Overview

overview

10

Static

static

10

28b93de022...08.exe

windows7-x64

9

28b93de022...08.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:36

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General

  • Target
    28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe
  • Size 746KB
  • Sample240403-ybgmraba33
  • SHA256 28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 17 IoCs
  • UPX dump on OEP (original entry point) 20 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 20 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\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe
    "C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.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:1896
    • C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe
      "C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe
        "C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:392
    • C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe
      "C:\Users\Admin\AppData\Local\Temp\28b93de022f4184f133849c52de66a0ab70aafb1621ed7b972f9a4de137d2508.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        lesbian [bangbus] fishy (Anniston).avi.exe
        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\lesbian [bangbus] fishy (Anniston).avi.exe
        • Size 2.0MB
        • SHA256 1f4f18189dcc23630e397f9af6ed099e853b82a86ce67d090b61414c7f06d2e4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/392-185-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-206-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-211-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-243-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-239-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-235-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-186-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-192-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-202-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-0-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-181-0x0000000000400000-0x000000000041C000-memory.dmp
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        memory/1896-215-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-219-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-223-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-227-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/1896-231-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/3300-184-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/5036-115-0x0000000000400000-0x000000000041C000-memory.dmp
        Download

        memory/5036-182-0x0000000000400000-0x000000000041C000-memory.dmp
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