03fcc5d97d3ff4e8fb734aed8c29e0e4680f3f27ddbd67acf90d2c5bac259960

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 03:20

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

a4dd044bcd94e9b3370ccf095b31f896
SHA1

17c78201323ab2095bc53184aa8267c9187d5173
SHA256

2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA512

87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
SSDEEP

192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2760	WerFault.exe	31

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 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2744 wrote to memory of 2760	2744	rundll32.exe	31
PID 2760 wrote to memory of 2792	2760	rundll32.exe	32
PID 2760 wrote to memory of 2792	2760	rundll32.exe	32
PID 2760 wrote to memory of 2792	2760	rundll32.exe	32
PID 2760 wrote to memory of 2792	2760	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2792

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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