a754c8899bf9ffc378d8fe239a58b0154bd9fc7cf8b2f2fdc1b1103885a70c99

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/11/2024, 08:20

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

12b140583e3273ee1f65016becea58c4
SHA1

92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256

014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA512

49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
SSDEEP

192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	2120	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 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2488 wrote to memory of 2120	2488	rundll32.exe	31
PID 2120 wrote to memory of 2100	2120	rundll32.exe	32
PID 2120 wrote to memory of 2100	2120	rundll32.exe	32
PID 2120 wrote to memory of 2100	2120	rundll32.exe	32
PID 2120 wrote to memory of 2100	2120	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:2488
- 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:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 220
    3⤵
    - Program crash
    PID:2100

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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