Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 01:54

General

  • Target

    2024-12-10_e3c00abc7bd8d0e259a511be8efd83e0_floxif_icedid_luca-stealer.exe

  • Size

    6.4MB

  • MD5

    e3c00abc7bd8d0e259a511be8efd83e0

  • SHA1

    16d657bce10588547da36ffe5713553c06478766

  • SHA256

    79b85b6c74c64fb3e998b9a760c1e66a8199784fb6a01b5aa7cab1b45bdea8b6

  • SHA512

    dd86b08702465ec1e82d03e4361db93e7a09c94f613de242cdb9d5049ab710b71de6215ecf12e35a2b6fe5b78b0eb33968f397007cb96db9620290975be682ae

  • SSDEEP

    98304:3qJbc5xtz+kl/m5lifvc/PKk+ExnaZ/l+7Y1rtJKCg8n:6Jk+y/mnif0KkLaZ/l+7Y1rtECg8n

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\2024-12-10_e3c00abc7bd8d0e259a511be8efd83e0_floxif_icedid_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-10_e3c00abc7bd8d0e259a511be8efd83e0_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:1028
    • 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:4432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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/1028-23-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-36-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-26-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1028-30-0x0000000076A55000-0x0000000076A56000-memory.dmp

    Filesize

    4KB

  • memory/1028-29-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-33-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-22-0x0000000076A55000-0x0000000076A56000-memory.dmp

    Filesize

    4KB

  • memory/1028-37-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1028-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1028-43-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1028-49-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1028-55-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB

  • memory/1028-57-0x0000000076A40000-0x0000000076AA3000-memory.dmp

    Filesize

    396KB