3f9d7044a494030384eac541c96f590d7fb46615b653bef1eff3b56102772d6e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 10:08

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

98ff85b635d9114a9f6a0cd7b9b649d0
SHA1

7a51b13aa86a445a2161fa1a567cdaecaa5c97c4
SHA256

933f93a30ce44df96cbc4ac0b56a8b02ee01da27e4ea665d1d846357a8fca8de
SHA512

562342532c437236d56054278d27195e5f8c7e59911fc006964149fc0420b1f9963d72a71ebf1cd3dfee42d991a4049a382f7e669863504c16f0fe7097a07a0a

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2556	2476	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 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 468 wrote to memory of 2476	468	rundll32.exe	30
PID 2476 wrote to memory of 2556	2476	rundll32.exe	31
PID 2476 wrote to memory of 2556	2476	rundll32.exe	31
PID 2476 wrote to memory of 2556	2476	rundll32.exe	31
PID 2476 wrote to memory of 2556	2476	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 220
    3⤵
    - Program crash
    PID:2556

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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