Analysis

  • max time kernel
    115s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 08:36

General

  • Target

    7e23ea3f5c1a700806e8506d4d6354f4efec019ac20a98a5b84b91194270a241N.exe

  • Size

    213KB

  • MD5

    122538f975aaf5b1bddbb4d3b0db69f0

  • SHA1

    8c77a1a34665982d0c50cb3918830ef903458a04

  • SHA256

    7e23ea3f5c1a700806e8506d4d6354f4efec019ac20a98a5b84b91194270a241

  • SHA512

    661486ea170d747678fb739ee9a31d4a879c0940de5ffed379b01659ea93ff31093cf38e89e66e9f451ab55f49e8bb999a947eed6f57fcdc89dc359ade599415

  • SSDEEP

    6144:YokSdQ6mCtnRPF9cCGr/uHkBV+UdvrEFp7hKVh:YokinRNh4uHkBjvrEH7Ih

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 9 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e23ea3f5c1a700806e8506d4d6354f4efec019ac20a98a5b84b91194270a241N.exe
    "C:\Users\Admin\AppData\Local\Temp\7e23ea3f5c1a700806e8506d4d6354f4efec019ac20a98a5b84b91194270a241N.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:2400

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/2400-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-10-0x00000000013B0000-0x00000000013D6000-memory.dmp

    Filesize

    152KB

  • memory/2400-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-12-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-20-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2400-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB