0155e34c5ad2f5661c5ebc2c6351ac2afe95246bf659e8cd0b0e1a7bffabc5de

Analysis

max time kernel
130s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 12:33

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample241001-prezeszbql
SHA256 40d66e085409445202dce1b5419449cc302d91be17614b521e3ccce473205db7
MD5 d7b3f05ff44116b9080b5e69b2e86efd
SHA1 2535ecfa122041edb901ac667944e0f6814c4cd0
SHA512 414c6b410b35a8bb5a2c9fdd46dad63704484e1535155219b29a5bb886ded73f4b7ca3bafa726ce751e1c711a764938c9256106a90098263d6ff88bc017ec140
SSDEEP 192:X6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxTyK72dwF7dBdcQOz:X6JaVh4I5rpPbTy+BdhO
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4000	1576	WerFault.exe	88

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 228 wrote to memory of 1576	228	rundll32.exe	88
PID 228 wrote to memory of 1576	228	rundll32.exe	88
PID 228 wrote to memory of 1576	228	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 636
    3⤵
    - Program crash
    PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1576 -ip 1576
1⤵
PID:836

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=4464,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
1⤵
PID:3672

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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