9cf6ceb1b648bcc404201d1f4d69a16bea52f8083f5bda43fbf0442ff85f778d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 15:44

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General

Target

JaffaCakes118_8acf5fab7c2f0a4cdd9ca6779d301687.dll
Size

532KB
MD5

8acf5fab7c2f0a4cdd9ca6779d301687
SHA1

aa019cad7991065f33ad272a18937c026ff69a07
SHA256

9cf6ceb1b648bcc404201d1f4d69a16bea52f8083f5bda43fbf0442ff85f778d
SHA512

974bde194dd990661b0608198254676442779d98a35fb39d4b17eaa11212725426a9bcff98404c272489b73af9895d8a49f4d270e86fabe8e0f0d8880d6af39a
SSDEEP

12288:7lhji6zuyUD3XCgI6Cm9TrlRppICzpuCjpQ9OVP9KmlW:7lhmCuyk3XZRoC8CYON9fM

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1996-3-0x0000000010000000-0x00000000101AB000-memory.dmp	vmprotect
behavioral1/memory/1996-2-0x0000000010000000-0x00000000101AB000-memory.dmp	vmprotect
behavioral1/memory/1996-1-0x0000000010000000-0x00000000101AB000-memory.dmp	vmprotect
behavioral1/memory/1996-0-0x0000000010000000-0x00000000101AB000-memory.dmp	vmprotect

System Location Discovery: System Language Discovery 1 TTPs 1 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

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\shell\open\command\ = "rundll32.exe c:\\progra~1.\\staticial\\cmss.jyc,scanMiddle"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\shell	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\shell\open	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\shell\open\command\ = "rundll32.exe c:\\windows\\staticial\\cmss.jyc,scanMiddle"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30
PID 1720 wrote to memory of 1996	1720	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8acf5fab7c2f0a4cdd9ca6779d301687.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8acf5fab7c2f0a4cdd9ca6779d301687.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1996-4-0x0000000010136000-0x0000000010137000-memory.dmp

Filesize
4KB

Download
memory/1996-3-0x0000000010000000-0x00000000101AB000-memory.dmp

Filesize
1.7MB

Download
memory/1996-2-0x0000000010000000-0x00000000101AB000-memory.dmp

Filesize
1.7MB

Download
memory/1996-1-0x0000000010000000-0x00000000101AB000-memory.dmp

Filesize
1.7MB

Download
memory/1996-0-0x0000000010000000-0x00000000101AB000-memory.dmp

Filesize
1.7MB

Download