Resubmissions

03-03-2020 15:44

200303-bdsch48nyx 10

03-03-2020 15:10

200303-v6kyhmnnrs 8

Analysis

  • max time kernel
    135s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7v200217
  • submitted
    03-03-2020 15:44

General

  • Target

    MSG_986000.vbs

  • Size

    5.2MB

  • MD5

    bb7fbcd342edcef5b43904fe867edc2c

  • SHA1

    a6852667b3de27e6d6eb5820fd2d5267479bdffa

  • SHA256

    d41c66a9160ce7f0dd0d1360d8b8339a8276fc30215f4623ca88d0efad319346

  • SHA512

    2fa2ba7ebf5b624bcd30de80dd49763c1e787cf883ad6ab4a9e5ea286b0a40d4d317b4ba43f5a3e06d869b53f069ce030a793d6a3d7fc0b1e3998a6548253989

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Loads dropped DLL 3 IoCs
  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Adds Run entry to start application 2 TTPs 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MSG_986000.vbs"
    1⤵
    • Blacklisted process makes network request
    PID:1860
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1980
    • C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe
      "C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Loads dropped DLL
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe
        C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe /C
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        PID:1440
      • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        PID:1604
        • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe /C
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:752
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Adds Run entry to start application
          PID:1644
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jtgbwgrid /tr "\"C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe\" /I jtgbwgrid" /SC ONCE /Z /ST 16:47 /ET 16:59
        2⤵
        • Creates scheduled task(s)
        PID:376

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe

    • C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe

    • C:\Users\Admin\AppData\Local\Temp\TableOfColors.exe

    • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.dat

    • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe

    • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe

    • C:\Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe

    • \Users\Admin\AppData\Local\Temp\TableOfColors.exe

    • \Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe

    • \Users\Admin\AppData\Roaming\Microsoft\Cyuujswhia\ciynbw.exe

    • memory/752-11-0x0000000002370000-0x0000000002381000-memory.dmp

      Filesize

      68KB

    • memory/1440-5-0x0000000002220000-0x0000000002231000-memory.dmp

      Filesize

      68KB

    • memory/1604-12-0x0000000002220000-0x000000000225C000-memory.dmp

      Filesize

      240KB

    • memory/1860-0-0x0000000003870000-0x0000000003874000-memory.dmp

      Filesize

      16KB