Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    12-04-2022 07:45

General

  • Target

    c8da163b0c84637e8e40fb15add10d77ef3853af773f88bec56ff5a03c40e5ad.exe

  • Size

    3.8MB

  • MD5

    bcaaf37e0beb6717d01b175e6bc78c44

  • SHA1

    6ed8bd63cca483dd9e8bd742fd79d76bc87beccc

  • SHA256

    c8da163b0c84637e8e40fb15add10d77ef3853af773f88bec56ff5a03c40e5ad

  • SHA512

    481fd0295bb83951efac8b6c67d94ef5bee0255258855f16b103f6b846813f27ef697cddde12b3fc5b2b956de94cdb6dbba10a525fa617c6ef91180f0b690b9f

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • LoaderBot executable 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8da163b0c84637e8e40fb15add10d77ef3853af773f88bec56ff5a03c40e5ad.exe
    "C:\Users\Admin\AppData\Local\Temp\c8da163b0c84637e8e40fb15add10d77ef3853af773f88bec56ff5a03c40e5ad.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\ProgramData\MinerFull.exe
      "C:\ProgramData\MinerFull.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
        "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 45XQiu9A9vmVd5Cy6X35M12NocUr2Hx69X4ZNNu2BsKJYkdksefg2gXJyvBUeEJyDWTfLD6GWmAu4Tab1w4tycfcFMqy8yH -p x -k -v=0 --donate-level=1 -t 1
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\MinerFull.exe

    Filesize

    4.0MB

    MD5

    5c7bc4cc56f6e6acb801210bc6eda798

    SHA1

    541b6f50091fdc17c2bc8d596c0e202b854fb991

    SHA256

    48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9

    SHA512

    66558bf8679c264c507a1fb8da2fd81347b339d3786487895f902330d63bf9b44be5a136061b0848801b768fea3e525b934d1b04c2cef959cc878b421c6cbd5d

  • C:\ProgramData\MinerFull.exe

    Filesize

    4.0MB

    MD5

    5c7bc4cc56f6e6acb801210bc6eda798

    SHA1

    541b6f50091fdc17c2bc8d596c0e202b854fb991

    SHA256

    48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9

    SHA512

    66558bf8679c264c507a1fb8da2fd81347b339d3786487895f902330d63bf9b44be5a136061b0848801b768fea3e525b934d1b04c2cef959cc878b421c6cbd5d

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

    Filesize

    3.9MB

    MD5

    02569a7a91a71133d4a1023bf32aa6f4

    SHA1

    0f16bcb3f3f085d3d3be912195558e9f9680d574

    SHA256

    8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

    SHA512

    534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

  • memory/2156-119-0x00000000004B0000-0x00000000008B0000-memory.dmp

    Filesize

    4.0MB

  • memory/2156-120-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/3760-114-0x00000199CE420000-0x00000199CE482000-memory.dmp

    Filesize

    392KB

  • memory/3760-115-0x00000199E8AD0000-0x00000199E8AD2000-memory.dmp

    Filesize

    8KB

  • memory/3880-124-0x00000000001B0000-0x00000000001C4000-memory.dmp

    Filesize

    80KB

  • memory/3880-125-0x0000000000000000-0x0000000010000000-memory.dmp

    Filesize

    256.0MB