31ed141de2cc49e9d98bc0b489b686e5e2c1d4e318acce6e9d7cc978bf20735d

Analysis

max time kernel
69s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 15:16

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General

Target

$PLUGINSDIR/nsExec.dll
Size

8KB
MD5

249ae678f0dac4c625c6de6aca53823a
SHA1

6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201
SHA256

7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce
SHA512

66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7
SSDEEP

192:r/QeHNWSvUTfWdXw08LYKFaynLb3MRlbOVlR:7jBvwudT8LJxnnMRlyVlR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2112	2900	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 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 1688 wrote to memory of 2900	1688	rundll32.exe	30
PID 2900 wrote to memory of 2112	2900	rundll32.exe	31
PID 2900 wrote to memory of 2112	2900	rundll32.exe	31
PID 2900 wrote to memory of 2112	2900	rundll32.exe	31
PID 2900 wrote to memory of 2112	2900	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 228
    3⤵
    - Program crash
    PID:2112

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

Replay Monitor

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Downloads

memory/2900-0-0x000000006E940000-0x000000006E948000-memory.dmp

Filesize
32KB

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