Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 04:00

General

  • Target

    b2d7f1e627e20804800b417f7d4d8a9133c58b16956a35a8885b011cbd7f79bb.exe

  • Size

    1.7MB

  • MD5

    00caeff2ff96754a0a6caaec18afc8d5

  • SHA1

    df1cd01e9a08177749609ca57d4af8cab9573510

  • SHA256

    b2d7f1e627e20804800b417f7d4d8a9133c58b16956a35a8885b011cbd7f79bb

  • SHA512

    ca82914b9914f926e91190393b5cd5843d44c9e4006c0d4420e0a9b4f5fc07f7ec290cbfb8ad6e6a927bdb583e3810d2b1849c4cfdf86a2f096a5b894774717e

  • SSDEEP

    24576:c1GeWQbWNPeZK3By+OntUM2zG6tMSIYu4PF4IosnzjZqKYJBETLLqIYdpCFj0alX:GVaWZI2tzYUSIYu4N4IowUDSTLLr0MX

Malware Config

Extracted

Family

stealc

Botnet

rave

C2

http://185.215.113.103

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2d7f1e627e20804800b417f7d4d8a9133c58b16956a35a8885b011cbd7f79bb.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d7f1e627e20804800b417f7d4d8a9133c58b16956a35a8885b011cbd7f79bb.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2552
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4324 /prefetch:8
    1⤵
      PID:3120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2552-0-0x0000000000B60000-0x00000000011DB000-memory.dmp

      Filesize

      6.5MB

    • memory/2552-1-0x0000000077114000-0x0000000077116000-memory.dmp

      Filesize

      8KB

    • memory/2552-2-0x0000000000B61000-0x0000000000B75000-memory.dmp

      Filesize

      80KB

    • memory/2552-3-0x0000000000B60000-0x00000000011DB000-memory.dmp

      Filesize

      6.5MB

    • memory/2552-4-0x0000000000B60000-0x00000000011DB000-memory.dmp

      Filesize

      6.5MB