Analysis

  • max time kernel
    4294182s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    09-03-2022 07:48

General

  • Target

    676853e09ec344b224e66997477ae51ed2580e8c34e318e35275139bec30f1b3.exe

  • Size

    241KB

  • MD5

    997f878cb5c91c553ece1fe2609f252d

  • SHA1

    2a7b2ed3bff6f9723a3b04a9cd4d5e2619364a6e

  • SHA256

    676853e09ec344b224e66997477ae51ed2580e8c34e318e35275139bec30f1b3

  • SHA512

    76454b780673754bd7c323ff22e8189086a46da2e37d4cfba251ecff161b261b65d8872a5dc22301c2a606e11d3a8c25f858ce774aca5013e2a3021dfb11b8c6

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\676853e09ec344b224e66997477ae51ed2580e8c34e318e35275139bec30f1b3.exe
    "C:\Users\Admin\AppData\Local\Temp\676853e09ec344b224e66997477ae51ed2580e8c34e318e35275139bec30f1b3.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1924

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1924-54-0x0000000000970000-0x00000000009B2000-memory.dmp

    Filesize

    264KB

  • memory/1924-55-0x000007FEF56F0000-0x000007FEF60DC000-memory.dmp

    Filesize

    9.9MB

  • memory/1924-56-0x000000001AD10000-0x000000001AD12000-memory.dmp

    Filesize

    8KB