Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 15:49

General

  • Target
    2026-04-15_7c988e52c0f6472a638feda9eb5b4c85_coinminer_elex_floxif_jaku_nymaim_rhadamanthys_wannacry.exe
  • Size 1.8MB
  • Sample260415-s9ecdsez2s
  • SHA256 5eaa7b8675dcc57aa028777352bcab9368672e3294e3b5ebd33c51b418b15d14
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Floxif, Floodfix

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

  • Detects Floxif payload 1 IoCs
  • Custom signature
    UPX dump on OEP (original entry point) 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-15_7c988e52c0f6472a638feda9eb5b4c85_coinminer_elex_floxif_jaku_nymaim_rhadamanthys_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_7c988e52c0f6472a638feda9eb5b4c85_coinminer_elex_floxif_jaku_nymaim_rhadamanthys_wannacry.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5712
      • C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3128
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5724
          • C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 3128
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2180
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat" "
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:5176
              • C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1876
                • C:\Windows\SysWOW64\mscaps.exe
                  "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
                  8⤵
                  • Executes dropped EXE
                  PID:5540
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5704
  • C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP TLSH

        24E8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\24E8.tmp
        • Size 406B
        • SHA256 27e678bf5dc82219d6edd744f0b82567a26e40f8a9dcd6487205e13058e3ed1f
        • MD5 SHA1 SHA512 TLSH

        151913D4FDC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\A1D26E2\151913D4FDC.tmp
        • Size 1.7MB
        • SHA256 ad131a4705ee27bd40dac579624295b9f7a2a43d5911f966a2bf45583c7a71c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wtmps.exe

        • Path C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        • Size 276KB
        • SHA256 3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373
        • MD5 SHA1 SHA512 SSDEEP TLSH

        launch.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        • Size 172KB
        • SHA256 6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WdExt.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        • Size 1.7MB
        • SHA256 c03698f2dfd85c9d75a035d4dc6b125715ba0e3eaf41492a2d0cb75ebc6c5d12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Admin0.bat

        • Path C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat
        • Size 129B
        • SHA256 b3c704b1a728004fc5e25899d72930a7466d7628dd6ddd795b3000897dfa4020
        • MD5 SHA1 SHA512 TLSH

        Admin1.bat

        • Path C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat
        • Size 372B
        • SHA256 8600dc7861248cfc733c9da29f6762e380b7de720e1955007211f412f83dbd37
        • MD5 SHA1 SHA512 TLSH

        Admin1.bat

        • Path C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat
        • Size 126B
        • SHA256 121db6d98b7287659ae5d183b12f6651c29145cc25eee1b884a7f2e6c87d534f
        • MD5 SHA1 SHA512 TLSH

        Admin2.bat

        • Path C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat
        • Size 102B
        • SHA256 4e7d460b8dc9f2c01b4c5a16fb956aced10127bc940e8039a80c6455901ea1f0
        • MD5 SHA1 SHA512 TLSH

        mydll.dll

        • Path C:\Users\Admin\AppData\Roaming\Temp\mydll.dll
        • Size 397KB
        • SHA256 46531fdcb25851c1cc9aabd320aea1925b459a3106040d1c37334b97980aaec2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydll.dll

        • Path C:\Users\Admin\AppData\Roaming\Temp\mydll.dll
        • Size 397KB
        • SHA256 172c5d203978efd4c41ff771b9d91cdaf6b7dbc243f4e49d3494f0eb68e174d0
        • MD5 SHA1 SHA512 SSDEEP

        mscaps.exe

        • Path C:\Windows\SysWOW64\mscaps.exe
        • Size 200KB
        • SHA256 2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/780-361-0x0000000000820000-0x0000000000932000-memory.dmp

        memory/780-360-0x0000000000530000-0x000000000054A000-memory.dmp

        memory/1876-364-0x00000000007E0000-0x00000000008F2000-memory.dmp

        memory/1876-363-0x0000000000550000-0x000000000056A000-memory.dmp

        memory/2180-346-0x0000000000530000-0x000000000054A000-memory.dmp

        memory/2180-347-0x0000000000790000-0x00000000008A2000-memory.dmp

        memory/3128-259-0x0000000010000000-0x0000000010015000-memory.dmp

        memory/3128-342-0x00000000009A0000-0x0000000000AB2000-memory.dmp

        memory/4060-8-0x0000000002300000-0x0000000002315000-memory.dmp

        memory/4060-253-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4060-251-0x0000000000850000-0x0000000000962000-memory.dmp

        memory/4060-4-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/5176-366-0x0000000000EE0000-0x0000000000FF2000-memory.dmp

        memory/5176-365-0x0000000000EC0000-0x0000000000EDA000-memory.dmp