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Analysis

  • max time kernel
    40s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    01/08/2022, 20:31

General

  • Target

    PO 7500093232.exe

  • Size

    482KB

  • MD5

    832efb6bf9f508ebb2c41257fadcc300

  • SHA1

    1e8667e1561c3411f42f98c494dcc99be36d6d6a

  • SHA256

    f9bc0d5860d6135dab48b897e55465d88ebd0ca9b73ebdbaf83957d6e3bee26f

  • SHA512

    f866c97b78b006891b34b5afa8f0d3e3a8bf0e7033ab8970e142427e2611f07127fb3661bec26d43e0f68aa9e19aa8932adc2fb296cf1cdfdd85dd2b72eb30ea

Score
10/10

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Downloads MZ/PE file
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 7500093232.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 7500093232.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\PO 7500093232.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 7500093232.exe"
      2⤵
        PID:1052

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1052-57-0x0000000000200000-0x0000000000222000-memory.dmp

      Filesize

      136KB

    • memory/1052-58-0x0000000000200000-0x0000000000222000-memory.dmp

      Filesize

      136KB

    • memory/1052-60-0x0000000000200000-0x0000000000222000-memory.dmp

      Filesize

      136KB

    • memory/1052-62-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1052-64-0x0000000000200000-0x0000000000222000-memory.dmp

      Filesize

      136KB

    • memory/1744-54-0x00000000003E0000-0x000000000045E000-memory.dmp

      Filesize

      504KB

    • memory/1744-55-0x00000000754F1000-0x00000000754F3000-memory.dmp

      Filesize

      8KB

    • memory/1744-56-0x0000000000760000-0x000000000077C000-memory.dmp

      Filesize

      112KB