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Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    12/12/2024, 00:29

General

  • Target

    2024-12-12_951cf2d701d269abbb9b8cce20302e70_bkransomware_floxif_hijackloader_icedid_luca-stealer.exe

  • Size

    35.2MB

  • MD5

    951cf2d701d269abbb9b8cce20302e70

  • SHA1

    39f82796e1bd8925aae38be15fd3f9b95dbb82fa

  • SHA256

    08847ffb9af9125848b0fbb430ef4c1a25e47e971e57383ca933a645f7dbf470

  • SHA512

    ef2d2319bf5965161d68191d10889b16e9593e74fbd1528c6183fdd5c5c58334c16c5891a32692315eccf22d0b25d3ccf4472555e55e39b1a2c9a516a3f71c9f

  • SSDEEP

    196608:Ks1X7ZCXnao5D9P9CEaSfi7fkElaucB+MJrfcWx1yl02CCunv/YjDF+JUvkxgzNe:Ks1QXFKSfi7cElYutvkxCEdDGm5ht

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 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-12_951cf2d701d269abbb9b8cce20302e70_bkransomware_floxif_hijackloader_icedid_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-12_951cf2d701d269abbb9b8cce20302e70_bkransomware_floxif_hijackloader_icedid_luca-stealer.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 228
      2⤵
      • Program crash
      PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2684-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2684-5-0x0000000066217000-0x000000006621A000-memory.dmp

    Filesize

    12KB

  • memory/2684-6-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

    Filesize

    1.8MB

  • memory/2684-12-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

    Filesize

    1.8MB

  • memory/2684-13-0x000000007EDE0000-0x000000007EFA7000-memory.dmp

    Filesize

    1.8MB

  • memory/2684-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB