Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2025, 14:27

General

  • Target

    65f0b432d1c478584099dd485f75a04f.exe

  • Size

    1.8MB

  • MD5

    65f0b432d1c478584099dd485f75a04f

  • SHA1

    95887097bb413477819a3a4850554e59dea5ed26

  • SHA256

    e3f63b55b34a2e157b5754474b493afff810790cbcb166c40c355f4d64e3f154

  • SHA512

    a855c71e7252bd6251520bf7231ee464dbce778274d982de61f41e3aa793f92ab9a73b66d0c0b9278e8d812e8cf2d3f6bed080086613427873fea220e1c4cb71

  • SSDEEP

    49152:3vKFGc13O3zI9EXmdduwzqKNdRGpAtrugh34BUq79LXZ:/mcDI9E4/dRG8LaLJ

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/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\65f0b432d1c478584099dd485f75a04f.exe
    "C:\Users\Admin\AppData\Local\Temp\65f0b432d1c478584099dd485f75a04f.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:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab94A3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar94C6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1992-0-0x0000000000C40000-0x00000000010DE000-memory.dmp

    Filesize

    4.6MB

  • memory/1992-1-0x0000000077650000-0x0000000077652000-memory.dmp

    Filesize

    8KB

  • memory/1992-2-0x0000000000C41000-0x0000000000C69000-memory.dmp

    Filesize

    160KB

  • memory/1992-3-0x0000000000C40000-0x00000000010DE000-memory.dmp

    Filesize

    4.6MB

  • memory/1992-4-0x0000000000C40000-0x00000000010DE000-memory.dmp

    Filesize

    4.6MB

  • memory/1992-39-0x0000000000C40000-0x00000000010DE000-memory.dmp

    Filesize

    4.6MB