fc708666be9cd952b23acaaa51c2ef9d920002d5b901d5213a430bc18db625bf

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 21:22

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

a78507ea1078cadaa8b2ec1a2e1d874f
SHA1

77fe20488444ebbaafc5b2c0743251a94edc3b8e
SHA256

93d1e681daebfd24ff9fab3952e8ae94eddbdfb3650937988c1fd8085991610e
SHA512

0399452c7305f23576d4175ec198ad8da8a530215e9304632b20bcb41a38fa0ba2c1c0b0b734b9f887851c92c7f2cf4cdfad403ace84e63318c0694402e1f270
SSDEEP

192:8trS5c+oKreH53n2fUC1lfeTf9OJCzD4/IVqh88GrgU6H:/jrd09O3/IcG8U6H

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2700	2692	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 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2124 wrote to memory of 2692	2124	rundll32.exe	30
PID 2692 wrote to memory of 2700	2692	rundll32.exe	31
PID 2692 wrote to memory of 2700	2692	rundll32.exe	31
PID 2692 wrote to memory of 2700	2692	rundll32.exe	31
PID 2692 wrote to memory of 2700	2692	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:2124
- 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:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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