547ef48f46ecfe31ee7edc7bbff0c2406f43d11915bcef84372172873012eacd

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 15:42

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General

Target

VFS/ProgramFilesX64/13/7zxa.dll
Size

159KB
MD5

5c4408747f4bb3e3e65669004db8f8ec
SHA1

7ac6b8a217dca16deb60c7132a0aa3e5a1b8dd9a
SHA256

b20a579d21ec7d3bc3c80c5f0a4d6921b78f6af3b6e285e013f84220e143405c
SHA512

a8c6ed02ba46d8f57c756d5dc279ce84b56a44bb5e3130ae475b400d551f055f30209a7cc9fb6d54569750724921077dfa21c5e1e35943deb7de731dfcef8245
SSDEEP

3072:o/W7sa+jaIQG8eBqcDbOWR3EHmG1xW2AdNw6bvw/9jQm6ibMdGptziybUT:onX8eIcDSq3EHmG1dAdNw6zw/9p6ibeR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2320 1028 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2320	1028	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 2092 wrote to memory of 1028	2092	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 2320	1028	rundll32.exe	WerFault.exe
PID 1028 wrote to memory of 2320	1028	rundll32.exe	WerFault.exe
PID 1028 wrote to memory of 2320	1028	rundll32.exe	WerFault.exe
PID 1028 wrote to memory of 2320	1028	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7zxa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\VFS\ProgramFilesX64\13\7zxa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 220
    3⤵
    - Program crash
    PID:2320

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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