Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 18:08

General

  • Target

    LBLeak/Build.bat

  • Size

    741B

  • MD5

    4e46e28b2e61643f6af70a8b19e5cb1f

  • SHA1

    804a1d0c4a280b18e778e4b97f85562fa6d5a4e6

  • SHA256

    8e83a1727696ced618289f79674b97305d88beeeabf46bd25fc77ac53c1ae339

  • SHA512

    009b17b515ff0ea612e54d8751eef07f1e2b54db07e6cd69a95e7adf775f3c79a0ea91bff2fe593f2314807fdc00c75d80f1807b7dbe90f0fcf94607e675047b

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\LBLeak\Build.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\LBLeak\keygen.exe
      keygen -path C:\Users\Admin\AppData\Local\Temp\LBLeak\Build -pubkey pub.key -privkey priv.key
      2⤵
        PID:2884
      • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
        builder -type dec -privkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\priv.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3Decryptor.exe
        2⤵
          PID:4328
        • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
          builder -type enc -exe -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3.exe
          2⤵
            PID:4764
          • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
            builder -type enc -exe -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_pass.exe
            2⤵
              PID:1448
            • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
              builder -type enc -dll -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_Rundll32.dll
              2⤵
                PID:2292
              • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
                builder -type enc -dll -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_Rundll32_pass.dll
                2⤵
                  PID:4204
                • C:\Users\Admin\AppData\Local\Temp\LBLeak\builder.exe
                  builder -type enc -ref -pubkey C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\LB3_ReflectiveDll_DllMain.dll
                  2⤵
                    PID:1364

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\priv.key

                  Filesize

                  344B

                  MD5

                  a07c35de95c5ec443b1f24b457ade787

                  SHA1

                  b2972e3edc67b385ca788c7c26c2b5b369cd7b00

                  SHA256

                  2c5636a3340afb494c10dce408efa446ccb4115e215e281697ee23a045f6a669

                  SHA512

                  a5237c2f98fb817158947f3b0cad02ac7f3b36a8046b3c8dade661746d08d344455b27895f1812c29c1b8b97ed5ea047e0cf28efa9d986e9c4a93bd4fa94e408

                • C:\Users\Admin\AppData\Local\Temp\LBLeak\Build\pub.key

                  Filesize

                  344B

                  MD5

                  87954f3db954fdda61f4225a36e393d1

                  SHA1

                  41e9465c5f6e103e52258afe25d17d2cbdb86c96

                  SHA256

                  4371cef4b5b4a16c08dbe4f3b2d16ed83edc4bd9ba918899354998018ff0698a

                  SHA512

                  8ee6484c2581e8876d431a1bdc833b00f22bd9cdfb514abf0e092a009621e1424ac60937545b3a0f7a5152a702e906ba85a23172657aded9192538d938ebf799