Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 19:51

General

  • Target

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

  • Size

    481KB

  • MD5

    6861ee8001a8c404dd330a4f20c7ce77

  • SHA1

    f126178828470606f76df369c1e42c1839792105

  • SHA256

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

  • SHA512

    3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

  • SSDEEP

    12288:efllQKeQSPEf7AtTsF5Rb5hwQC1uQ3pZWEWKcA:edlQl4sTQta/WEF

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\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5072
    • 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:960
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4380
      • 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\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2620
        • 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:1440
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3056
        • 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:4996
          • 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:3124
        • 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:2660
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4864
          • 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:1092
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2716

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        b2cae692e39857ae340d31c6c0e12c0e

        SHA1

        eeacc4b546ad494fcb54d4db2fae674f4a6c7a9e

        SHA256

        365efd495d307107211e02ab9b129e4d0f3663dac69a3621ba46212c048351d8

        SHA512

        33e07dcad89f4fd863c587714d5b8e652f580ba24cb4b77d67166c594ea00b79bfa39a58cd563d4f7e1054912e0ddddae3e806f8dd0ab572b0b36f8876189bf7

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6279447574163719424.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3558294865-3673844354-2255444939-1000\83aa4cc77f591dfc2374580bbd95f6ba_39fbc0df-d496-4ae0-b1d7-bde60e245d90

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

        Filesize

        481KB

        MD5

        6861ee8001a8c404dd330a4f20c7ce77

        SHA1

        f126178828470606f76df369c1e42c1839792105

        SHA256

        df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

        SHA512

        3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

      • 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/2580-302-0x0000021BAD4C0000-0x0000021BAD4C1000-memory.dmp

        Filesize

        4KB

      • memory/2620-387-0x000001A3B8470000-0x000001A3B8471000-memory.dmp

        Filesize

        4KB

      • memory/5072-100-0x000001B9E7EC0000-0x000001B9E7ED0000-memory.dmp

        Filesize

        64KB

      • memory/5072-35-0x000001B9E7E50000-0x000001B9E7E60000-memory.dmp

        Filesize

        64KB

      • memory/5072-27-0x000001B9E7E20000-0x000001B9E7E30000-memory.dmp

        Filesize

        64KB

      • memory/5072-33-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-31-0x000001B9E7E40000-0x000001B9E7E50000-memory.dmp

        Filesize

        64KB

      • memory/5072-30-0x000001B9E7E30000-0x000001B9E7E40000-memory.dmp

        Filesize

        64KB

      • memory/5072-36-0x000001B9E7E60000-0x000001B9E7E70000-memory.dmp

        Filesize

        64KB

      • memory/5072-123-0x000001B9E7F00000-0x000001B9E7F10000-memory.dmp

        Filesize

        64KB

      • memory/5072-40-0x000001B9E7E70000-0x000001B9E7E80000-memory.dmp

        Filesize

        64KB

      • memory/5072-42-0x000001B9E7E90000-0x000001B9E7EA0000-memory.dmp

        Filesize

        64KB

      • memory/5072-41-0x000001B9E7E80000-0x000001B9E7E90000-memory.dmp

        Filesize

        64KB

      • memory/5072-44-0x000001B9E7B40000-0x000001B9E7DB0000-memory.dmp

        Filesize

        2.4MB

      • memory/5072-45-0x000001B9E7EA0000-0x000001B9E7EB0000-memory.dmp

        Filesize

        64KB

      • memory/5072-48-0x000001B9E7EB0000-0x000001B9E7EC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-52-0x000001B9E7EC0000-0x000001B9E7ED0000-memory.dmp

        Filesize

        64KB

      • memory/5072-51-0x000001B9E7DD0000-0x000001B9E7DE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-50-0x000001B9E7DC0000-0x000001B9E7DD0000-memory.dmp

        Filesize

        64KB

      • memory/5072-49-0x000001B9E7DB0000-0x000001B9E7DC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-61-0x000001B9E7EE0000-0x000001B9E7EF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-60-0x000001B9E7ED0000-0x000001B9E7EE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-59-0x000001B9E7DE0000-0x000001B9E7DF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-64-0x000001B9E7EF0000-0x000001B9E7F00000-memory.dmp

        Filesize

        64KB

      • memory/5072-63-0x000001B9E7DF0000-0x000001B9E7E00000-memory.dmp

        Filesize

        64KB

      • memory/5072-66-0x000001B9E7E00000-0x000001B9E7E10000-memory.dmp

        Filesize

        64KB

      • memory/5072-67-0x000001B9E7E10000-0x000001B9E7E20000-memory.dmp

        Filesize

        64KB

      • memory/5072-69-0x000001B9E7E20000-0x000001B9E7E30000-memory.dmp

        Filesize

        64KB

      • memory/5072-70-0x000001B9E7F00000-0x000001B9E7F10000-memory.dmp

        Filesize

        64KB

      • memory/5072-76-0x000001B9E7F20000-0x000001B9E7F30000-memory.dmp

        Filesize

        64KB

      • memory/5072-75-0x000001B9E7F10000-0x000001B9E7F20000-memory.dmp

        Filesize

        64KB

      • memory/5072-74-0x000001B9E7E40000-0x000001B9E7E50000-memory.dmp

        Filesize

        64KB

      • memory/5072-73-0x000001B9E7E30000-0x000001B9E7E40000-memory.dmp

        Filesize

        64KB

      • memory/5072-79-0x000001B9E7F30000-0x000001B9E7F40000-memory.dmp

        Filesize

        64KB

      • memory/5072-78-0x000001B9E7E60000-0x000001B9E7E70000-memory.dmp

        Filesize

        64KB

      • memory/5072-77-0x000001B9E7E50000-0x000001B9E7E60000-memory.dmp

        Filesize

        64KB

      • memory/5072-85-0x000001B9E7F50000-0x000001B9E7F60000-memory.dmp

        Filesize

        64KB

      • memory/5072-84-0x000001B9E7F40000-0x000001B9E7F50000-memory.dmp

        Filesize

        64KB

      • memory/5072-83-0x000001B9E7E80000-0x000001B9E7E90000-memory.dmp

        Filesize

        64KB

      • memory/5072-82-0x000001B9E7E70000-0x000001B9E7E80000-memory.dmp

        Filesize

        64KB

      • memory/5072-90-0x000001B9E7E90000-0x000001B9E7EA0000-memory.dmp

        Filesize

        64KB

      • memory/5072-91-0x000001B9E7F60000-0x000001B9E7F70000-memory.dmp

        Filesize

        64KB

      • memory/5072-96-0x000001B9E7EB0000-0x000001B9E7EC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-95-0x000001B9E7F80000-0x000001B9E7F90000-memory.dmp

        Filesize

        64KB

      • memory/5072-94-0x000001B9E7F70000-0x000001B9E7F80000-memory.dmp

        Filesize

        64KB

      • memory/5072-93-0x000001B9E7EA0000-0x000001B9E7EB0000-memory.dmp

        Filesize

        64KB

      • memory/5072-97-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-26-0x000001B9E7E10000-0x000001B9E7E20000-memory.dmp

        Filesize

        64KB

      • memory/5072-101-0x000001B9E7F90000-0x000001B9E7FA0000-memory.dmp

        Filesize

        64KB

      • memory/5072-106-0x000001B9E7ED0000-0x000001B9E7EE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-122-0x000001B9E8010000-0x000001B9E8020000-memory.dmp

        Filesize

        64KB

      • memory/5072-109-0x000001B9E7FB0000-0x000001B9E7FC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-139-0x000001B9E8040000-0x000001B9E8050000-memory.dmp

        Filesize

        64KB

      • memory/5072-25-0x000001B9E7E00000-0x000001B9E7E10000-memory.dmp

        Filesize

        64KB

      • memory/5072-110-0x000001B9E7FC0000-0x000001B9E7FD0000-memory.dmp

        Filesize

        64KB

      • memory/5072-127-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-121-0x000001B9E7FF0000-0x000001B9E8000000-memory.dmp

        Filesize

        64KB

      • memory/5072-133-0x000001B9E8020000-0x000001B9E8030000-memory.dmp

        Filesize

        64KB

      • memory/5072-131-0x000001B9E7F20000-0x000001B9E7F30000-memory.dmp

        Filesize

        64KB

      • memory/5072-130-0x000001B9E7F10000-0x000001B9E7F20000-memory.dmp

        Filesize

        64KB

      • memory/5072-129-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-117-0x000001B9E7FE0000-0x000001B9E7FF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-116-0x000001B9E7FD0000-0x000001B9E7FE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-115-0x000001B9E7EF0000-0x000001B9E7F00000-memory.dmp

        Filesize

        64KB

      • memory/5072-108-0x000001B9E7FA0000-0x000001B9E7FB0000-memory.dmp

        Filesize

        64KB

      • memory/5072-107-0x000001B9E7EE0000-0x000001B9E7EF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-135-0x000001B9E8030000-0x000001B9E8040000-memory.dmp

        Filesize

        64KB

      • memory/5072-134-0x000001B9E7F30000-0x000001B9E7F40000-memory.dmp

        Filesize

        64KB

      • memory/5072-124-0x000001B9E8000000-0x000001B9E8010000-memory.dmp

        Filesize

        64KB

      • memory/5072-138-0x000001B9E7F50000-0x000001B9E7F60000-memory.dmp

        Filesize

        64KB

      • memory/5072-137-0x000001B9E7F40000-0x000001B9E7F50000-memory.dmp

        Filesize

        64KB

      • memory/5072-143-0x000001B9E8050000-0x000001B9E8060000-memory.dmp

        Filesize

        64KB

      • memory/5072-142-0x000001B9E7F60000-0x000001B9E7F70000-memory.dmp

        Filesize

        64KB

      • memory/5072-145-0x000001B9E7F70000-0x000001B9E7F80000-memory.dmp

        Filesize

        64KB

      • memory/5072-147-0x000001B9E8060000-0x000001B9E8070000-memory.dmp

        Filesize

        64KB

      • memory/5072-146-0x000001B9E7F80000-0x000001B9E7F90000-memory.dmp

        Filesize

        64KB

      • memory/5072-150-0x000001B9E8070000-0x000001B9E8080000-memory.dmp

        Filesize

        64KB

      • memory/5072-153-0x000001B9E8080000-0x000001B9E8090000-memory.dmp

        Filesize

        64KB

      • memory/5072-152-0x000001B9E7F90000-0x000001B9E7FA0000-memory.dmp

        Filesize

        64KB

      • memory/5072-155-0x000001B9E7FA0000-0x000001B9E7FB0000-memory.dmp

        Filesize

        64KB

      • memory/5072-156-0x000001B9E7FB0000-0x000001B9E7FC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-159-0x000001B9E8090000-0x000001B9E80A0000-memory.dmp

        Filesize

        64KB

      • memory/5072-158-0x000001B9E7FF0000-0x000001B9E8000000-memory.dmp

        Filesize

        64KB

      • memory/5072-157-0x000001B9E7FC0000-0x000001B9E7FD0000-memory.dmp

        Filesize

        64KB

      • memory/5072-160-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-163-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-168-0x000001B9E8010000-0x000001B9E8020000-memory.dmp

        Filesize

        64KB

      • memory/5072-167-0x000001B9E7FE0000-0x000001B9E7FF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-166-0x000001B9E7FD0000-0x000001B9E7FE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-169-0x000001B9E80A0000-0x000001B9E80B0000-memory.dmp

        Filesize

        64KB

      • memory/5072-171-0x000001B9E8000000-0x000001B9E8010000-memory.dmp

        Filesize

        64KB

      • memory/5072-172-0x000001B9E80B0000-0x000001B9E80C0000-memory.dmp

        Filesize

        64KB

      • memory/5072-175-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB

      • memory/5072-179-0x000001B9E8020000-0x000001B9E8030000-memory.dmp

        Filesize

        64KB

      • memory/5072-180-0x000001B9E80C0000-0x000001B9E80D0000-memory.dmp

        Filesize

        64KB

      • memory/5072-184-0x000001B9E8030000-0x000001B9E8040000-memory.dmp

        Filesize

        64KB

      • memory/5072-21-0x000001B9E7DF0000-0x000001B9E7E00000-memory.dmp

        Filesize

        64KB

      • memory/5072-19-0x000001B9E7DE0000-0x000001B9E7DF0000-memory.dmp

        Filesize

        64KB

      • memory/5072-15-0x000001B9E7DB0000-0x000001B9E7DC0000-memory.dmp

        Filesize

        64KB

      • memory/5072-16-0x000001B9E7DC0000-0x000001B9E7DD0000-memory.dmp

        Filesize

        64KB

      • memory/5072-17-0x000001B9E7DD0000-0x000001B9E7DE0000-memory.dmp

        Filesize

        64KB

      • memory/5072-2-0x000001B9E7B40000-0x000001B9E7DB0000-memory.dmp

        Filesize

        2.4MB

      • memory/5072-186-0x000001B9E8040000-0x000001B9E8050000-memory.dmp

        Filesize

        64KB

      • memory/5072-189-0x000001B9E8050000-0x000001B9E8060000-memory.dmp

        Filesize

        64KB

      • memory/5072-192-0x000001B9E8060000-0x000001B9E8070000-memory.dmp

        Filesize

        64KB

      • memory/5072-198-0x000001B9E62F0000-0x000001B9E62F1000-memory.dmp

        Filesize

        4KB