Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2022 15:57

General

  • Target

    6c5a58b7e7788ca66dc9e34d25aeaf9c.exe

  • Size

    1.1MB

  • MD5

    6c5a58b7e7788ca66dc9e34d25aeaf9c

  • SHA1

    2be6196a12b76f09ba4d4fbfd7f62c56b05ceb0c

  • SHA256

    448e299e8b9a9fe5e4c89b5192aa3034be37588366172ceba7db9f5816d18523

  • SHA512

    4219e1219042f7f2355807ed7f68dcf4dcfdd9827ef4f277b39d7aafdaba71eb939acbc473f6352285faf6ac5d7376f666ed95f4ced37f12cb51e381154645fa

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • UPX packed file 3 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\6c5a58b7e7788ca66dc9e34d25aeaf9c.exe
    "C:\Users\Admin\AppData\Local\Temp\6c5a58b7e7788ca66dc9e34d25aeaf9c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/640-54-0x0000000076921000-0x0000000076923000-memory.dmp

    Filesize

    8KB

  • memory/640-55-0x0000000001EC0000-0x0000000001F95000-memory.dmp

    Filesize

    852KB

  • memory/640-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/640-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/640-58-0x0000000001EC0000-0x0000000001F95000-memory.dmp

    Filesize

    852KB

  • memory/640-59-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB