Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2023 12:32

General

  • Target

    QUOTATION OFFER REQUEST 1034783pdfpdf.jar

  • Size

    218KB

  • MD5

    5163df6fc307a8bbb4ea8639f46660c3

  • SHA1

    8ea04fbe4100172a06f702a45f36d4152f530b8c

  • SHA256

    7fcc0369ad02d92b3021bbc84e1eb49b919656e9b41fa1877e9232305c8cacd5

  • SHA512

    68b77e3089cd7344ac799244b34404c905c2595e0d45e093ff5c75bfae5ebadd1916b7002bd5d89b1456c06ae6408b1d88b09992382cebe9c9737c2bc0d11241

  • SSDEEP

    3072:9hkSzEwSU/e3jI7baxHJ5CqjDdWdudp+KsfQgtoooy2Q7uZFnPhYsr4uaqslXyIS:n+UIcg5DdauYQgyHyPutG9yUW

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\QUOTATION OFFER REQUEST 1034783pdfpdf.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\QUOTATION OFFER REQUEST 1034783pdfpdf.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783pdfpdf.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3128
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:60
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:920
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4728
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1640
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2708
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2452
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2108
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783pdfpdf.jar"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2444
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783pdfpdf.jar"
              4⤵
              • Creates scheduled task(s)
              PID:4016

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        fa06f42551409cc87675ff68f4d68d27

        SHA1

        1fbf335f1ce958c5a2d676fd8b76425fed6857fe

        SHA256

        ebee88cedeb4390499e04e2290c5d63be07495f617781d894a78c439cbed4d26

        SHA512

        8c2c546addabe50997a16b6205645938912df3c48342920f0d4585420fbe70a31a9f57f29ecf21f42fe23331652617307cae08c9c8a31f9fd512f72aa04b2f96

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        db5f15f07e5b4ba7242a175114d95d99

        SHA1

        3d05f10032fba2b2b7dabb820a4380a227c85bbb

        SHA256

        34c5f282305887cae040264d8e0caba61baf32d8bf45f08a24a90cf715098649

        SHA512

        1807704848d7c8de0a00cf84c1bb9bf2f3df8f23a7987f0a349b061972a0766af0f4686627c0f88eb92e71d5d83baa366aad9327e9093217815fc31c99fa29d3

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2763281996257920353.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2890635272-812199704-3564780063-1000\83aa4cc77f591dfc2374580bbd95f6ba_7b78d219-b19e-4e6e-b36e-09950cd75a1b

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783pdfpdf.jar

        Filesize

        218KB

        MD5

        5163df6fc307a8bbb4ea8639f46660c3

        SHA1

        8ea04fbe4100172a06f702a45f36d4152f530b8c

        SHA256

        7fcc0369ad02d92b3021bbc84e1eb49b919656e9b41fa1877e9232305c8cacd5

        SHA512

        68b77e3089cd7344ac799244b34404c905c2595e0d45e093ff5c75bfae5ebadd1916b7002bd5d89b1456c06ae6408b1d88b09992382cebe9c9737c2bc0d11241

      • C:\Users\Admin\AppData\Roaming\QUOTATION OFFER REQUEST 1034783pdfpdf.jar

        Filesize

        218KB

        MD5

        5163df6fc307a8bbb4ea8639f46660c3

        SHA1

        8ea04fbe4100172a06f702a45f36d4152f530b8c

        SHA256

        7fcc0369ad02d92b3021bbc84e1eb49b919656e9b41fa1877e9232305c8cacd5

        SHA512

        68b77e3089cd7344ac799244b34404c905c2595e0d45e093ff5c75bfae5ebadd1916b7002bd5d89b1456c06ae6408b1d88b09992382cebe9c9737c2bc0d11241

      • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • C:\Users\Admin\QUOTATION OFFER REQUEST 1034783pdfpdf.jar

        Filesize

        218KB

        MD5

        5163df6fc307a8bbb4ea8639f46660c3

        SHA1

        8ea04fbe4100172a06f702a45f36d4152f530b8c

        SHA256

        7fcc0369ad02d92b3021bbc84e1eb49b919656e9b41fa1877e9232305c8cacd5

        SHA512

        68b77e3089cd7344ac799244b34404c905c2595e0d45e093ff5c75bfae5ebadd1916b7002bd5d89b1456c06ae6408b1d88b09992382cebe9c9737c2bc0d11241

      • C:\Users\Admin\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • memory/1460-289-0x0000000002380000-0x0000000002381000-memory.dmp

        Filesize

        4KB

      • memory/4420-210-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-218-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-232-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-234-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-244-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-245-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-231-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-229-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-226-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-225-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-219-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-233-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-213-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-143-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-205-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-204-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-202-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-186-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-177-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-176-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-171-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB

      • memory/4420-159-0x0000000000E80000-0x0000000000E81000-memory.dmp

        Filesize

        4KB