3ff2bf40e040da35ae387f8c8528054e38247dc606d7185c0ec58e7c3927aead

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 07:11

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General

Target
89764d6eb50d6316d088b9451f0bc09d_JaffaCakes118.dll
Size 220KB
Sample240811-hz14astfph
SHA256 3ff2bf40e040da35ae387f8c8528054e38247dc606d7185c0ec58e7c3927aead
MD5 89764d6eb50d6316d088b9451f0bc09d
SHA1 dc6ed468d633a3540a946c572f33ee8be0a56152
SHA512 9a87e9a3721fecb91193bc2fc9391ebfc0e91bf75df02c79afe50fc76f0fc904af7852c6f039e1963063181f59cbf028b71d8acf99efad887647be1f59a504fa
SSDEEP 3072:g4HH5jP0eoRauvy5MDN3pfPjwshdls+f44VK325tOBT6t3+JI:jAXyEfrdlQ4o3PYiI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\xkefqtgs = "{51AFE3E9-3B49-4666-9B75-9C967E2498E7}"	rundll32.exe

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 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51AFE3E9-3B49-4666-9B75-9C967E2498E7}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51AFE3E9-3B49-4666-9B75-9C967E2498E7}\InProcServer32\ = "C:\\Windows\\xkefqtgs.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{51AFE3E9-3B49-4666-9B75-9C967E2498E7}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2220	4740	rundll32.exe	84
PID 4740 wrote to memory of 2220	4740	rundll32.exe	84
PID 4740 wrote to memory of 2220	4740	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89764d6eb50d6316d088b9451f0bc09d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89764d6eb50d6316d088b9451f0bc09d_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2220

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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