cf6800448bd20938d5e58be636dac9fd95ada3b8a2360a0e27672726d9c16f87

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 04:18

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample241105-exekqsvfml
SHA256 b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2
MD5 6ad39193ed20078aa1b23c33a1e48859
SHA1 95e70e4f47aa1689cc08afbdaef3ec323b5342fa
SHA512 78c89bb8c86f3b68e5314467eca4e8e922d143335081fa66b01d756303e1aec68ed01f4be7098dbe06a789ca32a0f31102f5ba408bc5ab28e61251611bb4f62b
SSDEEP 96:qIsUxO9udx4qYp7AJb76BykUbQMtHUOA5Iv+RnsrqeXV+d1g2IW9t2c+cEwF9Fug:ZVL7ikJb76BQUoUm+RnyXVYO2RvHFug
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2936	2916	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 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2876 wrote to memory of 2916	2876	rundll32.exe	30
PID 2916 wrote to memory of 2936	2916	rundll32.exe	31
PID 2916 wrote to memory of 2936	2916	rundll32.exe	31
PID 2916 wrote to memory of 2936	2916	rundll32.exe	31
PID 2916 wrote to memory of 2936	2916	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:2876
- 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:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 224
    3⤵
    - Program crash
    PID:2936

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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