Analysis

  • max time kernel
    128s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-1203300213.xls

  • Size

    426KB

  • MD5

    c6b38dcab6e1b5b4b3ca556b67653dd1

  • SHA1

    0dce1f72d900cc49a9349947f82f2e761969ac89

  • SHA256

    45a5e829807c937cca390c5f3bc7445ca14cd8e8ed7a743b3f2a6e30cb08eaab

  • SHA512

    19766a964c4b6c9809d8888dfb2fdb0da8c164231e9ab683863a1634ae1f9527e0798df50998097b9d8ebc294b19cd94dba9adf07102c3ae986f2d2c0ae5ce78

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-1203300213.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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:1444
      • C:\Users\Admin\AppData\Roaming\Microsoft\Imigxprsjy\aiyay.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Imigxprsjy\aiyay.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:428
        • C:\Users\Admin\AppData\Roaming\Microsoft\Imigxprsjy\aiyay.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Imigxprsjy\aiyay.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1896
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:304
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gmjyfme /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I gmjyfme" /SC ONCE /Z /ST 01:01 /ET 01:13
        3⤵
        • Creates scheduled task(s)
        PID:544
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {368B4D6D-DC0F-45F8-86A1-7019CB634D48} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I gmjyfme
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1552

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/428-23-0x0000000000540000-0x0000000000577000-memory.dmp

          Filesize

          220KB

        • memory/1444-13-0x00000000024D0000-0x00000000024E1000-memory.dmp

          Filesize

          68KB

        • memory/1508-9-0x0000000004E00000-0x0000000004E04000-memory.dmp

          Filesize

          16KB

        • memory/1508-6-0x0000000006110000-0x0000000006114000-memory.dmp

          Filesize

          16KB

        • memory/1508-5-0x0000000007110000-0x0000000007114000-memory.dmp

          Filesize

          16KB

        • memory/1616-2-0x000007FEF7A80000-0x000007FEF7CFA000-memory.dmp

          Filesize

          2.5MB

        • memory/1896-22-0x0000000002510000-0x0000000002521000-memory.dmp

          Filesize

          68KB