b0efd269d32e581da747e5050ef98d2eb91e6de9080e0918f5af85b485a4bdd1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 18:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/SysRestore.dll
Size

12KB
MD5

d1a3f71186e20741b2bb0cc33ca79609
SHA1

b04761c0b7bc46e864a776514e4476eb372ef73c
SHA256

49b0450567c281494620193d0f3598bad8a474ae9910fedb161855f09a8ec1f0
SHA512

7eb904e4d2a6d87bccbe3e3f6562e53940195303a8024d2b0dad142a7a546b7a7a9287966e6d696246349008966349b6b56a3ce47978dedf49205bcfeb962b16
SSDEEP

192:Qa8pU6GVdndRqSzNJw7YUXmZscF8Bd1LAeVBZHlA6u/:upZGVdndRqSzNqZmZsHLAOhk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2524	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 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2544 wrote to memory of 2524	2544	rundll32.exe	30
PID 2524 wrote to memory of 2700	2524	rundll32.exe	31
PID 2524 wrote to memory of 2700	2524	rundll32.exe	31
PID 2524 wrote to memory of 2700	2524	rundll32.exe	31
PID 2524 wrote to memory of 2700	2524	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SysRestore.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SysRestore.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 220
    3⤵
    - Program crash
    PID:2700

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

Loading Replay Monitor...