Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 01:27

General

  • Target

    9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar

  • Size

    452KB

  • MD5

    b3cd6750e977a5855ee1e026b52404cd

  • SHA1

    4204168ebbd729f3758e82fb3b32c658c83edf16

  • SHA256

    9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621

  • SHA512

    a2c1e19111e48184dc7d4f3690f539780147a0acadb9378dc5fae51ecc429c15c0e4cc4ba18ac8e355b5fd96c7853fe6c3baaa38a483d99573f0833439a74806

  • SSDEEP

    12288:SUfrIkI0H+cH/MZwn7QvGroVpG2hLMhwQXZnuBit:5IkI0ecf8cmKoVphhLMhwQXJUq

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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3372
    • 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:536
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:740
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"
          4⤵
          • Creates scheduled task(s)
          PID:3292
      • 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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4640
        • 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:5016
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4440
        • 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:440
          • 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:560
        • 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:4656
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4588
          • 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:4844
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:324

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        56bce2248001b7811764b5f0f1258c7c

        SHA1

        ac1af4294a8a767b91d2d0af122c886ea75bc282

        SHA256

        f33c5a82633bc97492bf2b1dcaeb43caae90642cbcbe8584199e277ab535e0e2

        SHA512

        ee33033cf1f2b0963c3452fe63d7c0f6c0856218c207168a47e7820562c5b0e7209985aa722da1c824b2068dee7c27fe1d19fa6190ace178e8d2944720f00921

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

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar

        Filesize

        452KB

        MD5

        b3cd6750e977a5855ee1e026b52404cd

        SHA1

        4204168ebbd729f3758e82fb3b32c658c83edf16

        SHA256

        9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621

        SHA512

        a2c1e19111e48184dc7d4f3690f539780147a0acadb9378dc5fae51ecc429c15c0e4cc4ba18ac8e355b5fd96c7853fe6c3baaa38a483d99573f0833439a74806

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3591108182498883747.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • 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/3372-98-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-189-0x0000027F25680000-0x0000027F25690000-memory.dmp

        Filesize

        64KB

      • memory/3372-25-0x0000027F256B0000-0x0000027F256C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-24-0x0000027F256A0000-0x0000027F256B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-27-0x0000027F256C0000-0x0000027F256D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-32-0x0000027F253E0000-0x0000027F25650000-memory.dmp

        Filesize

        2.4MB

      • memory/3372-31-0x0000027F256E0000-0x0000027F256F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-30-0x0000027F256D0000-0x0000027F256E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-36-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-38-0x0000027F25700000-0x0000027F25710000-memory.dmp

        Filesize

        64KB

      • memory/3372-37-0x0000027F25650000-0x0000027F25660000-memory.dmp

        Filesize

        64KB

      • memory/3372-35-0x0000027F256F0000-0x0000027F25700000-memory.dmp

        Filesize

        64KB

      • memory/3372-40-0x0000027F25710000-0x0000027F25720000-memory.dmp

        Filesize

        64KB

      • memory/3372-46-0x0000027F25720000-0x0000027F25730000-memory.dmp

        Filesize

        64KB

      • memory/3372-45-0x0000027F25670000-0x0000027F25680000-memory.dmp

        Filesize

        64KB

      • memory/3372-44-0x0000027F25660000-0x0000027F25670000-memory.dmp

        Filesize

        64KB

      • memory/3372-106-0x0000027F25840000-0x0000027F25850000-memory.dmp

        Filesize

        64KB

      • memory/3372-48-0x0000027F25730000-0x0000027F25740000-memory.dmp

        Filesize

        64KB

      • memory/3372-47-0x0000027F25680000-0x0000027F25690000-memory.dmp

        Filesize

        64KB

      • memory/3372-51-0x0000027F25690000-0x0000027F256A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-53-0x0000027F25750000-0x0000027F25760000-memory.dmp

        Filesize

        64KB

      • memory/3372-52-0x0000027F256A0000-0x0000027F256B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-59-0x0000027F256B0000-0x0000027F256C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-60-0x0000027F25760000-0x0000027F25770000-memory.dmp

        Filesize

        64KB

      • memory/3372-62-0x0000027F256C0000-0x0000027F256D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-63-0x0000027F25770000-0x0000027F25780000-memory.dmp

        Filesize

        64KB

      • memory/3372-110-0x0000027F25780000-0x0000027F25790000-memory.dmp

        Filesize

        64KB

      • memory/3372-66-0x0000027F25780000-0x0000027F25790000-memory.dmp

        Filesize

        64KB

      • memory/3372-69-0x0000027F25790000-0x0000027F257A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-68-0x0000027F256E0000-0x0000027F256F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-76-0x0000027F257C0000-0x0000027F257D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-75-0x0000027F257B0000-0x0000027F257C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-81-0x0000027F257E0000-0x0000027F257F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-80-0x0000027F257D0000-0x0000027F257E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-85-0x0000027F257F0000-0x0000027F25800000-memory.dmp

        Filesize

        64KB

      • memory/3372-84-0x0000027F25710000-0x0000027F25720000-memory.dmp

        Filesize

        64KB

      • memory/3372-79-0x0000027F25700000-0x0000027F25710000-memory.dmp

        Filesize

        64KB

      • memory/3372-74-0x0000027F257A0000-0x0000027F257B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-73-0x0000027F256F0000-0x0000027F25700000-memory.dmp

        Filesize

        64KB

      • memory/3372-87-0x0000027F25800000-0x0000027F25810000-memory.dmp

        Filesize

        64KB

      • memory/3372-86-0x0000027F25720000-0x0000027F25730000-memory.dmp

        Filesize

        64KB

      • memory/3372-93-0x0000027F25810000-0x0000027F25820000-memory.dmp

        Filesize

        64KB

      • memory/3372-92-0x0000027F25740000-0x0000027F25750000-memory.dmp

        Filesize

        64KB

      • memory/3372-91-0x0000027F25730000-0x0000027F25740000-memory.dmp

        Filesize

        64KB

      • memory/3372-95-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-97-0x0000027F25820000-0x0000027F25830000-memory.dmp

        Filesize

        64KB

      • memory/3372-96-0x0000027F25750000-0x0000027F25760000-memory.dmp

        Filesize

        64KB

      • memory/3372-18-0x0000027F25670000-0x0000027F25680000-memory.dmp

        Filesize

        64KB

      • memory/3372-101-0x0000027F25830000-0x0000027F25840000-memory.dmp

        Filesize

        64KB

      • memory/3372-100-0x0000027F25760000-0x0000027F25770000-memory.dmp

        Filesize

        64KB

      • memory/3372-105-0x0000027F25770000-0x0000027F25780000-memory.dmp

        Filesize

        64KB

      • memory/3372-107-0x0000027F25850000-0x0000027F25860000-memory.dmp

        Filesize

        64KB

      • memory/3372-49-0x0000027F25740000-0x0000027F25750000-memory.dmp

        Filesize

        64KB

      • memory/3372-23-0x0000027F25690000-0x0000027F256A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-65-0x0000027F256D0000-0x0000027F256E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-118-0x0000027F257C0000-0x0000027F257D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-117-0x0000027F257B0000-0x0000027F257C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-116-0x0000027F257A0000-0x0000027F257B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-125-0x0000027F258A0000-0x0000027F258B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-124-0x0000027F25890000-0x0000027F258A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-123-0x0000027F257E0000-0x0000027F257F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-122-0x0000027F257D0000-0x0000027F257E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-115-0x0000027F25880000-0x0000027F25890000-memory.dmp

        Filesize

        64KB

      • memory/3372-114-0x0000027F25870000-0x0000027F25880000-memory.dmp

        Filesize

        64KB

      • memory/3372-113-0x0000027F25790000-0x0000027F257A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-129-0x0000027F258B0000-0x0000027F258C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-128-0x0000027F257F0000-0x0000027F25800000-memory.dmp

        Filesize

        64KB

      • memory/3372-133-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-134-0x0000027F25800000-0x0000027F25810000-memory.dmp

        Filesize

        64KB

      • memory/3372-135-0x0000027F258C0000-0x0000027F258D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-137-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-141-0x0000027F258D0000-0x0000027F258E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-140-0x0000027F25810000-0x0000027F25820000-memory.dmp

        Filesize

        64KB

      • memory/3372-143-0x0000027F258E0000-0x0000027F258F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-142-0x0000027F25820000-0x0000027F25830000-memory.dmp

        Filesize

        64KB

      • memory/3372-145-0x0000027F25830000-0x0000027F25840000-memory.dmp

        Filesize

        64KB

      • memory/3372-147-0x0000027F258F0000-0x0000027F25900000-memory.dmp

        Filesize

        64KB

      • memory/3372-146-0x0000027F25840000-0x0000027F25850000-memory.dmp

        Filesize

        64KB

      • memory/3372-150-0x0000027F25900000-0x0000027F25910000-memory.dmp

        Filesize

        64KB

      • memory/3372-149-0x0000027F25850000-0x0000027F25860000-memory.dmp

        Filesize

        64KB

      • memory/3372-152-0x0000027F25860000-0x0000027F25870000-memory.dmp

        Filesize

        64KB

      • memory/3372-153-0x0000027F25910000-0x0000027F25920000-memory.dmp

        Filesize

        64KB

      • memory/3372-156-0x0000027F25920000-0x0000027F25930000-memory.dmp

        Filesize

        64KB

      • memory/3372-155-0x0000027F25870000-0x0000027F25880000-memory.dmp

        Filesize

        64KB

      • memory/3372-159-0x0000027F25930000-0x0000027F25940000-memory.dmp

        Filesize

        64KB

      • memory/3372-158-0x0000027F25880000-0x0000027F25890000-memory.dmp

        Filesize

        64KB

      • memory/3372-162-0x0000027F25890000-0x0000027F258A0000-memory.dmp

        Filesize

        64KB

      • memory/3372-164-0x0000027F25940000-0x0000027F25950000-memory.dmp

        Filesize

        64KB

      • memory/3372-163-0x0000027F258A0000-0x0000027F258B0000-memory.dmp

        Filesize

        64KB

      • memory/3372-166-0x0000027F258B0000-0x0000027F258C0000-memory.dmp

        Filesize

        64KB

      • memory/3372-167-0x0000027F25950000-0x0000027F25960000-memory.dmp

        Filesize

        64KB

      • memory/3372-169-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-175-0x0000027F258C0000-0x0000027F258D0000-memory.dmp

        Filesize

        64KB

      • memory/3372-176-0x0000027F25960000-0x0000027F25970000-memory.dmp

        Filesize

        64KB

      • memory/3372-177-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-183-0x0000027F258D0000-0x0000027F258E0000-memory.dmp

        Filesize

        64KB

      • memory/3372-19-0x0000027F25680000-0x0000027F25690000-memory.dmp

        Filesize

        64KB

      • memory/3372-186-0x0000027F258E0000-0x0000027F258F0000-memory.dmp

        Filesize

        64KB

      • memory/3372-187-0x0000027F25970000-0x0000027F25980000-memory.dmp

        Filesize

        64KB

      • memory/3372-188-0x0000027F23BE0000-0x0000027F23BE1000-memory.dmp

        Filesize

        4KB

      • memory/3372-111-0x0000027F25860000-0x0000027F25870000-memory.dmp

        Filesize

        64KB

      • memory/3372-2-0x0000027F253E0000-0x0000027F25650000-memory.dmp

        Filesize

        2.4MB

      • memory/3372-17-0x0000027F25660000-0x0000027F25670000-memory.dmp

        Filesize

        64KB

      • memory/3372-13-0x0000027F25650000-0x0000027F25660000-memory.dmp

        Filesize

        64KB

      • memory/4424-289-0x000001A06EDF0000-0x000001A06EDF1000-memory.dmp

        Filesize

        4KB

      • memory/4640-357-0x000001FED98E0000-0x000001FED98E1000-memory.dmp

        Filesize

        4KB