Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 14:29

General

  • Target

    2024-12-11_60c7b5252ea7e31053fec8fd9287a926_bkransomware_floxif.exe

  • Size

    4.7MB

  • MD5

    60c7b5252ea7e31053fec8fd9287a926

  • SHA1

    6888464a8a1fa1a4e13378621d5b431f5e7eaea0

  • SHA256

    27aadd461e1a3479f66a4bd8f5edfbb776149735362ca0685c51dd19772f06d2

  • SHA512

    ce21a54b1d2d3404aa2926d069415ae21af61ac651813564c1a4ae0f15d4c675b5804fb9118effe0ff9ba850fbb0887d34f8eb5f8d86c67f5b1c9ef63aad3dbd

  • SSDEEP

    98304:kBe408l9dRPenSX5gSoCG0DHDB1dE46V3u/v:h+NenqG8L/v

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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-11_60c7b5252ea7e31053fec8fd9287a926_bkransomware_floxif.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_60c7b5252ea7e31053fec8fd9287a926_bkransomware_floxif.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2276

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/2276-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2276-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2276-5-0x00000000011C0000-0x0000000001681000-memory.dmp

    Filesize

    4.8MB