exe	89
PID 1352 wrote to memory of 1944	1352	rundll32.exe	89

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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b533ea5b6a804a2a049c9f6c314c3c9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b533ea5b6a804a2a049c9f6c314c3c9_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:1352
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\khfGxYPG.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:1944

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\khfGxYPG.dll

Filesize
25KB

MD5
3b533ea5b6a804a2a049c9f6c314c3c9

SHA1
f66b87fdb6a454affda0e836df3f2a9cb4f77e24

SHA256
17a6a3f2913b2a25107e89cd8962521402c6743c1ca56777a4566efc30082aaf

SHA512
db96720f156ea978a20c166cc5eb2a14afb65774ddf851ac85a5294d05cb94a94e511c4ba324a4fdc0cfabb68e3b055d9f3352e7ce93072cedda985695ba1a1c

Download Submit
memory/1352-0-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/1352-1-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/1352-8-0x0000000000A30000-0x0000000000A44000-memory.dmp

Filesize
80KB

Download
memory/1352-9-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/1944-16-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/1944-17-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/1944-18-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download