Analysis

  • max time kernel
    14s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 23:26

General

  • Target

    4fda766d57e16788d66e1ddc448c17e949a20ea144c45a568275db515b206ebc.exe

  • Size

    277KB

  • MD5

    50fe8e9df31a609dcff17c8ceb461557

  • SHA1

    a6b728906391042e5783402d851451a06809de66

  • SHA256

    4fda766d57e16788d66e1ddc448c17e949a20ea144c45a568275db515b206ebc

  • SHA512

    b465800d9fb495962c508be43e89fbd69eba6211b1c7f6a934aa464f8dcba12def7e249e17f50aa19b4f95475a6608d4be249acf04988ef4900dc4ca32e99135

  • SSDEEP

    6144:AA5NfkTC3dM7B+mCGBV+UdvrEFp7hKFG3:AA5Nfky6B+mCGBjvrEH7OG3

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 3 IoCs

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

  • Drops file in Program Files directory 1 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fda766d57e16788d66e1ddc448c17e949a20ea144c45a568275db515b206ebc.exe
    "C:\Users\Admin\AppData\Local\Temp\4fda766d57e16788d66e1ddc448c17e949a20ea144c45a568275db515b206ebc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1140-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1140-5-0x0000000000DB0000-0x0000000000DE5000-memory.dmp

    Filesize

    212KB

  • memory/1140-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB