Analysis

  • max time kernel
    134s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    09/03/2022, 07:47

General

  • Target

    41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe

  • Size

    241KB

  • MD5

    ea153b05109b36119f3e1c1ada264d05

  • SHA1

    68e8867b16f640f4fd6ea396a7d6acfc2c77145e

  • SHA256

    41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c

  • SHA512

    c9931138f69520ddf537d09c162398c8a81554e326ec11ff407dd60f18b8d2d7c959d94653659255cf51d92f7bc9d3e1cfb9769217971ca9488a006409ca2ef2

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\41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe
    "C:\Users\Admin\AppData\Local\Temp\41f2bd146bad94d7f21545d9dac70d685af64cb77f96b6c9c14aa346e99c8d6c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3648-130-0x0000023D70970000-0x0000023D709B2000-memory.dmp

    Filesize

    264KB

  • memory/3648-131-0x00007FFC07F60000-0x00007FFC08A21000-memory.dmp

    Filesize

    10.8MB