Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 02:35

General

  • Target

    ad25db749a3bd195f9f117b5606aeca7671f2cb2a088eca6edd896ed7c314a47.exe

  • Size

    1.8MB

  • MD5

    0a342888b6b35934fac44f4b591f42a5

  • SHA1

    4659002f556f2e72de1c20e84e8f240eec613b16

  • SHA256

    ad25db749a3bd195f9f117b5606aeca7671f2cb2a088eca6edd896ed7c314a47

  • SHA512

    a701ce8d74b597964790334e3b09a4c2c916d47e9fe4511e31e3d3a2583d5c7f3db50bfa23c3ff10419de28b3c3c20af6e7ec0388a46d85402f0be62945325be

  • SSDEEP

    49152:A/zTmkQphPkJAmaaN7k+5127C29pNrXJgm2R1:CghPkOmaUunXNrXJgPz

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\ad25db749a3bd195f9f117b5606aeca7671f2cb2a088eca6edd896ed7c314a47.exe
    "C:\Users\Admin\AppData\Local\Temp\ad25db749a3bd195f9f117b5606aeca7671f2cb2a088eca6edd896ed7c314a47.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:2656
    • C:\Users\Admin\AppData\Local\Temp\AXJWPTWGZC9K1R1BWN9.exe
      "C:\Users\Admin\AppData\Local\Temp\AXJWPTWGZC9K1R1BWN9.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:2904
    • C:\Users\Admin\AppData\Local\Temp\ACAGOAXXSLL1JN7VE925W5V.exe
      "C:\Users\Admin\AppData\Local\Temp\ACAGOAXXSLL1JN7VE925W5V.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:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\ACAGOAXXSLL1JN7VE925W5V.exe

    Filesize

    1.7MB

    MD5

    f660a7ff99befe7ae52d2636a0e8db46

    SHA1

    41b7e90dbf2ce54bd4e3048d0dc1b7e9d59d81ee

    SHA256

    526d8ce745c14bac28de547ee616d66bec13517e558da772982b41cb9d6dda62

    SHA512

    4f13dc0b5c8003b3dc7a5f3faa02c4e103da106722d53494a74e419756d1ce8c35b308641e7690bb932002b0d16411caedb60e63138d33cbfe78520ca8bd0240

  • \Users\Admin\AppData\Local\Temp\AXJWPTWGZC9K1R1BWN9.exe

    Filesize

    2.6MB

    MD5

    e5cfad81f5397d7eeed2e7251b7e6e7a

    SHA1

    84184161e1b542773e5c74909ce37bb1f8f2238e

    SHA256

    46cb31f14f15b4f13d203fe4138401adccf3163cf405fe907e7ee86bbd1c2387

    SHA512

    fad966d925810d75be01d20b2b2bbf45755a30d385754878764fec0f1d45100490ba8c4ea279429f91c627cfa8f6b0e2abc70abdb8b645dddf1abd4cf021656a

  • memory/2120-29-0x0000000000D60000-0x00000000013F5000-memory.dmp

    Filesize

    6.6MB

  • memory/2120-28-0x0000000000D60000-0x00000000013F5000-memory.dmp

    Filesize

    6.6MB

  • memory/2656-25-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-0-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-4-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-16-0x0000000006810000-0x0000000006AB8000-memory.dmp

    Filesize

    2.7MB

  • memory/2656-5-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-14-0x0000000006810000-0x0000000006AB8000-memory.dmp

    Filesize

    2.7MB

  • memory/2656-1-0x0000000077670000-0x0000000077672000-memory.dmp

    Filesize

    8KB

  • memory/2656-24-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-3-0x0000000000AC0000-0x0000000000F66000-memory.dmp

    Filesize

    4.6MB

  • memory/2656-26-0x0000000006810000-0x0000000006EA5000-memory.dmp

    Filesize

    6.6MB

  • memory/2656-2-0x0000000000AC1000-0x0000000000AE6000-memory.dmp

    Filesize

    148KB

  • memory/2904-15-0x00000000010F0000-0x0000000001398000-memory.dmp

    Filesize

    2.7MB

  • memory/2904-18-0x00000000010F0000-0x0000000001398000-memory.dmp

    Filesize

    2.7MB

  • memory/2904-17-0x00000000010F0000-0x0000000001398000-memory.dmp

    Filesize

    2.7MB

  • memory/2904-30-0x00000000010F0000-0x0000000001398000-memory.dmp

    Filesize

    2.7MB

  • memory/2904-33-0x00000000010F0000-0x0000000001398000-memory.dmp

    Filesize

    2.7MB