Analysis

  • max time kernel
    147s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1202565946.xls

  • Size

    426KB

  • MD5

    3ecc724d353c5fc3660cc5905cc559a6

  • SHA1

    554a1d3aa2f83d95666d37c11672c38770dd03a4

  • SHA256

    ba2c99ae321dfbcdd3eb1db3c235d5629fa377aae00a5860fd0c8e5d722da506

  • SHA512

    a85e9978473f85dda830171e8d0ccaa883dbca4b1df7b939b0035ab22dc6e03cade5c6291c8e039352e4add0d0f722817b943dae9e30bf1285de793e99934cec

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-1202565946.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • 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:2016
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1772
      • C:\Users\Admin\AppData\Roaming\Microsoft\Fkuiwir\jagiwbj.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Fkuiwir\jagiwbj.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1020
        • C:\Users\Admin\AppData\Roaming\Microsoft\Fkuiwir\jagiwbj.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Fkuiwir\jagiwbj.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1704
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1820
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn knwfaarr /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I knwfaarr" /SC ONCE /Z /ST 00:56 /ET 01:08
        3⤵
        • Creates scheduled task(s)
        PID:1716
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A991E61E-AC78-44A1-B3C0-9352F3DA38D3} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I knwfaarr
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1020-23-0x00000000004F0000-0x0000000000527000-memory.dmp

          Filesize

          220KB

        • memory/1480-5-0x0000000006F10000-0x0000000006F14000-memory.dmp

          Filesize

          16KB

        • memory/1480-9-0x0000000004C30000-0x0000000004C34000-memory.dmp

          Filesize

          16KB

        • memory/1480-6-0x0000000005F10000-0x0000000005F14000-memory.dmp

          Filesize

          16KB

        • memory/1704-22-0x0000000002500000-0x0000000002511000-memory.dmp

          Filesize

          68KB

        • memory/1772-13-0x00000000024A0000-0x00000000024B1000-memory.dmp

          Filesize

          68KB

        • memory/1880-2-0x000007FEF76E0000-0x000007FEF795A000-memory.dmp

          Filesize

          2.5MB