3396894b42d81353487ab990f1f66792583a290fa6ac28fbfa3b4d879cec3c8d

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 13:35

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General

Target

$PLUGINSDIR/nsis7z.dll
Size

170KB
MD5

46e29660c591067e77276fa960625f57
SHA1

3c3206ec4415de4f09a2066a658fa12621e2ed74
SHA256

51f3274fcaf2ef42860f97bed95f407abc60ab31f81a42b38fb2ea1d9b0a434f
SHA512

ed7f9babcaa6244eb8f42350a522f75b5078b2854919e281215a4a4ef62ec4bb731a457f5da3a615419a575986eb96517a6c5238f65b2173138c7fd4ff122d83
SSDEEP

3072:/U9a+LOBZgLCJqPb83T6RhYI3Y3de57FjqFJL4A1QH9ykgt1c32pk:kaVUmcQGLYoY3KMlq9H8jk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2184 2328 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2184	2328	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 972 wrote to memory of 2328	972	rundll32.exe	rundll32.exe
PID 972 wrote to memory of 2328	972	rundll32.exe	rundll32.exe
PID 972 wrote to memory of 2328	972	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 600
    3⤵
    - Program crash
    PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
1⤵
PID:936

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4356,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8
1⤵
PID:1692

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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