Analysis

  • max time kernel
    150s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7
  • 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

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Deletes itself 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 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 246 IoCs
  • Executes dropped EXE 2 IoCs
  • NSIS installer 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Modifies system certificate store 2 TTPs 7 IoCs

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⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
        "C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1428
        • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
          "C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1588
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe -k netsvcs
            5⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Modifies system certificate store
            PID:1516
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\SysWOW64\svchost.exe -k netsvcs
            5⤵
              PID:1816
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\updc89f72e2.bat"
          3⤵
          • Deletes itself
          PID:1036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Virtualization/Sandbox Evasion

    4
    T1497

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    5
    T1012

    System Information Discovery

    1
    T1082

    Virtualization/Sandbox Evasion

    4
    T1497

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\updc89f72e2.bat
    • C:\Users\Admin\AppData\Roaming\AUTHORS
    • C:\Users\Admin\AppData\Roaming\Bogey.a
    • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
    • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
    • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
    • 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\nsk44BD.tmp\System.dll
    • \Users\Admin\AppData\Local\Temp\nsvA2E.tmp\System.dll
    • \Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sessionstore.exe
    • \Users\Admin\AppData\Roaming\NsRandom.dll
    • \Users\Admin\AppData\Roaming\NsRandom.dll
    • memory/1036-23-0x0000000000000000-mapping.dmp
    • memory/1312-4-0x0000000000400000-0x0000000000423000-memory.dmp
      Filesize

      140KB

    • memory/1312-3-0x000000000040C65A-mapping.dmp
    • memory/1312-2-0x0000000000400000-0x0000000000423000-memory.dmp
      Filesize

      140KB

    • memory/1428-6-0x0000000000000000-mapping.dmp
    • memory/1516-22-0x0000000000000000-mapping.dmp
    • memory/1588-19-0x000000000040C65A-mapping.dmp
    • memory/1816-25-0x0000000000000000-mapping.dmp