Overview

overview

10

Static

static

3e275093a5...01.exe

windows7_x64

10

3e275093a5...01.exe

windows10_x64

10

Resubmissions

23-11-2020 10:42

201123-snhph417fe 10

10-11-2020 12:08

201110-s1senzaeea 10

05-11-2020 16:42

201105-y9hantbmge 8

Analysis

  • max time kernel
    16s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23-11-2020 10:42

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General

  • Target

    3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901.exe

  • Size

    583KB

  • MD5

    74d4e0e6dcf5cc7942c35e630036af0c

  • SHA1

    c7c4bb3907344aed022d181eb73f8fd812e06f88

  • SHA256

    3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901

  • SHA512

    110bb901dacc153fb484673fd033d2c0f9a3f7cbfd73a46f54c44c1f699796844b68db5a860cbbb5be08c03f4ad9dfcd25feb71fc8a9b37445e137a002e6a8eb

Score
10/10
xoristmacromacro_on_actionpersistenceransomwareupx

Malware Config

Signatures

  • Detected Xorist Ransomware 4 IoCs
  • Xorist Ransomware

    Xorist is a ransomware first seen in 2020.

    ransomwarexorist
  • Executes dropped EXE 3 IoCs
  • Office macro that triggers on suspicious action 1 IoCs

    Office document macro which triggers in special circumstances - often malicious.

    macromacro_on_action
  • UPX packed file 6 IoCs

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

    upx
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
    persistence
  • Drops desktop.ini file(s) 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 30 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901.exe
    "C:\Users\Admin\AppData\Local\Temp\3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Users\Admin\AppData\Local\Temp\javas.exe
      "C:\Users\Admin\AppData\Local\Temp\javas.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Modifies registry class
      PID:1996
    • C:\Users\Admin\AppData\Local\Temp\javas2.exe
      "C:\Users\Admin\AppData\Local\Temp\javas2.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Modifies registry class
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\asat2.exe
      "C:\Users\Admin\AppData\Local\Temp\asat2.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Modifies registry class
      PID:1892
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 100 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901.exe"& ping 1.1.1.1 -n 1 -w 900 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\3e275093a5ad4b2083eda47dfd2e9053cae044f7990a323c6f649093a8d00901.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 1 -w 100
        3⤵
        • Runs ping.exe
        PID:268
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 1 -w 900
        3⤵
        • Runs ping.exe
        PID:2384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/240-0-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

    Filesize

    9.9MB

    Download

  • memory/240-1-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2220-3769-0x000007FEF6400000-0x000007FEF667A000-memory.dmp

    Filesize

    2.5MB

    Download