Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 03:23

General

  • Target

    2024-12-28_f4420c838459cf2aecec7fddea96930f_avoslocker_floxif_hijackloader_luca-stealer.exe

  • Size

    1.4MB

  • MD5

    f4420c838459cf2aecec7fddea96930f

  • SHA1

    97413fc94b2703edc45e54c7fc033632aacf99c9

  • SHA256

    fcb0a07d1962681f24deebc0902fe1fd3583902895a8e73490ececdf7563e39a

  • SHA512

    15c3da914192a9eda8e7dafd2a86edc9e5d066f9ec5268a6a4164434fdd77dccd9bed639995a404c3aad55018253fec722878ba44b2292065f8688fc3571d54e

  • SSDEEP

    24576:umpsOt65GmrDOW4hRgp/Iwj+iYXAm5j+5oV0OqerwrEH7o:umpsX5zyWyRC/IwjoXAej+54dqerY

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
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-28_f4420c838459cf2aecec7fddea96930f_avoslocker_floxif_hijackloader_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-28_f4420c838459cf2aecec7fddea96930f_avoslocker_floxif_hijackloader_luca-stealer.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jds259432595.tmp\2024-12-28_f4420c838459cf2aecec7fddea96930f_avoslocker_floxif_hijackloader_luca-stealer.exe

    Filesize

    1000KB

    MD5

    7d51dc2d3b9c489badf094f0a52003be

    SHA1

    c9be664418898357cc558abb0c64aa289c0b7027

    SHA256

    b48fd90ab08026352d94930d9aa210692ed3e7b0d948b247dcd4e51f5100f61b

    SHA512

    03410992c0d773b88b91e6881a78220da969e9cd0a8c6c34dd7179bf7c495f9676b9538254e33fd6e42f7b28dc9462761522085d68bd4ac171acc4f268e29c48

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\jds259432595.tmp\2024-12-28_f4420c838459cf2aecec7fddea96930f_avoslocker_floxif_hijackloader_luca-stealer.exe.tmp

    Filesize

    1.1MB

    MD5

    9bf092a3a79cb6e093a53f1586890acd

    SHA1

    d8623cdc1bf140685abb3291258080f728b2a5de

    SHA256

    48bccc3758bec4fbbb8e88e65fda8df9b82a95f65711bc892b308b81280d7e23

    SHA512

    bddea8b4399777d51e5e23e08bce9260c960ba1bfe511247919e7b4b6da1e0760eceda1a071d178a94d261aa75779fc5fb3b9a17b8259f49a5ed3de74522c777

  • memory/2204-22-0x0000000001310000-0x000000000145F000-memory.dmp

    Filesize

    1.3MB

  • memory/2204-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB