74dd331228ae7266640da7645cf7dd68793c1f0f0f7f5231e6c82cf94038571a

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 16:07

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General

Target

$PLUGINSDIR/ShellExecAsUser.dll
Size

43KB
MD5

552cba3c6c9987e01be178e1ee22d36b
SHA1

4c0ab0127453b0b53aeb27e407859bccb229ea1b
SHA256

1f17e4d5ffe7b2c9a396ee9932ac5198f0c050241e5f9ccd3a56e576613d8a29
SHA512

9bcf47b62ca8ffa578751008cae523d279cdb1699fd916754491899c31ace99f18007ed0e2cbe9902abf132d516259b5fb283379d2fead37c76b19e2e835e95a
SSDEEP

768:SA49ATJ9ONLkh9J5lDYDzG8yVAf7hiJFkkAqnTEDlV4vihdk:SA4CJ9OFpXf0AfNiTkIMrhdk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	1756	WerFault.exe	29

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 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 2456 wrote to memory of 1756	2456	rundll32.exe	29
PID 1756 wrote to memory of 2396	1756	rundll32.exe	30
PID 1756 wrote to memory of 2396	1756	rundll32.exe	30
PID 1756 wrote to memory of 2396	1756	rundll32.exe	30
PID 1756 wrote to memory of 2396	1756	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellExecAsUser.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ShellExecAsUser.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 220
    3⤵
    - Program crash
    PID:2396

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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