Analysis

  • max time kernel
    122s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1093469199.xls

  • Size

    426KB

  • MD5

    e8dcef7b0097419815d6dd6246dced4f

  • SHA1

    23fb6603be7d058ed100e4353ff2f0ab5b1cb472

  • SHA256

    6bc6774c4dd3f6e9c8c683e09b1c1b26d6165759cc771a41ca2d38f389e092be

  • SHA512

    393d66ddb25c3987ce76bdf18adaf0c4e46ea3c3f054b35315de83f9489ac92b02ef2d684be5c1c07c03d74b2845a6b0b821465d2f2409ff25aecaf6f890ae8e

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-1093469199.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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:2028
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:636
      • C:\Users\Admin\AppData\Roaming\Microsoft\Vlzkojmalhs\nnvbqeq.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Vlzkojmalhs\nnvbqeq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Users\Admin\AppData\Roaming\Microsoft\Vlzkojmalhs\nnvbqeq.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Vlzkojmalhs\nnvbqeq.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1872
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1180
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lmrhfayj /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I lmrhfayj" /SC ONCE /Z /ST 23:03 /ET 23:15
        3⤵
        • Creates scheduled task(s)
        PID:868
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A0833DE5-0024-4284-9EA9-348DC4CC5721} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I lmrhfayj
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1516

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/636-14-0x0000000002500000-0x0000000002511000-memory.dmp

          Filesize

          68KB

        • memory/1292-7-0x0000000002120000-0x0000000002121000-memory.dmp

          Filesize

          4KB

        • memory/1292-10-0x0000000004E00000-0x0000000004E04000-memory.dmp

          Filesize

          16KB

        • memory/1292-6-0x0000000002530000-0x0000000002531000-memory.dmp

          Filesize

          4KB

        • memory/1292-5-0x0000000005FA0000-0x0000000005FA4000-memory.dmp

          Filesize

          16KB

        • memory/1292-4-0x0000000006FA0000-0x0000000006FA4000-memory.dmp

          Filesize

          16KB

        • memory/1388-1-0x000007FEF6B20000-0x000007FEF6D9A000-memory.dmp

          Filesize

          2.5MB

        • memory/1872-23-0x00000000024C0000-0x00000000024D1000-memory.dmp

          Filesize

          68KB

        • memory/2012-24-0x0000000001C70000-0x0000000001CA7000-memory.dmp

          Filesize

          220KB