090e0888ae8682a9296bc1c8790ea8cd7ee3c19c1d1977c1b2d57eab9915d340

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 19:03

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General

Target

$PLUGINSDIR/SelfDel.dll
Size

4KB
MD5

5e14f6774c43bdff6ffe0afb0d51c47f
SHA1

fb1e7b6e63afa6db6aa2033b5e7e90f1f4ba5e27
SHA256

7cb51ccf21655e9590a6c3232920b16a3dfef15ffe9df7b8e71f487ca8c24da9
SHA512

6ac533c0485156a68bd1460d8219acf7539b766590910cd646f4d7d4572c072f45369712d88d4e698f4e94aead8082abcbfacc3d6fe890046898f6c6d85274e3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
808	2848	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 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 1640 wrote to memory of 2848	1640	rundll32.exe	28
PID 2848 wrote to memory of 808	2848	rundll32.exe	29
PID 2848 wrote to memory of 808	2848	rundll32.exe	29
PID 2848 wrote to memory of 808	2848	rundll32.exe	29
PID 2848 wrote to memory of 808	2848	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 224
    3⤵
    - Program crash
    PID:808

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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