Analysis

  • max time kernel
    88s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-104660471.xls

  • Size

    426KB

  • MD5

    baa51be0314e2fd53390cac661f8cc6a

  • SHA1

    d46efec04c717f8b5a9156d67d194ed4bec1fa0e

  • SHA256

    834efa9fc1568d2d75afa972975828dc3a4508fecbc91052cea2ccd41d2a9cd3

  • SHA512

    97f4895c32cb477a25d09f57fb6630b42ebe4c582db9443cc1523f74ef1ded76ca467fc670686bfcbedeb341a6cb3e67de2676785ee875bc53238cd763f2362d

Malware Config

Extracted

Family

qakbot

Botnet

tr01

Campaign

1602688146

C2

73.228.1.246:443

74.109.219.145:443

76.111.128.194:443

90.175.88.99:2222

108.191.28.158:443

68.225.60.77:443

75.136.40.155:443

5.193.181.221:2078

72.204.242.138:20

118.160.162.234:443

68.14.210.246:22

148.101.74.12:443

74.222.204.82:443

96.30.198.161:443

140.82.27.132:443

2.50.131.64:443

45.32.155.12:995

45.63.104.123:443

45.32.165.134:443

217.162.149.212:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-104660471.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\WErtu\Reterd\szvmhegu.exe
      "C:\WErtu\Reterd\szvmhegu.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:660
      • C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Enqmlfeg\mumhudzw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:856
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:536
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn auxecrnlol /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I auxecrnlol" /SC ONCE /Z /ST 23:00 /ET 23:12
        3⤵
        • Creates scheduled task(s)
        PID:1672
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3F0F6D2B-91D0-406E-BEDB-9E35A370F2A3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1548
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I auxecrnlol
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1976

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/660-14-0x0000000002530000-0x0000000002541000-memory.dmp

          Filesize

          68KB

        • memory/856-23-0x0000000002580000-0x0000000002591000-memory.dmp

          Filesize

          68KB

        • memory/1100-10-0x0000000005040000-0x0000000005044000-memory.dmp

          Filesize

          16KB

        • memory/1100-6-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

          Filesize

          4KB

        • memory/1100-5-0x0000000006340000-0x0000000006344000-memory.dmp

          Filesize

          16KB

        • memory/1100-4-0x0000000006140000-0x0000000006144000-memory.dmp

          Filesize

          16KB

        • memory/1332-24-0x0000000000440000-0x0000000000477000-memory.dmp

          Filesize

          220KB

        • memory/1680-1-0x000007FEF7D20000-0x000007FEF7F9A000-memory.dmp

          Filesize

          2.5MB