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Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2025, 14:46

General

  • Target

    07a189663102b09aa7fb9113abf72bafbb5bd22daaeed37ff9109f5e21949e04.dll

  • Size

    377KB

  • MD5

    2d073222069feb10a48f6d1d4a0e0dc5

  • SHA1

    6e201449c35593a274ad301d7a92fa66b2501ec2

  • SHA256

    07a189663102b09aa7fb9113abf72bafbb5bd22daaeed37ff9109f5e21949e04

  • SHA512

    57ef848db705e185a86526799f96127a7b00fd82672ec65c53bbb0cb5bed2d2c659202703146438778dbf211ad51137b5c5e4597b40d5f5b9ea5b49133b2c586

  • SSDEEP

    6144:WJ3KbqxdjkUe+wQ+Rm60lb/vtPJYb+QMb1+6wb2sj6pCrmYBV+UdvrEFp7hKeQcs:WhT1Bb/vtPJYb+QMb1+6wbBsImYBjvrR

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
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\07a189663102b09aa7fb9113abf72bafbb5bd22daaeed37ff9109f5e21949e04.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\07a189663102b09aa7fb9113abf72bafbb5bd22daaeed37ff9109f5e21949e04.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2696

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/2696-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2696-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB