Analysis

  • max time kernel
    4294183s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    04-03-2022 17:36

General

  • Target

    Cheat installer.exe

  • Size

    274KB

  • MD5

    6649fec7c656c6ab0ae0a27daf3ebb8e

  • SHA1

    e0dc4ad2ce0fc457f5979f41b0c4186756a7f40a

  • SHA256

    943fbead0c78c80da198e3cb1dafadf34b0584c17dd9304d91f05f574c12c246

  • SHA512

    ae13a1cd1e3a14798a8affa34a23f148706e8c12952a43d4b17dd2d9da0dbee6c5d29d1d77b6ef8d6b843ab852048f134431082a5342465da289f387644fcc0a

Malware Config

Extracted

Family

44caliber

C2

https://discordapp.com/api/webhooks/947181971019292714/gXE5T4ZQQF0yGOhuBSDhTkFXB0ut9ai71IZmOFvsdIaznalhyvQP0h45xCss-8W7KQCo

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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cheat installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Cheat installer.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1660-54-0x0000000000DD0000-0x0000000000E1A000-memory.dmp

    Filesize

    296KB

  • memory/1660-56-0x000000001B050000-0x000000001B052000-memory.dmp

    Filesize

    8KB

  • memory/1660-55-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

    Filesize

    9.9MB