3fac99409a83cdb2a33181bc4a5c6f6d7001b0a013e0474c563c37ea62490130

Analysis

max time kernel
17s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 15:56

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General

Target

$PLUGINSDIR/UADHelper.dll
Size

24KB
MD5

b38a667427a8d49c90e6a79c41d55699
SHA1

c29b25e9855d330ea018b37ef311b03c1a870246
SHA256

5bb9671b3a999a0951a6a2f90917389b2ee12b04208dfc954b69246d75eb4ba5
SHA512

ce0546b5f1f1990d069e5e7734db50aef7b3fe1fff90e61b4161bfde10de953a7b26e84e1f1547318307074b6989cf3fc0b9e134597b5154708a463b6bd85f0a
SSDEEP

384:ytWHKwJqVBowRHtsnUEPRSbuKtt11lcIMaCSL40bVceeDvulpy:yjeJwRNF/11lcIMDQbmWlg

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2616	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 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2916 wrote to memory of 2616	2916	rundll32.exe	30
PID 2616 wrote to memory of 2152	2616	rundll32.exe	31
PID 2616 wrote to memory of 2152	2616	rundll32.exe	31
PID 2616 wrote to memory of 2152	2616	rundll32.exe	31
PID 2616 wrote to memory of 2152	2616	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UADHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UADHelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2616 -s 224
    3⤵
    - Program crash
    PID:2152

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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