Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 07:29

General

  • Target
    2026-10-12_46cf9e9a8fe8299d981c6e26601d4a64_coinminer_darkside_elex_lockbit.exe
  • Size 146KB
  • Sample261012-jbfm5axy4k
  • SHA256 2157af59f5d46c874d0586e73d0cb746651923ad9059c30a216091a409f9f2f0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (4958) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-12_46cf9e9a8fe8299d981c6e26601d4a64_coinminer_darkside_elex_lockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-12_46cf9e9a8fe8299d981c6e26601d4a64_coinminer_darkside_elex_lockbit.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\ProgramData\FBDB.tmp
      "C:\ProgramData\FBDB.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:9604
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\FBDB.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        EEEEEEEEEEE

        • Path C:\$Recycle.Bin\S-1-5-21-1404337215-1550464601-2805570857-1000\EEEEEEEEEEE
        • Size 129B
        • SHA256 673e803d0f4bed0e5e57cd6be3834741bfe1efb2335279c3d3bf7748ca8d0be8
        • MD5 SHA1 SHA512 TLSH

        LNdmiVLUP.README.txt

        • Path C:\LNdmiVLUP.README.txt
        • Size 701B
        • SHA256 864cfba810153ff3023f40b921023521cd42efb6b27a310d6a6749b6d2e12e9d
        • MD5 SHA1 SHA512 TLSH

        FBDB.tmp

        • Path C:\ProgramData\FBDB.tmp
        • Size 14KB
        • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

        • Path C:\Users\Admin\AppData\Local\Temp\BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
        • Size 146KB
        • SHA256 d5b505ea8e711930409737a2929bd801563168b7effbd7ff28cc482fc9312c77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AddRead.wav.LNdmiVLUP

        • Path C:\Users\Admin\Downloads\AddRead.wav.LNdmiVLUP
        • Size 389KB
        • SHA256 68dbf0681a16a17ff0fd54d3eb01011bdaf370cb236b600bf9861e3b42248291
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ApproveWait.wax.LNdmiVLUP

        • Path C:\Users\Admin\Downloads\ApproveWait.wax.LNdmiVLUP
        • Size 165KB
        • SHA256 eb922157bca0b097fcfd53eb60479bbdece699f718bf91093c82f56f53412f27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CloseUnregister.xlsm.LNdmiVLUP

        • Path C:\Users\Admin\Downloads\CloseUnregister.xlsm.LNdmiVLUP
        • Size 399KB
        • SHA256 da3ab2db965d60af8abbcd0b3ebb05d230cae708a1e0a9fe2b01cdc37e71f65f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BBBBBBBBBBB

        • Path F:\$RECYCLE.BIN\S-1-5-21-1404337215-1550464601-2805570857-1000\BBBBBBBBBBB
        • Size 129B
        • SHA256 548375abe5ce2b44309aa8b47eaf6a88c6abcd7eb0aee50ed275f9cd0ec3958b
        • MD5 SHA1 SHA512 TLSH

        memory/2976-7465-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/2976-7467-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/2976-0-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/2976-7466-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/2976-2-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/2976-1-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/9604-12518-0x000000007FE90000-0x000000007FE91000-memory.dmp

        memory/9604-12520-0x000000007FE70000-0x000000007FE71000-memory.dmp

        memory/9604-12521-0x000000007FE10000-0x000000007FE11000-memory.dmp

        memory/9604-12519-0x0000000002370000-0x0000000002380000-memory.dmp

        memory/9604-12522-0x0000000002370000-0x0000000002380000-memory.dmp

        memory/9604-12576-0x000000007FE30000-0x000000007FE31000-memory.dmp

        memory/9604-12577-0x000000007FE50000-0x000000007FE51000-memory.dmp