Analysis

  • max time kernel
    119s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09-03-2022 07:47

General

  • Target

    2e8d37a9b1125fa6fa3be4b89bc4c17f51130205237c12e87f16e586a6624fba.exe

  • Size

    241KB

  • MD5

    a98e6c3c273263f66fffc6da9ddd2687

  • SHA1

    9d5e782552e0e861b487d568bd3feef89d1bcaa2

  • SHA256

    2e8d37a9b1125fa6fa3be4b89bc4c17f51130205237c12e87f16e586a6624fba

  • SHA512

    82df4ba9de74b4e5762a5636c1cbccc7ca79fa390e36f0ca8c6031c6a3e2dbcf7cb47ff0750ebcce6b454ec3be8c5e75e69d581daf43cefc380359ed617158d6

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\2e8d37a9b1125fa6fa3be4b89bc4c17f51130205237c12e87f16e586a6624fba.exe
    "C:\Users\Admin\AppData\Local\Temp\2e8d37a9b1125fa6fa3be4b89bc4c17f51130205237c12e87f16e586a6624fba.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:740

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/740-55-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp

    Filesize

    9.9MB

  • memory/740-56-0x00000000009F0000-0x0000000000A32000-memory.dmp

    Filesize

    264KB

  • memory/740-57-0x000000001AB20000-0x000000001AB22000-memory.dmp

    Filesize

    8KB