Analysis

  • max time kernel
    144s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15/12/2020, 13:17

General

  • Target
    5555555555.dll
  • Size 2.2MB
  • Sample201215-js9lfht2ra
  • SHA256 d6aa5dbcf30ac492421a278272a843747dcc718631457707de9c77f49ba9a21a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Botnet
  • abc112

Campaign
  • 1608025881

C2
  • 149.28.98.196:995

  • 149.28.99.97:995

  • 45.63.107.192:2222

  • 144.202.38.185:995

  • 144.202.38.185:443

  • 45.63.107.192:995

  • 5.13.84.186:995

  • 68.83.89.188:443

  • 67.141.11.98:443

  • 219.76.148.249:443

  • 86.245.82.249:2078

  • 116.240.78.45:995

  • 37.182.244.124:2222

  • 72.186.1.237:443

  • 78.97.207.104:443

  • 80.14.22.234:2222

  • 202.141.225.158:443

  • 72.28.255.159:995

  • 37.6.208.105:2222

  • 161.142.217.62:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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 17 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5555555555.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5555555555.dll,#1
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:192
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ujcnmyho /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\5555555555.dll\"" /SC ONCE /Z /ST 14:15 /ET 14:27
          4⤵
          • Creates scheduled task(s)
          PID:3136
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\5555555555.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\5555555555.dll"
      2⤵
      • Loads dropped DLL
      PID:3036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:736

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/192-7-0x0000000000AF0000-0x0000000000B25000-memory.dmp

        memory/736-11-0x0000000003410000-0x0000000003411000-memory.dmp

        memory/736-13-0x0000000003A40000-0x0000000003A41000-memory.dmp

        memory/2428-3-0x0000000004510000-0x0000000004545000-memory.dmp

        memory/2428-5-0x0000000010000000-0x0000000010035000-memory.dmp