38a979461cbcc16f88071177b01d294787ea9599245b3e95364d0bd1a1842fc3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 09:30

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General

Target

$PLUGINSDIR/nsisos.dll
Size

5KB
MD5

69806691d649ef1c8703fd9e29231d44
SHA1

e2193fcf5b4863605eec2a5eb17bf84c7ac00166
SHA256

ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
SHA512

5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb
SSDEEP

48:6EyuygeHCfxwU5x+6kx/k1gONv27oBc2OkIrHHl:VeHCf2762kKsu7oGjkIrn

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2820	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 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2756 wrote to memory of 2820	2756	rundll32.exe	30
PID 2820 wrote to memory of 2824	2820	rundll32.exe	31
PID 2820 wrote to memory of 2824	2820	rundll32.exe	31
PID 2820 wrote to memory of 2824	2820	rundll32.exe	31
PID 2820 wrote to memory of 2824	2820	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisos.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisos.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 224
    3⤵
    - Program crash
    PID:2824

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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