Resubmissions

08/11/2024, 14:33

241108-rwz69ssrf1 10

08/11/2024, 14:30

241108-rvhwlatgjm 10

Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 14:30

General

  • Target

    70f1ef13e02086ef05f82e098684135f79295a8493f0174ec96dda7b894120f7N.exe

  • Size

    2.8MB

  • MD5

    ac184422dacac5a48f36b3974bf132b0

  • SHA1

    38582d5a75766079a8da322b9c5928e8de448574

  • SHA256

    70f1ef13e02086ef05f82e098684135f79295a8493f0174ec96dda7b894120f7

  • SHA512

    6d9558b9d87c5bc15659303795c55bea06355fd7eed931969898980f9b6923a3eb1f1063e61c45f5d007c0059ca35d108ef189e246bf0e91f7e4c07cd0259161

  • SSDEEP

    49152:8cS10JHLagv1re3KnXL6p0Qw+VFfDUfzlyAij:8v1wu+1re3Kn+pfwcQ74dj

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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70f1ef13e02086ef05f82e098684135f79295a8493f0174ec96dda7b894120f7N.exe
    "C:\Users\Admin\AppData\Local\Temp\70f1ef13e02086ef05f82e098684135f79295a8493f0174ec96dda7b894120f7N.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:2084

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab9CFD.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar9D1F.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/2084-0-0x00000000000C0000-0x00000000003C4000-memory.dmp

          Filesize

          3.0MB

        • memory/2084-1-0x00000000772C0000-0x00000000772C2000-memory.dmp

          Filesize

          8KB

        • memory/2084-2-0x00000000000C1000-0x00000000000E9000-memory.dmp

          Filesize

          160KB

        • memory/2084-3-0x00000000000C0000-0x00000000003C4000-memory.dmp

          Filesize

          3.0MB

        • memory/2084-4-0x00000000000C0000-0x00000000003C4000-memory.dmp

          Filesize

          3.0MB

        • memory/2084-39-0x00000000000C0000-0x00000000003C4000-memory.dmp

          Filesize

          3.0MB