aa3874dd640b90e924c5d8f7c92fa932714e436e688611a4d2e634f58122f918

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 05:52

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General

Target
$PLUGINSDIR/nsExec.dll
Size 6KB
Sample240901-gk5mhatamn
SHA256 d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2
MD5 132e6153717a7f9710dcea4536f364cd
SHA1 e39bc82c7602e6dd0797115c2bd12e872a5fb2ab
SHA512 9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1
SSDEEP 96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2120	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 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 1740 wrote to memory of 2120	1740	rundll32.exe	31
PID 2120 wrote to memory of 2328	2120	rundll32.exe	32
PID 2120 wrote to memory of 2328	2120	rundll32.exe	32
PID 2120 wrote to memory of 2328	2120	rundll32.exe	32
PID 2120 wrote to memory of 2328	2120	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:1740
- 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:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 220
    3⤵
    - Program crash
    PID:2328

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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