Analysis

  • max time kernel
    145s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/07/2024, 03:03

General

  • Target

    b1949c307c6e69e315f9b21ea1005ea564d4492083b48e39bc39935986d4a1e9.exe

  • Size

    1.3MB

  • MD5

    2117b9c5a6bd4c3cd37dd627ef7a535b

  • SHA1

    cf7743dd73cac25cea2825d3d1a3155d2268e57e

  • SHA256

    b1949c307c6e69e315f9b21ea1005ea564d4492083b48e39bc39935986d4a1e9

  • SHA512

    50f4ec18ae3533d2b2c55d3db22a816491c1b46a722e225636fe6390ade431084bfcc6db7aed0267c4f84cab8ccba58578e3a8af707e6dfddb4ef2538a1c133f

  • SSDEEP

    12288:RuoXu9rYpV/Luk7zkk2IDFG4ACLZL9Fh6LtNkjOwbQXHwM/b25QGE3zJUuEZZf5Q:wUArYKLXv/bGQGE3FUTf32suLgirEH7o

Malware Config

Signatures

  • 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
  • UPX packed file 9 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1949c307c6e69e315f9b21ea1005ea564d4492083b48e39bc39935986d4a1e9.exe
    "C:\Users\Admin\AppData\Local\Temp\b1949c307c6e69e315f9b21ea1005ea564d4492083b48e39bc39935986d4a1e9.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:1812

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/1812-13-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-17-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-12-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-14-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-3-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-18-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-25-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-20-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-19-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-21-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-6-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-24-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-30-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-29-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-31-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-28-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-34-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-35-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-36-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-39-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-40-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1812-41-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB

        • memory/1812-43-0x0000000000400000-0x0000000000540000-memory.dmp

          Filesize

          1.2MB