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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 21:15

General

  • Target

    d720b49b48eddeabdb907799af05318b.exe

  • Size

    1.1MB

  • MD5

    d720b49b48eddeabdb907799af05318b

  • SHA1

    1624a3f0c48f9116f41dbba054af0d1fd01b11d3

  • SHA256

    42a535d992bfeeb36d8f614d39d5546f7873dd4b9f4f78aead09bbffaa1b8aa2

  • SHA512

    43f3f1c073ad803ea72eaa92c353a0cc7058afdd7f554a925594ae6479c56b65b451a56ee110b18b861f2d0724fe3c3711d9bc82447fe5eeaf7d1aa940a0b442

  • SSDEEP

    24576:27Fm3nXFsCwGAhHRbujLPe+c3khOR43ZhOAZMHRBVpbdyUlC:27Fm3ndwBbbEPfMwORIhOAuHRBV38

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d720b49b48eddeabdb907799af05318b.exe
    "C:\Users\Admin\AppData\Local\Temp\d720b49b48eddeabdb907799af05318b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe
      C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe
        C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe
        3⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2576
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2380
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2652
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2144
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2400
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2736
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies registry key
            PID:2416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe

    Filesize

    1.5MB

    MD5

    b57ff3b288a59787d133b529c3b90e17

    SHA1

    592b6efca6a553254b25c679fd2fc70ebc585d67

    SHA256

    2ebb6fec641fbbf3eff4e20b26eca4c971387fcaf9514e6f277aaa6b72a533d0

    SHA512

    3e8c6882563c93c2ad805bee9cad5a57801e0cbb9afeae4f11aa6f21ff393149010c045373d84a41ac69124ccf33c905402a92d8e7c987728c8cc37a69bb002e

  • C:\Users\Admin\AppData\Local\Temp\JfbtqOH15ZaZy.exe

    Filesize

    1.1MB

    MD5

    7d0db0748511368d88dd757be2d5fea1

    SHA1

    32b4b33d9e7329431d992872a35a2d585102f964

    SHA256

    70c96db5f76d1ca9481a466adc29ce4bc28ae99f87e686f25e1c8685e25c62ee

    SHA512

    176c91c79aeafbd7b0059b58f30ebc6d863b5189e018febb7e50e2e1c000bb8f02f580dba293339ffe3ef3c43f4ffda07dd1d9bedf2fc77f31ccbd28603ea70b

  • C:\Users\Admin\AppData\Local\Temp\data.dat

    Filesize

    33B

    MD5

    c442162d7f2b0d8f618df617787444f4

    SHA1

    89c424d0a34233f58a137b882d26c97b7e7ca3d6

    SHA256

    61f07c89391d7ab353f671a3750ea09382c783b4230c48f50bae0d33286e55ad

    SHA512

    a54342a7c204f3050bbc48af957af7140fc9e8ff7ac1e0d0e3b5c4f5f95e142b25314b2aa9feaa0ff1213e9a62a67ed29d93096bcc8eb15e1f899ea9caed31a2

  • memory/2192-1-0x0000000000630000-0x0000000000670000-memory.dmp

    Filesize

    256KB

  • memory/2192-2-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-0-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2192-23-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-40-0x0000000076AD0000-0x0000000076BE0000-memory.dmp

    Filesize

    1.1MB

  • memory/2576-42-0x0000000077711000-0x0000000077712000-memory.dmp

    Filesize

    4KB

  • memory/2576-47-0x0000000075B60000-0x0000000075C00000-memory.dmp

    Filesize

    640KB

  • memory/2576-45-0x0000000076AD0000-0x0000000076BE0000-memory.dmp

    Filesize

    1.1MB

  • memory/2576-44-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2576-43-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2576-41-0x0000000075B60000-0x0000000075C00000-memory.dmp

    Filesize

    640KB

  • memory/2576-33-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2576-26-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2576-30-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2576-29-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/3028-13-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-38-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-39-0x0000000000400000-0x00000000004F4E18-memory.dmp

    Filesize

    979KB

  • memory/3028-16-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-12-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-11-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-20-0x0000000000400000-0x00000000004F5000-memory.dmp

    Filesize

    980KB

  • memory/3028-21-0x0000000000400000-0x00000000004F4E18-memory.dmp

    Filesize

    979KB

  • memory/3028-19-0x000000000049C000-0x00000000004F5000-memory.dmp

    Filesize

    356KB

  • memory/3028-18-0x000000000049C000-0x00000000004F5000-memory.dmp

    Filesize

    356KB

  • memory/3028-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB