Analysis

  • max time kernel
    4294181s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    09-03-2022 07:47

General

  • Target

    654576c4e6f9489f5264755401ad59fadaa60e539bf6e6b9b8636824eaea3539.exe

  • Size

    241KB

  • MD5

    f1207697b88ab5977b6504d4522ea675

  • SHA1

    090b56f2151ae6732e7ec7d9173fee2bfc808b3b

  • SHA256

    654576c4e6f9489f5264755401ad59fadaa60e539bf6e6b9b8636824eaea3539

  • SHA512

    c4a056864789c0b8a30a124abdf33c5683416d29a95dd110d44814d7b2e970706bcc62fd0ba7eb1d4ca4463fe8f4816ede49988d09764231a2985327478a1fb2

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\654576c4e6f9489f5264755401ad59fadaa60e539bf6e6b9b8636824eaea3539.exe
    "C:\Users\Admin\AppData\Local\Temp\654576c4e6f9489f5264755401ad59fadaa60e539bf6e6b9b8636824eaea3539.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2024

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2024-54-0x0000000000E70000-0x0000000000EB2000-memory.dmp

    Filesize

    264KB

  • memory/2024-55-0x000007FEF59A0000-0x000007FEF638C000-memory.dmp

    Filesize

    9.9MB

  • memory/2024-56-0x000000001AFD0000-0x000000001AFD2000-memory.dmp

    Filesize

    8KB