Analysis

  • max time kernel
    49s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1230329828.xls

  • Size

    426KB

  • MD5

    1e04585b18558aaf5135080632dfd4ea

  • SHA1

    fe7f511cc04856515da47a46e2d63d3444a9cb44

  • SHA256

    9eb9aed19367ef498c22e06b213d6a94636d362b9b248031dfdfe00791586a14

  • SHA512

    40705c2e6c9304a292af7eb0e4915550f4da0b5769f8395b50dc2f90bccf82cbe90a7b7729eba0485de54c0a9c9ab45baa3e9ef47a88361ee4518f8cd2ebdf66

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 4 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 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 25 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-1230329828.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1000
    • 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:1940
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1996
      • C:\Users\Admin\AppData\Roaming\Microsoft\Giaetyrzkhoo\aerfjsmf.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Giaetyrzkhoo\aerfjsmf.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Users\Admin\AppData\Roaming\Microsoft\Giaetyrzkhoo\aerfjsmf.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Giaetyrzkhoo\aerfjsmf.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1064
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:848
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mjyrufpnhg /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I mjyrufpnhg" /SC ONCE /Z /ST 01:06 /ET 01:18
        3⤵
        • Creates scheduled task(s)
        PID:804

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1000-5-0x0000000007CA0000-0x0000000007CA4000-memory.dmp

          Filesize

          16KB

        • memory/1000-9-0x0000000005BA0000-0x0000000005BA4000-memory.dmp

          Filesize

          16KB

        • memory/1000-6-0x0000000006CA0000-0x0000000006CA4000-memory.dmp

          Filesize

          16KB

        • memory/1064-23-0x0000000002500000-0x0000000002511000-memory.dmp

          Filesize

          68KB

        • memory/1172-2-0x000007FEF8040000-0x000007FEF82BA000-memory.dmp

          Filesize

          2.5MB

        • memory/1420-24-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/1996-13-0x0000000002580000-0x0000000002591000-memory.dmp

          Filesize

          68KB