2cdec83b8c5884194d13bf930a8c9ed0caa2eb6ce5cbec0da943735a20140ca9

Analysis

max time kernel
140s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 04:20

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General

Target

$PLUGINSDIR/InstOpt.dll
Size

8KB
MD5

a9b4e84b5c71be9aad7cbe44506a6b4e
SHA1

d3a7b3bed2f4f3cc3edc85e202d202a1a535d62f
SHA256

313648b948243e992f08eec6e567aca26c2131ca6b9d307dd11071470521baf7
SHA512

0c78a4d8c0c129c26fd3d99e8b04e4598e5d844d0d9f213dd318ae873ffd23db1cb06c0fec636ad7ac8a6f9306dbcae58cf4d8e7d33dca2b7a3a31e6ad36bab8
SSDEEP

96:S1+HVx8GJYcudkED74Kx2otnc12lDIvyYUJjlMYXJIuT+f9yFGTp:SsPulD74uh2XUtlMwIuqEFGT

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4820	4180	WerFault.exe	84

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 4888 wrote to memory of 4180	4888	rundll32.exe	84
PID 4888 wrote to memory of 4180	4888	rundll32.exe	84
PID 4888 wrote to memory of 4180	4888	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstOpt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstOpt.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 612
    3⤵
    - Program crash
    PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4180 -ip 4180
1⤵
PID:4928

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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