Analysis

  • max time kernel
    138s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 08:46

General

  • Target

    7e860a4e29ec5db1a4178a33019254ea.exe

  • Size

    5.6MB

  • MD5

    7e860a4e29ec5db1a4178a33019254ea

  • SHA1

    c8ccabfae4b83851b9384a01d4ec3eeed2d74167

  • SHA256

    687be569737d64b043602602d674a718540bd04d2fc76d705aceb6fd158f7754

  • SHA512

    77c3d0948e23d99076284de8e9dc72d645a5d4d1cd93284f065c8e05c44c12cd7b6e6ed092ba17e2fd0d18fe9a4821dca15c216adca1089e048bbe56686fe470

  • SSDEEP

    98304:G19EN760TEEnbnr3NKFkP33pMHK0kuNwMpxDQxOGpmqtl4HHA7FyD/EzruNlvK:GvEN7LTdrdJPH2H+pMXQ7pEnA7FyD/Mp

Malware Config

Signatures

  • Detects Echelon Stealer payload 3 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 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.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e860a4e29ec5db1a4178a33019254ea.exe
    "C:\Users\Admin\AppData\Local\Temp\7e860a4e29ec5db1a4178a33019254ea.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Accesses Microsoft Outlook profiles
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:4488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 2884
      2⤵
      • Program crash
      PID:3696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4488 -ip 4488
    1⤵
      PID:2360

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4488-0-0x0000000000780000-0x00000000015BE000-memory.dmp

      Filesize

      14.2MB

    • memory/4488-1-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-2-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-3-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-4-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-5-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-6-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-7-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-8-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-9-0x00000000770D4000-0x00000000770D6000-memory.dmp

      Filesize

      8KB

    • memory/4488-12-0x0000000000780000-0x00000000015BE000-memory.dmp

      Filesize

      14.2MB

    • memory/4488-13-0x0000000000780000-0x00000000015BE000-memory.dmp

      Filesize

      14.2MB

    • memory/4488-14-0x0000000005CB0000-0x0000000005D16000-memory.dmp

      Filesize

      408KB

    • memory/4488-15-0x0000000000780000-0x00000000015BE000-memory.dmp

      Filesize

      14.2MB

    • memory/4488-16-0x0000000006C90000-0x0000000006D06000-memory.dmp

      Filesize

      472KB

    • memory/4488-20-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-21-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-22-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-23-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-25-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-26-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-27-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-28-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB

    • memory/4488-43-0x0000000007850000-0x00000000078E2000-memory.dmp

      Filesize

      584KB

    • memory/4488-49-0x00000000078F0000-0x000000000798C000-memory.dmp

      Filesize

      624KB

    • memory/4488-56-0x0000000007F40000-0x00000000084E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4488-65-0x0000000000780000-0x00000000015BE000-memory.dmp

      Filesize

      14.2MB

    • memory/4488-66-0x0000000075530000-0x0000000075620000-memory.dmp

      Filesize

      960KB