Analysis

  • max time kernel
    106s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 04:14

General

  • Target

    31e331808f3cbeb5acae638d4ffb141ae1b38ca4bb24c5e8f072069b72908cf6.exe

  • Size

    1.7MB

  • MD5

    5a369d503e95364e584d72fecc5df5e2

  • SHA1

    701d73923cfac0114d680dba1223ee070dc4e34d

  • SHA256

    31e331808f3cbeb5acae638d4ffb141ae1b38ca4bb24c5e8f072069b72908cf6

  • SHA512

    514c5694c2286c53bf8ccd762d532bea0e782d305ed078f7582863c3a55e444f152010528624ceb6c4d0925b1308f975e01c1cbf84eae4798e18798274364f31

  • SSDEEP

    49152:TeRabIFImRre+3gYyJqS+yV1TfvweMxorc2ZRm8zC:aabSFreesdV1s1xS+

Malware Config

Extracted

Family

lumma

C2

https://p3ar11fter.sbs

https://3xp3cts1aim.sbs

https://owner-vacat10n.sbs

https://peepburry828.sbs

https://p10tgrace.sbs

https://befall-sm0ker.sbs

https://librari-night.sbs

https://processhol.sbs

https://cook-rain.sbs

Extracted

Family

lumma

C2

https://cook-rain.sbs/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\31e331808f3cbeb5acae638d4ffb141ae1b38ca4bb24c5e8f072069b72908cf6.exe
    "C:\Users\Admin\AppData\Local\Temp\31e331808f3cbeb5acae638d4ffb141ae1b38ca4bb24c5e8f072069b72908cf6.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:524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab13B2.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1470.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/524-0-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB

  • memory/524-1-0x0000000077460000-0x0000000077462000-memory.dmp

    Filesize

    8KB

  • memory/524-2-0x0000000000D41000-0x0000000000D68000-memory.dmp

    Filesize

    156KB

  • memory/524-3-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB

  • memory/524-4-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB

  • memory/524-5-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB

  • memory/524-6-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB

  • memory/524-42-0x0000000000D40000-0x00000000011C2000-memory.dmp

    Filesize

    4.5MB