Analysis

  • max time kernel
    116s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 13:07

General

  • Target

    b8e1be8a453d1687e36cafc4f523c604783eb68a4a9d04e58f1fe4204eb77cfbN.exe

  • Size

    654KB

  • MD5

    fdf6f889a2b46518925df31371d8a1b0

  • SHA1

    1e70ceee45f109b04328f0a8aac42bc67e35b394

  • SHA256

    b8e1be8a453d1687e36cafc4f523c604783eb68a4a9d04e58f1fe4204eb77cfb

  • SHA512

    bcb8720603222c7c99c0b5ffa24b8dfa76f30590e69736c64e3460daaede3776b4f94fbf8ab3bbb1a3feb4727862f8f11666186f22383e17055808472659e2f4

  • SSDEEP

    12288:HInxVTEmz2Wha8ia+7XzXqe0GAHW8MYxmc2mf8iJPsBjvrEH7i:on8m1ia+7Xz7HqW8MYxmc2K8ikrEH7i

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 7 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8e1be8a453d1687e36cafc4f523c604783eb68a4a9d04e58f1fe4204eb77cfbN.exe
    "C:\Users\Admin\AppData\Local\Temp\b8e1be8a453d1687e36cafc4f523c604783eb68a4a9d04e58f1fe4204eb77cfbN.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
    • Suspicious use of SetWindowsHookEx
    PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • memory/2060-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2060-6-0x000000000040F000-0x0000000000412000-memory.dmp

    Filesize

    12KB

  • memory/2060-12-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/2060-15-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/2060-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2060-17-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2060-20-0x0000000000400000-0x0000000000493000-memory.dmp

    Filesize

    588KB

  • memory/2060-23-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2060-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2060-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB