Analysis

  • max time kernel
    138s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1252242040.xls

  • Size

    426KB

  • MD5

    bd09b5de1d0b78dcdf6240bcf37f10aa

  • SHA1

    17a42fbd5d53884d90168e1560e144629a5a6835

  • SHA256

    d500b24c5b9aa3b91eaec82234fb2044e20998ebfd855d6b03eedb8d111f8d42

  • SHA512

    db65403a3c6cb5c6812fca3deba306ecdd01e9a896848a382d3a36eb84d55a7510b9481adbc5e18d2ab749421b0bdc3635e681ac7f6fa17033b02a5f025ce716

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-1252242040.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:1000
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:984
      • C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1228
        • C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Byihau\ioustzf.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:572
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:932
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xkcnqpmplj /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I xkcnqpmplj" /SC ONCE /Z /ST 22:59 /ET 23:11
        3⤵
        • Creates scheduled task(s)
        PID:616
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6DB96A9D-8FCE-437E-A0EC-691ACEB5D6B4} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I xkcnqpmplj
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/572-23-0x0000000002510000-0x0000000002521000-memory.dmp

          Filesize

          68KB

        • memory/984-14-0x00000000025D0000-0x00000000025E1000-memory.dmp

          Filesize

          68KB

        • memory/1124-0-0x0000000000505000-0x0000000000509000-memory.dmp

          Filesize

          16KB

        • memory/1124-5-0x00000000060D0000-0x00000000060D4000-memory.dmp

          Filesize

          16KB

        • memory/1124-6-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

          Filesize

          4KB

        • memory/1124-4-0x00000000070D0000-0x00000000070D4000-memory.dmp

          Filesize

          16KB

        • memory/1124-10-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

          Filesize

          16KB

        • memory/1228-24-0x00000000003C0000-0x00000000003F7000-memory.dmp

          Filesize

          220KB

        • memory/1836-1-0x000007FEF6AA0000-0x000007FEF6D1A000-memory.dmp

          Filesize

          2.5MB