Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    119s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 08:49

General

  • Target

    bb2f1d74aabd9d2a6eb16dd3cde55e5e.exe

  • Size

    1.8MB

  • MD5

    bb2f1d74aabd9d2a6eb16dd3cde55e5e

  • SHA1

    2000c94f296473baa42444ea0fbd607a0f5cd19a

  • SHA256

    21c3ff6d14dbf792891e0c30da1eb51aa65c6f87c65cd8303e58ed26995a6390

  • SHA512

    d82f1d4cbd8a229c80f896eac151b41af46292ca936c8673053d0c3bddefee62b31b8b614e042dc33ad83ef3935f99d7dcefb8509b5c378ea076ab58dba4da20

  • SSDEEP

    49152:7K/2FxcdjKcueMKUPCEIWadlDHzzq1O0oEprRWh7uC:7Kkc8ypdlDHKHoOWh7u

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 3 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb2f1d74aabd9d2a6eb16dd3cde55e5e.exe
    "C:\Users\Admin\AppData\Local\Temp\bb2f1d74aabd9d2a6eb16dd3cde55e5e.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Local\Temp\XNFPD9ER425MBCRBJQHV5N6EV7O1.exe
      "C:\Users\Admin\AppData\Local\Temp\XNFPD9ER425MBCRBJQHV5N6EV7O1.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Windows security modification
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Users\Admin\AppData\Local\Temp\DI05MCRVC3PL0MN2ISCQ0XUHM.exe
      "C:\Users\Admin\AppData\Local\Temp\DI05MCRVC3PL0MN2ISCQ0XUHM.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\DI05MCRVC3PL0MN2ISCQ0XUHM.exe

    Filesize

    2.8MB

    MD5

    c8b363548ff963b9eaefdcf0ab866e99

    SHA1

    d3e0fa20ca34e90e5640d30cfd56e7c4b941e917

    SHA256

    1b5103442d7f0ee79daa29f46c1b3bd6ad65e1f844616441e05c592198ebf7f2

    SHA512

    5e69aa93ee6bd2fe29464cf0c07026cefcab515c4217cd6eaa37fe7fb36ceee37a68242625e2fdd70efdc4bdf2cecbb9727189a6f2b3f21138fd6378ad33d3cf

  • \Users\Admin\AppData\Local\Temp\XNFPD9ER425MBCRBJQHV5N6EV7O1.exe

    Filesize

    1.7MB

    MD5

    a5f5306454959cc92379287fa8f99a9a

    SHA1

    6a339fd816392b7683bb7ab9c694340bef5aab67

    SHA256

    b11c07bbbedbe1d3df654b2f26362dce51c0eaef9bc7a87617cd3d300341a72a

    SHA512

    65865f0f8461845b40b75319096cdbabcf567664f1b0cae0f82c4bc6cb64bcbd748b6e9ebaba60eb35fc35a3415cc8278f29f98bf91d22eb39fc9598d92d6c24

  • memory/1076-4-0x0000000000C80000-0x000000000110F000-memory.dmp

    Filesize

    4.6MB

  • memory/1076-26-0x0000000006460000-0x000000000695D000-memory.dmp

    Filesize

    5.0MB

  • memory/1076-0-0x0000000000C80000-0x000000000110F000-memory.dmp

    Filesize

    4.6MB

  • memory/1076-2-0x0000000000C81000-0x0000000000CA6000-memory.dmp

    Filesize

    148KB

  • memory/1076-12-0x0000000006460000-0x00000000068B8000-memory.dmp

    Filesize

    4.3MB

  • memory/1076-14-0x0000000006460000-0x00000000068B8000-memory.dmp

    Filesize

    4.3MB

  • memory/1076-3-0x0000000000C80000-0x000000000110F000-memory.dmp

    Filesize

    4.6MB

  • memory/1076-15-0x0000000000C80000-0x000000000110F000-memory.dmp

    Filesize

    4.6MB

  • memory/1076-25-0x0000000000C80000-0x000000000110F000-memory.dmp

    Filesize

    4.6MB

  • memory/1076-1-0x0000000077C00000-0x0000000077C02000-memory.dmp

    Filesize

    8KB

  • memory/2116-27-0x0000000000160000-0x000000000065D000-memory.dmp

    Filesize

    5.0MB

  • memory/2116-28-0x0000000000160000-0x000000000065D000-memory.dmp

    Filesize

    5.0MB

  • memory/3044-18-0x00000000003E0000-0x0000000000838000-memory.dmp

    Filesize

    4.3MB

  • memory/3044-17-0x00000000003E0000-0x0000000000838000-memory.dmp

    Filesize

    4.3MB

  • memory/3044-16-0x00000000003E0000-0x0000000000838000-memory.dmp

    Filesize

    4.3MB

  • memory/3044-29-0x00000000003E0000-0x0000000000838000-memory.dmp

    Filesize

    4.3MB

  • memory/3044-32-0x00000000003E0000-0x0000000000838000-memory.dmp

    Filesize

    4.3MB