Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-03-2024 01:19

General

  • Target

    f78995fd865b6f50c2cdb18c589216238b539b2fa635b89061b1ab4644053f6c.exe

  • Size

    1.4MB

  • MD5

    2c79e627d6cbe94d0f577a6f828ca839

  • SHA1

    fc8b24ea84099560d82b96e784a00294568e3740

  • SHA256

    f78995fd865b6f50c2cdb18c589216238b539b2fa635b89061b1ab4644053f6c

  • SHA512

    e5751126ce586830931b53cc1963074041aef7b2ad3f3bc627d6b2c61b6b249fe7969b657c74dc97cd758760ab8092714188fc8422c6ddfa16e38c37a320075b

  • SSDEEP

    24576:7970JbUadeO+P9AYU4IIH3JyN4yCHMSXZVM3CM5cPVbVOsIogCjh9A+NIdWs:BIJYad8AzU3Jy/CHJpm3CM5ctVO5ogOY

Malware Config

Signatures

  • Detects Echelon Stealer payload 2 IoCs
  • Echelon

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

  • Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
  • Detects executables referencing many VPN software clients. Observed in infosteslers 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • Detects executables using Telegram Chat Bot 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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.

  • 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 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f78995fd865b6f50c2cdb18c589216238b539b2fa635b89061b1ab4644053f6c.exe
    "C:\Users\Admin\AppData\Local\Temp\f78995fd865b6f50c2cdb18c589216238b539b2fa635b89061b1ab4644053f6c.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 2208
      2⤵
      • Program crash
      PID:4296
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3668 -ip 3668
    1⤵
      PID:1692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3668-0-0x0000000000DF0000-0x00000000011EE000-memory.dmp

      Filesize

      4.0MB

    • memory/3668-1-0x0000000000DF0000-0x00000000011EE000-memory.dmp

      Filesize

      4.0MB

    • memory/3668-2-0x0000000073E80000-0x0000000074630000-memory.dmp

      Filesize

      7.7MB

    • memory/3668-3-0x0000000005940000-0x00000000059A6000-memory.dmp

      Filesize

      408KB

    • memory/3668-4-0x0000000005930000-0x0000000005940000-memory.dmp

      Filesize

      64KB

    • memory/3668-5-0x0000000006870000-0x00000000068E6000-memory.dmp

      Filesize

      472KB

    • memory/3668-26-0x0000000007450000-0x00000000074E2000-memory.dmp

      Filesize

      584KB

    • memory/3668-32-0x0000000007AA0000-0x0000000008044000-memory.dmp

      Filesize

      5.6MB

    • memory/3668-33-0x00000000074F0000-0x000000000758C000-memory.dmp

      Filesize

      624KB

    • memory/3668-42-0x0000000000DF0000-0x00000000011EE000-memory.dmp

      Filesize

      4.0MB

    • memory/3668-44-0x0000000000DF0000-0x00000000011EE000-memory.dmp

      Filesize

      4.0MB

    • memory/3668-45-0x0000000073E80000-0x0000000074630000-memory.dmp

      Filesize

      7.7MB