Analysis

  • max time kernel
    73s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    19-07-2020 19:48

Errors

Reason
Machine shutdown

General

  • Target

    chthonic_2.23.21.2.vir.exe

  • Size

    987KB

  • MD5

    d8adacb5999a4f749cbd433067ba4afa

  • SHA1

    dcc5632ebdf87c68c5eb52f193651385022a5bdf

  • SHA256

    ec47184e810be9dda3a85a4ccd42abfffe818b49bd2262774991fec10604dcff

  • SHA512

    e9dd5b39726369b67fcd6ee8ff44ee3ef2dee2ce63e2ee54d098a1c55f5c4688483526ab4f0ce384e6f0d75bacecb38c4b0d86ea7c58a39374f2403aae3e2255

Score
7/10

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 973 IoCs
  • Drops file in Windows directory 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Loads dropped DLL 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.21.2.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.21.2.vir.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Drops file in Windows directory
    • Adds Run key to start application
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious behavior: GetForegroundWindowSpam
    • Loads dropped DLL
    PID:272
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1836
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1972

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

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      Downloads