df5a9479c573b050707c2a22d50f962b92906d325ea7b9be934551aeb2cc8c0e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 09:23

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

12KB
MD5

444e1109d960c307df0ca2b33a24731b
SHA1

55e3b57d06128911ed4af44858d199d9b1945edc
SHA256

b3ba181120cd5b57e2cd5435bbd64c3257f7525ade359f89554e93f466692125
SHA512

9efdb45ee0eae73c24d3f01ff799160090f2b1f0f28ee8da3af52992fec220bf905070ce5a6cc1b5657642440ad29c22bc6889cd3ee1f674a908a935dcf4c2a8
SSDEEP

384:fKlm7i+c3QW6ckPhyDEaLny2bbBBIXwZ:Cqi8BcyhEhLfbbTI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	2132	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2644 wrote to memory of 2132	2644	rundll32.exe	30
PID 2132 wrote to memory of 2732	2132	rundll32.exe	31
PID 2132 wrote to memory of 2732	2132	rundll32.exe	31
PID 2132 wrote to memory of 2732	2132	rundll32.exe	31
PID 2132 wrote to memory of 2732	2132	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 244
    3⤵
    - Program crash
    PID:2732

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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