Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 18:15

General

  • Target

    5ace1684387f82c6460f08da599bbd3f11d56fc8e5404f5a345a099b7c64c478.exe

  • Size

    1.8MB

  • MD5

    3ebf7bb70dc746683d4274c4af45c8ac

  • SHA1

    c8e8a9ac38e48739061c5af85430db6b7524ff44

  • SHA256

    5ace1684387f82c6460f08da599bbd3f11d56fc8e5404f5a345a099b7c64c478

  • SHA512

    945da4c90d5bf99478c3c6e56e62c781c6bbff20301a82bb0f7b36741c89dabed5601ea07f1ee049e3a80e79c85f43d5ab0dc6e189a2dc1f59e3e045e1250a76

  • SSDEEP

    49152:oL190+vuRlB360U24BwKE/SSTlL+kCrNh6Q1X/VmSDEIt:op9vuHGBmSSonNhZ1XMSn

Malware Config

Extracted

Family

lumma

C2

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

lumma

C2

https://blade-govern.sbs/api

https://story-tense-faz.sbs/api

https://disobey-curly.sbs/api

https://motion-treesz.sbs/api

https://powerful-avoids.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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ace1684387f82c6460f08da599bbd3f11d56fc8e5404f5a345a099b7c64c478.exe
    "C:\Users\Admin\AppData\Local\Temp\5ace1684387f82c6460f08da599bbd3f11d56fc8e5404f5a345a099b7c64c478.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:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab280C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar282E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2264-0-0x0000000000E30000-0x00000000012CA000-memory.dmp

    Filesize

    4.6MB

  • memory/2264-1-0x00000000779E0000-0x00000000779E2000-memory.dmp

    Filesize

    8KB

  • memory/2264-2-0x0000000000E31000-0x0000000000E58000-memory.dmp

    Filesize

    156KB

  • memory/2264-3-0x0000000000E30000-0x00000000012CA000-memory.dmp

    Filesize

    4.6MB

  • memory/2264-4-0x0000000000E30000-0x00000000012CA000-memory.dmp

    Filesize

    4.6MB

  • memory/2264-40-0x0000000000E30000-0x00000000012CA000-memory.dmp

    Filesize

    4.6MB