81caa6cf6ce08e857c4589fe54c2642c2b0b5a981660af16bd34c862ee179f51

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 01:41

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General

Target

Plugins/Images/bw5mount.dll
Size

7KB
MD5

dcbc41bbf1c5ca0cafaffc2d2274caec
SHA1

c4cd870441fa40cf36086de1dcb94556631794e2
SHA256

0d339a1b574e554bcff7ca8a33b2f510f7ea0e3968acc02a30474570774aaf73
SHA512

95f9a256de5f90ee6cbb0242ff2e39435029f19fc804a3859cb44e64e679d116fba1c1370168cb2fe96a2eb19cf8d734efdbf7d1a1056e78e35e78527fc0c574
SSDEEP

96:+ibpn2zmGirIba/tc8jS+85tIXPeyVMpt4UAtNWT:pHvXS+8TQPeIMptoE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	2132	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 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2264 wrote to memory of 2132	2264	rundll32.exe	30
PID 2132 wrote to memory of 2384	2132	rundll32.exe	31
PID 2132 wrote to memory of 2384	2132	rundll32.exe	31
PID 2132 wrote to memory of 2384	2132	rundll32.exe	31
PID 2132 wrote to memory of 2384	2132	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\Images\bw5mount.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\Images\bw5mount.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 224
    3⤵
    - Program crash
    PID:2384

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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