754a1194c21c5f50675f0025927d6fcd8eba11047b9fc6a1c028f4855052c1b0

Analysis

max time kernel
145s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04/10/2024, 08:17

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample241004-j67ebstcjn
SHA256 fe19353288a08a5d2640a9c022424a1d20e4909a351f2114423e087313a40d7c
MD5 3e277798b9d8f48806fbb5ebfd4990db
SHA1 d1ab343c5792bc99599ec7acba506e8ba7e05969
SHA512 84c9d4e2e6872277bffb0e10b292c8c384d475ad163fd0a47ca924a3c79077dfde880f535a171660f73265792554129161d079a10057d44e28e2d57ebc477e92
SSDEEP 192:d4n3T5aK+dHCMR1aQR9RuZl3WWmU7WYZsw1JpVGnrjsK72dwF7dBOne:Wn3T5KdHCMRD/R1cOnrjs+BO
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4188	2064	WerFault.exe	78

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 3128 wrote to memory of 2064	3128	rundll32.exe	78
PID 3128 wrote to memory of 2064	3128	rundll32.exe	78
PID 3128 wrote to memory of 2064	3128	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3128
- 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:2064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 552
    3⤵
    - Program crash
    PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2064 -ip 2064
1⤵
PID:3764

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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