Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-06-2024 15:39

General

  • Target

    2ndstage.ps1

  • Size

    931KB

  • MD5

    3ab0c4e72a0567710702f4cfa709c60b

  • SHA1

    b23f111525b187196f5ee925c8bd5309f0c380f3

  • SHA256

    fc7a2f0d89fc15340f46cd14472ad11ae76b0523e2fd758a9ff22fa553e3b459

  • SHA512

    65878b095f430f2c90d5ef2860f65fc2323a499374d6b846fbc4cacfbf0057b59a01634919efd85155774303288c2e8c8571577b20b2eef0b236c96d366eccb5

  • SSDEEP

    24576:X0VOoebhUO+p24KR6vRPxu94n7bsRmutfi:r7CCtK

Malware Config

Extracted

Family

jupyter

C2

http://146.70.80.79

Signatures

  • Jupyter, SolarMarker

    Jupyter is a backdoor and infostealer first seen in mid 2020.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\2ndstage.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2088-4-0x000007FEF600E000-0x000007FEF600F000-memory.dmp

    Filesize

    4KB

  • memory/2088-5-0x000000001B730000-0x000000001BA12000-memory.dmp

    Filesize

    2.9MB

  • memory/2088-6-0x0000000001D90000-0x0000000001D98000-memory.dmp

    Filesize

    32KB

  • memory/2088-8-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-9-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-10-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-7-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-11-0x000000001BE00000-0x000000001BEB6000-memory.dmp

    Filesize

    728KB

  • memory/2088-12-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-13-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-14-0x000007FEF600E000-0x000007FEF600F000-memory.dmp

    Filesize

    4KB

  • memory/2088-15-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB

  • memory/2088-16-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

    Filesize

    9.6MB