Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 13:16

General

  • Target

    27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe

  • Size

    298KB

  • MD5

    11f8c5fbc44e99a180150e5721ef6085

  • SHA1

    b020e040f65130d99eb93578c2594fd1eb344a1b

  • SHA256

    27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19

  • SHA512

    a031677bfe59c498e600b3a26788dbc06e27f966a8e448578cc2c47009868cd09801222dffadded585187ab857d469e5f6f62a0601f68b21e8f771b5fbe1b96f

  • SSDEEP

    6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYw:v6Wq4aaE6KwyF5L0Y2D1PqLr

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe
    "C:\Users\Admin\AppData\Local\Temp\27d8ec727dd507dcd3ef4b4dc8b08756cceeaccfc2aab599c69f5c3ed6d2db19.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\svhost.exe
      C:\Windows\svhost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\svhost.exe
        C:\Windows\svhost.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\svhost.exe

    Filesize

    298KB

    MD5

    8be95fee216afa49f5542721bb55a842

    SHA1

    fa04224ef4f69eee04cc655cff988704eaec78d0

    SHA256

    720d5095435b89659d1daad4374fa7154951fef3277c4e4916eb05c63a6976e7

    SHA512

    97844fff9710dc79b78cc6db203fb1260759c75ed5b3d17a6cb2756221ec2b26501237978e1b6f3d5a7946c1d65dd8ec6696c8acd84b64c86ea9600aede001e7

  • C:\Windows\svhost.exe

    Filesize

    298KB

    MD5

    8be95fee216afa49f5542721bb55a842

    SHA1

    fa04224ef4f69eee04cc655cff988704eaec78d0

    SHA256

    720d5095435b89659d1daad4374fa7154951fef3277c4e4916eb05c63a6976e7

    SHA512

    97844fff9710dc79b78cc6db203fb1260759c75ed5b3d17a6cb2756221ec2b26501237978e1b6f3d5a7946c1d65dd8ec6696c8acd84b64c86ea9600aede001e7

  • C:\Windows\svhost.exe

    Filesize

    298KB

    MD5

    8be95fee216afa49f5542721bb55a842

    SHA1

    fa04224ef4f69eee04cc655cff988704eaec78d0

    SHA256

    720d5095435b89659d1daad4374fa7154951fef3277c4e4916eb05c63a6976e7

    SHA512

    97844fff9710dc79b78cc6db203fb1260759c75ed5b3d17a6cb2756221ec2b26501237978e1b6f3d5a7946c1d65dd8ec6696c8acd84b64c86ea9600aede001e7

  • memory/1552-65-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1552-68-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1672-64-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1672-66-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1760-62-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1760-63-0x0000000002760000-0x0000000002822000-memory.dmp

    Filesize

    776KB

  • memory/1760-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

    Filesize

    8KB

  • memory/1760-67-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB