025199f433bbde5de98929b370dc491b84ea0abfa1b897d75127b283e43ea2d5

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 02:47

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General

Target
$PLUGINSDIR/nsExec.dll
Size 8KB
Sample241003-c94dhs1blp
SHA256 7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce
MD5 249ae678f0dac4c625c6de6aca53823a
SHA1 6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201
SHA512 66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7
SSDEEP 192:r/QeHNWSvUTfWdXw08LYKFaynLb3MRlbOVlR:7jBvwudT8LJxnnMRlyVlR
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2692	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 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 3052 wrote to memory of 2692	3052	rundll32.exe	31
PID 2692 wrote to memory of 2776	2692	rundll32.exe	32
PID 2692 wrote to memory of 2776	2692	rundll32.exe	32
PID 2692 wrote to memory of 2776	2692	rundll32.exe	32
PID 2692 wrote to memory of 2776	2692	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- 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:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 224
    3⤵
    - Program crash
    PID:2776

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

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Downloads

memory/2692-0-0x000000006E940000-0x000000006E948000-memory.dmp

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