Analysis

  • max time kernel
    117s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1241247499.xls

  • Size

    426KB

  • MD5

    add2876b1047fcb5423e3799a5b720e2

  • SHA1

    f04468344a5589fa0c53c7d5fd0911444d5a4b93

  • SHA256

    460ef6856f344414933fd4ca036f8d992cad2db1ef5496a6142570ee67e28721

  • SHA512

    692b5c174bb4b20ac3842bf39fd8ff022cdffb8a48070cc24ee636c3e8be9d454c1791db773549dd57519da709dabe49b2ca6987deccbdec18597f857fc7ac89

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 7 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-1241247499.xls
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1076
    • 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:692
      • C:\WErtu\Reterd\szvmhegu.exe
        C:\WErtu\Reterd\szvmhegu.exe /C
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:568
      • C:\Users\Admin\AppData\Roaming\Microsoft\Eiiiuc\erfqi.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Eiiiuc\erfqi.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Users\Admin\AppData\Roaming\Microsoft\Eiiiuc\erfqi.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Eiiiuc\erfqi.exe /C
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1680
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1676
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ynogliqna /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I ynogliqna" /SC ONCE /Z /ST 23:03 /ET 23:15
        3⤵
        • Creates scheduled task(s)
        PID:828
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8A7BFFF1-8B6B-40A8-A99F-BA898872A026} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\WErtu\Reterd\szvmhegu.exe
      C:\WErtu\Reterd\szvmhegu.exe /I ynogliqna
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1400

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/548-25-0x0000000000AC0000-0x0000000000AF7000-memory.dmp

          Filesize

          220KB

        • memory/568-15-0x0000000002400000-0x0000000002411000-memory.dmp

          Filesize

          68KB

        • memory/1076-8-0x0000000002120000-0x0000000002121000-memory.dmp

          Filesize

          4KB

        • memory/1076-11-0x0000000004DE0000-0x0000000004DE4000-memory.dmp

          Filesize

          16KB

        • memory/1076-7-0x0000000002F80000-0x0000000002F81000-memory.dmp

          Filesize

          4KB

        • memory/1076-6-0x00000000061B0000-0x00000000061B4000-memory.dmp

          Filesize

          16KB

        • memory/1076-5-0x00000000060C0000-0x00000000060C4000-memory.dmp

          Filesize

          16KB

        • memory/1680-24-0x0000000002410000-0x0000000002421000-memory.dmp

          Filesize

          68KB

        • memory/1804-2-0x000007FEF3600000-0x000007FEF387A000-memory.dmp

          Filesize

          2.5MB