Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-12-2020 10:49

General

  • Target

    e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe

  • Size

    473KB

  • MD5

    f83fb9ce6a83da58b20685c1d7e1e546

  • SHA1

    01c459b549c1c2a68208d38d4ba5e36d29212a4f

  • SHA256

    e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684

  • SHA512

    934ec9073a28b90e8df785bef49f224789da59f83729208b92dba0503e2894b3f48ed04b20de1ba49374b1cd26f0c87e8e5ab79e817258135e3be2c171f3f396

Malware Config

Signatures

  • Maze

    Ransomware family also known as ChaCha.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 89 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe
    "C:\Users\Admin\AppData\Local\Temp\e8a091a84dd2ea7ee429135ff48e9f48f7787637ccb79f6c3eb42f34588bc684.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\system32\wbem\wmic.exe
      "C:\qdao\pb\..\..\Windows\km\fto\kbdsk\..\..\..\system32\tslc\nd\ftb\..\..\..\wbem\ovn\axwbv\s\..\..\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\system32\wbem\wmic.exe
      "C:\r\kg\j\..\..\..\Windows\mmit\n\d\..\..\..\system32\hdn\..\wbem\ot\..\wmic.exe" shadowcopy delete
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3996
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1380
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x3f4
    1⤵
      PID:504

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/648-2-0x0000000002DD0000-0x0000000002E2B000-memory.dmp

      Filesize

      364KB

    • memory/648-6-0x0000000002DD0000-0x0000000002E2B000-memory.dmp

      Filesize

      364KB

    • memory/1424-7-0x0000000000000000-mapping.dmp

    • memory/3996-8-0x0000000000000000-mapping.dmp