Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29/10/2020, 05:01

General

  • Target
    doc_pack-253902701.xlsb
  • Size 24KB
  • Sample201029-xb64vxqxtj
  • SHA256 cc78d81463a39e2f8e8907261d23ebb8c17e738086eed83c6d1433952f73e35a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • qakbot

Botnet
  • tr01

Campaign
  • 1603793855

C2
  • 50.104.68.223:443

  • 89.137.211.239:443

  • 95.77.223.148:443

  • 197.37.69.138:993

  • 68.174.15.223:443

  • 103.238.231.35:443

  • 36.77.151.211:443

  • 72.16.56.171:443

  • 45.47.65.191:443

  • 189.231.212.189:443

  • 106.51.52.111:443

  • 24.55.66.125:443

  • 39.37.247.97:995

  • 108.190.151.108:2222

  • 203.198.96.61:443

  • 73.228.1.246:443

  • 35.134.202.234:443

  • 188.50.230.249:995

  • 86.120.64.150:2222

  • 5.14.126.153:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Executes dropped EXE 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-253902701.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\hgoitk\nkorpy\exlwhtih.exe
      "C:\hgoitk\nkorpy\exlwhtih.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\hgoitk\nkorpy\exlwhtih.exe
        C:\hgoitk\nkorpy\exlwhtih.exe /C
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        PID:1332
      • C:\Users\Admin\AppData\Roaming\Microsoft\Ngtypiklx\udtezm.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Ngtypiklx\udtezm.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3120
        • C:\Users\Admin\AppData\Roaming\Microsoft\Ngtypiklx\udtezm.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Ngtypiklx\udtezm.exe /C
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          PID:1884
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2592
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn znjjvbbn /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I znjjvbbn" /SC ONCE /Z /ST 06:11 /ET 06:23
        3⤵
        • Creates scheduled task(s)
        PID:3200

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1332-6-0x0000000002720000-0x0000000002721000-memory.dmp

        memory/1884-13-0x00000000027D0000-0x00000000027D1000-memory.dmp

        memory/3120-14-0x00000000020F0000-0x0000000002127000-memory.dmp

        memory/3372-0-0x00007FF8964F0000-0x00007FF896B27000-memory.dmp