50f6f71e163bc920a23de81c5ca14399a1712bec31cd6b0ed110fc1a16393295

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 15:40

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General

Target

$PLUGINSDIR/nsisos.dll
Size

5KB
MD5

69806691d649ef1c8703fd9e29231d44
SHA1

e2193fcf5b4863605eec2a5eb17bf84c7ac00166
SHA256

ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
SHA512

5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb
SSDEEP

48:6EyuygeHCfxwU5x+6kx/k1gONv27oBc2OkIrHHl:VeHCf2762kKsu7oGjkIrn

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2148	2012	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 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 1544 wrote to memory of 2012	1544	rundll32.exe	31
PID 2012 wrote to memory of 2148	2012	rundll32.exe	32
PID 2012 wrote to memory of 2148	2012	rundll32.exe	32
PID 2012 wrote to memory of 2148	2012	rundll32.exe	32
PID 2012 wrote to memory of 2148	2012	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisos.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 224
    3⤵
    - Program crash
    PID:2148

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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