4f414d2ee468c5786ec7d84c2566abc54c01dbe076a8fd32ddd2e6fb93178ccb

Analysis

max time kernel
150s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 19:11

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General

Target

294ff077ffaf4f90d76a6dbff46408f0_JaffaCakes118.dll
Size

32KB
MD5

294ff077ffaf4f90d76a6dbff46408f0
SHA1

e3a625c0fa99f5d13f1fe1120dd495e4d84474b5
SHA256

4f414d2ee468c5786ec7d84c2566abc54c01dbe076a8fd32ddd2e6fb93178ccb
SHA512

06a8bbed3663da4854583875284cf595914d37cdb3524f1f03a695baf16b638eb538aff76ee653156c02ab296adff61ded49d0f707aea78aeb6c53f02a0dcd5a
SSDEEP

384:2WbGo20m8V+RKM797uV0Q8Wmg4jW1HTICiY1Do+pY5z8MKyvzGZ4eF6YyclL6plC:xbcSiK3bb4jWRU+EvPeF6YyUecGm9

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
5020	rundll32.exe
5020	rundll32.exe
4968	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\\efcATKBQ.dll,#1"	rundll32.exe

Drops file in System32 directory 2 IoCs

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

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{267212FE-B77A-4C83-BB75-3F84B52A3BEE}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{267212FE-B77A-4C83-BB75-3F84B52A3BEE}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{267212FE-B77A-4C83-BB75-3F84B52A3BEE}\InprocServer32\ = "C:\\Windows\\SysWow64\\efcATKBQ.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{267212FE-B77A-4C83-BB75-3F84B52A3BEE}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5020	rundll32.exe
5020	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe
4968	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
5020	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5020	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 5020	1736	rundll32.exe	82
PID 1736 wrote to memory of 5020	1736	rundll32.exe	82
PID 1736 wrote to memory of 5020	1736	rundll32.exe	82
PID 5020 wrote to memory of 612	5020	rundll32.exe	5
PID 5020 wrote to memory of 4968	5020	rundll32.exe	90
PID 5020 wrote to memory of 4968	5020	rundll32.exe	90
PID 5020 wrote to memory of 4968	5020	rundll32.exe	90

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\294ff077ffaf4f90d76a6dbff46408f0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\294ff077ffaf4f90d76a6dbff46408f0_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:5020
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\system32\efcATKBQ.dll,a
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:4968

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\efcATKBQ.dll

Filesize
32KB

MD5
294ff077ffaf4f90d76a6dbff46408f0

SHA1
e3a625c0fa99f5d13f1fe1120dd495e4d84474b5

SHA256
4f414d2ee468c5786ec7d84c2566abc54c01dbe076a8fd32ddd2e6fb93178ccb

SHA512
06a8bbed3663da4854583875284cf595914d37cdb3524f1f03a695baf16b638eb538aff76ee653156c02ab296adff61ded49d0f707aea78aeb6c53f02a0dcd5a

Download Submit
memory/4968-15-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/4968-14-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/4968-16-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/5020-0-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/5020-7-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/5020-9-0x0000000001350000-0x0000000001360000-memory.dmp

Filesize
64KB

Download