a4d49f0687639aab8115e190e2284857e4a0f7541f79dc215fc1c9c2b1ecde2c

Resubmissions

28/03/2025, 16:42

250328-t7vr2ayvhv 7

28/03/2025, 16:40

250328-t61lwszrs5 7

Analysis

max time kernel
92s
max time network
95s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20250314-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
submitted
28/03/2025, 16:42

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General

Target

$PLUGINSDIR/uac.dll
Size

24KB
MD5

861f7e800bb28f68927e65719869409c
SHA1

a12bfcd2b9950e758ead281a9afbf1895bf10539
SHA256

10a0e8cf46038ab3b2c3cf5dce407b9a043a631cbde9a5c8bcf0a54b2566c010
SHA512

f2bf24a0da69bbe4b4a0f0b1bfc5af175a66b8bcc4f5cc379ed0b89166fa9ffe1e16206b41fca7260ac7f8b86f8695b76f016bb371d7642aa71e61e29a3976eb
SSDEEP

384:5GVY6ClGoWxXH75T1WVl83lLsFIYiPWc+6AM+o/8E9VF0NyOk:tBWxXH9TYqlAyYiPjAMxkEH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
792	2912	WerFault.exe	81

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 2116 wrote to memory of 2912	2116	rundll32.exe	81
PID 2116 wrote to memory of 2912	2116	rundll32.exe	81
PID 2116 wrote to memory of 2912	2116	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\uac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\uac.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 624
    3⤵
    - Program crash
    PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2912 -ip 2912
1⤵
PID:5028

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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