Analysis

  • max time kernel
    93s
  • 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
    05-01-2025 10:01

General

  • Target

    Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe

  • Size

    2.8MB

  • MD5

    3d433b38ddd7681112b41ac5d55e0e50

  • SHA1

    b6e2898e0bfe4dd14c1aaf35408436baea062815

  • SHA256

    39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be

  • SHA512

    dd3c8512d745bae07da4075e6871a4136c69a6fb95ca3be5e3c81e13e311f15086cebc3e992043d7bea171066f71adaa3218fed6d7b1221305d613b65310ef5c

  • SSDEEP

    49152:jlyQnLvsMFBXjtElACNNQbcjLjkzy+YALjSTxbnyhRXHEOmDbLWme98nJv:vLv1zTtEtH39SRUlLWmB

Malware Config

Extracted

Family

lumma

C2

https://hummskitnj.buzz/api

https://cashfuzysao.buzz/api

https://appliacnesot.buzz/api

https://screwamusresz.buzz/api

https://inherineau.buzz/api

https://scentniej.buzz/api

https://rebuildeso.buzz/api

https://prisonyfork.buzz/api

https://mindhandru.buzz/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\Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.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:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2696-0-0x00000000003D0000-0x00000000006C3000-memory.dmp

    Filesize

    2.9MB

  • memory/2696-1-0x0000000076FD4000-0x0000000076FD6000-memory.dmp

    Filesize

    8KB

  • memory/2696-2-0x00000000003D1000-0x00000000003F8000-memory.dmp

    Filesize

    156KB

  • memory/2696-3-0x00000000003D0000-0x00000000006C3000-memory.dmp

    Filesize

    2.9MB

  • memory/2696-4-0x00000000003D0000-0x00000000006C3000-memory.dmp

    Filesize

    2.9MB

  • memory/2696-6-0x00000000003D0000-0x00000000006C3000-memory.dmp

    Filesize

    2.9MB