Resubmissions

13-11-2022 18:00

221113-wll9wacb66 10

22-09-2022 05:49

220922-gjgt2sabf4 10

21-09-2022 18:45

220921-xefn7aghd5 10

Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2022 18:00

General

  • Target

    LockBit30/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\LockBit30\Build.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\LockBit30\keygen.exe
      keygen -path C:\Users\Admin\AppData\Local\Temp\LockBit30\Build -pubkey pub.key -privkey priv.key
      2⤵
        PID:2544
      • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
        builder -type dec -privkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\priv.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3Decryptor.exe
        2⤵
          PID:1844
        • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
          builder -type enc -exe -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3.exe
          2⤵
            PID:1556
          • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
            builder -type enc -exe -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3_pass.exe
            2⤵
              PID:3972
            • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
              builder -type enc -dll -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3_Rundll32.dll
              2⤵
                PID:3400
              • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
                builder -type enc -dll -pass -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3_Rundll32_pass.dll
                2⤵
                  PID:3256
                • C:\Users\Admin\AppData\Local\Temp\LockBit30\builder.exe
                  builder -type enc -ref -pubkey C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\LB3_ReflectiveDll_DllMain.dll
                  2⤵
                    PID:3728

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\priv.key
                  Filesize

                  344B

                  MD5

                  5946bf575aeea7f2fba6050e25af3803

                  SHA1

                  28d78f48c0d00996df41f7b6326e6d7bd3b7df0c

                  SHA256

                  aaa353efc6cd20bcc25d080b4bb1d39f46193967982c0d55079c18519a3b41b3

                  SHA512

                  92c0a5dc8adbaa2af86c5662c3749292d926ad5b123e88c75db3a79a7f403e76deea326d20d228b8a226b672cd60a8b9c58e0115b0247c9bd168d94984d6d2eb

                • C:\Users\Admin\AppData\Local\Temp\LockBit30\Build\pub.key
                  Filesize

                  344B

                  MD5

                  515c832372cebdbf67d1c6e5cd4cb0dc

                  SHA1

                  13a125d2567b70989b9f42e3125ff8846acb16f0

                  SHA256

                  abd76a3834aee7c9450786f85ff7a6e04629809a219a3a2d83bb558885157958

                  SHA512

                  fd39e61c75ba9f63e5de92621f25914798e7fb9990851d2af48ae67e9120cc0acbb1e22526936ceb004023da0438bb13f3f481e3e9bb3b30a7ec0c86cf312606

                • memory/1556-135-0x0000000000000000-mapping.dmp
                • memory/1844-133-0x0000000000000000-mapping.dmp
                • memory/2544-132-0x0000000000000000-mapping.dmp
                • memory/3256-139-0x0000000000000000-mapping.dmp
                • memory/3400-138-0x0000000000000000-mapping.dmp
                • memory/3728-140-0x0000000000000000-mapping.dmp
                • memory/3972-137-0x0000000000000000-mapping.dmp