Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 06:06

General

  • Target

    e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe

  • Size

    1.1MB

  • MD5

    7e00268192ebdb5f535a60425dd62e3f

  • SHA1

    70b90c83cc8e75c36b88130a2dbaa8c8d4e295ed

  • SHA256

    e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901

  • SHA512

    e0009032672ef3aeca6750d46a14af1b3b87adf985e0e3d6a29ba272a40661d1e5310638805e6a3da277ccee665d121727d3d11f25cdf6f66cfe5ec0f1ae7041

  • SSDEEP

    24576:4BkVdlYASCS63vsMMZXwO/QKC9Vhjo1YoW+3L2Aem9XoWY:IsvSCS63vsMMh49z5PILmuHY

Malware Config

Extracted

Family

cryptbot

C2

eihz18pt.top

analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe
    "C:\Users\Admin\AppData\Local\Temp\e7274f1c8c45bce731b3739749d63f13de04b259bbe825810bdab0e8d83ca901.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

    Filesize

    2.5MB

    MD5

    4aa4dcd98bdc53dc9364bf22fc9c4b30

    SHA1

    6093c13984f8addbf853179ff20c88a805b0c962

    SHA256

    5a1b5ec353516c39e0869fffac40eaa26050360be25ba8d7beadcb9d8e147967

    SHA512

    6a9b420fbda0b6db42ac28bfc09f139ee6635a5e1ea53a5a5471d96067cbc9853a8fabb90df97489e0218de51ccb5a9d2dd6d8724953bf223c55e21438a879b7

  • memory/2980-9-0x0000000000400000-0x0000000000C33000-memory.dmp

    Filesize

    8.2MB

  • memory/2980-21-0x0000000000400000-0x0000000000C33000-memory.dmp

    Filesize

    8.2MB