bc89ef35f15c4ae4268961e8a8bc53a883afe23b3bf8e841a17499e0e9957b96

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
21/01/2025, 17:04

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General

Target
$PLUGINSDIR/System.dll
Size 10KB
Sample250121-vlsafstrgl
SHA256 eda545d4dcb37098a90fce9692d5094bb56897f04eff6d40e3dedd122a4d1292
MD5 32465a07028b927b22c38e642c2cb836
SHA1 309cac412b2ecf6a36f6e989c828afcdd8c7a6e4
SHA512 9d886a722bbbb5d8d77e97d256057fe685f1932042257a8382e13548fe835d01c64de65e2b5ad2c2ff99692b14c924e6ddb84797f6224f1772e8699b421e6aff
SSDEEP 192:gO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1axgMO:ZKAFERdlxhGRYUzqZax
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	2680	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 3028 wrote to memory of 2680	3028	rundll32.exe	30
PID 2680 wrote to memory of 2644	2680	rundll32.exe	31
PID 2680 wrote to memory of 2644	2680	rundll32.exe	31
PID 2680 wrote to memory of 2644	2680	rundll32.exe	31
PID 2680 wrote to memory of 2644	2680	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 224
    3⤵
    - Program crash
    PID:2644

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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