Analysis

  • max time kernel
    92s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 06:43

General

  • Target

    2024-11-18_d33f5a01cbb373dd724f8f4bff18d622_floxif_frostygoop_poet-rat_snatch_zxxz.exe

  • Size

    21.1MB

  • MD5

    d33f5a01cbb373dd724f8f4bff18d622

  • SHA1

    0b438f701a463a01e05158cc7d1c16446de26027

  • SHA256

    5c153e6f451c8dd8c817c67c3d5194e6ffa1d784adc4daa7636a8aefa848e5a6

  • SHA512

    680dd588d0e7153349d856d7b97dd5c5fe33c54f6f51344ec19af63e8162c7a1d1116ed560ada3f46f07bf3b914775a0f632d213dc8d13835f08ecdc40a4da04

  • SSDEEP

    196608:FlabBX1CVzx5vMvKr6yeN08ePJoJTtIREju+QdDF:HB2GI5IYIdJ

Malware Config

Extracted

Family

lumma

C2

https://drawwyobstacw.sbs

https://condifendteu.sbs

https://ehticsprocw.sbs

https://vennurviot.sbs

https://resinedyw.sbs

https://enlargkiw.sbs

https://allocatinow.sbs

https://mathcucom.sbs

https://fevertalkkywkwm.shop/api

Extracted

Family

lumma

C2

https://fevertalkkywkwm.shop/api

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-18_d33f5a01cbb373dd724f8f4bff18d622_floxif_frostygoop_poet-rat_snatch_zxxz.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-18_d33f5a01cbb373dd724f8f4bff18d622_floxif_frostygoop_poet-rat_snatch_zxxz.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
      "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2216-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2216-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2216-11-0x00007FFC07350000-0x00007FFC07545000-memory.dmp

    Filesize

    2.0MB

  • memory/2216-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2216-17-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2216-16-0x00000000009D0000-0x0000000001F11000-memory.dmp

    Filesize

    21.3MB

  • memory/2216-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2216-23-0x00000000009D0000-0x0000000001F11000-memory.dmp

    Filesize

    21.3MB

  • memory/2216-25-0x00000000009D0000-0x0000000001F11000-memory.dmp

    Filesize

    21.3MB

  • memory/2216-29-0x00007FFC07350000-0x00007FFC07545000-memory.dmp

    Filesize

    2.0MB

  • memory/3720-22-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/3720-26-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB