Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 01:53

General

  • Target

    01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1aN.exe

  • Size

    1.2MB

  • MD5

    60c9d4d502691012277cee2e0baa05b0

  • SHA1

    6e06a52f818a371749154d395e678bdb6198bb80

  • SHA256

    01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1a

  • SHA512

    27c5bbee99c6f8999646af018254a1d1bb28b4cd6c28c99975fc2543dc371b4e6e1e1004c57cbd31411c31640170fd3253236c62b687755564dd0e1d957456f5

  • SSDEEP

    24576:PFOasuFWa8ivtCXWeGKVFGXFmUQlEk41/iOvJ4icghvMArEH7w:touNtCXWP0c1mzlEHRi64icghkw

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1aN.exe
    "C:\Users\Admin\AppData\Local\Temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1aN.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2800
    • \??\c:\users\admin\appdata\local\temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1an.exe 
      c:\users\admin\appdata\local\temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1an.exe 
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2928
      • \??\c:\users\admin\appdata\local\temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1an.exe 
        c:\users\admin\appdata\local\temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1an.exe 
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A1D26E2\3B7AA6CB70.tmp

    Filesize

    1.0MB

    MD5

    02b0150ce0d5ecc225accd5f65e33a88

    SHA1

    cbb885a450f8b14ffee4ea792f680f7f0b0ffd55

    SHA256

    60b63d6a99f6574e631f0cbb77337c4f73986b1771345eda2d0a319a6fa85a6e

    SHA512

    fec501362e2c5ab4ffe1664fbd6779ff9d13d49e80b985f576f00acecd173e0847e0c265ebba74b19a35ca0717cddeb899da15bea83d9d3a8ef7441439d25719

  • C:\Windows\Resources\Themes\icsys.icn.exe

    Filesize

    135KB

    MD5

    26d58900dd0d37c798fdb1a4f3251737

    SHA1

    1447f253d5e1c53f997d2524bee5039cee8b8ab6

    SHA256

    638723309c3f7cf34b04078fea111e5086f56a15ec8251427578ef2c95b2f97f

    SHA512

    382e7cd5eae029f135edb0d57ba2987959e970702e0263e7c11d9bc840d6766a42b853d3ebe3c191d0e6a4fe04750b1a9196933b48842f8e82254642e755a9c2

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\01d819892c01e735906072ecd4873332dad9ee97d3d8d7e51254332e2b17fd1an.exe 

    Filesize

    1.1MB

    MD5

    f0433491efe9faaeee6c10ecd0cef14f

    SHA1

    9bd3044c84616ab549e21027845a45d944280c5a

    SHA256

    54080b62eaffb4d081248fabaf8ab6b91d5a4b2afb10c51a2b893e14aaa2115c

    SHA512

    44b3d0c3f72b5a0dfb2b6c3d056a94a81cc5d5122cd636562ddadc645725352c0d06046124b8ade5cea6ca9ebf121403f59f12a5ff2653b336f2a8c0e9926945

  • memory/2800-26-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2800-8-0x00000000003E0000-0x00000000003FF000-memory.dmp

    Filesize

    124KB

  • memory/2800-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2928-20-0x0000000000411000-0x0000000000414000-memory.dmp

    Filesize

    12KB

  • memory/2928-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2928-24-0x00000000004E0000-0x00000000004FF000-memory.dmp

    Filesize

    124KB

  • memory/2928-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2928-37-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-29-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2960-38-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB