Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250207-en
  • resource tags

    arch:x64arch:x86image:win11-20250207-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-02-2025 08:17

General

  • Target

    lmlmdos.exe

  • Size

    23KB

  • MD5

    5eb67cac2f9ef8a548ba327896909cda

  • SHA1

    b8f3612f2d00c581387b02a615ad178874b51329

  • SHA256

    f5c542679e18756fcaaf434a1df9ecee261c8fa6788b75dc64c458e4eef15f2d

  • SHA512

    40665518a5451f7bd86ca1e3ad58cec178566c0f45fde647e76c2bb8d81611ca61fe1974cb97988065239005ca63fc9de0c449d45357ee90a8a99ccd30a5415f

  • SSDEEP

    384:XweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZQy:oLq411eRpcnuI

Malware Config

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lmlmdos.exe
    "C:\Users\Admin\AppData\Local\Temp\lmlmdos.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:236
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=5424,i,1394014676065102427,603922297840707476,262144 --variations-seed-version --mojo-platform-channel-handle=4348 /prefetch:14
    1⤵
      PID:4056
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGluc3RhbGxkYXRldGltZT0iMTczODk1NTAyNyIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNDI3NjIxMTgwMDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjEwOTI5MDU2Mzc2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:3608
    • C:\Windows\SysWOW64\wermgr.exe
      "C:\Windows\system32\wermgr.exe" "-outproc" "0" "2632" "1180" "1168" "1176" "0" "0" "0" "0" "0" "0" "0" "0"
      1⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      PID:2024
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NTU1OEZCMTctRDk0Mi00NzBDLUExODctQTU3RDZEMjFDMUU0fSIgdXNlcmlkPSJ7OTM5MzY4MUMtMjNDMi00NEE5LTg2OEItNTVGN0RGQjMzQjRDfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9InszNjk5MjM3MS1ENTQwLTQ1RTgtODMwMC02M0VDNTUyQTY5NEZ9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9Ins1NkVCMThGOC1CMDA4LTRDQkQtQjZEMi04Qzk3RkU3RTkwNjJ9IiB2ZXJzaW9uPSIxMzIuMC4yOTU3LjE0MCIgbmV4dHZlcnNpb249IiIgbGFuZz0iIiBicmFuZD0iSU5CWCIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGluc3RhbGxkYXRldGltZT0iMTczODk1NDU0OSI-PGV2ZW50IGV2ZW50dHlwZT0iMzIiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjQiIHN5c3RlbV91cHRpbWVfdGlja3M9IjEwOTQ3ODA2NTg2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:468
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NTU1OEZCMTctRDk0Mi00NzBDLUExODctQTU3RDZEMjFDMUU0fSIgdXNlcmlkPSJ7OTM5MzY4MUMtMjNDMi00NEE5LTg2OEItNTVGN0RGQjMzQjRDfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9Ins4MjEwQzlENi1FOUU0LTQ3RUMtQjdBRS1GNTcxMzE3NzlFMUN9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9IntGM0M0RkUwMC1FRkQ1LTQwM0ItOTU2OS0zOThBMjBGMUJBNEF9IiB2ZXJzaW9uPSIxLjMuMTk1LjQzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSIiIGJyYW5kPSJJTkJYIiBjbGllbnQ9IiIgaW5zdGFsbGFnZT0iMCIgY29ob3J0PSJycmZAMC40OCI-PHVwZGF0ZWNoZWNrLz48cGluZyByPSIxIiByZD0iNjYxMiIgcGluZ19mcmVzaG5lc3M9IntENTQ1NTQwOC0yQTMxLTQ4NjgtODE1My0zQjRDRDBDMzcxMDZ9Ii8-PC9hcHA-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-PHBpbmcgcj0iMSIgcmQ9IjY2MTIiIHBpbmdfZnJlc2huZXNzPSJ7NDYxMTFDMUMtMDc4Mi00NkI2LUJEQkItQkU2OUVCRTk0MjI4fSIvPjwvYXBwPjwvcmVxdWVzdD4
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:4108
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=3980,i,1394014676065102427,603922297840707476,262144 --variations-seed-version --mojo-platform-channel-handle=3916 /prefetch:14
      1⤵
        PID:4140
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=4248,i,1394014676065102427,603922297840707476,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:14
        1⤵
          PID:3056

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

          Filesize

          380KB

          MD5

          cbaa983131144eed6bf6bf109ab301cf

          SHA1

          eef14bb485a355d578d97c8b77c2b57297bc9df8

          SHA256

          7042e449ec6b1fd6d4c827761e911275bcdfbc928599fdbd230c603dfc40b2e0

          SHA512

          e0dc140a2a79167d17f8b817c66edf880c7a8602422251410f1edc2facb53851ce2aaf84a977f844bb39733172821014de4408a24371ff65432e88b7967e80fa

        • C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

          Filesize

          406KB

          MD5

          a8e71844b6fa2aabb598e270ea195f54

          SHA1

          e21b485ad5cdebe0deaf9da2a0b56a5c110602eb

          SHA256

          9b4d61ea05925dce7c359d56815d789cce7a5a5dccf8abaf97a0cc89d16d74c1

          SHA512

          0ece2ea5edc33682b6ddddda63097cd2a174b7effacb3afef1774ee45bef27bcc0303e93b7734f17e997af5a4b71d85c14a00378aa7b8eb57073347d72d4043a

        • C:\Users\Admin\AppData\Local\Temp\server.exe

          Filesize

          23KB

          MD5

          5eb67cac2f9ef8a548ba327896909cda

          SHA1

          b8f3612f2d00c581387b02a615ad178874b51329

          SHA256

          f5c542679e18756fcaaf434a1df9ecee261c8fa6788b75dc64c458e4eef15f2d

          SHA512

          40665518a5451f7bd86ca1e3ad58cec178566c0f45fde647e76c2bb8d81611ca61fe1974cb97988065239005ca63fc9de0c449d45357ee90a8a99ccd30a5415f

        • memory/3108-15-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3108-14-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3108-12-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3108-17-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3108-18-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3108-19-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3848-0-0x0000000074011000-0x0000000074012000-memory.dmp

          Filesize

          4KB

        • memory/3848-13-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3848-2-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB

        • memory/3848-1-0x0000000074010000-0x00000000745C1000-memory.dmp

          Filesize

          5.7MB