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Overview

overview

10

Static

static

10

VAST.zip

windows7-x64

1

VAST.zip

windows10-2004-x64

1

!VAST/VastGen.exe

windows7-x64

7

!VAST/VastGen.exe

windows10-2004-x64

7

main.pyc

windows7-x64

3

main.pyc

windows10-2004-x64

3

!VAST/config.toml

windows7-x64

3

!VAST/config.toml

windows10-2004-x64

3

!VAST/data/bios.txt

windows7-x64

1

!VAST/data/bios.txt

windows10-2004-x64

1

!VAST/data...es.txt

windows7-x64

1

!VAST/data...es.txt

windows10-2004-x64

1

!VAST/data...es.vbs

windows7-x64

1

!VAST/data...es.vbs

windows10-2004-x64

1

Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2023, 19:46

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General

  • Target

    !VAST/VastGen.exe

  • Size

    39.3MB

  • MD5

    9c5ff43c0f29ccd9e0a5682565e6e45d

  • SHA1

    800574f0a4dfadcba94340c3d64a3e00fdd3ddce

  • SHA256

    edb0f506950965f4af08ce445f137360129f061624a96424ecc19e70c20c3fb8

  • SHA512

    f05a09e26dbe21a16cd33fde937b24dfccc820273886bfee5dcdec033588d6d576fa1eedceb673aa2aad0177281bff737a90ede22d814cd8132835b964ba3b55

  • SSDEEP

    786432:DQtsgYVHiRyc0KaU2j6+s7LWB75zuk2F5F0nC9/JqrYEap9WMNmBHqeU:DQtCVHLc0KaU2qHWB75ikKzZ9p3p9WMV

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\!VAST\VastGen.exe
    "C:\Users\Admin\AppData\Local\Temp\!VAST\VastGen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\!VAST\VastGen.exe
      "C:\Users\Admin\AppData\Local\Temp\!VAST\VastGen.exe"
      2⤵
      • Loads dropped DLL
      PID:2544

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI25362\python311.dll
    Filesize

    5.5MB

    MD5

    58e01abc9c9b5c885635180ed104fe95

    SHA1

    1c2f7216b125539d63bd111a7aba615c69deb8ba

    SHA256

    de1b95d2e951fc048c84684bc7df4346138910544ee335b61fc8e65f360c3837

    SHA512

    cd32c77191309d99aeed47699501b357b35669123f0dd70ed97c3791a009d1855ab27162db24a4bd9e719b68ee3b0539ee6db88e71abb9a2d4d629f87bc2c081

    Download Submit

  • \Users\Admin\AppData\Local\Temp\_MEI25362\python311.dll
    Filesize

    5.5MB

    MD5

    58e01abc9c9b5c885635180ed104fe95

    SHA1

    1c2f7216b125539d63bd111a7aba615c69deb8ba

    SHA256

    de1b95d2e951fc048c84684bc7df4346138910544ee335b61fc8e65f360c3837

    SHA512

    cd32c77191309d99aeed47699501b357b35669123f0dd70ed97c3791a009d1855ab27162db24a4bd9e719b68ee3b0539ee6db88e71abb9a2d4d629f87bc2c081

    Download Submit