8b43a8f275f01c7ea9265d8452464d490644d00285a62190db2e606ae57a4d9d

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/10/2024, 06:43

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General

Target

$PLUGINSDIR/nsisdl.dll
Size

14KB
MD5

1dadb63a5dfaa0679485c5dbaf96033f
SHA1

d1717aab683c55bd13bbd520d2a91178efa0d676
SHA256

72c65f7cd4a611b077b1ad0be8185780909e9cb04c53ecdac3e17fc72c99b245
SHA512

46535c2d96937d49ee7c222428db4a8d61eb346efa0845fcd88e06523ed7836518e5a72d623e9c5563bf6759b449b6d2fcb0340b98a6e7966027bc983db4f722
SSDEEP

384:wck76gi51kE5aYOMLDC4UnDp9B0Jc5HNw2PE:wck76gibLCMLDLCx04HNVPE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	2428	WerFault.exe	30

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 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 2428 wrote to memory of 2388	2428	rundll32.exe	31
PID 2428 wrote to memory of 2388	2428	rundll32.exe	31
PID 2428 wrote to memory of 2388	2428	rundll32.exe	31
PID 2428 wrote to memory of 2388	2428	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- 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:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 224
    3⤵
    - Program crash
    PID:2388

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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