20813392d3cfe443890742b9fce03ef12ea14fc52d590af3c5355abe24a162ab

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 10:26

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General

Target

$PLUGINSDIR/linker.dll
Size

6KB
MD5

8450b29ee8d592c208ba1aaf6ee50267
SHA1

75096da057bc85cef63bb0eec168652ea75cf618
SHA256

53aa57e582dc56421c1191a0a9efac9c36960b903b7d825f3b9682605ec2b612
SHA512

d23a3057053a1f36f5eb212ae0b09b9b0b41e50b8a6a20bbc46c12c51199ad0bca741bcce17534488158e8f2b9470dbdac2aa059688b7588a05778c40d461039
SSDEEP

48:q/XgJspkvsIWyuS3fyVLkmqbIWXGuDNcGo+FLtLFSfrPIk2vIhll:4gJsFIWjS3qVomqIixo+9tLFUr4vMl

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	1760	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 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 2648 wrote to memory of 1760	2648	rundll32.exe	30
PID 1760 wrote to memory of 2104	1760	rundll32.exe	31
PID 1760 wrote to memory of 2104	1760	rundll32.exe	31
PID 1760 wrote to memory of 2104	1760	rundll32.exe	31
PID 1760 wrote to memory of 2104	1760	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\linker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\linker.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 224
    3⤵
    - Program crash
    PID:2104

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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