Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-01-2025 06:31

General

  • Target

    b251843550c238bfd204de78d7d084ff737936ebd19fa983ef4c34930e792914.exe

  • Size

    1.8MB

  • MD5

    92d3c45f84e7e4f066537f114f0ec480

  • SHA1

    4c767623da31a358421170fdcad8f7cfd506cb9f

  • SHA256

    b251843550c238bfd204de78d7d084ff737936ebd19fa983ef4c34930e792914

  • SHA512

    4f1fcd326967f1dc5aef9e376cbf406aa350aca491df0ea9d5118b5fd82d4fb8299b3122db16e8919f02ccf93b8f1a6c9238be814488db71cca30bdfbcf5a1f3

  • SSDEEP

    49152:sf8DchNGx8v8+2r4wa2PCoBEy+Tw++qdoACG+9z5Is:sWchNGxE2rbnPCoCn+qdoAC79I

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/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\b251843550c238bfd204de78d7d084ff737936ebd19fa983ef4c34930e792914.exe
    "C:\Users\Admin\AppData\Local\Temp\b251843550c238bfd204de78d7d084ff737936ebd19fa983ef4c34930e792914.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:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab9790.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar97A3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2428-0-0x0000000000F00000-0x00000000013B1000-memory.dmp

    Filesize

    4.7MB

  • memory/2428-1-0x0000000076FE0000-0x0000000076FE2000-memory.dmp

    Filesize

    8KB

  • memory/2428-2-0x0000000000F01000-0x0000000000F2A000-memory.dmp

    Filesize

    164KB

  • memory/2428-3-0x0000000000F00000-0x00000000013B1000-memory.dmp

    Filesize

    4.7MB

  • memory/2428-4-0x0000000000F00000-0x00000000013B1000-memory.dmp

    Filesize

    4.7MB

  • memory/2428-39-0x0000000000F00000-0x00000000013B1000-memory.dmp

    Filesize

    4.7MB

  • memory/2428-41-0x0000000000F00000-0x00000000013B1000-memory.dmp

    Filesize

    4.7MB