Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 00:48

General

  • Target

    2024-10-10_17509081a857efae665ac6022a91533e_floxif_icedid.exe

  • Size

    1.9MB

  • MD5

    17509081a857efae665ac6022a91533e

  • SHA1

    cf51b0bd0cec853ecf0921b1dc93d009a2e6912a

  • SHA256

    d2141e8ee81ee1b0eb5e5bc23462d06893ae62059edead4f7b8d3cfb37385859

  • SHA512

    9c6d3c77b9dcd634c46446f13357cf3d481c4b3ea38de1439dae09b43eef1de5137fb92ebb2ee97d6463d462f627dd5c8fdd1429bb40bcdf2261d6910e1254bd

  • SSDEEP

    24576:bvgihplWJhtl3hUt0oOYSzfwi29/xdHATun37YWX4+33IQkQrEH7i:b52lPTD29/gTunLrIE

Malware Config

Signatures

  • 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 5 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-10_17509081a857efae665ac6022a91533e_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_17509081a857efae665ac6022a91533e_floxif_icedid.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
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\cpuz_driver_2384.log
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cpuz_driver_2384.log

    Filesize

    1020B

    MD5

    01a95a056f25d16d4363dba15efcd9c4

    SHA1

    f5d08a7dea262de834ea1d3a6e6c6fffbcc721fa

    SHA256

    1652542787c648efccb24233256dab8d9b4adcb57972d054e10690c74454d45f

    SHA512

    73dcd9e142b145de76fa2fbdb157731a1e24f271a1873fd3cd1469ac912d06254cfb5dd8d60725287345bb5dfbad55eec763e2c41227da330a5932064d5ca84f

  • C:\Users\Admin\AppData\Local\Temp\cpuz_driver_2384.log

    Filesize

    661B

    MD5

    75e97fc652bcca1f3daf4a740ca48ad0

    SHA1

    98406af27401110dbb10423e70195d292988a860

    SHA256

    53a94d83c01e2586ba3f90179134b4acce1901f458779af4d404f6e98b70b4b1

    SHA512

    d03e848b252eb51c62c21393f7b9fab8da3fcf6fef015006a5ec5237da70e086d395b165ce92af36c20c906c0c5b39561c8bf63607402b092f29a57c66ea6fe9

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2384-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-5-0x000000000040E000-0x0000000000411000-memory.dmp

    Filesize

    12KB

  • memory/2384-35-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-42-0x0000000000400000-0x00000000005D9000-memory.dmp

    Filesize

    1.8MB

  • memory/2384-49-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-50-0x0000000000400000-0x00000000005D9000-memory.dmp

    Filesize

    1.8MB