Analysis

  • max time kernel
    4294213s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    20-03-2022 06:13

General

  • Target

    ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe

  • Size

    980KB

  • MD5

    83246ee3f6cbb10825e5eab9172ef4b6

  • SHA1

    1c6456cea8fc52e57ba668f3343b763eb99de4b5

  • SHA256

    ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004

  • SHA512

    816b133e947dc1d27e377fdb6646e42b11eab5597f5ab568db6c3072c14b8ca28cee92a38db2ae8554284f2023b2019f88f57c7d403371b778ccde2e420c7a54

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\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe
    "C:\Users\Admin\AppData\Local\Temp\ea3d71e7b8cb5d222744d4c2252b72924bed51a63119e8990a85fb17ff93f004.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:1104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1104-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

    Filesize

    8KB

  • memory/1104-55-0x0000000000610000-0x00000000006E5000-memory.dmp

    Filesize

    852KB

  • memory/1104-56-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB

  • memory/1104-57-0x0000000000400000-0x0000000000608000-memory.dmp

    Filesize

    2.0MB