Overview

overview

10

Static

static

10

Build.bat

windows7-x64

1

Build.bat

windows10-2004-x64

1

builder.exe

windows7-x64

1

builder.exe

windows10-2004-x64

1

keygen.exe

windows7-x64

1

keygen.exe

windows10-2004-x64

1

Resubmissions

24-09-2022 09:21

220924-lbh5csahf7 10

Analysis

  • max time kernel
    61s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2022 09:21

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General

  • Target

    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\Build.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Users\Admin\AppData\Local\Temp\keygen.exe
      keygen -path C:\Users\Admin\AppData\Local\Temp\Build -pubkey pub.key -privkey priv.key
      2⤵
        PID:2956
      • C:\Users\Admin\AppData\Local\Temp\builder.exe
        builder -type dec -privkey C:\Users\Admin\AppData\Local\Temp\Build\priv.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3Decryptor.exe
        2⤵
          PID:3592
        • C:\Users\Admin\AppData\Local\Temp\builder.exe
          builder -type enc -exe -pubkey C:\Users\Admin\AppData\Local\Temp\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3.exe
          2⤵
            PID:3192
          • C:\Users\Admin\AppData\Local\Temp\builder.exe
            builder -type enc -exe -pass -pubkey C:\Users\Admin\AppData\Local\Temp\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3_pass.exe
            2⤵
              PID:2604
            • C:\Users\Admin\AppData\Local\Temp\builder.exe
              builder -type enc -dll -pubkey C:\Users\Admin\AppData\Local\Temp\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3_Rundll32.dll
              2⤵
                PID:3176
              • C:\Users\Admin\AppData\Local\Temp\builder.exe
                builder -type enc -dll -pass -pubkey C:\Users\Admin\AppData\Local\Temp\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3_Rundll32_pass.dll
                2⤵
                  PID:4488
                • C:\Users\Admin\AppData\Local\Temp\builder.exe
                  builder -type enc -ref -pubkey C:\Users\Admin\AppData\Local\Temp\Build\pub.key -config config.json -ofile C:\Users\Admin\AppData\Local\Temp\Build\LB3_ReflectiveDll_DllMain.dll
                  2⤵
                    PID:4580

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

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

                  344B

                  MD5

                  2cf861a5be792a044277b220f88d1e2a

                  SHA1

                  d0f2f0b07b34e3acb0fba0edb92f76aed7fcbae5

                  SHA256

                  51f67a69d4b4b75808b7e07bf931d5e4dd1112541d471b42ad9a868eae4f1bfa

                  SHA512

                  a7993bf28bb1863f854a5253008e463c7106d7dc0379d2f787eba5be8f06cdabaef7bded4aab45dd4a3fbe566c244a8b3afd9fbe4d665e1147f49c2677e682b7

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

                  344B

                  MD5

                  03ebe2b097e7b9663d255f2b20222baa

                  SHA1

                  00b8b57cc04209b8e2c27e83f52f22074ec2a2f3

                  SHA256

                  6d384597266488af718d4433bc02b31aa18293a6232c6ab8dc2a7d67d9b38823

                  SHA512

                  ad355e435b3c2a2d3f9e45a93cc1a935e3710f96fa160f32b498195186b2a71f1eb63e71cfa665f138b4d785c76c69bae6ac9372cd5dcbbe57111e5c37b4f68c

                  Download Submit