Analysis

  • max time kernel
    94s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 12:43

General

  • Target

    7z91gvU.exe

  • Size

    3.0MB

  • MD5

    29cfd6c05181fe4487312485e94d16e7

  • SHA1

    24805df4c42ab13255ee8eafffa9bee0f3994f5c

  • SHA256

    2854a165a530684ef4aba317203c1f46afef047799cbdba7f0b946e7e7bc325d

  • SHA512

    bca351dddfe34ed7d434fc025261cd1c7b531cb6d7d36ce6ddfe6c9741e38fd2f75b525d434bbdd52a7d5ae53f8fb8945f2bbea886816ec522d4bfd31400e718

  • SSDEEP

    49152:1qCzlvPAMPBhoxJ1JFXJWZSyO3mzajRvQBTZC7ov25whiZD:XzlvYMPBhox3JFXJWZROuaj2B8APe

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

Signatures

  • 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
  • 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\7z91gvU.exe
    "C:\Users\Admin\AppData\Local\Temp\7z91gvU.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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2648-0-0x00000000001E0000-0x00000000004DE000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-1-0x0000000077E64000-0x0000000077E66000-memory.dmp

    Filesize

    8KB

  • memory/2648-2-0x00000000001E1000-0x0000000000233000-memory.dmp

    Filesize

    328KB

  • memory/2648-3-0x00000000001E0000-0x00000000004DE000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-4-0x00000000001E0000-0x00000000004DE000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-5-0x00000000001E0000-0x00000000004DE000-memory.dmp

    Filesize

    3.0MB

  • memory/2648-6-0x00000000001E1000-0x0000000000233000-memory.dmp

    Filesize

    328KB