b7cea878ee64815a8c929cc47d75631503b78359c129975e43dcef5969607408

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 03:54

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

00a0194c20ee912257df53bfe258ee4a
SHA1

d7b4e319bc5119024690dc8230b9cc919b1b86b2
SHA256

dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
SHA512

3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667
SSDEEP

192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	1352	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 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 2324 wrote to memory of 1352	2324	rundll32.exe	31
PID 1352 wrote to memory of 2080	1352	rundll32.exe	32
PID 1352 wrote to memory of 2080	1352	rundll32.exe	32
PID 1352 wrote to memory of 2080	1352	rundll32.exe	32
PID 1352 wrote to memory of 2080	1352	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:2324
- 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:1352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 224
    3⤵
    - Program crash
    PID:2080

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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