2c59f3552a77d2c9527970ae99e204ec279756ac24815a899ab43356420057e7

Analysis

max time kernel
125s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/09/2024, 07:38

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General

Target

VFS/ProgramFilesX64/13/7za.dll
Size

283KB
MD5

ef65428f79e120e5fc10e3eecb843d17
SHA1

4428930e17bccef34298826756c9af43106c3178
SHA256

3fc4ade77fa6207c646ca3906bb8c0f21b3472ca8dfcde6635ad6da5ab5491ea
SHA512

9d312179ff1b7c692252bdfd241d245e8d57b0cae6ce5c8c7755f9f074f8e31c63d93e4fae341f0af8824fc0b6c278bfe3efdb8c27e36f87a4375bd3d27caedb
SSDEEP

6144:o2ymhthvdTJ65E44h/84s+Eol8p/wReA+H6Y7hby4xPuAM6QJ3yV:olmhthvdTJ65EVg1uETH6uzxmAMLo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3732	2216	WerFault.exe	91

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 2916 wrote to memory of 2216	2916	rundll32.exe	91
PID 2916 wrote to memory of 2216	2916	rundll32.exe	91
PID 2916 wrote to memory of 2216	2916	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7za.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7za.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 600
    3⤵
    - Program crash
    PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2216 -ip 2216
1⤵
PID:4860

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=4188,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
1⤵
PID:1140

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

Windows 7 deprecation

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