Analysis

  • max time kernel
    100s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1373255188.xls

  • Size

    426KB

  • MD5

    b6c92adbda05dde1b60a6643415e705b

  • SHA1

    79fb600f7cb614ed07a91d5000c43e67c9859293

  • SHA256

    c9b3cda8ab9fd7374efdc037a97bf8a46c371403319d708d53e66537d022a5af

  • SHA512

    4a61c1d0f531aa88329180c4136c51be4e76d330ebcd0602c05cb652dd7421f7d953881eea6dcad0fa8b98a8144d84c460908e0a1e751b386ec067d83c6ca31a

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-1373255188.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1324
    • 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:1132
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:560
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ifmnu\ukovtlq.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ifmnu\ukovtlq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ifmnu\ukovtlq.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ifmnu\ukovtlq.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1448
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:272
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn crwbuhse /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I crwbuhse" /SC ONCE /Z /ST 23:38 /ET 23:50
        3⤵
        • Creates scheduled task(s)
        PID:308
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {EC9729DD-BB2C-45F5-ABFE-653D4117C4F0} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I crwbuhse
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1076

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/396-23-0x0000000001DA0000-0x0000000001DD7000-memory.dmp

          Filesize

          220KB

        • memory/560-13-0x0000000002540000-0x0000000002551000-memory.dmp

          Filesize

          68KB

        • memory/1252-2-0x000007FEF6300000-0x000007FEF657A000-memory.dmp

          Filesize

          2.5MB

        • memory/1324-9-0x0000000004CC0000-0x0000000004CC4000-memory.dmp

          Filesize

          16KB

        • memory/1324-6-0x0000000005F70000-0x0000000005F74000-memory.dmp

          Filesize

          16KB

        • memory/1324-5-0x0000000006F70000-0x0000000006F74000-memory.dmp

          Filesize

          16KB

        • memory/1448-22-0x0000000002510000-0x0000000002521000-memory.dmp

          Filesize

          68KB