Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 11:33

General

  • Target
    737914f47ca5ef34d3e8dd45ead3b2f9.exe
  • Size 2.8MB
  • Sample241109-nnvd9stdnp
  • SHA256 abc1617f4a0b2b5ce9028128f6f03deb873fd8806162b7eb9eccd5ef77513b60
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://navygenerayk.store/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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\737914f47ca5ef34d3e8dd45ead3b2f9.exe
    "C:\Users\Admin\AppData\Local\Temp\737914f47ca5ef34d3e8dd45ead3b2f9.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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2120

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CabCFCF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CabCFCF.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        TarCFF1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarCFF1.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2120-0-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-1-0x0000000077810000-0x0000000077812000-memory.dmp

        memory/2120-2-0x00000000008B1000-0x00000000008D9000-memory.dmp

        memory/2120-3-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-4-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-5-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-7-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-6-0x00000000008B0000-0x0000000000BB4000-memory.dmp

        memory/2120-42-0x00000000008B0000-0x0000000000BB4000-memory.dmp