d322df678d8d8b40b30c463a51395a961b0a703a01523d6def82a4679b5729a6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 01:50

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General

Target
$PLUGINSDIR/System.dll
Size 12KB
Sample241005-b9mkbsydmn
SHA256 a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c
MD5 d968cb2b98b83c03a9f02dd9b8df97dc
SHA1 d784c9b7a92dce58a5038beb62a48ff509e166a0
SHA512 2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e
SSDEEP 192:CVA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:CrR7SrtTv53tdtTgwF4SQbGPX36wJMw
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
536	2324	WerFault.exe	31

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 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2312 wrote to memory of 2324	2312	rundll32.exe	31
PID 2324 wrote to memory of 536	2324	rundll32.exe	32
PID 2324 wrote to memory of 536	2324	rundll32.exe	32
PID 2324 wrote to memory of 536	2324	rundll32.exe	32
PID 2324 wrote to memory of 536	2324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- 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:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 220
    3⤵
    - Program crash
    PID:536

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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