c79f2f6cd70358a2df2382bcb191aa6f22ba0d17d547e1e2c4350d0546c9be24

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/12/2024, 16:17

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

960a5c48e25cf2bca332e74e11d825c9
SHA1

da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SHA256

484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
SHA512

cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da
SSDEEP

192:jVL7iZJX76BiqsO7+UZEw+RlthVEoC0O3XB:g7ssOpZs/hS3X

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	2760	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 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2372 wrote to memory of 2760	2372	rundll32.exe	30
PID 2760 wrote to memory of 2816	2760	rundll32.exe	31
PID 2760 wrote to memory of 2816	2760	rundll32.exe	31
PID 2760 wrote to memory of 2816	2760	rundll32.exe	31
PID 2760 wrote to memory of 2816	2760	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 224
    3⤵
    - Program crash
    PID:2816

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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