Analysis

  • max time kernel
    124s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1091013542.xls

  • Size

    426KB

  • MD5

    3f6e44c3ad299be56743cd5a55a7f1c6

  • SHA1

    076082ad0d6b7afd30097920157d0267f762555d

  • SHA256

    7eaf07b18ce0df5fc15a67cbbfe671863bcaa723c33e8a5c5e1623cf8ee1cc22

  • SHA512

    be7afe7378063d0f012e4bd29fe574de4d4dc7869a490cc737d9d80dcefc757ee03f995da75b7c188e737a90ef48257c5f06ac6a26a2d68946c5e138ef049fc7

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-1091013542.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1492
    • 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:1644
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:964
      • C:\Users\Admin\AppData\Roaming\Microsoft\Bosaocjcoam\ayymi.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Bosaocjcoam\ayymi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1076
        • C:\Users\Admin\AppData\Roaming\Microsoft\Bosaocjcoam\ayymi.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Bosaocjcoam\ayymi.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1248
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:820
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn dlkjjkcnwp /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I dlkjjkcnwp" /SC ONCE /Z /ST 22:58 /ET 23:10
        3⤵
        • Creates scheduled task(s)
        PID:680
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B4727D8F-2DC8-4D9A-B0A3-9F1304C2B134} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I dlkjjkcnwp
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:324

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/964-15-0x0000000002440000-0x0000000002451000-memory.dmp

          Filesize

          68KB

        • memory/1076-25-0x0000000001FF0000-0x0000000002027000-memory.dmp

          Filesize

          220KB

        • memory/1116-2-0x000007FEF68C0000-0x000007FEF6B3A000-memory.dmp

          Filesize

          2.5MB

        • memory/1248-24-0x00000000024B0000-0x00000000024C1000-memory.dmp

          Filesize

          68KB

        • memory/1492-7-0x0000000002510000-0x0000000002511000-memory.dmp

          Filesize

          4KB

        • memory/1492-11-0x0000000004F50000-0x0000000004F54000-memory.dmp

          Filesize

          16KB

        • memory/1492-6-0x00000000060D0000-0x00000000060D4000-memory.dmp

          Filesize

          16KB

        • memory/1492-5-0x0000000004B60000-0x0000000004B64000-memory.dmp

          Filesize

          16KB