Resubmissions

08-03-2024 15:04

240308-sfnzqsaa47 10

Analysis

  • max time kernel
    458s
  • max time network
    462s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 11:53

General

  • Target

    bb8fce33b3478355c5a6c4f52f6ff83b.exe

  • Size

    1.1MB

  • MD5

    bb8fce33b3478355c5a6c4f52f6ff83b

  • SHA1

    81ed80cb69b5c6e65bff71b8c53160a467099475

  • SHA256

    6192163bbb9343a274904093b94d6b12111a88bf24b58cbf9ed2c1463503e022

  • SHA512

    a1f9bad36ff0a866db0aaf918cd70ed235c1bf1679dbadea8a5e2746686e2736833e7fe10d6caec459106e90ad9efdd55ca2b66afb1b2f7c507cd46363cbed69

  • SSDEEP

    24576:UlTshPoDiXbNSXIN6L/Y1ja1zwdY4k2A/QaFcEYZFj:UshPjNSXGic+FwTbA4SR2

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 8 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe
    "C:\Users\Admin\AppData\Local\Temp\bb8fce33b3478355c5a6c4f52f6ff83b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2264-0-0x00000000002D0000-0x00000000003A5000-memory.dmp

    Filesize

    852KB

  • memory/2264-1-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-2-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-3-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-4-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-5-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-8-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-11-0x00000000002D0000-0x00000000003A5000-memory.dmp

    Filesize

    852KB

  • memory/2264-12-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/2264-13-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB