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Overview

overview

10

Static

static

10

b1976b3146...91.exe

windows7-x64

9

b1976b3146...91.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2024, 23:27

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General

  • Target

    b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe

  • Size

    163KB

  • MD5

    b90826c2cfe9e85aec894e649f6b42ea

  • SHA1

    d142b6eaa7cc38946421328ea4bec836e2a5ae11

  • SHA256

    b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391

  • SHA512

    9d867447ba1a3270af595fbae87721d8d9084bfe15224d70831e07a214505fedf64c42998197908439e0da4a21f0f994763cb3fc0f183bb4b5d04e24edb8dbbc

  • SSDEEP

    3072:0ljbLl/gvQoutHQLJ53NEi6as0aouH8WGuava:SjluQoSHQx6asF8WGuaC

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 9 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 9 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\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
    "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.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:1160
    • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
      "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
        "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3576
    • C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe
      "C:\Users\Admin\AppData\Local\Temp\b1976b314664bd97173816561df200c41ddb3f6065340a525b8057bfcf113391.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\horse girls .mpg.exe
    Filesize

    1.2MB

    MD5

    515742d16440221272f99c01cb40ac78

    SHA1

    515d67fd239ac329c4096a50771501c3cb940e6c

    SHA256

    f6b3d3fee1ab906b5f084cb9e796a48e3282476c611c13406cb2e697fa49edf1

    SHA512

    f4633b40f8fa3ecf7c75529e841947d45d13c6ff464f68dafd68218417974a3d88877c1a9d02dffe0b940ae91df4901a8b9ee05266cfc89ca5b08985728f29cf

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  • memory/1160-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/1160-193-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3108-164-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3108-197-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3576-167-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3576-199-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3668-131-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/3668-196-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download