Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 08:14

General

  • Target

    f27ceba40085c7140c5c32b6d9c187199038df0c37905bfcd87e1b795f56c22c.exe

  • Size

    1.1MB

  • MD5

    4863a5fb57c3b6d44efecbd190e877b1

  • SHA1

    09ec1d3ec7aa69c88c5e573fa7f0d6041a9e015c

  • SHA256

    f27ceba40085c7140c5c32b6d9c187199038df0c37905bfcd87e1b795f56c22c

  • SHA512

    7de6e8feface79293bd677972b732c59eaff681585d9eed835f2290fc141a4f0964c47b82a97efbc97d4db8120b69560ceed8f0a3faa6e575e946592ac904145

  • SSDEEP

    24576:BguyjPyu08DHvMzIPvXZKZEMMMMMMMUrEH76:/yzy6DoInjMMMMMMM+

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 8 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f27ceba40085c7140c5c32b6d9c187199038df0c37905bfcd87e1b795f56c22c.exe
    "C:\Users\Admin\AppData\Local\Temp\f27ceba40085c7140c5c32b6d9c187199038df0c37905bfcd87e1b795f56c22c.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2756

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

  • C:\Users\Admin\AppData\Local\Temp\A1D26E2\70CDBBCAC4.tmp

    Filesize

    1.0MB

    MD5

    b9df473095c012c565d61d2cf330fc72

    SHA1

    8f3ab52a614c4f4a55861f6859f8c5f56e8b144c

    SHA256

    f55386d261f7281aa1452b7c305938f83f41f7ae08c1f9dcb39635d6632b65a4

    SHA512

    62083826956d458b6c8fe7b291e4324a7dc328e3a37c8462ecce90a2983f5a026bd442642761b2b5f608f6a79f00223e9d80caec07ad56760f8f55aa959e8f6f

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2756-37-0x0000000076166000-0x0000000076167000-memory.dmp

    Filesize

    4KB

  • memory/2756-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-36-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2756-5-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2756-40-0x0000000076160000-0x0000000076195000-memory.dmp

    Filesize

    212KB

  • memory/2756-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-42-0x0000000076160000-0x0000000076195000-memory.dmp

    Filesize

    212KB

  • memory/2756-45-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-48-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-53-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2756-54-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB