Analysis

  • max time kernel
    154s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-04-2022 04:07

General

  • Target

    1c.exe

  • Size

    1004KB

  • MD5

    592b12b5a4d9beec0c8914fcb36a8f30

  • SHA1

    ae094c72b8c774cd9e573e12500c0869ece074aa

  • SHA256

    f02008f3656a77dcb5e4ca16153acfb649cf2717b1d60e58fe17073b452c6403

  • SHA512

    54c1c96c03f114976b5ccd56382bb1edb315bf21feb40a887e046dff9f5e33cfa29238c6a35218a85ab757a24b51343dfc451d2114fd89f9cc1e8630f5fb5c5b

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c.exe
    "C:\Users\Admin\AppData\Local\Temp\1c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1688-54-0x0000000000220000-0x00000000002F5000-memory.dmp

    Filesize

    852KB

  • memory/1688-55-0x0000000075E31000-0x0000000075E33000-memory.dmp

    Filesize

    8KB

  • memory/1688-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/1688-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB