Analysis

  • max time kernel
    144s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2024 13:26

General

  • Target

    2024-07-31_bdc9ccfd02299a912f601544b3ee8a3a_floxif_magniber.exe

  • Size

    5.2MB

  • MD5

    bdc9ccfd02299a912f601544b3ee8a3a

  • SHA1

    21b35ec7699684e30eedab35f5d35377df3588c6

  • SHA256

    ee80f200d5d6b03469af91238f8e14321bbd6f302dc950f83da2154dbd07eb56

  • SHA512

    8df2d65b913c84d527c9a453d94cb2bf2a431fece2ca86642ec0627544dba310ab02c9d7da354bf823fe73233f9f18c5db8c6abc852b3a84b0f98a2c35501e00

  • SSDEEP

    98304:QbiYtOFMxvGGGfwhpX8WGEOkIpTIvnN73a9cchKNWnchtlYGtLsbr257iMKN:QbiYtOFMxvGGGfw7MWG8NnNrgheWn8WF

Malware Config

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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
  • UPX packed file 11 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • 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.

  • Modifies registry class 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-31_bdc9ccfd02299a912f601544b3ee8a3a_floxif_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-31_bdc9ccfd02299a912f601544b3ee8a3a_floxif_magniber.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 WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\2024-07-31_bdc9ccfd02299a912f601544b3ee8a3a_floxif_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-07-31_bdc9ccfd02299a912f601544b3ee8a3a_floxif_magniber.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2916

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/1916-68-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-73-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-105-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-46-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-10-0x0000000003900000-0x0000000004682000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-40-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-97-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-93-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-89-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-85-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-81-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-6-0x00000000008FA000-0x00000000008FB000-memory.dmp

    Filesize

    4KB

  • memory/1916-77-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-56-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-74-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-50-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-67-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-4-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-101-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-61-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-62-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-47-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1916-55-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/1916-54-0x0000000003900000-0x0000000004682000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-31-0x0000000003150000-0x0000000003170000-memory.dmp

    Filesize

    128KB

  • memory/2916-51-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-36-0x0000000003D80000-0x0000000003F7E000-memory.dmp

    Filesize

    2.0MB

  • memory/2916-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2916-43-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2916-38-0x0000000003D80000-0x0000000003F7E000-memory.dmp

    Filesize

    2.0MB

  • memory/2916-35-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-32-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-30-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-28-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-23-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-25-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-29-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-27-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/2916-12-0x0000000003D80000-0x0000000003F7E000-memory.dmp

    Filesize

    2.0MB

  • memory/2916-16-0x0000000003D80000-0x0000000003F7E000-memory.dmp

    Filesize

    2.0MB

  • memory/2916-9-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB