Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-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
  • 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
  • UPX packed file 7 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 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:216
    • 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: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4044

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

  • memory/216-86-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-82-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-106-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-102-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-98-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-94-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-90-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-1-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-54-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/216-8-0x00000000008FA000-0x00000000008FB000-memory.dmp

    Filesize

    4KB

  • memory/216-78-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-74-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-70-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-66-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-62-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-63-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/216-6-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/216-52-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/216-45-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/216-44-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-26-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-47-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4044-41-0x0000000003FD0000-0x00000000041CE000-memory.dmp

    Filesize

    2.0MB

  • memory/4044-59-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-38-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-39-0x0000000003FD0000-0x00000000041CE000-memory.dmp

    Filesize

    2.0MB

  • memory/4044-35-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-33-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-34-0x00000000047D0000-0x00000000047F0000-memory.dmp

    Filesize

    128KB

  • memory/4044-32-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-31-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-29-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-25-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB

  • memory/4044-18-0x0000000003FD0000-0x00000000041CE000-memory.dmp

    Filesize

    2.0MB

  • memory/4044-15-0x0000000003FD0000-0x00000000041CE000-memory.dmp

    Filesize

    2.0MB

  • memory/4044-13-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4044-10-0x0000000000400000-0x0000000001182000-memory.dmp

    Filesize

    13.5MB