61a433daaaa4698cf96d4a78237d99556a3a7d22091f833f850f184b7bcea78a

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 23:03

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General

Target

$PLUGINSDIR/UAC.dll
Size

14KB
MD5

4814167aa1c7ec892e84907094646faa
SHA1

a57a5ecbdfa9a8777a3c587f1acb02b783afc5ee
SHA256

32dd7269abf5a0e5db888e307d9df313e87cef4f1b597965a9d8e00934658822
SHA512

fb1f35e393997ecd2301f371892b59574ee6b666095c3a435336160481f6ef7ed5635c90ce5d2cf88e5ef4a5affb46cb841b7d17e7981bd6e998531193f5d067
SSDEEP

384:3A7q72y8XYDSDJe7H+KXKKK2KRKuKZrjVo787foI7:3sygyraXjQ7Zl99

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	1720	WerFault.exe	31

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 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1364 wrote to memory of 1720	1364	rundll32.exe	31
PID 1720 wrote to memory of 2408	1720	rundll32.exe	32
PID 1720 wrote to memory of 2408	1720	rundll32.exe	32
PID 1720 wrote to memory of 2408	1720	rundll32.exe	32
PID 1720 wrote to memory of 2408	1720	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 224
    3⤵
    - Program crash
    PID:2408

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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