Analysis

  • max time kernel
    150s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1229635105.xls

  • Size

    426KB

  • MD5

    f329a2e080286d341e4e5fca229758d1

  • SHA1

    db9d4c2e3a2bfbbc5384c7e43b9e33de3a129ba5

  • SHA256

    a06f60bf3dad6daa521b1af21a5de7b6002675330290f10b9800287094cef9c9

  • SHA512

    67188827f0fc9045b9ed4b7527a4cf195de4b1e56ac79e4236cc7427f70e2b40186510f39ba2836c7ece5868d423f667ff7391037befaba3eed56b934a8dd31e

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-1229635105.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1604
    • 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:768
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1396
      • C:\Users\Admin\AppData\Roaming\Microsoft\Nymrqtzid\jcneirva.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Nymrqtzid\jcneirva.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1012
        • C:\Users\Admin\AppData\Roaming\Microsoft\Nymrqtzid\jcneirva.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Nymrqtzid\jcneirva.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:868
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1440
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn kbfrjdjaw /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I kbfrjdjaw" /SC ONCE /Z /ST 01:01 /ET 01:13
        3⤵
        • Creates scheduled task(s)
        PID:624
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6CC32BC2-1E6D-47F8-9F01-BB6EF7EDFE5D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I kbfrjdjaw
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:568

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/868-24-0x00000000024E0000-0x00000000024F1000-memory.dmp

          Filesize

          68KB

        • memory/1012-25-0x0000000000830000-0x0000000000867000-memory.dmp

          Filesize

          220KB

        • memory/1396-15-0x0000000002430000-0x0000000002441000-memory.dmp

          Filesize

          68KB

        • memory/1604-0-0x000000000034D000-0x0000000000351000-memory.dmp

          Filesize

          16KB

        • memory/1604-11-0x0000000004C60000-0x0000000004C64000-memory.dmp

          Filesize

          16KB

        • memory/1604-7-0x00000000021B0000-0x00000000021B1000-memory.dmp

          Filesize

          4KB

        • memory/1604-6-0x0000000006050000-0x0000000006054000-memory.dmp

          Filesize

          16KB

        • memory/1604-5-0x0000000005E50000-0x0000000005E54000-memory.dmp

          Filesize

          16KB

        • memory/1604-1-0x000000000034D000-0x0000000000351000-memory.dmp

          Filesize

          16KB

        • memory/1904-2-0x000007FEF66F0000-0x000007FEF696A000-memory.dmp

          Filesize

          2.5MB