Overview

overview

10

Static

static

yhrtfweadqwa.exe

windows7_x64

10

yhrtfweadqwa.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29-04-2022 15:41

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General

  • Target

    yhrtfweadqwa.exe

  • Size

    4.0MB

  • MD5

    9e5ab0afc9796bbed8ca5a2f683aae01

  • SHA1

    7063aaa1901e0ae659c32d33b866684d8282b0d7

  • SHA256

    648e092b2cea4d5640f151203911536056abcb6a16d0de391528e9bd8842b940

  • SHA512

    7e00d93ad0b2c54e2a6a86eec37bf654c580ecd68804fa3275fe3072db8eb9ecdcf06c4e01ac74907a631427a418c3a4160625c659fa5615c9ef47052a3dbf30

Score
10/10
loaderbotloaderminerpersistencesuricata

Malware Config

Signatures

  • LoaderBot

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

    loaderminerloaderbot
  • suricata: ET MALWARE CerberTear Ransomware CnC Checkin

    suricata: ET MALWARE CerberTear Ransomware CnC Checkin

    suricata
  • LoaderBot executable 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yhrtfweadqwa.exe
    "C:\Users\Admin\AppData\Local\Temp\yhrtfweadqwa.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Public\Videos\memory_inject.exe
      "C:\Users\Public\Videos\memory_inject.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2848
      • 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:1628
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1628 -s 764
          4⤵
          • Program crash
          PID:2412
      • 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:4340
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 460 -p 1628 -ip 1628
    1⤵
      PID:1096

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

      Download Submit

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

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

      Download Submit

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

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

      Download Submit

    • C:\Users\Public\Videos\memory_inject.exe
      Filesize

      4.0MB

      MD5

      5c7bc4cc56f6e6acb801210bc6eda798

      SHA1

      541b6f50091fdc17c2bc8d596c0e202b854fb991

      SHA256

      48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9

      SHA512

      66558bf8679c264c507a1fb8da2fd81347b339d3786487895f902330d63bf9b44be5a136061b0848801b768fea3e525b934d1b04c2cef959cc878b421c6cbd5d

      Download Submit

    • C:\Users\Public\Videos\memory_inject.exe
      Filesize

      4.0MB

      MD5

      5c7bc4cc56f6e6acb801210bc6eda798

      SHA1

      541b6f50091fdc17c2bc8d596c0e202b854fb991

      SHA256

      48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9

      SHA512

      66558bf8679c264c507a1fb8da2fd81347b339d3786487895f902330d63bf9b44be5a136061b0848801b768fea3e525b934d1b04c2cef959cc878b421c6cbd5d

      Download Submit

    • memory/1628-138-0x00000000001D0000-0x00000000001E4000-memory.dmp

      Filesize

      80KB

      Download

    • memory/2848-133-0x0000000000460000-0x0000000000860000-memory.dmp

      Filesize

      4.0MB

      Download

    • memory/2848-134-0x0000000005200000-0x0000000005266000-memory.dmp

      Filesize

      408KB

      Download

    • memory/4340-142-0x00000000004F0000-0x0000000000510000-memory.dmp

      Filesize

      128KB

      Download

    • memory/4340-143-0x0000000001FB0000-0x0000000001FD0000-memory.dmp

      Filesize

      128KB

      Download