Analysis

  • max time kernel
    63s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 14:03

General

  • Target

    5f481a84688e02aa0dbb5bc3ecd52cb7360a59bad55934d729c2b92bac0258be.exe

  • Size

    2.9MB

  • MD5

    bff27a37c46141834eb0cadc872c457f

  • SHA1

    140c15847996d30a8894539b6b15d8be0eca06e0

  • SHA256

    5f481a84688e02aa0dbb5bc3ecd52cb7360a59bad55934d729c2b92bac0258be

  • SHA512

    f0d74ee493e675e9dffac06133f5d1ccad4a82f87002e0a74e3b6b35352b2b1c8008e608a10e7516bff0bccbe0e4063db99dc587dd0755810ea237c759820ea0

  • SSDEEP

    49152:QOapfhpbq+Yqy3jkSsPcYu0oeme6NWsQCFDE5:QOaJrbq+dy3gSsP5ode6NzS

Malware Config

Extracted

Family

lumma

C2

https://scriptyprefej.store

https://navygenerayk.store

https://founpiuer.store

https://necklacedmny.store

https://thumbystriw.store

https://fadehairucw.store

https://crisiwarny.store

https://presticitpo.store

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\5f481a84688e02aa0dbb5bc3ecd52cb7360a59bad55934d729c2b92bac0258be.exe
    "C:\Users\Admin\AppData\Local\Temp\5f481a84688e02aa0dbb5bc3ecd52cb7360a59bad55934d729c2b92bac0258be.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:528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8CA8.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8CCA.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/528-0-0x0000000000EB0000-0x00000000011C3000-memory.dmp

    Filesize

    3.1MB

  • memory/528-1-0x00000000770C0000-0x00000000770C2000-memory.dmp

    Filesize

    8KB

  • memory/528-3-0x0000000000EB0000-0x00000000011C3000-memory.dmp

    Filesize

    3.1MB

  • memory/528-2-0x0000000000EB1000-0x0000000000ED9000-memory.dmp

    Filesize

    160KB

  • memory/528-4-0x0000000000EB0000-0x00000000011C3000-memory.dmp

    Filesize

    3.1MB

  • memory/528-40-0x0000000000EB0000-0x00000000011C3000-memory.dmp

    Filesize

    3.1MB