Overview

overview

10

Static

static

10

b91fd99dd7...7e.exe

windows7-x64

9

b91fd99dd7...7e.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 02:48

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General

  • Target

    b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe

  • Size

    578KB

  • MD5

    b6758c1f073a88105e790ada91898990

  • SHA1

    a423b3a86a2c609b624f59c5bd8dea5b3e5c6d83

  • SHA256

    b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e

  • SHA512

    784a22afe311cfe69ee2e1cda2d0ce8f54d0b797e2f02c58bff4c2589c060d41c08ca659b058e5e18e1bc2290809dfb475b49afc00ff702742ae2b06a21c33df

  • SSDEEP

    12288:VEQoSE72WTB0vyhN1cGdpY1cq4HtdPcaGr3iUE3or:V672xCN1/m54HtdPcHyUt

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 3 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\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe
    "C:\Users\Admin\AppData\Local\Temp\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.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:2724
    • C:\Users\Admin\AppData\Local\Temp\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe
      "C:\Users\Admin\AppData\Local\Temp\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Users\Admin\AppData\Local\Temp\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe
        "C:\Users\Admin\AppData\Local\Temp\b91fd99dd71f4bbc28bbf167d8839543143d2e464ddbb27d9bb1b575f22c157e.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\kicking trambling full movie hotel (Jade,Jenna).rar.exe
    Filesize

    1.9MB

    MD5

    b346b7135fef77257eb3466cc4362ee7

    SHA1

    5b3e9c88bf1a20f42a2309f31a63b32db87e71b3

    SHA256

    bba341c275a8f891fbd0b101bde59649b477500577509e56f99961839a4df337

    SHA512

    3d623778bcfb0f4cd2c3724ce08a802215c1ad4492be9f9e93dd13b7bfd7e3f743ec78b130aab1d061bbab28fb70357e8b578591780ee97339e23aae26615744

    Download Submit

  • memory/2204-89-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2204-111-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2420-79-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2420-88-0x0000000004900000-0x000000000491F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2420-109-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2420-110-0x0000000004900000-0x000000000491F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2724-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2724-78-0x0000000004640000-0x000000000465F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2724-106-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

    Download

  • memory/2724-108-0x0000000004640000-0x000000000465F000-memory.dmp

    Filesize

    124KB

    Download