Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 00:35

General

  • Target

    7986b9f92f59c912a48eb70c106323c3a0fe2fe4bcc9df44dbba9597a2a43efb.exe

  • Size

    463KB

  • MD5

    4bdb2fe819c1584f9d547067da2fb6c6

  • SHA1

    5ed51b2e38b036fd06e4199454d4dc180ac3b9ad

  • SHA256

    7986b9f92f59c912a48eb70c106323c3a0fe2fe4bcc9df44dbba9597a2a43efb

  • SHA512

    7f992b000f364f329505a255410f6fcd8fd96ec9038b393109701abbb74df18eff8fb3f13c3b32a81c8036ae7745aff511cf3ff82b08b28caf17bad0773ff5d0

  • SSDEEP

    12288:4ACR4yPv68Nq9hllPciXyoSLewYBjvrEH7Ez:8lkXvclqrEH7Ez

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.

  • 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 22 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 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7986b9f92f59c912a48eb70c106323c3a0fe2fe4bcc9df44dbba9597a2a43efb.exe
    "C:\Users\Admin\AppData\Local\Temp\7986b9f92f59c912a48eb70c106323c3a0fe2fe4bcc9df44dbba9597a2a43efb.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\bcdedit.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\Windows\system32\bcdedit.exe
        C:\Windows\SysNative\bcdedit.exe
        3⤵
          PID:712

    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/716-28-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/716-16-0x0000000075D90000-0x0000000075DF3000-memory.dmp

      Filesize

      396KB

    • memory/716-32-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/716-15-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-33-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-17-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/716-18-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-35-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/716-27-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-0-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-31-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-12-0x0000000075D90000-0x0000000075DF3000-memory.dmp

      Filesize

      396KB

    • memory/716-11-0x0000000075DA5000-0x0000000075DA6000-memory.dmp

      Filesize

      4KB

    • memory/716-22-0x0000000075D90000-0x0000000075DF3000-memory.dmp

      Filesize

      396KB

    • memory/716-37-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-39-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-41-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-44-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/716-43-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-45-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-47-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-49-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-51-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/716-53-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB