033307fec0c703420af6995ba321da2c23d2d91ffe2acb6e4697e0b5846030a7

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 19:16

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

a436db0c473a087eb61ff5c53c34ba27
SHA1

65ea67e424e75f5065132b539c8b2eda88aa0506
SHA256

75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512

908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
SSDEEP

192:aVL7iZJX76BisO7+UZEw+Rl59pV8ghsVJ39dx8T:d7NsOpZsfLMJ39e

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2272	1680	WerFault.exe	28

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 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 2092 wrote to memory of 1680	2092	rundll32.exe	28
PID 1680 wrote to memory of 2272	1680	rundll32.exe	29
PID 1680 wrote to memory of 2272	1680	rundll32.exe	29
PID 1680 wrote to memory of 2272	1680	rundll32.exe	29
PID 1680 wrote to memory of 2272	1680	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- 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:1680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 224
    3⤵
    - Program crash
    PID:2272

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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