Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 00:31

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 23 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:2372
    • 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:2404
      • C:\Windows\system32\bcdedit.exe
        C:\Windows\SysNative\bcdedit.exe
        3⤵
          PID:1028

    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/2372-29-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-18-0x0000000076F30000-0x0000000076F65000-memory.dmp

      Filesize

      212KB

    • memory/2372-1-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-15-0x0000000076F36000-0x0000000076F37000-memory.dmp

      Filesize

      4KB

    • memory/2372-32-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-19-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-20-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-33-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-25-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-24-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-28-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-14-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-11-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-21-0x0000000076F30000-0x0000000076F65000-memory.dmp

      Filesize

      212KB

    • memory/2372-37-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-36-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-38-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-40-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-42-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-44-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-46-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-48-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-50-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB

    • memory/2372-52-0x0000000000400000-0x0000000000500000-memory.dmp

      Filesize

      1024KB