Analysis

  • max time kernel
    138s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1310476554.xls

  • Size

    426KB

  • MD5

    c18e35a3d4f917f58bdf2369d124e3d7

  • SHA1

    2f0c40006a5ebcfb2731b2e224512c2e7b5227d3

  • SHA256

    6518d25251986aad578f897b0e7ded08dae30841ed336b71fbb1b0c85a626380

  • SHA512

    1a5e50e6b4caeb3fe1d1af57404bc4195e67cf96e9112067de32acf838217aba5c917a93af4fe67e202034458fb5fd66f8e83f9b975e5e87171caca615481507

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-1310476554.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • 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:1128
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1068
      • C:\Users\Admin\AppData\Roaming\Microsoft\Jxskzmemykr\ispoiw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Jxskzmemykr\ispoiw.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Users\Admin\AppData\Roaming\Microsoft\Jxskzmemykr\ispoiw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Jxskzmemykr\ispoiw.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1108
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:296
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zoabnqgl /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I zoabnqgl" /SC ONCE /Z /ST 23:35 /ET 23:47
        3⤵
        • Creates scheduled task(s)
        PID:612
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {00A484A5-33A6-47CD-B71C-F262259EC3A1} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I zoabnqgl
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1068-14-0x0000000002530000-0x0000000002541000-memory.dmp

          Filesize

          68KB

        • memory/1108-23-0x00000000025C0000-0x00000000025D1000-memory.dmp

          Filesize

          68KB

        • memory/1464-6-0x0000000002530000-0x0000000002531000-memory.dmp

          Filesize

          4KB

        • memory/1464-5-0x0000000006000000-0x0000000006004000-memory.dmp

          Filesize

          16KB

        • memory/1464-10-0x0000000004EA0000-0x0000000004EA4000-memory.dmp

          Filesize

          16KB

        • memory/1464-4-0x0000000007000000-0x0000000007004000-memory.dmp

          Filesize

          16KB

        • memory/1536-1-0x000007FEF49A0000-0x000007FEF4C1A000-memory.dmp

          Filesize

          2.5MB

        • memory/1808-24-0x0000000001C60000-0x0000000001C97000-memory.dmp

          Filesize

          220KB