Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 00:41

General

  • Target

    c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.exe

  • Size

    554KB

  • MD5

    0bb06148fac3c563604b98644a0e5f76

  • SHA1

    d34b61347864c40bb900357467318f7f6e50a296

  • SHA256

    c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef

  • SHA512

    ea2a9b03861beb22228ddc7504cfb0d9f988579936aec6825a83a1a01a52f4c6f98c7ccaa2174d15e377ba8532f77f741995eb4dff11edb7b898b0413eef69c6

  • SSDEEP

    12288:dNaDfsMMSsMMfBvMcsCMcs/fzQ0+RT/S1QLxtnu3R1MZEJIXBjvrEH75:dIDfsMMSsMMfBvMcsCMcs/c0+RT/pltY

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
  • 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 3 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 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.exe
    "C:\Users\Admin\AppData\Local\Temp\c7f8de00647ea90d7381835b6473cdb9fee36eaee9f0bb5a4b79457034e4bdef.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:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\mass.dat

    Filesize

    620B

    MD5

    587decdcbf15d66342998c64965bc644

    SHA1

    7f7e1988599a0d560c397afbb592a6d804fd1406

    SHA256

    909ac346d66f98207d6272a5ec0311ab413fb84e4d3dccf14efc594f8d453bcb

    SHA512

    aff2a6ae92ba94ea3c95898f77653a690db6da1c1f0e52c855646e55247282a90b6bd3ada774aacac09056a5bee019c232767a09f2c98c4d6ff8d7bff06218d0

  • C:\Users\Admin\AppData\Local\Temp\mass.dat

    Filesize

    912B

    MD5

    0520a731b031a1209932667638c1b7c5

    SHA1

    1096650ad8a9e260bb096e297a8037b2ae0347fd

    SHA256

    fbc1d5495834743437e1132c952826807625a2f0aa1c3f155b0baa3827154f40

    SHA512

    de4f44e3298d1e7c3a4b44ddf0f6977e98a3e5304f048abf14fada59716d3c8b04c2725046d821692abba23942462bde478e0807cdd8a8696e21f99fa94f7978

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2668-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2668-17-0x0000000000414000-0x0000000000417000-memory.dmp

    Filesize

    12KB

  • memory/2668-29-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB