Analysis

  • max time kernel
    170s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:40

General

  • Target

    29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe

  • Size

    18KB

  • MD5

    9de1c02cb8f6203bcf3b6f79962adb7b

  • SHA1

    79b9d852150ce8504cd9e1a0a8fbab8f85c06903

  • SHA256

    29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422

  • SHA512

    c3663475e1f25351b4ec6587e85549da74a72ee1d07d286c0d0d8b368a42f8a807995e5e31e34397e860c2712f0ff1ffd848d523313d744e10422ead18d8285b

  • SSDEEP

    192:K790pylszn3MPFjuOZrCZ047a1oyn361miLMgepar8Vd/d:s2pzn4sOZrCv7a18wiLMge68VdV

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe
    "C:\Users\Admin\AppData\Local\Temp\29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Users\Admin\AppData\Local\Temp\vytkz.exe
      "C:\Users\Admin\AppData\Local\Temp\vytkz.exe"
      2⤵
      • Executes dropped EXE
      PID:1716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vytkz.exe

    Filesize

    18KB

    MD5

    1b2bcebf800adb80593fa48b97e2059f

    SHA1

    3bfde8d14bd57e86690841e908437dd9bf99f345

    SHA256

    4c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0

    SHA512

    acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377

  • C:\Users\Admin\AppData\Local\Temp\vytkz.exe

    Filesize

    18KB

    MD5

    1b2bcebf800adb80593fa48b97e2059f

    SHA1

    3bfde8d14bd57e86690841e908437dd9bf99f345

    SHA256

    4c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0

    SHA512

    acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377

  • \Users\Admin\AppData\Local\Temp\vytkz.exe

    Filesize

    18KB

    MD5

    1b2bcebf800adb80593fa48b97e2059f

    SHA1

    3bfde8d14bd57e86690841e908437dd9bf99f345

    SHA256

    4c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0

    SHA512

    acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377

  • memory/1716-57-0x0000000000000000-mapping.dmp

  • memory/1716-61-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1772-54-0x0000000075291000-0x0000000075293000-memory.dmp

    Filesize

    8KB

  • memory/1772-56-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB