Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 04:53

General

  • Target

    a142a6652117f4a2e01caaaf8a273384494292bb98efd2524b36b119201477e9.exe

  • Size

    3.8MB

  • MD5

    8eca649f7af62e1aec1c09064da100df

  • SHA1

    f20108f98b2a2bfecb8c365da01d08d71c00a3dc

  • SHA256

    a142a6652117f4a2e01caaaf8a273384494292bb98efd2524b36b119201477e9

  • SHA512

    1a77e97f1f18e9f9f6a212eb34951feb355aa6f47b071b6a6a10d82e2bb9e1545acadc5fccb2f118bd66b0eeb90c5be8f72e5cb1a834225203a2f85dc5a93f3a

  • SSDEEP

    49152:VwYCFEJz3sKcA1990FW6drnq9QF/Fs454vn6puWV355FXw/+euWV355FXw/+AuW0:VwYzenA1990FW6drnq9QpFXmv8k

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.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 2 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
  • 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a142a6652117f4a2e01caaaf8a273384494292bb98efd2524b36b119201477e9.exe
    "C:\Users\Admin\AppData\Local\Temp\a142a6652117f4a2e01caaaf8a273384494292bb98efd2524b36b119201477e9.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3108

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\A1D26E2\6EB8C10C24.tmp

    Filesize

    3.7MB

    MD5

    e7be2c033c6ab0ba199b4717f98bc947

    SHA1

    6c964ec7100ad55922e186a157a445825998cfa4

    SHA256

    27c81c938edf0a2a06d8d80de7e852a61d8ff89ff17ab69b7818858edaa3c446

    SHA512

    ebec9d725a3c368329fb7c02eafefd69a412e2c871f693bfbdbf4ec5193ced4cb95e6de31e6e5b0ed56215b7bab7d6f851a2a3174314bec63204201848031b7a

  • memory/3108-23-0x0000000003190000-0x00000000031A2000-memory.dmp

    Filesize

    72KB

  • memory/3108-86-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/3108-18-0x0000000003020000-0x0000000003030000-memory.dmp

    Filesize

    64KB

  • memory/3108-0-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/3108-31-0x00000000031B0000-0x00000000031D1000-memory.dmp

    Filesize

    132KB

  • memory/3108-55-0x0000000003210000-0x0000000003220000-memory.dmp

    Filesize

    64KB

  • memory/3108-63-0x0000000003220000-0x0000000003240000-memory.dmp

    Filesize

    128KB

  • memory/3108-47-0x0000000003200000-0x0000000003210000-memory.dmp

    Filesize

    64KB

  • memory/3108-39-0x00000000031E0000-0x00000000031F1000-memory.dmp

    Filesize

    68KB

  • memory/3108-9-0x0000000003280000-0x0000000003418000-memory.dmp

    Filesize

    1.6MB

  • memory/3108-85-0x0000000077575000-0x0000000077576000-memory.dmp

    Filesize

    4KB

  • memory/3108-10-0x0000000003070000-0x0000000003083000-memory.dmp

    Filesize

    76KB

  • memory/3108-87-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB

  • memory/3108-90-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB

  • memory/3108-91-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3108-93-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3108-92-0x0000000000400000-0x0000000000623000-memory.dmp

    Filesize

    2.1MB

  • memory/3108-96-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB

  • memory/3108-99-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB

  • memory/3108-101-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3108-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3108-130-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB

  • memory/3108-132-0x0000000077560000-0x00000000775C3000-memory.dmp

    Filesize

    396KB