Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 20:52

General

  • Target

    25cce06d304be9da9d07f30e7fffc3d911a49e1e9b7114aab96ef4dcb7b16e02.exe

  • Size

    527KB

  • MD5

    8789dc877736fffdd456c368bb2d853e

  • SHA1

    bd2edba5842368db2de86d51314f70c9a3a2f344

  • SHA256

    25cce06d304be9da9d07f30e7fffc3d911a49e1e9b7114aab96ef4dcb7b16e02

  • SHA512

    ab0510e2834339bae437c155342189140528f196d4ff35b54004675b79d1c09c8694116be11b099d86b4871b60a28e9d45bc9df453b9758d4aec0202e6500f54

  • SSDEEP

    12288:yXcHH3lY2vrGRjgCFIOOH5q1b8C9tmRWAABjvrEH7db:ysHVY2r4gCFIL0rPmtirEH7V

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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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 9 IoCs

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

  • Drops file in Program Files directory 2 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25cce06d304be9da9d07f30e7fffc3d911a49e1e9b7114aab96ef4dcb7b16e02.exe
    "C:\Users\Admin\AppData\Local\Temp\25cce06d304be9da9d07f30e7fffc3d911a49e1e9b7114aab96ef4dcb7b16e02.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2264-14-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2264-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2264-12-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-13-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2264-6-0x0000000000445000-0x0000000000448000-memory.dmp

    Filesize

    12KB

  • memory/2264-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-23-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2264-30-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2264-35-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB