a58eb6df9eab33d850e6c28363bd1fe57fb8160ef1da3f5702b1c150d4bf701b

Analysis

max time kernel
110s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 19:29

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General

Target

$PLUGINSDIR/StartMenu.dll
Size

6KB
MD5

740bd475a180892e4cb98acc14cd360b
SHA1

f71ea3c855d3a0f96c3dd1a2776d21fa273833c6
SHA256

adf51f6f088f3bed7d88350cc77812d9c19a575ec0d477bbe6d744dd9cea06cc
SHA512

b8a51cd72acfdc3e589f5baa941537d4e51cfb6f73572f228651208aa89bcfd737beb7a8675e235fd0327a19516dbcd393fb8e6c5faee5a879cca28f46da840b
SSDEEP

96:mLJdRZk8OkmE+WHw0FMXF6CWhFxKpKsWQhEfP0:mLjPk8OT30FFAzCP0

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3060	1616	WerFault.exe	29

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 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1976 wrote to memory of 1616	1976	rundll32.exe	29
PID 1616 wrote to memory of 3060	1616	rundll32.exe	30
PID 1616 wrote to memory of 3060	1616	rundll32.exe	30
PID 1616 wrote to memory of 3060	1616	rundll32.exe	30
PID 1616 wrote to memory of 3060	1616	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 228
    3⤵
    - Program crash
    PID:3060

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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