Analysis

  • max time kernel
    100s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1284324479.xls

  • Size

    426KB

  • MD5

    1c185d97263bbf36d8ff65d2c19a22cb

  • SHA1

    9aebd0e22f2d8fd72687770df0f5c4aed72cd783

  • SHA256

    0ab76ae8042616c9c28732759becd0769b4990aa70bac761c3e18df5d9d97330

  • SHA512

    86bae00c185717deaf80a41911743b079bc8f4b044f17b6931431da608a219de522a56166fc21df3f2b00cd051cacf3f3b67a0edffb25874a60495be0bf92473

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-1284324479.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:616
    • 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:988
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:600
      • C:\Users\Admin\AppData\Roaming\Microsoft\Kdguaohzlaen\fyehqas.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Kdguaohzlaen\fyehqas.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:664
        • C:\Users\Admin\AppData\Roaming\Microsoft\Kdguaohzlaen\fyehqas.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Kdguaohzlaen\fyehqas.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:576
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:484
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lojnfdxgd /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I lojnfdxgd" /SC ONCE /Z /ST 23:38 /ET 23:50
        3⤵
        • Creates scheduled task(s)
        PID:564
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CA92446F-BCF1-428A-999F-1E0646482019} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I lojnfdxgd
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:580

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/576-22-0x0000000002520000-0x0000000002531000-memory.dmp

          Filesize

          68KB

        • memory/600-13-0x00000000024B0000-0x00000000024C1000-memory.dmp

          Filesize

          68KB

        • memory/616-9-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

          Filesize

          16KB

        • memory/616-6-0x0000000005F70000-0x0000000005F74000-memory.dmp

          Filesize

          16KB

        • memory/616-5-0x0000000006F70000-0x0000000006F74000-memory.dmp

          Filesize

          16KB

        • memory/664-23-0x0000000000540000-0x0000000000577000-memory.dmp

          Filesize

          220KB

        • memory/1384-2-0x000007FEF70B0000-0x000007FEF732A000-memory.dmp

          Filesize

          2.5MB