Analysis

  • max time kernel
    130s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24/02/2021, 22:48

General

  • Target
    fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll
  • Size 298KB
  • Sample210224-ejnggsnrcx
  • SHA256 fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Botnet
  • abc123

Campaign
  • 1612275762

C2
  • 196.151.252.84:443

  • 216.201.162.158:443

  • 83.110.12.140:2222

  • 105.186.102.16:443

  • 108.31.15.10:995

  • 193.248.221.184:2222

  • 68.225.60.77:995

  • 197.45.110.165:995

  • 89.3.198.238:443

  • 81.97.154.100:443

  • 81.214.126.173:2222

  • 108.46.145.30:443

  • 71.187.170.235:443

  • 72.240.200.181:2222

  • 81.88.254.62:443

  • 98.240.24.57:443

  • 86.97.8.249:443

  • 75.136.40.155:443

  • 79.129.121.81:995

  • 37.211.90.175:995

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\fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1728
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zjsfuuc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll\"" /SC ONCE /Z /ST 23:47 /ET 23:59
          4⤵
          • Creates scheduled task(s)
          PID:1368
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {015FF8ED-8272-40BD-ABA5-8624F5FE07F6} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\fecaa2e8e502d07470d15ac84796abbaf12a7aa7ce2fa163b1e894ec20093fa3.dll"
        3⤵
        • Loads dropped DLL
        PID:292

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1728-11-0x00000000000F0000-0x0000000000125000-memory.dmp

        memory/1728-8-0x00000000750D1000-0x00000000750D3000-memory.dmp

        memory/1728-10-0x00000000000F0000-0x0000000000125000-memory.dmp

        memory/1792-13-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

        memory/2024-5-0x0000000000700000-0x0000000000735000-memory.dmp

        memory/2024-4-0x0000000000160000-0x0000000000194000-memory.dmp

        memory/2024-3-0x00000000765A1000-0x00000000765A3000-memory.dmp