b48e8bc02a35be9fb9594086018640e8e2f6bdf7027408806c8c6d4d2cdb2032

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 15:47

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General

Target

$PLUGINSDIR/nsisunz.dll
Size

40KB
MD5

5f13dbc378792f23e598079fc1e4422b
SHA1

5813c05802f15930aa860b8363af2b58426c8adf
SHA256

6e87ecb7f62039fbb6e7676422d1a5e75a32b90dde6865dcb68ee658ba8df61d
SHA512

9270635a5294482f49e0292e26d45dd103b85fe27dc163d44531b095c5f9dbde6b904adaf1a888ba3c112a094380394713c796f5195b2566a20f00b42b6578e5
SSDEEP

384:KExN66Yf2xL5Q4IsjuUjUZfqRDpImexpf88FwHxXvjX3hwlHt6oIfESxSHoOO8n9:O2x64GcVpI3xC8ynToIf1SIOhW4

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3376	4640	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4640	4436	rundll32.exe	84
PID 4436 wrote to memory of 4640	4436	rundll32.exe	84
PID 4436 wrote to memory of 4640	4436	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 600
    3⤵
    - Program crash
    PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4640 -ip 4640
1⤵
PID:1028

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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