3da951c56a2b1a30bc04ab13d354d0790f97bfdb336e481e7f9af3d165ffdeb3

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 00:00

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General

Target

$PLUGINSDIR/nsis7zU.dll
Size

313KB
MD5

06a47571ac922f82c098622b2f5f6f63
SHA1

8a581c33b7f2029c41edaad55d024fc0d2d7c427
SHA256

e4ab3064f2e094910ae80104ef9d371ccb74ebbeeed592582cf099acd83f5fe9
SHA512

04b3d18042f1faa536e1393179f412a5644d2cf691fbc14970f79df5c0594eeedb0826b495807a3243f27aaa0380423c1f975fe857f32e057309bb3f2a529a83
SSDEEP

6144:rA9ssOlBrbYr5UP4m3mC/FvBbhQ1JzI+yQKiJGxdNtsm0:r2S165UP4mL/FvBtC8zQdSDmm0

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3456	3564	WerFault.exe	85

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 3 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 3564	4500	rundll32.exe	85
PID 4500 wrote to memory of 3564	4500	rundll32.exe	85
PID 4500 wrote to memory of 3564	4500	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7zU.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7zU.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 600
    3⤵
    - Program crash
    PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3564 -ip 3564
1⤵
PID:1288

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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