Analysis

  • max time kernel
    151s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2022, 17:15

General

  • Target
    Originals.lnk
  • Size 1KB
  • Sample221018-vsmzbaggfk
  • SHA256 35a446d6961e2dfac55be5c60713e86172e5746bc984002a6d04747b66578731
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Version
  • 403.973

Botnet
  • BB03

Campaign
  • 1666073717

C2
  • 190.199.99.171:993

  • 41.69.192.245:443

  • 167.58.254.85:443

  • 206.1.172.1:443

  • 5.163.177.234:443

  • 134.35.0.103:443

  • 105.96.221.136:443

  • 41.101.100.7:443

  • 186.177.93.18:2222

  • 78.179.135.247:443

  • 177.205.74.14:2222

  • 102.47.218.41:443

  • 102.156.149.226:443

  • 41.250.48.206:443

  • 41.107.58.251:443

  • 187.198.16.39:443

  • 193.201.187.64:443

  • 41.102.134.89:443

  • 102.159.77.134:995

  • 105.159.49.123:995

Attributes
  • salt

    SoNuce]ugdiB3c[doMuce2s81*uXmcvP

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Originals.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c carcasses\virtuosity.cmd re gs vr
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Users\Admin\AppData\Local\Temp\bbc.exe
        C:\Users\Admin\AppData\Local\Temp\bbc.exe carcasses\peg.des
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3688
        • C:\Windows\SysWOW64\regsvr32.exe
          carcasses\peg.des
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1036
          • C:\Windows\SysWOW64\wermgr.exe
            C:\Windows\SysWOW64\wermgr.exe
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4900

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        bbc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\bbc.exe
        • Size 24KB
        • SHA256 022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7
        • MD5 SHA1 SHA512 SSDEEP

        memory/1036-138-0x0000000002A50000-0x0000000002AC1000-memory.dmp

        memory/1036-136-0x0000000075090000-0x0000000075120000-memory.dmp

        memory/1036-137-0x0000000075090000-0x0000000075120000-memory.dmp

        memory/1036-139-0x0000000002AD0000-0x0000000002AF9000-memory.dmp

        memory/1036-141-0x0000000075090000-0x0000000075120000-memory.dmp

        memory/1036-142-0x0000000002AD0000-0x0000000002AF9000-memory.dmp

        memory/4900-143-0x0000000000F40000-0x0000000000F69000-memory.dmp

        memory/4900-144-0x0000000000F40000-0x0000000000F69000-memory.dmp