Analysis

  • max time kernel
    128s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28/11/2020, 06:41

General

  • Target
    923753.exe.dll
  • Size 2.9MB
  • Sample201128-m1rb8xt5sn
  • SHA256 72239e1800fc5eb1906c904f9477f43e67fcf9b7e3f71b933440bc79ba0c4e13
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Botnet
  • abc101

Campaign
  • 1606331967

C2
  • 76.104.230.174:443

  • 187.227.86.129:995

  • 219.255.28.241:443

  • 78.184.6.94:443

  • 95.159.45.82:443

  • 91.228.36.95:443

  • 79.115.215.125:443

  • 24.244.161.36:443

  • 24.71.28.247:443

  • 73.239.229.107:995

  • 187.153.119.36:443

  • 190.75.167.44:2222

  • 83.110.111.159:443

  • 174.76.21.134:443

  • 75.109.180.221:443

  • 85.122.141.42:995

  • 156.222.6.246:995

  • 188.24.183.193:443

  • 88.106.237.152:2222

  • 79.166.83.103:2222

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\923753.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\923753.exe.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1496
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn esrsriqdg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\923753.exe.dll\"" /SC ONCE /Z /ST 06:46 /ET 06:58
          4⤵
          • Creates scheduled task(s)
          PID:1628
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {189B23BF-3BBB-4767-80D6-632D3D81DD72} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\923753.exe.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:272
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\923753.exe.dll"
        3⤵
        • Loads dropped DLL
        PID:744

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1496-4-0x0000000000290000-0x00000000002B0000-memory.dmp

        memory/1496-6-0x0000000000180000-0x00000000001A0000-memory.dmp

        memory/1524-3-0x00000000000A0000-0x00000000000A2000-memory.dmp

        memory/1524-8-0x0000000000080000-0x00000000000A0000-memory.dmp