Resubmissions

21-06-2024 12:40

240621-pwm6lazekf 10

21-06-2024 12:37

240621-ptg7kazdlb 10

Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 12:40

General

  • Target

    Insidious.exe

  • Size

    303KB

  • MD5

    7d9282b8529bbb4ac06a3994fbcd0622

  • SHA1

    d38d467c5e533f3bc247b6ed245fb08412a479d7

  • SHA256

    ca5820bbbcbefd08f5ec820b833b23f7f97556a247da39510a70cbe7b809e3a9

  • SHA512

    aec2d63548176dc1a8ad3d2dfce0bc41973230c6898c55171dec7fc2919b84a8061d4308449c9551cc40ac7c08ad773fd6a7818bbd748ede9be64acc11dcfca5

  • SSDEEP

    6144:jNFT6MDdbICydeBpxUKCa269TwHfg6vmA1D0uAt:jNzIKCa2yTnM1Dmt

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1253689379948593173/lzPh5dDD7ETWYLRPMt2M_Ml82yS42YxolYTwBWldi4NXuLOvpMPhz7AlFtFln1RxcqaC

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Insidious.exe
    "C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3952-0-0x000001B387C20000-0x000001B387C72000-memory.dmp

    Filesize

    328KB

  • memory/3952-1-0x00007FFB1ABC3000-0x00007FFB1ABC5000-memory.dmp

    Filesize

    8KB

  • memory/3952-31-0x00007FFB1ABC0000-0x00007FFB1B681000-memory.dmp

    Filesize

    10.8MB

  • memory/3952-32-0x00007FFB1ABC0000-0x00007FFB1B681000-memory.dmp

    Filesize

    10.8MB