Analysis

  • max time kernel
    89s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-1037023553.xls

  • Size

    426KB

  • MD5

    9b5beadb9c377b508f69c5fdf38102d9

  • SHA1

    a7067511800ee1161d65eee3318bd41979dffd07

  • SHA256

    410ae3f12780e6a1a574b28c9cac59e8571970782fb04ee879af351ba14cbb6f

  • SHA512

    f16ab40a54a29c6ee34a2a2b5444b5f5890c31dc9ffcfbc121dec90297ae4c7a5e3ec1635e4d9fc303c6b374c442cc6cc32eb32b365fbf496d7e98f5cb927798

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-1037023553.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1204
    • 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:1992
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:384
      • C:\Users\Admin\AppData\Roaming\Microsoft\Xbyrbdpxsiv\uhihgfxo.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Xbyrbdpxsiv\uhihgfxo.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1396
        • C:\Users\Admin\AppData\Roaming\Microsoft\Xbyrbdpxsiv\uhihgfxo.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Xbyrbdpxsiv\uhihgfxo.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:580
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1680
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn bjcknbu /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I bjcknbu" /SC ONCE /Z /ST 23:00 /ET 23:12
        3⤵
        • Creates scheduled task(s)
        PID:620
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {88748DE9-4C9A-474C-BC85-F2ECBC551B9C} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I bjcknbu
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1556

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/384-15-0x00000000025E0000-0x00000000025F1000-memory.dmp

          Filesize

          68KB

        • memory/580-24-0x0000000002450000-0x0000000002461000-memory.dmp

          Filesize

          68KB

        • memory/1204-11-0x0000000004DC0000-0x0000000004DC4000-memory.dmp

          Filesize

          16KB

        • memory/1204-7-0x0000000002540000-0x0000000002541000-memory.dmp

          Filesize

          4KB

        • memory/1204-6-0x0000000005F70000-0x0000000005F74000-memory.dmp

          Filesize

          16KB

        • memory/1204-5-0x0000000006F70000-0x0000000006F74000-memory.dmp

          Filesize

          16KB

        • memory/1396-25-0x00000000020D0000-0x0000000002107000-memory.dmp

          Filesize

          220KB

        • memory/1536-2-0x000007FEF7C50000-0x000007FEF7ECA000-memory.dmp

          Filesize

          2.5MB