Analysis

  • max time kernel
    133s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1162579452.xls

  • Size

    426KB

  • MD5

    91632ea46520d29ed7a36e4143a3c31d

  • SHA1

    f78a8250b4482b790f2b3a0b1300a2ed11023c55

  • SHA256

    4be68f0ff96802e5370a027ee75802698791e2d8bc6b0dae69840d390fc28884

  • SHA512

    c6fbb8e16e8826d20140e4bbca125f2109bbf4e80a5d7917c71e342aa9fb1ed04272871f98970325198c23c8c83bc668ad0b7ded75da49961b12ecd52dc126d7

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 7 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-1162579452.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1064
    • 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:984
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1164
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ivoieufy\ayhwei.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ivoieufy\ayhwei.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ivoieufy\ayhwei.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ivoieufy\ayhwei.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1180
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:656
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jqwzlptmg /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I jqwzlptmg" /SC ONCE /Z /ST 23:05 /ET 23:17
        3⤵
        • Creates scheduled task(s)
        PID:308
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D6FD2F7E-69AE-42CA-A340-BB1D968909D2} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I jqwzlptmg
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1792

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1064-9-0x0000000006250000-0x0000000006254000-memory.dmp

          Filesize

          16KB

        • memory/1064-11-0x00000000024C0000-0x00000000024C1000-memory.dmp

          Filesize

          4KB

        • memory/1064-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

          Filesize

          4KB

        • memory/1064-14-0x0000000004EF0000-0x0000000004EF4000-memory.dmp

          Filesize

          16KB

        • memory/1064-10-0x00000000024D0000-0x00000000024D4000-memory.dmp

          Filesize

          16KB

        • memory/1064-8-0x0000000007250000-0x0000000007254000-memory.dmp

          Filesize

          16KB

        • memory/1064-1-0x00000000024D0000-0x00000000024D1000-memory.dmp

          Filesize

          4KB

        • memory/1164-18-0x0000000002540000-0x0000000002551000-memory.dmp

          Filesize

          68KB

        • memory/1180-27-0x00000000024D0000-0x00000000024E1000-memory.dmp

          Filesize

          68KB

        • memory/1844-28-0x0000000001C80000-0x0000000001CB7000-memory.dmp

          Filesize

          220KB

        • memory/1900-5-0x000007FEF6B70000-0x000007FEF6DEA000-memory.dmp

          Filesize

          2.5MB