Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 09:56

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:4876
    • 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:3712
    • 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:2608
      • 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:548
        • 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:3012
      • 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:3456
        • 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:1872
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2276
        • 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:660
          • 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:4308
        • 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:1708
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1000
          • 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:2544
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4660

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        7b3883c897f44c7130db3db826b2682e

        SHA1

        ac816df5462c9e1e821b3d75a634699057fec1c4

        SHA256

        f5286e1200a6f02aea9bca34e5d6aa5302754d33de835efc025ddbaf3d6adeb5

        SHA512

        2ef4be089e2ebbbaaab5026ca258f1bd6694878b9af1345ef1634a5cccad959a4f02c264fbdeb97aa05f9200755af9cd408f9a7679ae894bba8193b31629d62b

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

        Filesize

        452KB

        MD5

        b3cd6750e977a5855ee1e026b52404cd

        SHA1

        4204168ebbd729f3758e82fb3b32c658c83edf16

        SHA256

        9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621

        SHA512

        a2c1e19111e48184dc7d4f3690f539780147a0acadb9378dc5fae51ecc429c15c0e4cc4ba18ac8e355b5fd96c7853fe6c3baaa38a483d99573f0833439a74806

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3337860950922170573.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/2608-264-0x000001F4D18A0000-0x000001F4D18A1000-memory.dmp

        Filesize

        4KB

      • memory/3456-346-0x0000016A31330000-0x0000016A31331000-memory.dmp

        Filesize

        4KB

      • memory/4876-108-0x0000013DA6250000-0x0000013DA6260000-memory.dmp

        Filesize

        64KB

      • memory/4876-41-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-27-0x0000013DA60C0000-0x0000013DA60D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-31-0x0000013DA60E0000-0x0000013DA60F0000-memory.dmp

        Filesize

        64KB

      • memory/4876-30-0x0000013DA60D0000-0x0000013DA60E0000-memory.dmp

        Filesize

        64KB

      • memory/4876-107-0x0000013DA6240000-0x0000013DA6250000-memory.dmp

        Filesize

        64KB

      • memory/4876-35-0x0000013DA60F0000-0x0000013DA6100000-memory.dmp

        Filesize

        64KB

      • memory/4876-113-0x0000013DA6170000-0x0000013DA6180000-memory.dmp

        Filesize

        64KB

      • memory/4876-39-0x0000013DA6120000-0x0000013DA6130000-memory.dmp

        Filesize

        64KB

      • memory/4876-38-0x0000013DA6110000-0x0000013DA6120000-memory.dmp

        Filesize

        64KB

      • memory/4876-43-0x0000013DA5DE0000-0x0000013DA6050000-memory.dmp

        Filesize

        2.4MB

      • memory/4876-44-0x0000013DA6130000-0x0000013DA6140000-memory.dmp

        Filesize

        64KB

      • memory/4876-46-0x0000013DA6140000-0x0000013DA6150000-memory.dmp

        Filesize

        64KB

      • memory/4876-45-0x0000013DA6050000-0x0000013DA6060000-memory.dmp

        Filesize

        64KB

      • memory/4876-49-0x0000013DA6150000-0x0000013DA6160000-memory.dmp

        Filesize

        64KB

      • memory/4876-48-0x0000013DA6060000-0x0000013DA6070000-memory.dmp

        Filesize

        64KB

      • memory/4876-52-0x0000013DA6080000-0x0000013DA6090000-memory.dmp

        Filesize

        64KB

      • memory/4876-54-0x0000013DA6160000-0x0000013DA6170000-memory.dmp

        Filesize

        64KB

      • memory/4876-53-0x0000013DA6090000-0x0000013DA60A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-51-0x0000013DA6070000-0x0000013DA6080000-memory.dmp

        Filesize

        64KB

      • memory/4876-61-0x0000013DA60A0000-0x0000013DA60B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-64-0x0000013DA6180000-0x0000013DA6190000-memory.dmp

        Filesize

        64KB

      • memory/4876-63-0x0000013DA6170000-0x0000013DA6180000-memory.dmp

        Filesize

        64KB

      • memory/4876-62-0x0000013DA60B0000-0x0000013DA60C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-67-0x0000013DA6190000-0x0000013DA61A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-73-0x0000013DA61A0000-0x0000013DA61B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-72-0x0000013DA60F0000-0x0000013DA6100000-memory.dmp

        Filesize

        64KB

      • memory/4876-71-0x0000013DA60E0000-0x0000013DA60F0000-memory.dmp

        Filesize

        64KB

      • memory/4876-70-0x0000013DA60D0000-0x0000013DA60E0000-memory.dmp

        Filesize

        64KB

      • memory/4876-66-0x0000013DA60C0000-0x0000013DA60D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-75-0x0000013DA61B0000-0x0000013DA61C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-77-0x0000013DA61C0000-0x0000013DA61D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-76-0x0000013DA6100000-0x0000013DA6110000-memory.dmp

        Filesize

        64KB

      • memory/4876-84-0x0000013DA61E0000-0x0000013DA61F0000-memory.dmp

        Filesize

        64KB

      • memory/4876-82-0x0000013DA61D0000-0x0000013DA61E0000-memory.dmp

        Filesize

        64KB

      • memory/4876-81-0x0000013DA6120000-0x0000013DA6130000-memory.dmp

        Filesize

        64KB

      • memory/4876-80-0x0000013DA6110000-0x0000013DA6120000-memory.dmp

        Filesize

        64KB

      • memory/4876-88-0x0000013DA61F0000-0x0000013DA6200000-memory.dmp

        Filesize

        64KB

      • memory/4876-87-0x0000013DA6130000-0x0000013DA6140000-memory.dmp

        Filesize

        64KB

      • memory/4876-90-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-91-0x0000013DA6140000-0x0000013DA6150000-memory.dmp

        Filesize

        64KB

      • memory/4876-92-0x0000013DA6200000-0x0000013DA6210000-memory.dmp

        Filesize

        64KB

      • memory/4876-96-0x0000013DA6150000-0x0000013DA6160000-memory.dmp

        Filesize

        64KB

      • memory/4876-98-0x0000013DA6210000-0x0000013DA6220000-memory.dmp

        Filesize

        64KB

      • memory/4876-109-0x0000013DA6260000-0x0000013DA6270000-memory.dmp

        Filesize

        64KB

      • memory/4876-24-0x0000013DA60A0000-0x0000013DA60B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-117-0x0000013DA6290000-0x0000013DA62A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-119-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-116-0x0000013DA6280000-0x0000013DA6290000-memory.dmp

        Filesize

        64KB

      • memory/4876-115-0x0000013DA6270000-0x0000013DA6280000-memory.dmp

        Filesize

        64KB

      • memory/4876-19-0x0000013DA6070000-0x0000013DA6080000-memory.dmp

        Filesize

        64KB

      • memory/4876-25-0x0000013DA60B0000-0x0000013DA60C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-36-0x0000013DA6100000-0x0000013DA6110000-memory.dmp

        Filesize

        64KB

      • memory/4876-106-0x0000013DA6230000-0x0000013DA6240000-memory.dmp

        Filesize

        64KB

      • memory/4876-105-0x0000013DA6220000-0x0000013DA6230000-memory.dmp

        Filesize

        64KB

      • memory/4876-104-0x0000013DA6160000-0x0000013DA6170000-memory.dmp

        Filesize

        64KB

      • memory/4876-127-0x0000013DA62A0000-0x0000013DA62B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-130-0x0000013DA62B0000-0x0000013DA62C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-129-0x0000013DA61A0000-0x0000013DA61B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-128-0x0000013DA62C0000-0x0000013DA62D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-124-0x0000013DA6190000-0x0000013DA61A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-123-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-133-0x0000013DA62D0000-0x0000013DA62E0000-memory.dmp

        Filesize

        64KB

      • memory/4876-132-0x0000013DA61B0000-0x0000013DA61C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-136-0x0000013DA62E0000-0x0000013DA62F0000-memory.dmp

        Filesize

        64KB

      • memory/4876-135-0x0000013DA61C0000-0x0000013DA61D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-141-0x0000013DA62F0000-0x0000013DA6300000-memory.dmp

        Filesize

        64KB

      • memory/4876-140-0x0000013DA61E0000-0x0000013DA61F0000-memory.dmp

        Filesize

        64KB

      • memory/4876-139-0x0000013DA61D0000-0x0000013DA61E0000-memory.dmp

        Filesize

        64KB

      • memory/4876-143-0x0000013DA6300000-0x0000013DA6310000-memory.dmp

        Filesize

        64KB

      • memory/4876-142-0x0000013DA61F0000-0x0000013DA6200000-memory.dmp

        Filesize

        64KB

      • memory/4876-146-0x0000013DA6310000-0x0000013DA6320000-memory.dmp

        Filesize

        64KB

      • memory/4876-145-0x0000013DA6200000-0x0000013DA6210000-memory.dmp

        Filesize

        64KB

      • memory/4876-149-0x0000013DA6320000-0x0000013DA6330000-memory.dmp

        Filesize

        64KB

      • memory/4876-148-0x0000013DA6210000-0x0000013DA6220000-memory.dmp

        Filesize

        64KB

      • memory/4876-152-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-156-0x0000013DA6220000-0x0000013DA6230000-memory.dmp

        Filesize

        64KB

      • memory/4876-159-0x0000013DA6250000-0x0000013DA6260000-memory.dmp

        Filesize

        64KB

      • memory/4876-161-0x0000013DA6330000-0x0000013DA6340000-memory.dmp

        Filesize

        64KB

      • memory/4876-160-0x0000013DA6260000-0x0000013DA6270000-memory.dmp

        Filesize

        64KB

      • memory/4876-158-0x0000013DA6240000-0x0000013DA6250000-memory.dmp

        Filesize

        64KB

      • memory/4876-157-0x0000013DA6230000-0x0000013DA6240000-memory.dmp

        Filesize

        64KB

      • memory/4876-167-0x0000013DA6340000-0x0000013DA6350000-memory.dmp

        Filesize

        64KB

      • memory/4876-166-0x0000013DA62A0000-0x0000013DA62B0000-memory.dmp

        Filesize

        64KB

      • memory/4876-165-0x0000013DA6290000-0x0000013DA62A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-164-0x0000013DA6280000-0x0000013DA6290000-memory.dmp

        Filesize

        64KB

      • memory/4876-163-0x0000013DA6270000-0x0000013DA6280000-memory.dmp

        Filesize

        64KB

      • memory/4876-174-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-176-0x0000013DA62C0000-0x0000013DA62D0000-memory.dmp

        Filesize

        64KB

      • memory/4876-180-0x0000013DA6350000-0x0000013DA6360000-memory.dmp

        Filesize

        64KB

      • memory/4876-179-0x0000013DA62B0000-0x0000013DA62C0000-memory.dmp

        Filesize

        64KB

      • memory/4876-181-0x0000013DA5DC0000-0x0000013DA5DC1000-memory.dmp

        Filesize

        4KB

      • memory/4876-182-0x0000013DA5DE0000-0x0000013DA6050000-memory.dmp

        Filesize

        2.4MB

      • memory/4876-186-0x0000013DA6080000-0x0000013DA6090000-memory.dmp

        Filesize

        64KB

      • memory/4876-16-0x0000013DA6060000-0x0000013DA6070000-memory.dmp

        Filesize

        64KB

      • memory/4876-20-0x0000013DA6080000-0x0000013DA6090000-memory.dmp

        Filesize

        64KB

      • memory/4876-21-0x0000013DA6090000-0x0000013DA60A0000-memory.dmp

        Filesize

        64KB

      • memory/4876-114-0x0000013DA6180000-0x0000013DA6190000-memory.dmp

        Filesize

        64KB

      • memory/4876-14-0x0000013DA6050000-0x0000013DA6060000-memory.dmp

        Filesize

        64KB

      • memory/4876-2-0x0000013DA5DE0000-0x0000013DA6050000-memory.dmp

        Filesize

        2.4MB

      • memory/4876-185-0x0000013DA6070000-0x0000013DA6080000-memory.dmp

        Filesize

        64KB

      • memory/4876-184-0x0000013DA6060000-0x0000013DA6070000-memory.dmp

        Filesize

        64KB

      • memory/4876-183-0x0000013DA6050000-0x0000013DA6060000-memory.dmp

        Filesize

        64KB