Overview

overview

10

Static

static

10

3b43dd8654...0b.exe

windows7-x64

9

3b43dd8654...0b.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 22:24

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe

  • Size

    389KB

  • MD5

    db8cf0f41e74c1dcfa62e251b8af1b9e

  • SHA1

    2fa325795e38abe5dba633bb7da530dbee7d1e6c

  • SHA256

    3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b

  • SHA512

    37e5e5ae66738177ae017b298c5e1102cea47f0cf435c394f1305ca9853535f34801041bc2e667baa1c77aa2653034ef9d0050158dc3eebed4a4a70a27cb83f5

  • SSDEEP

    12288:YEQoSpqhWdrkXaoCho5f7cAqHUZjbQiOponcI:YiW2XBCho5f74HUZQpocI

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
  • 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 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 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe
    "C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.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:4640
    • C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe
      "C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe
        "C:\Users\Admin\AppData\Local\Temp\3b43dd8654a0add54f17e52758fc43bdabe9230f1445168ee03b74fc4d80850b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:216

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\italian beast xxx public (Sarah).rar.exe
          Filesize

          372KB

          MD5

          1caadb1ff7474ea8d7033e0ce67ee0cc

          SHA1

          6dd7ece97a72b6160c76eb53e0565b59e4a38266

          SHA256

          b52bffc4d6a0bf9b0ae2fcfa0f42711d287208618ed4d3e9e30a3838aa31878a

          SHA512

          3081445f3bbdd0c56796eb5153b127423528d2df8ef41cd349f5c3b30578e092e4c6431ba3a46a67db0b7666338268eaab9d634c497609977d0abee26cb89d44

          Download Submit

        • memory/216-153-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download

        • memory/216-196-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download

        • memory/456-23-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download

        • memory/456-195-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4640-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download

        • memory/4640-193-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

          Download