a6a04d6387a4288965c5d223f9f6c88376a663dd484f4b54cf43aea4d25642da

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 01:57

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

14KB
MD5

254f13dfd61c5b7d2119eb2550491e1d
SHA1

5083f6804ee3475f3698ab9e68611b0128e22fd6
SHA256

fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28
SHA512

fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7
SSDEEP

192:t5ZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp01Dwn2GRYgsfA:fBo/680dCI5adOjFOg9//p27uNw2bo

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4516	5104	WerFault.exe	82

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 2596 wrote to memory of 5104	2596	rundll32.exe	82
PID 2596 wrote to memory of 5104	2596	rundll32.exe	82
PID 2596 wrote to memory of 5104	2596	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 632
    3⤵
    - Program crash
    PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5104 -ip 5104
1⤵
PID:2228

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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