Overview

overview

10

Static

static

10

439ec721d7...72.exe

windows7-x64

9

439ec721d7...72.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 19:32

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General

  • Target

    439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe

  • Size

    246KB

  • MD5

    d6c04c2e0c987027abfecd73c8a40223

  • SHA1

    8c35e1c0b200aa43ee13fb5a1657782700677ec2

  • SHA256

    439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972

  • SHA512

    14519a8d14b44d234cea0d091fbd63a445b630dab77b33d53466e5459343bbe0af1d606b627cc4b9f2c9527649a12f321d4292552ead82162d09577f40533917

  • SSDEEP

    6144:tjluQoSDIo5R4nM/40yJNUWjJ+KaSrdtHrLpyYEIv5dQJLAlvJ6mOJ0phN:tEQoS9qhTASHL9yYEIvbQFAlvJ6mOW

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe
    "C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe
      "C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe
        "C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3904
    • C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe
      "C:\Users\Admin\AppData\Local\Temp\439ec721d758f5aa1faffbb9bb4285b8ad0237b0944960d1667158d43c408972.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4376

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\indian action trambling girls (Melissa).mpeg.exe
          Filesize

          443KB

          MD5

          083c1b9ddde8a22bfd9e8ca7baed74cb

          SHA1

          f65f45153322f662c9312fb75a64a48ce74e5d9b

          SHA256

          ca6178227cb38df5977896a3e387c23c92dc4f686aaa2efece9024fd47a05181

          SHA512

          a6f171983c2e83b7463ba3cb24cc62aceac5ed03538c2476689d9b0f85e462f001745dea1826eb40ef6a5bf5c0fd738802487973fd92904ab946503eba0df364

          Download Submit

        • memory/3904-180-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/3988-36-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/3988-178-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4376-179-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-199-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-208-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-182-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-183-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-189-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-0-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-203-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-177-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-212-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-216-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-220-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-224-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-228-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-232-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-236-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download

        • memory/4528-240-0x0000000000400000-0x000000000041D000-memory.dmp

          Filesize

          116KB

          Download