cfbce9cdb3fb56d180a939250fe3dd410c3c9fa9143345d5fc9e2f326450bbb8

Analysis

max time kernel
141s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 03:53

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

72KB
MD5

1611656f80b78236069906365be36264
SHA1

064f7a679d484459db3b1768a1b8a898ae788883
SHA256

721454186b5a04a5755adcc0b6ad1ea71b0a464d69b5a97529b36e44f6087d3b
SHA512

625a6fef59c720afd1c5e5dc91dd549b91dd8d9c7802bebf391687234c4845848a5644e5b16c1b358cd6a43a67a9443f0e080d04c0688c64ec38ac06beeb4328
SSDEEP

1536:iq1go754oPtqTbIrKZYexTTvIUQt85rFmTwHoUgyB:iqh14oPtjp6vIUQt85rboUgyB

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1740	1756	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 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1200 wrote to memory of 1756	1200	rundll32.exe	29
PID 1756 wrote to memory of 1740	1756	rundll32.exe	30
PID 1756 wrote to memory of 1740	1756	rundll32.exe	30
PID 1756 wrote to memory of 1740	1756	rundll32.exe	30
PID 1756 wrote to memory of 1740	1756	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 224
    3⤵
    - Program crash
    PID:1740

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

Replay Monitor

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Downloads

memory/1756-0-0x0000000010000000-0x000000001001D000-memory.dmp

Filesize
116KB

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