Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 19:13

General

  • Target

    85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe

  • Size

    1.9MB

  • MD5

    12cc44ed02a82002775bbef8ea6c854f

  • SHA1

    5a1bacc8e78dc5ca7de1c5f4a48d08bfa40791e0

  • SHA256

    85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25

  • SHA512

    194fec65ff5660a80a255256324d9c991ae9bd71dd87324b16900bb9ce02b20a2921100e4ceea370412c43e4bc3a48d9cabb96d13dffc9d6531602efc0db6ac0

  • SSDEEP

    49152:WWPTW3vYptbUE0QI662K8E11Jkc/ookTD79C6A4tVxckwDXs:rptbUE0Qw2K51Jkc/ooYk45xj

Malware Config

Signatures

  • 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe
    "C:\Users\Admin\AppData\Local\Temp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.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:1532
    • C:\Users\Admin\AppData\Local\Temp\jds240629718.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe
      "C:\Users\Admin\AppData\Local\Temp\jds240629718.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\jds240629718.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe

    Filesize

    1.6MB

    MD5

    2ae766974ba27233b9a3875bc1f2ce65

    SHA1

    6b93e73130fb70c1abf199768fef983466827bbc

    SHA256

    acf5e22c4b1a98dc889fe2ad25626ea6fb8cce66edf1c2a4773ad4742f71203c

    SHA512

    d579d3d14857365cf1f2cf4d7d9f29f47a4dd071d61b4dd4c1310ae2864ea2671d6d55042e49ba57600b936420f09feb3d3005047bdc317dee488ee187026b7a

  • C:\Users\Admin\AppData\Local\Temp\jds240629718.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe.tmp

    Filesize

    1.6MB

    MD5

    fd2b259407f5bed555b193cf96895e15

    SHA1

    84865448f1e0c1054b7a05f6c7ae123e69919361

    SHA256

    906e843bca222b76f3b31d41e4e9b386ecee6e0a8a0ec501a64648bcd007563b

    SHA512

    0c553b814578580b0fb21003158140aa0a40335ea68544602600501df54068bf6a0662e9ae70c921f0974f79d60266659c73de37eef35973d4cad01c7e85e2fc

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    164KB

    MD5

    e9a05697c4ab9feea88eab348d10cd80

    SHA1

    1ac7358c56f189f93dee4659419cef770ba2358d

    SHA256

    927d7b794365dfeb54d945f2116a6e3cf10ad5720a2aff3a9094a7c4800709f5

    SHA512

    45c7937b5ffd3f764c304ddd9fd023445701bcbcc61c27d3d3f79003806dc879d82a8b73561b28608eb47dfc7a03a2a57e72af3b3292266f7979f29870bc8ea5

  • memory/1532-130-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1532-6-0x0000000000FB1000-0x0000000000FB2000-memory.dmp

    Filesize

    4KB

  • memory/1532-131-0x0000000000FB0000-0x000000000117F000-memory.dmp

    Filesize

    1.8MB

  • memory/1532-139-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1532-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1532-146-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1532-164-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3528-133-0x0000000000680000-0x0000000000815000-memory.dmp

    Filesize

    1.6MB