Overview

overview

10

Static

static

10

b8bd483bc3...43.exe

windows7-x64

9

b8bd483bc3...43.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 01:39

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General

  • Target

    b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe

  • Size

    1.3MB

  • MD5

    3aae777e2adefc6d2b8b11af37e61680

  • SHA1

    7b37e9cac7e2860720eaee087c679e5d0577a0e4

  • SHA256

    b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43

  • SHA512

    80a8deb1300c9fc858c1d204a1e2edaaec46e4d9d12c0bff9d621e65b4d5e44a91b635e289894c921e42a3f6acbc19da55e3d5c4219474201d49066473a2b7c0

  • SSDEEP

    24576:bH3TFIqFB2TcMzMKgSJF4ZaXTYvOrxQ6GgGg2pMCKlNVZ0+dI/xdL1tPl:j3TFIqFB24MAKfJCviRRGg2pgjVZ9Ubl

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 2 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • 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 5 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe
    "C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe"
    1⤵
    • 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:2292
    • C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe
      "C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe
        "C:\Users\Admin\AppData\Local\Temp\b8bd483bc39ffb5f8cb6cd843664ea412dadf786f6860e59508c80a3d5bf6f43.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\asian xxx hardcore public ash (Jenna,Sonja).zip.exe
    Filesize

    1.9MB

    MD5

    e35adf35da56a013f8296eb8c6f5eb88

    SHA1

    e9fdede140a6501ac332dadc68f249bd761e3af8

    SHA256

    9bf85914bdb0bd61e603edf323f374a85a22302384a0ea9f0f06f6c75ae39c21

    SHA512

    5545e25c35bf8f4933f97629b16eef67065904a137cc5e7583f33bef52d2de9c3508afdca102a6d1d75ed5b3ed172f01a48b2a3af687ee76e75409abe7e15c83

    Download Submit

  • memory/1640-91-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/2292-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/2292-61-0x0000000005150000-0x0000000005179000-memory.dmp

    Filesize

    164KB

    Download

  • memory/2828-62-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

    Download

  • memory/2828-90-0x0000000001EE0000-0x0000000001F09000-memory.dmp

    Filesize

    164KB

    Download