Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 03:06

General

  • Target

    2025-02-03_fbba8bc1e713adf3b8e33959eb635ebe_floxif_icedid_luca-stealer.exe

  • Size

    6.4MB

  • MD5

    fbba8bc1e713adf3b8e33959eb635ebe

  • SHA1

    a824daf5152b30c73df7cc7a04fa152ce7ccbfd0

  • SHA256

    ef4faefcdf30cb673f674075e12f117dc7186eaa350e09fd352430bcf71ae977

  • SHA512

    816c04c0372d74a72d6db57fbaa00b63e7b19a3408b4507ffa743ec5dc3c8271333e0fcc07fbcab16fbc23f8abbf0cf541eb80b7bcc70a077f3f7f628719e198

  • SSDEEP

    98304:3qJbc5xtz+kl/m5lifKc/CKkuExnaZ/l+7Y1rtJKCg8/:6Jk+y/mnifOKkbaZ/l+7Y1rtECg8/

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
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 6 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-03_fbba8bc1e713adf3b8e33959eb635ebe_floxif_icedid_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-03_fbba8bc1e713adf3b8e33959eb635ebe_floxif_icedid_luca-stealer.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:5000
    • C:\Users\Admin\AppData\Local\Temp\geek64.exe
      C:\Users\Admin\AppData\Local\Temp\geek64.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • 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\geek64.exe

    Filesize

    3.5MB

    MD5

    2062e8118cf10d1fba19a80a885c80f0

    SHA1

    7e4a6fee0595832708b9cc9ee9b7d589f9c2bcc8

    SHA256

    316fbec9eca41deef9a63837dfaf4de4369ca507c5b2143cd3a805cb238e5057

    SHA512

    684533abd11842833a0a4bab308c5a06253307dd8f0297211624eb1acd36ade78bf85a19cf2c8f0cc0cf85593732ebd612d6c32ce49eff284ebd6d7e8aa922b2

  • memory/5000-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5000-5-0x0000000000590000-0x0000000000593000-memory.dmp

    Filesize

    12KB

  • memory/5000-23-0x0000000000400000-0x0000000000A56000-memory.dmp

    Filesize

    6.3MB

  • memory/5000-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5000-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5000-37-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5000-43-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB