Analysis

  • max time kernel
    93s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 19:33

General

  • Target

    2024-12-15_0d10613c3c677e02354cdae9e0cb526f_avoslocker_floxif_hijackloader_luca-stealer.exe

  • Size

    1.2MB

  • MD5

    0d10613c3c677e02354cdae9e0cb526f

  • SHA1

    e249428e7b2d1ddaa1be1d30cf217016d5ee51ae

  • SHA256

    a6d97b7494b4b7a51876f0bbedd890a7105a2654ed097535f2e10fdb95812fa2

  • SHA512

    067aedc61e35fb7d2cf5f8630215afb82247c067ac6875e2d98a7b47372268c3ac3098e5ad4777f4e5bd4ea403495aa2c14d829b55bf1a0da90c7b61ecd23e57

  • SSDEEP

    24576:Uh4cCZBtj/uGZXPR+ihzsoyj2cWBcW5ey+EpiWaKfO8oiXNwrEH7s:U+j/D/zsoyj2cWB3Ey+YiFKfO6N8

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 5 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-15_0d10613c3c677e02354cdae9e0cb526f_avoslocker_floxif_hijackloader_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-15_0d10613c3c677e02354cdae9e0cb526f_avoslocker_floxif_hijackloader_luca-stealer.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\EasyAntiCheat\EasyAntiCheat.exe

    Filesize

    1.1MB

    MD5

    f10be81bb5e063c781fac7e3b5ab4e58

    SHA1

    8436809cdbf583c9ed96c0c12d564d312903dc60

    SHA256

    2680258f34fa4ff2c9eb98e0fa3a6fa3d4e2c18fc7c9e199948e858edcc90151

    SHA512

    548012397bfb893cb5fdd50706898e1d542b7595a036e0ce8dbc0fc4fbb3fb2217249ad0c8ce1893b3d9e0d1df24e4f4ec772013109e31aedefed4100599a307

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1664-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1664-19-0x00000000006F0000-0x000000000080B000-memory.dmp

    Filesize

    1.1MB

  • memory/1664-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1664-24-0x00000000006F0000-0x000000000080B000-memory.dmp

    Filesize

    1.1MB

  • memory/1664-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB