Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 23:26

General

  • Target

    397009cf4ffa0f080835f9f2a43e50fbd91bd57763851a280a75aff029a7034c.exe

  • Size

    7KB

  • MD5

    cfbc736d5a16198f13e7bf360e5004be

  • SHA1

    4aea5ace463590c5c2bd1cc571851e5e630d9331

  • SHA256

    397009cf4ffa0f080835f9f2a43e50fbd91bd57763851a280a75aff029a7034c

  • SHA512

    59a51ab1bcc070ae20e385e56ba2d0afe9e4ee6088cfe06e1de9c0d33cb4afe6ca55a92f6d137209b0cbf4a19eb2601ea4085e40e0a5d1e224e1993350d604ab

  • SSDEEP

    192:Gzdrr1FG1WDCgmjPZPx2ds9ct1X0utLRMUA:Gprr1gkDCgSCd6ct+gFMB

Malware Config

Signatures

  • Detected Xorist Ransomware 3 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

  • Drops file in Drivers directory 8 IoCs
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • 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
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\397009cf4ffa0f080835f9f2a43e50fbd91bd57763851a280a75aff029a7034c.exe
    "C:\Users\Admin\AppData\Local\Temp\397009cf4ffa0f080835f9f2a43e50fbd91bd57763851a280a75aff029a7034c.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    PID:1048

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1048-55-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1048-56-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1048-57-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB