Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 08:14

General

  • Target

    Drawing specification and Issued PO 07329.jar

  • Size

    481KB

  • MD5

    95280ff1d28b3af85b570f55b0d113b8

  • SHA1

    6232e80612b3680de897ac40ba18f3e3ac03e3ff

  • SHA256

    bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887

  • SHA512

    4b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0

  • SSDEEP

    12288:S1lenKeQSPEkhDboZFIRb5hLpCG5JMUFyWJKct:SnenlfHo81EEyWZ

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
  • Modifies file permissions 1 TTPs 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 26 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Drawing specification and Issued PO 07329.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:216
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\Drawing specification and Issued PO 07329.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Drawing specification and Issued PO 07329.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5060
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Drawing specification and Issued PO 07329.jar"
          4⤵
          • Creates scheduled task(s)
          PID:2280
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Drawing specification and Issued PO 07329.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2840
        • 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:5080
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:8
        • 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:1888
          • 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:4832
        • 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:3664
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2424
          • 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:4076
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2660

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        78fc029c688ad94a0c9fb32ccd3abf4d

        SHA1

        fb9fc7e48f13602ae3b246e013f492df337f52e6

        SHA256

        80cc36b6ff28960da8a84d130ad3a8bc4062faf6cbecd0c8c395a19f3c7b5f89

        SHA512

        a5e340e47b82c601ba6a1d3b7390a07fe3be22b78d0d9125b708b8fc8dc6ae8077e190427cb8443cbd2e8fbf08c85e239c0aaab8275fa063ba1e786dac26b454

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7684594284818605150.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\Drawing specification and Issued PO 07329.jar

        Filesize

        481KB

        MD5

        95280ff1d28b3af85b570f55b0d113b8

        SHA1

        6232e80612b3680de897ac40ba18f3e3ac03e3ff

        SHA256

        bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887

        SHA512

        4b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0

      • 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/1096-103-0x000001D947A80000-0x000001D947A90000-memory.dmp

        Filesize

        64KB

      • memory/1096-66-0x000001D9478E0000-0x000001D9478F0000-memory.dmp

        Filesize

        64KB

      • memory/1096-25-0x000001D9478F0000-0x000001D947900000-memory.dmp

        Filesize

        64KB

      • memory/1096-24-0x000001D9478E0000-0x000001D9478F0000-memory.dmp

        Filesize

        64KB

      • memory/1096-31-0x000001D947920000-0x000001D947930000-memory.dmp

        Filesize

        64KB

      • memory/1096-30-0x000001D947910000-0x000001D947920000-memory.dmp

        Filesize

        64KB

      • memory/1096-36-0x000001D947940000-0x000001D947950000-memory.dmp

        Filesize

        64KB

      • memory/1096-35-0x000001D947930000-0x000001D947940000-memory.dmp

        Filesize

        64KB

      • memory/1096-29-0x000001D947900000-0x000001D947910000-memory.dmp

        Filesize

        64KB

      • memory/1096-40-0x000001D947960000-0x000001D947970000-memory.dmp

        Filesize

        64KB

      • memory/1096-42-0x000001D947620000-0x000001D947890000-memory.dmp

        Filesize

        2.4MB

      • memory/1096-44-0x000001D947980000-0x000001D947990000-memory.dmp

        Filesize

        64KB

      • memory/1096-43-0x000001D947970000-0x000001D947980000-memory.dmp

        Filesize

        64KB

      • memory/1096-39-0x000001D947950000-0x000001D947960000-memory.dmp

        Filesize

        64KB

      • memory/1096-47-0x000001D947990000-0x000001D9479A0000-memory.dmp

        Filesize

        64KB

      • memory/1096-46-0x000001D947890000-0x000001D9478A0000-memory.dmp

        Filesize

        64KB

      • memory/1096-119-0x000001D947B00000-0x000001D947B10000-memory.dmp

        Filesize

        64KB

      • memory/1096-52-0x000001D9478B0000-0x000001D9478C0000-memory.dmp

        Filesize

        64KB

      • memory/1096-53-0x000001D9479A0000-0x000001D9479B0000-memory.dmp

        Filesize

        64KB

      • memory/1096-51-0x000001D9478A0000-0x000001D9478B0000-memory.dmp

        Filesize

        64KB

      • memory/1096-61-0x000001D9479C0000-0x000001D9479D0000-memory.dmp

        Filesize

        64KB

      • memory/1096-60-0x000001D9479B0000-0x000001D9479C0000-memory.dmp

        Filesize

        64KB

      • memory/1096-59-0x000001D9478C0000-0x000001D9478D0000-memory.dmp

        Filesize

        64KB

      • memory/1096-67-0x000001D9479D0000-0x000001D9479E0000-memory.dmp

        Filesize

        64KB

      • memory/1096-69-0x000001D9479F0000-0x000001D947A00000-memory.dmp

        Filesize

        64KB

      • memory/1096-68-0x000001D9479E0000-0x000001D9479F0000-memory.dmp

        Filesize

        64KB

      • memory/1096-117-0x000001D947AD0000-0x000001D947AE0000-memory.dmp

        Filesize

        64KB

      • memory/1096-65-0x000001D9478D0000-0x000001D9478E0000-memory.dmp

        Filesize

        64KB

      • memory/1096-71-0x000001D9478F0000-0x000001D947900000-memory.dmp

        Filesize

        64KB

      • memory/1096-73-0x000001D947A00000-0x000001D947A10000-memory.dmp

        Filesize

        64KB

      • memory/1096-72-0x000001D947920000-0x000001D947930000-memory.dmp

        Filesize

        64KB

      • memory/1096-79-0x000001D947A20000-0x000001D947A30000-memory.dmp

        Filesize

        64KB

      • memory/1096-78-0x000001D947A10000-0x000001D947A20000-memory.dmp

        Filesize

        64KB

      • memory/1096-77-0x000001D947910000-0x000001D947920000-memory.dmp

        Filesize

        64KB

      • memory/1096-76-0x000001D947900000-0x000001D947910000-memory.dmp

        Filesize

        64KB

      • memory/1096-85-0x000001D947A40000-0x000001D947A50000-memory.dmp

        Filesize

        64KB

      • memory/1096-84-0x000001D947A30000-0x000001D947A40000-memory.dmp

        Filesize

        64KB

      • memory/1096-83-0x000001D947940000-0x000001D947950000-memory.dmp

        Filesize

        64KB

      • memory/1096-82-0x000001D947930000-0x000001D947940000-memory.dmp

        Filesize

        64KB

      • memory/1096-89-0x000001D947A50000-0x000001D947A60000-memory.dmp

        Filesize

        64KB

      • memory/1096-88-0x000001D947960000-0x000001D947970000-memory.dmp

        Filesize

        64KB

      • memory/1096-87-0x000001D947950000-0x000001D947960000-memory.dmp

        Filesize

        64KB

      • memory/1096-93-0x000001D947970000-0x000001D947980000-memory.dmp

        Filesize

        64KB

      • memory/1096-94-0x000001D947A60000-0x000001D947A70000-memory.dmp

        Filesize

        64KB

      • memory/1096-96-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-98-0x000001D947A70000-0x000001D947A80000-memory.dmp

        Filesize

        64KB

      • memory/1096-97-0x000001D947980000-0x000001D947990000-memory.dmp

        Filesize

        64KB

      • memory/1096-19-0x000001D9478C0000-0x000001D9478D0000-memory.dmp

        Filesize

        64KB

      • memory/1096-102-0x000001D947990000-0x000001D9479A0000-memory.dmp

        Filesize

        64KB

      • memory/1096-122-0x000001D947AE0000-0x000001D947AF0000-memory.dmp

        Filesize

        64KB

      • memory/1096-121-0x000001D9479C0000-0x000001D9479D0000-memory.dmp

        Filesize

        64KB

      • memory/1096-120-0x000001D9479B0000-0x000001D9479C0000-memory.dmp

        Filesize

        64KB

      • memory/1096-48-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-2-0x000001D947620000-0x000001D947890000-memory.dmp

        Filesize

        2.4MB

      • memory/1096-23-0x000001D9478D0000-0x000001D9478E0000-memory.dmp

        Filesize

        64KB

      • memory/1096-116-0x000001D947AC0000-0x000001D947AD0000-memory.dmp

        Filesize

        64KB

      • memory/1096-115-0x000001D947AB0000-0x000001D947AC0000-memory.dmp

        Filesize

        64KB

      • memory/1096-114-0x000001D947AA0000-0x000001D947AB0000-memory.dmp

        Filesize

        64KB

      • memory/1096-113-0x000001D947A90000-0x000001D947AA0000-memory.dmp

        Filesize

        64KB

      • memory/1096-110-0x000001D9479A0000-0x000001D9479B0000-memory.dmp

        Filesize

        64KB

      • memory/1096-127-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-129-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-134-0x000001D947B10000-0x000001D947B20000-memory.dmp

        Filesize

        64KB

      • memory/1096-133-0x000001D9479F0000-0x000001D947A00000-memory.dmp

        Filesize

        64KB

      • memory/1096-132-0x000001D9479E0000-0x000001D9479F0000-memory.dmp

        Filesize

        64KB

      • memory/1096-131-0x000001D9479D0000-0x000001D9479E0000-memory.dmp

        Filesize

        64KB

      • memory/1096-136-0x000001D947B20000-0x000001D947B30000-memory.dmp

        Filesize

        64KB

      • memory/1096-135-0x000001D947A00000-0x000001D947A10000-memory.dmp

        Filesize

        64KB

      • memory/1096-140-0x000001D947B30000-0x000001D947B40000-memory.dmp

        Filesize

        64KB

      • memory/1096-139-0x000001D947A20000-0x000001D947A30000-memory.dmp

        Filesize

        64KB

      • memory/1096-138-0x000001D947A10000-0x000001D947A20000-memory.dmp

        Filesize

        64KB

      • memory/1096-144-0x000001D947B40000-0x000001D947B50000-memory.dmp

        Filesize

        64KB

      • memory/1096-143-0x000001D947A40000-0x000001D947A50000-memory.dmp

        Filesize

        64KB

      • memory/1096-142-0x000001D947A30000-0x000001D947A40000-memory.dmp

        Filesize

        64KB

      • memory/1096-147-0x000001D947B50000-0x000001D947B60000-memory.dmp

        Filesize

        64KB

      • memory/1096-146-0x000001D947A50000-0x000001D947A60000-memory.dmp

        Filesize

        64KB

      • memory/1096-150-0x000001D947B60000-0x000001D947B70000-memory.dmp

        Filesize

        64KB

      • memory/1096-149-0x000001D947A60000-0x000001D947A70000-memory.dmp

        Filesize

        64KB

      • memory/1096-153-0x000001D947B70000-0x000001D947B80000-memory.dmp

        Filesize

        64KB

      • memory/1096-152-0x000001D947A70000-0x000001D947A80000-memory.dmp

        Filesize

        64KB

      • memory/1096-158-0x000001D947B80000-0x000001D947B90000-memory.dmp

        Filesize

        64KB

      • memory/1096-157-0x000001D947A90000-0x000001D947AA0000-memory.dmp

        Filesize

        64KB

      • memory/1096-156-0x000001D947A80000-0x000001D947A90000-memory.dmp

        Filesize

        64KB

      • memory/1096-161-0x000001D947AA0000-0x000001D947AB0000-memory.dmp

        Filesize

        64KB

      • memory/1096-164-0x000001D947AD0000-0x000001D947AE0000-memory.dmp

        Filesize

        64KB

      • memory/1096-168-0x000001D947BA0000-0x000001D947BB0000-memory.dmp

        Filesize

        64KB

      • memory/1096-167-0x000001D947B90000-0x000001D947BA0000-memory.dmp

        Filesize

        64KB

      • memory/1096-166-0x000001D947B00000-0x000001D947B10000-memory.dmp

        Filesize

        64KB

      • memory/1096-165-0x000001D947AF0000-0x000001D947B00000-memory.dmp

        Filesize

        64KB

      • memory/1096-163-0x000001D947AC0000-0x000001D947AD0000-memory.dmp

        Filesize

        64KB

      • memory/1096-162-0x000001D947AB0000-0x000001D947AC0000-memory.dmp

        Filesize

        64KB

      • memory/1096-170-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-174-0x000001D947AE0000-0x000001D947AF0000-memory.dmp

        Filesize

        64KB

      • memory/1096-175-0x000001D947BB0000-0x000001D947BC0000-memory.dmp

        Filesize

        64KB

      • memory/1096-182-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-16-0x000001D9478A0000-0x000001D9478B0000-memory.dmp

        Filesize

        64KB

      • memory/1096-184-0x000001D947B10000-0x000001D947B20000-memory.dmp

        Filesize

        64KB

      • memory/1096-187-0x000001D947BC0000-0x000001D947BD0000-memory.dmp

        Filesize

        64KB

      • memory/1096-186-0x000001D947B20000-0x000001D947B30000-memory.dmp

        Filesize

        64KB

      • memory/1096-189-0x000001D947600000-0x000001D947601000-memory.dmp

        Filesize

        4KB

      • memory/1096-118-0x000001D947AF0000-0x000001D947B00000-memory.dmp

        Filesize

        64KB

      • memory/1096-17-0x000001D9478B0000-0x000001D9478C0000-memory.dmp

        Filesize

        64KB

      • memory/1096-14-0x000001D947890000-0x000001D9478A0000-memory.dmp

        Filesize

        64KB

      • memory/2840-367-0x000001FECA540000-0x000001FECA541000-memory.dmp

        Filesize

        4KB

      • memory/2840-383-0x000001FECA540000-0x000001FECA541000-memory.dmp

        Filesize

        4KB

      • memory/4388-301-0x000001CB7F2F0000-0x000001CB7F2F1000-memory.dmp

        Filesize

        4KB