Analysis

  • max time kernel
    91s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2024, 02:23

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    91e740030ed48b59d9b047bab2bbe942

  • SHA1

    e0d82ab37149e5dc7663ee3a22e43270aa895ae1

  • SHA256

    704afcdd44b857e83f9a519d8888013e20efd631ffe0ba225759d310e9151a98

  • SHA512

    32f7727f39e6d1908e723c5b2fce1a7b2098ef7b66ca23d06109a88f5960216ed5990f6ae06b90fde9f81adfafc9e044a9d672f64e1d02c1b2a6a2f8dc769f88

  • SSDEEP

    49152:0S3682atB7GQUzmTTqPhVdv5wP4mlLtJ3d+r:TAMNGb6Tsj84WLa

Malware Config

Extracted

Family

lumma

C2

https://preside-comforter.sbs

https://savvy-steereo.sbs

https://copper-replace.sbs

https://record-envyp.sbs

https://slam-whipp.sbs

https://wrench-creter.sbs

https://looky-marked.sbs

https://plastic-mitten.sbs

https://hallowed-noisy.sbs

Extracted

Family

lumma

C2

https://hallowed-noisy.sbs/api

https://plastic-mitten.sbs/api

https://looky-marked.sbs/api

https://wrench-creter.sbs/api

https://slam-whipp.sbs/api

https://record-envyp.sbs/api

https://copper-replace.sbs/api

https://savvy-steereo.sbs/api

https://preside-comforter.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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab649F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar64C1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2636-0-0x0000000000DB0000-0x000000000124A000-memory.dmp

    Filesize

    4.6MB

  • memory/2636-1-0x0000000077200000-0x0000000077202000-memory.dmp

    Filesize

    8KB

  • memory/2636-2-0x0000000000DB1000-0x0000000000DD7000-memory.dmp

    Filesize

    152KB

  • memory/2636-3-0x0000000000DB0000-0x000000000124A000-memory.dmp

    Filesize

    4.6MB

  • memory/2636-4-0x0000000000DB0000-0x000000000124A000-memory.dmp

    Filesize

    4.6MB

  • memory/2636-39-0x0000000000DB0000-0x000000000124A000-memory.dmp

    Filesize

    4.6MB