Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09/03/2022, 07:47

General

  • Target
    1a5f9f3c155e3382195e5dda8f67f208d7000ccc55eeda38b3985d3b222cfc45.exe
  • Size 241KB
  • Sample220309-jmlzaafba3
  • SHA256 1a5f9f3c155e3382195e5dda8f67f208d7000ccc55eeda38b3985d3b222cfc45
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • jester

Botnet
  • FikusCode

C2
  • http://jesterdcuxzbey4xvlwwheoecpltru5be2mzuk4w7a7nrhckdjjhrbyd.onion/report/FikusCode

  • https://api.anonfiles.com/upload?token=d26d620842507144

Mutex
  • 46378331-3729-449c-9a03-94f385d10a9c

Attributes
  • license_key

    D1F0DE359CBD562CCF9326AEEEA8E64E

Signatures

  • Jester

    Jester is an information stealer malware written in C#.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a5f9f3c155e3382195e5dda8f67f208d7000ccc55eeda38b3985d3b222cfc45.exe
    "C:\Users\Admin\AppData\Local\Temp\1a5f9f3c155e3382195e5dda8f67f208d7000ccc55eeda38b3985d3b222cfc45.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1620

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1620-55-0x000007FEF5930000-0x000007FEF631C000-memory.dmp

        memory/1620-56-0x00000000010A0000-0x00000000010E2000-memory.dmp

        memory/1620-57-0x000000001ABB0000-0x000000001ABB2000-memory.dmp