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Analysis

  • max time kernel
    70s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08/02/2025, 16:56

General

  • Target

    furra.exe

  • Size

    8.0MB

  • MD5

    05f42a351356393179165a84086f8c07

  • SHA1

    71093fd05686d6202bf4144f94920deefe551f96

  • SHA256

    2959ff0bf986bddeb56abf2f54d30ecdc8a645311bba6c674f0aedaaa7594912

  • SHA512

    b6fe9334bbd7dcd55f9b997e502839dd8c26d058ada49a3b804d7e41ee335abb2ab4e5ab0974da5fed3532a0beb8ca9e57b1cb5e416a94803a52a5f4ba9d4c08

  • SSDEEP

    98304:s4IeiLEkjp/ABP9X6OmtVtNjgpiM+txC1xcTP8cY1JusPWBGu7oBCN7c4J+Rt+x9:s4tCpwJcY1JufL7oBH2IQxLLiU6

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

https://berserkyfir.click/api

Extracted

Family

cryptbot

C2

http://home.twelveff20pn.top/HfqvZFTxgmZzemQbMMGA1736773805

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\furra.exe
    "C:\Users\Admin\AppData\Local\Temp\furra.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\LummaC2.exe
      "C:\Users\Admin\AppData\Local\Temp\LummaC2.exe"
      2⤵
      • Executes dropped EXE
      PID:2980
    • C:\Users\Admin\AppData\Local\Temp\start-this-724.exe
      "C:\Users\Admin\AppData\Local\Temp\start-this-724.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 464
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\LummaC2.exe

    Filesize

    320KB

    MD5

    8da89b163d506be4a73b987517a1b9e4

    SHA1

    2e110cf5160c511fa3d5843e890b8e9316754f34

    SHA256

    ea56e7f640355598346fa0b356699298314e25d809f3aa7cfce1804a3d1964e5

    SHA512

    a85969bcda0b31caf0cec79f45bec068a498c7ac190fe17d7b7c03f88f5c91f5f6221fcc4fcb46604695d5b95e9047dfc1d2cf31207540c23e929fcca08d14f5

  • \Users\Admin\AppData\Local\Temp\start-this-724.exe

    Filesize

    7.7MB

    MD5

    c411bef822305589785b18bd83a3cb89

    SHA1

    890b2bdd6e88a45192d3552879afbed9955e9b8c

    SHA256

    b60b783764d2c193eec80661e43a512fad2ffc56a56ee1a190b6aac0cad33b8e

    SHA512

    b2503b11b0ffc28118c45490b6c7c148ea034d3fa82805fe4aa3f986ddd9c473dd1cc323afa19cea39319f75dec5bf6e39bdc97fed4d9f4c7cef48a55363d1a6

  • memory/816-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/816-1-0x00000000011C0000-0x00000000019C8000-memory.dmp

    Filesize

    8.0MB

  • memory/2924-20-0x0000000000E70000-0x0000000001628000-memory.dmp

    Filesize

    7.7MB

  • memory/2924-23-0x0000000000E70000-0x0000000001628000-memory.dmp

    Filesize

    7.7MB

  • memory/2924-29-0x0000000000E70000-0x0000000001628000-memory.dmp

    Filesize

    7.7MB