Resubmissions

01/07/2025, 06:38

250701-heb9faspz4 10

01/07/2025, 06:19

250701-g3dxha1wex 10

Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    43s
  • max time network
    45s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 06:38

General

  • Target

    3c1cc52bb76569ad22cb7f0cbb866ab5e27a6118ba9fa5ead41385bad585c05b.exe

  • Size

    1.8MB

  • MD5

    d39cb383043add11313d71a1ca938390

  • SHA1

    a5dbb0cd26187c08212d75d59e3bac040f6ad7a5

  • SHA256

    3c1cc52bb76569ad22cb7f0cbb866ab5e27a6118ba9fa5ead41385bad585c05b

  • SHA512

    47a151adce905facf8fa8c8ef8cacb28f9ff6d46677d1e446975bfb49a344718464276624acdb689b7ffead83361dd68b56f9b72dbc8ff100abb48ba1eb97332

  • SSDEEP

    49152:VJ/xIEyl4EFfYrzmI5P+N6DrEIxK5Ff5p+S:VJZrsFAFqC5AD+S

Malware Config

Extracted

Family

lumma

C2

https://rbmlh.xyz/lakd

https://pacwpw.xyz/qwpr

https://comkxjs.xyz/taox

https://unurew.xyz/anhd

https://trsuv.xyz/gait

https://sqgzl.xyz/taoa

https://cexpxg.xyz/airq

https://urarfx.xyz/twox

https://liaxn.xyz/nbzh

Attributes
  • build_id

    44d7a6088f9d1d509c2ebf7ae4155acadb3cce6ae4

Extracted

Family

amadey

Version

5.50

Botnet

30b25e

C2

http://31.43.185.30

Attributes
  • install_dir

    321c2a24e4

  • install_file

    dumer.exe

  • strings_key

    7ee2dad1150ef9038dda28ed93be4b54

  • url_paths

    /ku9f3ton/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Lumma Stealer, LummaC

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

  • Lumma family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • 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.

  • 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.

  • 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 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c1cc52bb76569ad22cb7f0cbb866ab5e27a6118ba9fa5ead41385bad585c05b.exe
    "C:\Users\Admin\AppData\Local\Temp\3c1cc52bb76569ad22cb7f0cbb866ab5e27a6118ba9fa5ead41385bad585c05b.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Downloads MZ/PE file
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5756
    • C:\Users\Admin\AppData\Local\Temp\R1KHGWM8MW5ABTZ89Y.exe
      "C:\Users\Admin\AppData\Local\Temp\R1KHGWM8MW5ABTZ89Y.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\321c2a24e4\dumer.exe
        "C:\Users\Admin\AppData\Local\Temp\321c2a24e4\dumer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4420
  • C:\Users\Admin\AppData\Local\Temp\321c2a24e4\dumer.exe
    C:\Users\Admin\AppData\Local\Temp\321c2a24e4\dumer.exe
    1⤵
    • Executes dropped EXE
    PID:4888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\R1KHGWM8MW5ABTZ89Y.exe

          Filesize

          416KB

          MD5

          7b8c43ff5287ec4c86921c06bff22ff0

          SHA1

          fb00fdb9cd78f260f5f26fc01aee6bb209d05877

          SHA256

          ed0b15b82c2dba6a4516c5a0f5268a95fd7fe8aead707272a096d8ef47db92c0

          SHA512

          dc914c0aa19df91665c5ad0020bfe87bcb7e97126446d4497b6ca8388f1e040796129c66effeeee78073d4f4f3e96d3446652c7510806bb6ac6cc652f4774784

        • memory/5756-0-0x00000000007E0000-0x0000000000C8B000-memory.dmp

          Filesize

          4.7MB

        • memory/5756-1-0x0000000005520000-0x0000000005521000-memory.dmp

          Filesize

          4KB

        • memory/5756-5-0x0000000005540000-0x0000000005541000-memory.dmp

          Filesize

          4KB

        • memory/5756-6-0x0000000005550000-0x0000000005551000-memory.dmp

          Filesize

          4KB

        • memory/5756-4-0x0000000005570000-0x0000000005571000-memory.dmp

          Filesize

          4KB

        • memory/5756-8-0x0000000005530000-0x0000000005531000-memory.dmp

          Filesize

          4KB

        • memory/5756-7-0x00000000007E0000-0x0000000000C8B000-memory.dmp

          Filesize

          4.7MB

        • memory/5756-9-0x00000000007E0000-0x0000000000C8B000-memory.dmp

          Filesize

          4.7MB

        • memory/5756-15-0x00000000007E0000-0x0000000000C8B000-memory.dmp

          Filesize

          4.7MB