Analysis

  • max time kernel
    3s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 11:24

General

  • Target

    3436bc5cb6d4783a01dbfac2504343cb.exe

  • Size

    559KB

  • MD5

    3436bc5cb6d4783a01dbfac2504343cb

  • SHA1

    ab90b850b9eb00a034b5cbdce8c2a5abdd04b132

  • SHA256

    0491af1e13f4b5d1725e5320e15d5aa0470d726418da43c6d08706d2f978d5ab

  • SHA512

    2cccffb89620206653a8a48f28bebd6e62a85008346638809e743eccb40dd65058c837598a5e61fb5fdf1b62934672271c19499a4ff78b5321eaa5eac3c13eab

  • SSDEEP

    12288:7KO7xpz80l/qX/nXut0dvnEUXrGvceCZwTsvsQ:9tqPn+t0dHrIceCZw

Malware Config

Extracted

Family

cryptbot

C2

haiezf32.top

morcyr03.top

Attributes
  • payload_url

    http://zelstb04.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot payload 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3436bc5cb6d4783a01dbfac2504343cb.exe
    "C:\Users\Admin\AppData\Local\Temp\3436bc5cb6d4783a01dbfac2504343cb.exe"
    1⤵
    • Checks processor information in registry
    PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3212-2-0x0000000004900000-0x00000000049A0000-memory.dmp

    Filesize

    640KB

  • memory/3212-1-0x0000000002F60000-0x0000000003060000-memory.dmp

    Filesize

    1024KB

  • memory/3212-3-0x0000000000400000-0x0000000002CC3000-memory.dmp

    Filesize

    40.8MB

  • memory/3212-208-0x0000000000400000-0x0000000002CC3000-memory.dmp

    Filesize

    40.8MB

  • memory/3212-213-0x0000000004900000-0x00000000049A0000-memory.dmp

    Filesize

    640KB

  • memory/3212-212-0x0000000002F60000-0x0000000003060000-memory.dmp

    Filesize

    1024KB