Analysis

  • max time kernel
    110s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1351298490.xls

  • Size

    426KB

  • MD5

    2d7c02b9bb7fc61eb436b729610e5a76

  • SHA1

    125c38ed991c91f6f433b3302154fb89c7a5c0b3

  • SHA256

    78f64f89a0c5c5bca7bb70c397b56c46ab211e4fb55ae872023aa9c50ffb7a31

  • SHA512

    5b77db04c65732f201d14475cf02a22eee4a8b0061303d47102582180a2f6a44b45e448b127a7efede5b986158b4a96b483655a0e012cf213f5bdd96c67d8e2b

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-1351298490.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:836
    • 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:268
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1372
      • C:\Users\Admin\AppData\Roaming\Microsoft\Zibjpvwdya\eelbihy.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Zibjpvwdya\eelbihy.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Users\Admin\AppData\Roaming\Microsoft\Zibjpvwdya\eelbihy.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Zibjpvwdya\eelbihy.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2040
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1836
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn abkeenha /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I abkeenha" /SC ONCE /Z /ST 01:31 /ET 01:43
        3⤵
        • Creates scheduled task(s)
        PID:1208
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3E4E2B4B-6951-4B01-A140-95042135AE49} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I abkeenha
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/836-9-0x0000000004E00000-0x0000000004E04000-memory.dmp

          Filesize

          16KB

        • memory/836-6-0x0000000006190000-0x0000000006194000-memory.dmp

          Filesize

          16KB

        • memory/836-5-0x0000000007190000-0x0000000007194000-memory.dmp

          Filesize

          16KB

        • memory/1372-13-0x0000000002670000-0x0000000002681000-memory.dmp

          Filesize

          68KB

        • memory/1516-2-0x000007FEF8550000-0x000007FEF87CA000-memory.dmp

          Filesize

          2.5MB

        • memory/1648-23-0x00000000007E0000-0x0000000000817000-memory.dmp

          Filesize

          220KB

        • memory/2040-22-0x0000000002520000-0x0000000002531000-memory.dmp

          Filesize

          68KB