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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 11:59

General

  • Target

    VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe

  • Size

    803KB

  • MD5

    21450cdf5b7b9ec242562798c6c31a59

  • SHA1

    625ec4872d88f5e9d33f4644c435f100f91e9849

  • SHA256

    c326e51ec81e0965c4d8eb91dffb932fd8e688884fa5094acb164568bdefecda

  • SHA512

    6bd6a49e8a6e3596c4ca086028177b43ecf38cea7762d8f7c4fced7c0c478c87fbd24db92bf02757eaad35f0fc4997ad29446097fa7076b371172e912bbd4641

  • SSDEEP

    12288:IevKZvYWDBPzxBC31Fr181AeKX+IPzE0pRrmwYCi4jgHqdfdBvaQ5dxpcs3zmF:EZRV/CO1bczZR7iBHqd75djU

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 3 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

Processes

  • C:\Users\Admin\AppData\Local\Temp\VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusShare_21450cdf5b7b9ec242562798c6c31a59.exe"
    1⤵
    • Adds Run key to start application
    PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1956-0-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-2-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-3-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1956-1-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-4-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-5-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-6-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/1956-8-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB