Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/04/2025, 16:14

General

  • Target

    efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe

  • Size

    75KB

  • MD5

    8ebdcaf6fbc92463685d03d5b213316f

  • SHA1

    9587fb9b53ec8be62b7f51c39ce7a4cd40ed8340

  • SHA256

    efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5

  • SHA512

    1ad2a8ce4c10306fd892024a9f9f65b2d8ea42533425264e00082078ea3508773c91d52e2ff26a5710e22012a7631d3ced370b08791bdd3117d752b6a9f597f5

  • SSDEEP

    1536:2EaYzMXqtGNttyeiZnZLYm1XEToa9D4ZQKbgZi1dst7x9PxQ:2EaY46tGNttyeQLYm1DlZQKbgZi1St7y

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • 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.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3584
      • C:\Users\Admin\AppData\Local\Temp\efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe
        "C:\Users\Admin\AppData\Local\Temp\efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:860
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3192
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4116
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a491F.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Users\Admin\AppData\Local\Temp\efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe
            "C:\Users\Admin\AppData\Local\Temp\efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe"
            4⤵
            • Executes dropped EXE
            PID:732
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3136
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:920
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1632
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3380
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe

      Filesize

      132KB

      MD5

      dc01a6ab4cf6e84d10d802d41c268220

      SHA1

      3b45ebeb7158cf667b125efbd2e417071bb2819d

      SHA256

      024c028dcc86ae283878cfe848b86f5539d1c14ebc9f3ef9ee46510c4a30e407

      SHA512

      a7d6f1120067ba5fc44d3fb57dc42f93cb6c08310c3dd3a11fdc42b01dd2931168e0dd0a42f6b8e4b55f6300ce28aae2a96e9d6ebf1498aff56ac305f4fc554d

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      582KB

      MD5

      f610140e8045de75c009b0817ec73c97

      SHA1

      c6d4da7f61f9f37c2e136a2c21b3f875c8cbe74e

      SHA256

      a2bdb669d734dd9b58c8012f459bc49e1aa9a539b6adc11d8ad1e31a3ca594b6

      SHA512

      7c634b39c6be95ec8be5861e6cc53cd9e32137b8588da259465f8acf2f7c6c90f475ac143b23ba3c2c27ee7a8265c02485d5dd42ca5b5d94a3cf2bd3240547da

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      644KB

      MD5

      aa1f66c378cbdbcb7882e245c07b9def

      SHA1

      e50b4c0b495f97317f96ae0c42ca452b504e3970

      SHA256

      1aa4de231335138bca74aa29fdf52f58adbe09b68e8d717e6549a0ad400c6f8f

      SHA512

      9894d2bae12941be81164f3d00f9d90b69b421f9dbbd4436937ef667783a70d70c640e3fd5e7855bcb9e9ece0e04d2866140692dadffc19a3de1e8bf661ed9ed

    • C:\Users\Admin\AppData\Local\Temp\$$a491F.bat

      Filesize

      722B

      MD5

      6a230909c0a44a78423001f39d46cca5

      SHA1

      df634d0921728f380cf539da0abe3af9ac088e14

      SHA256

      6ae0153d26c18336cd8c45eabb4aa1fef11237125ddd20af63a2e06d8f077a8a

      SHA512

      4f27dd627ff767777e0cd5d1155b688adb99e36d59d48beb65bf7b0418bc6126f51b17fe03ada7bc442394d04f346c8e4217e7e31f3a0a7e8f0ea08d4f9d39c8

    • C:\Users\Admin\AppData\Local\Temp\efb2e7abfca1956d31c9ff7b4290205047dd4a019a64fa1eb8e24ebb6828d3c5.exe.exe

      Filesize

      41KB

      MD5

      977e405c109268909fd24a94cc23d4f0

      SHA1

      af5d032c2b6caa2164cf298e95b09060665c4188

      SHA256

      cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

      SHA512

      12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      1aeb31ee1d951ea2e78a19f5b23cd7e4

      SHA1

      3dd09718e9e4bcc2a03d11456815d56b4e2587c4

      SHA256

      537daec8665ada5375e0c87619d5d0992bfe0e7d9c976702554e20ae857eb6f9

      SHA512

      06cbed6a3557d9f57d0e2e4ace95ff43501dc8a83262db49ce6d4feba98026c5453432048ba3bb55a4c339479d34384c3081d0e2b27daa09a00be0226daed2a1

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-83325578-304917428-1200496059-1000\_desktop.ini

      Filesize

      8B

      MD5

      b7ec1da49148e97bf44f32e8f6d562b0

      SHA1

      957456b7a1d8c1f9b7bdfb5105d0d92005e74159

      SHA256

      aba4a691666b271da9aa9ccb8261bb6c7bbf763942555ff56423e46e00d032bb

      SHA512

      30cd415a858163446330517079193e6c9a50f5dd1b08b4536546e508a0f40c7f9da83649a4dd6579b714d27f797ba075fd043be31e6ee6fd44c51a479fb710ae

    • memory/860-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/860-12-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3136-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3136-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3136-1631-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3136-9485-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3136-9982-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB