Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19-07-2020 17:28

General

  • Target

    chthonic_0.3.29.0.vir.exe

  • Size

    228KB

  • MD5

    a9cedbccefb07a18d56a360be2aeb4bb

  • SHA1

    ed6043735ef990b3b9fa5fd53df82b3e577fc02a

  • SHA256

    51c8e10c77c9f131b207be4bff0e37a09cf4f24b3b941416ae22bc438d1730c4

  • SHA512

    610670b89af3014d303e55f6d90dce22edb9f7ac74e4a9f7c73952875884074180500deb5b8d98ff8824f443de848cce22aee972c9bdd6a6faca588b9bd8ef06

Score
8/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 116 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chthonic_0.3.29.0.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\chthonic_0.3.29.0.vir.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Identifies Wine through registry keys
    PID:748
    • C:\Users\Admin\AppData\Roaming\Adobe\xpersAdobe.exe
      "C:\Users\Admin\AppData\Roaming\Adobe\xpersAdobe.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious behavior: EnumeratesProcesses
      • Identifies Wine through registry keys
      • Adds Run key to start application
      PID:3496
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp012d5d7f.bat"
      2⤵
        PID:3740

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp012d5d7f.bat
    • C:\Users\Admin\AppData\Roaming\Adobe\xpersAdobe.exe
    • C:\Users\Admin\AppData\Roaming\Adobe\xpersAdobe.exe
    • memory/3496-0-0x0000000000000000-mapping.dmp
    • memory/3740-3-0x0000000000000000-mapping.dmp