afb48e01d2b3315ca103644db00e6c9c1ab57b831e151fd777052bdfb3ce5e29

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 10:20

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

7fbda5b7be6256996d4e59e5f6949918
SHA1

2d36c0e0bfbe450675c6ed044e715abaa85a252a
SHA256

9bb31f7f02231e3166bf52385d804c06da9740e9c6f0bda807b01052ae9fdcd4
SHA512

bc0d36aa6f50041bad05cf48d909ed5a387bff5b111f657591161a288c1be5c20b8c5d69e557b5ea395726d91601b9e6303da81555e053090cfcbf5d44be7f82
SSDEEP

192:cR9jFtTLkreShqlyXMUspRRFtvD4feuy9mt2h8pGfhn9:crjy+2MFmfeuyaG5n9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
632	4616	WerFault.exe	85

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4616	2044	rundll32.exe	85
PID 2044 wrote to memory of 4616	2044	rundll32.exe	85
PID 2044 wrote to memory of 4616	2044	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 612
    3⤵
    - Program crash
    PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4616 -ip 4616
1⤵
PID:2332

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

Windows 7 deprecation

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