bf27fcff16226e3f8c65c9290dcba981c1eba5fd8d1a50372767525019452811

Analysis

max time kernel
90s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 06:49

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General

Target

f9ee510204b05ac59f289837cc9c3097_JaffaCakes118.dll
Size

176KB
MD5

f9ee510204b05ac59f289837cc9c3097
SHA1

b8dc02974ebbab6c2cb3b074ed2fab25fdfe0341
SHA256

bf27fcff16226e3f8c65c9290dcba981c1eba5fd8d1a50372767525019452811
SHA512

c7d356ec3dc1006af7fe5aec065d1c22d4030e42e111100519d144bc66e5ceee136b73d5544ba7ad5739f263c899cf5eefb3dd97b115910e1287b74443fb5cfa
SSDEEP

3072:r0BGtrAEhtI4Kel4TXTZltRQb4UfNQh4MrR1O3ASREsW26t/rf:I6IhelDb4U+h5DMIrf

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\vregfwlx = "{4BF50654-8A32-44A8-8658-4C8661207A3D}"	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\{4BF50654-8A32-44A8-8658-4C8661207A3D}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4BF50654-8A32-44A8-8658-4C8661207A3D}\InProcServer32\ = "C:\\Windows\\vregfwlx.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4BF50654-8A32-44A8-8658-4C8661207A3D}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 3364	3988	rundll32.exe	85
PID 3988 wrote to memory of 3364	3988	rundll32.exe	85
PID 3988 wrote to memory of 3364	3988	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9ee510204b05ac59f289837cc9c3097_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9ee510204b05ac59f289837cc9c3097_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:3364

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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