Overview

overview

10

Static

static

10

b5c8771e13...d1.exe

windows7-x64

9

b5c8771e13...d1.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:10

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General

  • Target

    b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe

  • Size

    485KB

  • MD5

    08f8754871a876dfc65d1155eab196f8

  • SHA1

    130154496ba9127ec0d2494063e68c403a11d813

  • SHA256

    b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1

  • SHA512

    640027ac43c2cfad098de2a62074cee4c56cd6732001c3e0d1c8e548158f2c7ecede104432b76f632102f4304ca09e24c679de63ba985cffda760fb889f9401b

  • SSDEEP

    12288:xEQoS+qh5qj0Zs1elNma/3aJ3iCLhoJCIALVT:xn5qUsc3aNLaJtC

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 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 7 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\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe
    "C:\Users\Admin\AppData\Local\Temp\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.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:2336
    • C:\Users\Admin\AppData\Local\Temp\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe
      "C:\Users\Admin\AppData\Local\Temp\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Local\Temp\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe
        "C:\Users\Admin\AppData\Local\Temp\b5c8771e1328f1183c9e6497ba9ebae2d935e7b9f9678f8ce43cabdbf97b57d1.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\danish nude horse catfight swallow .rar.exe
    Filesize

    1.5MB

    MD5

    828419a95d7f67e91a993344d43dad5e

    SHA1

    34f8a05161a72825f11dd7d2b18f40ba9874ebb3

    SHA256

    5a450d2ae75dc792c301cd0f5a29722403518a4c3954dd5bb3512fd0d102adef

    SHA512

    5c8d35e29e3e87dd7b4ee29183a15b180b0a82295cc0d335e83e7c37068a29717f432e3dffdc6cfc966b932332a7f098e528f00ae549dec6fca8de152447e44c

    Download Submit

  • memory/2152-84-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2152-111-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2336-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2336-53-0x0000000004820000-0x000000000483D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2336-105-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2336-107-0x0000000004820000-0x000000000483D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2564-54-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2564-83-0x0000000004B90000-0x0000000004BAD000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2564-109-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/2564-110-0x0000000004B90000-0x0000000004BAD000-memory.dmp

    Filesize

    116KB

    Download