Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2025, 17:30

General

  • Target

    2025-01-09_235497d6679683d45d3bc35999d37f5e_floxif_icedid.exe

  • Size

    2.6MB

  • MD5

    235497d6679683d45d3bc35999d37f5e

  • SHA1

    ea7fce108c9ef2b8f23f0cc374234e0aa612bf2c

  • SHA256

    7927a961eb4821bb0870b7765602c25c7121717bf5f99d79479822b67bf1fa64

  • SHA512

    1751459a0858ec66eeb7f4b92aa8a58f69a2b78ad802472d5aec9b59f1ecb08e6662a6d6b26348e7f187ba6584a1e0a11d66e0d165744980daf382843b35cd04

  • SSDEEP

    24576:RpqzhKwykVFLvty85U+PzY0Ff5lAVElV7nTYSlLGaqln0d6PSdTjo8ufJa/zfzk3:RpAhDFy+zWOpLvqln0gQTWfJa/jzkjko

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
  • 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 9 IoCs

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

  • Drops file in Program Files directory 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-09_235497d6679683d45d3bc35999d37f5e_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-09_235497d6679683d45d3bc35999d37f5e_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
    PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2100-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-11-0x0000000076CC6000-0x0000000076CC7000-memory.dmp

    Filesize

    4KB

  • memory/2100-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-15-0x0000000076CC0000-0x0000000076CF5000-memory.dmp

    Filesize

    212KB

  • memory/2100-10-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-24-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-29-0x0000000076CC0000-0x0000000076CF5000-memory.dmp

    Filesize

    212KB

  • memory/2100-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2100-32-0x0000000076CC0000-0x0000000076CF5000-memory.dmp

    Filesize

    212KB