e9d67a2e057ca30600aa7c21e7026844238265755fc03f78a4fb78f7d0e48883

Analysis

max time kernel
138s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 21:08

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

b3ebe1cb6bdd529302c121dd4e2e0d00
SHA1

305f022e7e3ef0ae6cdc5f18bd6adc3032f64304
SHA256

5a1696f9892567b3339faf2bf4df5eb1d2d886c49807529028b65f0f493e79b2
SHA512

6f6ea4aec1588bb6f7ab4f8422942ac0acbddb8b916af2ead039b434bec6db4d0bf64deb3b8d6cc33666cabd70024a1208411ab6e0ee10bcf98c47951f8d359a
SSDEEP

384:7Klm7i+c3QW6ckPhyDEaLnu2bbBBIXwZ:mqi8BcyhEhLjbbTI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3576 2584 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
3576	2584	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 2176 wrote to memory of 2584	2176	rundll32.exe	rundll32.exe
PID 2176 wrote to memory of 2584	2176	rundll32.exe	rundll32.exe
PID 2176 wrote to memory of 2584	2176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- 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:2584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 624
    3⤵
    - Program crash
    PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2584 -ip 2584
1⤵
PID:4572

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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