154456b7a37daf4005cc0173330688f2a7e5f8a2934ae8349d25555da5d9e57f

Analysis

max time kernel
136s
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
22/08/2024, 11:20

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

1d5c649dde35003a618b9679d5d71b92
SHA1

0409bbab3ab34f8c01289cdd847b4d1a32d05b18
SHA256

0f4d3cee24e3f310fa804983c931d3628613988a24f0be7854f63a9309b8e45f
SHA512

b432ebcc52905662d61a3f17e08e209a3f9d836a9071b3b5e80070af7ebcf34cf66c44426dda041c2a258fda4787e5692e2b35acbcd73288fb84fe3c977bbfd9
SSDEEP

384:pKlm7i+c3QW6ckPhyDEaLnA2bbBBIXwZ:8qi8BcyhEhLBbbTI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	4688	WerFault.exe	90

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 1992 wrote to memory of 4688	1992	rundll32.exe	90
PID 1992 wrote to memory of 4688	1992	rundll32.exe	90
PID 1992 wrote to memory of 4688	1992	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- 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:4688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 624
    3⤵
    - Program crash
    PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4688 -ip 4688
1⤵
PID:500

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=3364,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:8
1⤵
PID:3728

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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