79fcc59c52034048739b0cbf0925f9486ef4844be9a499ef1bd4178868bdce42

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 22:56

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General

Target

$PLUGINSDIR/UAC.dll
Size

18KB
MD5

0bea21545b130f74ad40160ae8ac05ea
SHA1

3f969905c51d27a884c060a31d0d32b1024dab86
SHA256

3239a185c653b1f2385fbb9716172e116551fc68867e36ffdb96d5d7c8eaea5b
SHA512

9af245e112813226bf5db78554348d3596defe41d6cb3a98da52353127fb0f16a5c93af742afe20c0d646e76a55cf70055c349deb5650c2e48a2c821ea453510
SSDEEP

384:XoUK4FRQZIltb0m0GZPHe/qzddyCkA39:pLFRQ+Rd0GZPHewxkA3

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2448	3044	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 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3024 wrote to memory of 3044	3024	rundll32.exe	30
PID 3044 wrote to memory of 2448	3044	rundll32.exe	31
PID 3044 wrote to memory of 2448	3044	rundll32.exe	31
PID 3044 wrote to memory of 2448	3044	rundll32.exe	31
PID 3044 wrote to memory of 2448	3044	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- 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:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 224
    3⤵
    - Program crash
    PID:2448

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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