4e7982c1a982141773e2a47f43d0212c6e966457a4f96f7d05f5476d3e18a9af

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/11/2024, 03:07 UTC

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General

Target

$PLUGINSDIR/nsis7z.dll
Size

324KB
MD5

257fa9ec6d0cf12f4717dd6e56a876bf
SHA1

f4989aa55a6cfd35cac6992184232081fe48f6fe
SHA256

e558416adceace0064b2d8c7fb2f880ee685cec167b723ab4ed5573734d798f3
SHA512

548b6a2c483942230dc85be303e8fde33a11feb308afa0be605c1a2b9a1c5226c2279e327f4bc96b8fca2be8badff2f49d7ba968a40728886be5d110c4be215a
SSDEEP

6144:r49ssOlBrbYr5UP4m3mC/FvBbhQ1JzI+yQKiJGxdNtsm06q78:ruS165UP4mL/FvBtC8zQdSDmm0F78

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2296	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 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 1668 wrote to memory of 2296	1668	rundll32.exe	31
PID 2296 wrote to memory of 2316	2296	rundll32.exe	32
PID 2296 wrote to memory of 2316	2296	rundll32.exe	32
PID 2296 wrote to memory of 2316	2296	rundll32.exe	32
PID 2296 wrote to memory of 2316	2296	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 220
    3⤵
    - Program crash
    PID:2316

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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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