Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    19-07-2020 19:44

General

  • Target

    pandabanker_2.2.6.vir.exe

  • Size

    294KB

  • MD5

    1a691f702e35fb79d95eb4f18a8b3cfb

  • SHA1

    3bd22c45350794e482a021e0d031769fbbbcc53c

  • SHA256

    1e1684d4513c0c3ad9d15fb28b65edbb505977729bc60c61dd7f69c484bc08a2

  • SHA512

    b38278b12e59ba5fa2ae44e0dabc542748bb7c3ee03d0dc00c191076d4a84c7e4793b341608a8bae3c310990d9f5f8969fefb470ca0d0d108da9cd51779e0da2

Malware Config

Signatures

  • Looks for VMWare Tools registry key 2 TTPs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 252 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • NSIS installer 3 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Loads dropped DLL 6 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • Executes dropped EXE 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pandabanker_2.2.6.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\pandabanker_2.2.6.vir.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\pandabanker_2.2.6.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\pandabanker_2.2.6.vir.exe"
      2⤵
      • Identifies Wine through registry keys
      • Suspicious behavior: EnumeratesProcesses
      • Checks BIOS information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe
        "C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        PID:2144
        • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe
          "C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          • Executes dropped EXE
          PID:2804
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe -k netsvcs
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Adds Run key to start application
            • Modifies system certificate store
            PID:3668
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe -k netsvcs
            5⤵
              PID:4024
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upd3d8c6b98.bat"
          3⤵
            PID:3896

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Virtualization/Sandbox Evasion

      4
      T1497

      Modify Registry

      2
      T1112

      Install Root Certificate

      1
      T1130

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      5
      T1012

      Virtualization/Sandbox Evasion

      4
      T1497

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\upd3d8c6b98.bat
      • C:\Users\Admin\AppData\Roaming\AUTHORS
      • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe
      • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe
      • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\DC\UndoClose.exe
      • C:\Users\Admin\AppData\Roaming\Bogey.a
      • C:\Users\Admin\AppData\Roaming\NsRandom.dll
      • C:\Users\Admin\AppData\Roaming\SplitOdor.XSr
      • C:\Users\Admin\AppData\Roaming\filezilla.mo
      • C:\Users\Admin\AppData\Roaming\reconnect.png
      • C:\Users\Admin\AppData\Roaming\toolbar.xml
      • \Users\Admin\AppData\Local\Temp\nss4DD9.tmp\System.dll
      • \Users\Admin\AppData\Local\Temp\nst116C.tmp\System.dll
      • \Users\Admin\AppData\Roaming\NsRandom.dll
      • \Users\Admin\AppData\Roaming\NsRandom.dll
      • \Users\Admin\AppData\Roaming\NsRandom.dll
      • \Users\Admin\AppData\Roaming\NsRandom.dll
      • memory/1536-5-0x0000000000400000-0x0000000000423000-memory.dmp
        Filesize

        140KB

      • memory/1536-4-0x000000000040C65A-mapping.dmp
      • memory/1536-3-0x0000000000400000-0x0000000000423000-memory.dmp
        Filesize

        140KB

      • memory/2144-6-0x0000000000000000-mapping.dmp
      • memory/2804-20-0x000000000040C65A-mapping.dmp
      • memory/3668-23-0x0000000000000000-mapping.dmp
      • memory/3896-24-0x0000000000000000-mapping.dmp
      • memory/4024-26-0x0000000000000000-mapping.dmp