2b03dbc5b97d644bb498e6ad01ee65312705553c77f14ee32059111d28a0b36f

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 12:56

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General

Target

$PLUGINSDIR/BcNsisHelper.dll
Size

3.0MB
MD5

84e5590cc55ac1ab85619e658c6dcd35
SHA1

870ad683fa2c7c8b6b25803f733fdc3012b28bf7
SHA256

820b5151433517814beb3fa820238c92d4f776d14e9009c78bef745b855f91e1
SHA512

3595cbb38fbe28f6f173d28f9960b753dfe42f337338fab90027b1cf0305b4a5ba85ce725cd11c550dab2511b39551d2444c89e85a1a3a37a537bee83efc971f
SSDEEP

49152:wEzL18A3D1iJiJ/beZua60rcHCprbLMprzYlTCvZo36/UuKEeESXYulMAWTN:FWA3D1iYJ/beZua60r7GprzYlTCvZoM2

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
236	1932	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 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 2072 wrote to memory of 1932	2072	rundll32.exe	31
PID 1932 wrote to memory of 236	1932	rundll32.exe	32
PID 1932 wrote to memory of 236	1932	rundll32.exe	32
PID 1932 wrote to memory of 236	1932	rundll32.exe	32
PID 1932 wrote to memory of 236	1932	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BcNsisHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BcNsisHelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 260
    3⤵
    - Program crash
    PID:236

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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