Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2023 19:24

General

  • Target

    VastGen.exe

  • Size

    36.4MB

  • MD5

    4fc026bd21c123091fd65614ffb34697

  • SHA1

    5badea2f62d005488e2b7bc383fa4b30d5099298

  • SHA256

    556e4e5d8aefc825901a2b5ca83bc94e228f285848a076074ac061091c64a80f

  • SHA512

    726e2be81ff17f187c766bad3c2a56ac94312963fbf4fb03bcfa559a8ca68c22cca2ad260bd7bdfe49921d79cb4d1b2108081e4ddfd12fd199ddfb46c4ae1e97

  • SSDEEP

    786432:LQclfQD4sbb0fOHzeMKVxzx5QL73C9/JqrYEap9Wm+EpJs5zoVErf:LQYoRb+OHzDCd5QL7y9p3p9Wm+YYzoVe

Score
7/10

Malware Config

Signatures

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\VastGen.exe
    "C:\Users\Admin\AppData\Local\Temp\VastGen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Temp\VastGen.exe
      "C:\Users\Admin\AppData\Local\Temp\VastGen.exe"
      2⤵
      • Loads dropped DLL
      PID:2872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI24122\python310.dll
    Filesize

    4.3MB

    MD5

    63a1fa9259a35eaeac04174cecb90048

    SHA1

    0dc0c91bcd6f69b80dcdd7e4020365dd7853885a

    SHA256

    14b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed

    SHA512

    896caa053f48b1e4102e0f41a7d13d932a746eea69a894ae564ef5a84ef50890514deca6496e915aae40a500955220dbc1b1016fe0b8bcdde0ad81b2917dea8b

  • \Users\Admin\AppData\Local\Temp\_MEI24122\python310.dll
    Filesize

    4.3MB

    MD5

    63a1fa9259a35eaeac04174cecb90048

    SHA1

    0dc0c91bcd6f69b80dcdd7e4020365dd7853885a

    SHA256

    14b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed

    SHA512

    896caa053f48b1e4102e0f41a7d13d932a746eea69a894ae564ef5a84ef50890514deca6496e915aae40a500955220dbc1b1016fe0b8bcdde0ad81b2917dea8b