Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 05:51

General

  • Target

    1b44a419ba9e440bc3ccd4c38e03db816cd74f74ef9ef4777ab3acee01e7c9c8.exe

  • Size

    444KB

  • MD5

    da8a268585901b0de3c7bf326fed1755

  • SHA1

    8b60ca89d8c4b7cacae3ccb40542115883d4dc59

  • SHA256

    1b44a419ba9e440bc3ccd4c38e03db816cd74f74ef9ef4777ab3acee01e7c9c8

  • SHA512

    2db1f8987c81c70f80c5dcab86f2d4b3dbc5d89fa1c1e14320bb8e07537255d56876944289499c30171e27e1e85c5d4a3b73aebef032ef02fc83e454265e7549

  • SSDEEP

    12288:JHICZ9iSCnm8B/Hw9pVKGCs64DVdZ3+8qFXTjp:JoC7ijwFKlVadZ3+8qNp

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Blocklisted process makes network request 11 IoCs
  • Disables taskbar notifications via registry modification
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b44a419ba9e440bc3ccd4c38e03db816cd74f74ef9ef4777ab3acee01e7c9c8.exe
    "C:\Users\Admin\AppData\Local\Temp\1b44a419ba9e440bc3ccd4c38e03db816cd74f74ef9ef4777ab3acee01e7c9c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\WINDOWS\SysWOW64\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /c rename C:\Users\Admin\AppData\Local\Temp\outside.gif outside.js
      2⤵
        PID:1436
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\outside.js"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:864
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\sf.exe -pGlue -dC:\Users\Admin\AppData\Local\Temp
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:928
          • C:\Users\Admin\AppData\Local\Temp\sf.exe
            C:\Users\Admin\AppData\Local\Temp\sf.exe -pGlue -dC:\Users\Admin\AppData\Local\Temp
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1700
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\inside.js"
              5⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1580
              • C:\Users\Admin\AppData\Local\Temp\ab.exe
                "C:\Users\Admin\AppData\Local\Temp\ab.exe" -dC:\Users\Admin\AppData\Local\Temp
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1932
                • C:\Windows\SysWOW64\msiexec.exe
                  C:\Windows\SysWOW64\msiexec.exe
                  7⤵
                  • Modifies visiblity of hidden/system files in Explorer
                  • UAC bypass
                  • Adds policy Run key to start application
                  • Blocklisted process makes network request
                  • Drops file in Program Files directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: MapViewOfSection
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1716
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf -dC:\Users\Admin\AppData\Local\Temp
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1152
          • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
            "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf"
            4⤵
            • Suspicious use of SetWindowsHookEx
            PID:696

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Shipping_Invoice.pdf

      Filesize

      9KB

      MD5

      998acb522b47bbfe95f9954d17aa9918

      SHA1

      e351952afc397d6e127784fe692cf4259e1c6189

      SHA256

      409e472b667ae747942e10d4dc691796c3b2eb00a0e407146e69b2f8205de40c

      SHA512

      be047cc246765384f0a484759849d75ac32edbfcd6d5f4a7b96e9a63f2afedd5ff5386db038885455f1736c450b57b9c2e9b9242b740c3560677a35432a3f760

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

      Filesize

      139KB

      MD5

      d7a7d31b679ef0b85847cc6001cd024f

      SHA1

      2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

      SHA256

      39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

      SHA512

      12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

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

      Filesize

      139KB

      MD5

      d7a7d31b679ef0b85847cc6001cd024f

      SHA1

      2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

      SHA256

      39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

      SHA512

      12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

    • C:\Users\Admin\AppData\Local\Temp\inside.js

      Filesize

      81B

      MD5

      60eb46dd81c28a274d8f2aef1bc557fa

      SHA1

      902d992c6b245a70a84632608122e976d561c09d

      SHA256

      df58a069bd5d2b98275dd124dc72de12ff5fccfb86eeb698c7a63ae9875da026

      SHA512

      1ded12c5aca377c289d412c6f8ed6903dbaaf5de3413b94cb8b57eef7913d84a3d115426267fa5e48e5277b902f67840a9362283d1cc6e8cb87648c2a8c20633

    • C:\Users\Admin\AppData\Local\Temp\outside.gif

      Filesize

      972B

      MD5

      0ee537f176cfd99964a85186db06d302

      SHA1

      77aa74fb3a14b56fe35964f4042f8d39dccf1684

      SHA256

      d7714fab24c3c172b2c3e9a0a6fd155deb4911c041528f4c0289b601f06a559f

      SHA512

      dbd7a68b30202301f6958f0c4927b010148a1877bbc02961dde8a65154ff9bfce421e375e859f6524b4b834af716e02271b221d58f5036f172c3529c5723c38f

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

      Filesize

      277KB

      MD5

      8716ac6ce445a226080763da7df57f00

      SHA1

      5e29e26b90b409041770236205f521e8722aa0df

      SHA256

      12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

      SHA512

      558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

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

      Filesize

      277KB

      MD5

      8716ac6ce445a226080763da7df57f00

      SHA1

      5e29e26b90b409041770236205f521e8722aa0df

      SHA256

      12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

      SHA512

      558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

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

      Filesize

      277KB

      MD5

      c04a4315c0ba40acaee4c345304b9278

      SHA1

      edbe6baa536fdf0b1946df6d88e4004c8d32eb2b

      SHA256

      c017fea199a5182078c98d716697a31d90c80f13df8b610ef36fa1feff4051c7

      SHA512

      23c2b53feeaca042b2f3ac47d9dba820e4c57bad1f4c008087cd5937565a50cabb42ec08414bfb8a31897c4e93f6164dee02840289efbfd2ed4e78bb91b69271

    • \Users\Admin\AppData\Local\Temp\ab.exe

      Filesize

      139KB

      MD5

      d7a7d31b679ef0b85847cc6001cd024f

      SHA1

      2a648ebc0a3acb54aa2a4a109936c3e84fc6cd39

      SHA256

      39af3f7f7a5f8cd5671fb83e122236070248361b284defa6476d5751f697ff66

      SHA512

      12d56566114d299ba3f38eebf0ffca1ce7c6ab5d12352dc23f89ae516194379992f098e7b2a5d53fc0c93fab17b512449894f82678c4391b4285cb1896c59741

    • \Users\Admin\AppData\Local\Temp\sf.exe

      Filesize

      277KB

      MD5

      8716ac6ce445a226080763da7df57f00

      SHA1

      5e29e26b90b409041770236205f521e8722aa0df

      SHA256

      12850970a3b394cc59e88e4cb2a5ebf2319d4d5c27312ec7cd9d50188d83cd6c

      SHA512

      558e13f998da96164fa8fabee5e596dfb89b2492ff64b27d6ea873ff9eb6ac00cd1a33bfee55720351a20d6b26c65613474e2ff1c555faec8bec4447d4c0d354

    • memory/696-70-0x0000000000000000-mapping.dmp

    • memory/864-58-0x0000000000000000-mapping.dmp

    • memory/928-61-0x0000000000000000-mapping.dmp

    • memory/1152-90-0x000000007EF90000-0x000000007EF96000-memory.dmp

      Filesize

      24KB

    • memory/1152-62-0x0000000000000000-mapping.dmp

    • memory/1436-55-0x0000000000000000-mapping.dmp

    • memory/1580-72-0x0000000000000000-mapping.dmp

    • memory/1700-67-0x0000000000000000-mapping.dmp

    • memory/1716-83-0x0000000000000000-mapping.dmp

    • memory/1716-87-0x00000000008D0000-0x00000000008E4000-memory.dmp

      Filesize

      80KB

    • memory/1716-88-0x00000000000D0000-0x00000000000D5000-memory.dmp

      Filesize

      20KB

    • memory/1716-89-0x000000007EF90000-0x000000007EF96000-memory.dmp

      Filesize

      24KB

    • memory/1932-81-0x000000007EF90000-0x000000007EF96000-memory.dmp

      Filesize

      24KB

    • memory/1932-80-0x0000000002030000-0x00000000020C5000-memory.dmp

      Filesize

      596KB

    • memory/1932-77-0x0000000000000000-mapping.dmp

    • memory/1932-85-0x0000000002030000-0x00000000020C5000-memory.dmp

      Filesize

      596KB

    • memory/1932-86-0x000000007EF90000-0x000000007EF96000-memory.dmp

      Filesize

      24KB

    • memory/1956-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

      Filesize

      8KB