Overview

overview

10

Static

static

10

MinerFull.exe

windows7_x64

10

MinerFull.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    11/04/2022, 03:19

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General

  • Target
    MinerFull.exe
  • Size 4.0MB
  • Sample220411-dvdd8agfen
  • SHA256 48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9
  • MD5 SHA1 SHA512
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 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 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 behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MinerFull.exe
    "C:\Users\Admin\AppData\Local\Temp\MinerFull.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3304
    • 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
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4804
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4804 -s 764
        3⤵
        • Program crash
        PID:4788
    • 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
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:204
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 456 -p 4804 -ip 4804
    1⤵
      PID:4748

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          Driver.exe
          • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          • Size 3.9MB
          • SHA256 8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Driver.exe
          • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          • Size 3.9MB
          • SHA256 8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Driver.exe
          • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          • Size 3.9MB
          • SHA256 8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/204-133-0x00000000004D0000-0x00000000004F0000-memory.dmp
          Download

          memory/204-134-0x0000000000800000-0x0000000000820000-memory.dmp
          Download

          memory/3304-124-0x0000000000270000-0x0000000000670000-memory.dmp
          Download

          memory/3304-125-0x0000000005320000-0x0000000005386000-memory.dmp
          Download

          memory/4804-129-0x00000000001D0000-0x00000000001E4000-memory.dmp
          Download