Analysis

  • max time kernel
    152s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1191172163.xls

  • Size

    426KB

  • MD5

    9ca46d3e6b6b280df767aeb6fbbd740c

  • SHA1

    826f3f87126bab9c6e81b3182c3226998c971c28

  • SHA256

    0ee24b96daf3d9d562dc06efd8ca6a887043a34c2cdcbf2d4bf1ef673b5772ec

  • SHA512

    79054beb57f96c5cc338f7b02128a52ecf3cc6524d6e266b219eda3dd6ef809831f0af714833d189e29b49bf6767e605b7104f2e259fdfaefd6cbbfb3de268e9

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 8 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-1191172163.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1304
    • 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:1888
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1968
      • C:\Users\Admin\AppData\Roaming\Microsoft\Xozbv\mjmqvwc.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Xozbv\mjmqvwc.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Users\Admin\AppData\Roaming\Microsoft\Xozbv\mjmqvwc.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Xozbv\mjmqvwc.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:872
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2000
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn qkuuvns /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I qkuuvns" /SC ONCE /Z /ST 01:06 /ET 01:18
        3⤵
        • Creates scheduled task(s)
        PID:1108
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {53625733-D287-4336-8F83-92784D30F6C9} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I qkuuvns
      2⤵
      • Executes dropped EXE
      PID:1840

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/872-21-0x0000000002580000-0x0000000002591000-memory.dmp

          Filesize

          68KB

        • memory/1112-22-0x0000000000360000-0x0000000000397000-memory.dmp

          Filesize

          220KB

        • memory/1304-5-0x0000000006010000-0x0000000006014000-memory.dmp

          Filesize

          16KB

        • memory/1304-8-0x0000000004D40000-0x0000000004D44000-memory.dmp

          Filesize

          16KB

        • memory/1304-4-0x0000000005E40000-0x0000000005E44000-memory.dmp

          Filesize

          16KB

        • memory/1808-1-0x000007FEF7210000-0x000007FEF748A000-memory.dmp

          Filesize

          2.5MB

        • memory/1968-12-0x0000000002570000-0x0000000002581000-memory.dmp

          Filesize

          68KB