Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 01:30

General

  • Target

    42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar

  • Size

    400KB

  • MD5

    f6b06af9e65718cfa313431a653f4663

  • SHA1

    b4ee8f08a515201ad692c2252f8259611ae245a3

  • SHA256

    42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f

  • SHA512

    989f546273b1ed0beabb85de886c0edf24f95f605a1c33c0457e900af4f86100b27398dc94a2fdc5b99c5075755d13a75e3535c6912350efaaf6d1077ce21a63

  • SSDEEP

    12288:WXN+HTi58brPDRsjv7L35TCjcjNP9iNau:WdaTi5SCnpnP9Qx

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.

  • Scheduled Task/Job: Scheduled Task 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3388
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4752
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2200
      • 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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4464
        • 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:2132
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1748
        • 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:1940
          • 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:4868
        • 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:3108
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4276
          • 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:4780
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1908

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar

        Filesize

        400KB

        MD5

        f6b06af9e65718cfa313431a653f4663

        SHA1

        b4ee8f08a515201ad692c2252f8259611ae245a3

        SHA256

        42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f

        SHA512

        989f546273b1ed0beabb85de886c0edf24f95f605a1c33c0457e900af4f86100b27398dc94a2fdc5b99c5075755d13a75e3535c6912350efaaf6d1077ce21a63

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4795777461303930791.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302416131-1437503476-2806442725-1000\83aa4cc77f591dfc2374580bbd95f6ba_acd03e19-89e2-40d7-b0f4-25b8a05635ee

        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/624-97-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-187-0x0000021DC19F0000-0x0000021DC1A00000-memory.dmp

        Filesize

        64KB

      • memory/624-23-0x0000021DC19E0000-0x0000021DC19F0000-memory.dmp

        Filesize

        64KB

      • memory/624-25-0x0000021DC19F0000-0x0000021DC1A00000-memory.dmp

        Filesize

        64KB

      • memory/624-22-0x0000021DC19D0000-0x0000021DC19E0000-memory.dmp

        Filesize

        64KB

      • memory/624-21-0x0000021DC19C0000-0x0000021DC19D0000-memory.dmp

        Filesize

        64KB

      • memory/624-29-0x0000021DC1A10000-0x0000021DC1A20000-memory.dmp

        Filesize

        64KB

      • memory/624-28-0x0000021DC1A00000-0x0000021DC1A10000-memory.dmp

        Filesize

        64KB

      • memory/624-34-0x0000021DC1A30000-0x0000021DC1A40000-memory.dmp

        Filesize

        64KB

      • memory/624-33-0x0000021DC1A20000-0x0000021DC1A30000-memory.dmp

        Filesize

        64KB

      • memory/624-39-0x0000021DC1A40000-0x0000021DC1A50000-memory.dmp

        Filesize

        64KB

      • memory/624-40-0x0000021DC1A50000-0x0000021DC1A60000-memory.dmp

        Filesize

        64KB

      • memory/624-38-0x0000021DC19A0000-0x0000021DC19B0000-memory.dmp

        Filesize

        64KB

      • memory/624-37-0x0000021DC1990000-0x0000021DC19A0000-memory.dmp

        Filesize

        64KB

      • memory/624-32-0x0000021DC1720000-0x0000021DC1990000-memory.dmp

        Filesize

        2.4MB

      • memory/624-48-0x0000021DC19D0000-0x0000021DC19E0000-memory.dmp

        Filesize

        64KB

      • memory/624-104-0x0000021DC1B70000-0x0000021DC1B80000-memory.dmp

        Filesize

        64KB

      • memory/624-44-0x0000021DC19B0000-0x0000021DC19C0000-memory.dmp

        Filesize

        64KB

      • memory/624-49-0x0000021DC19E0000-0x0000021DC19F0000-memory.dmp

        Filesize

        64KB

      • memory/624-47-0x0000021DC19C0000-0x0000021DC19D0000-memory.dmp

        Filesize

        64KB

      • memory/624-46-0x0000021DC1A70000-0x0000021DC1A80000-memory.dmp

        Filesize

        64KB

      • memory/624-45-0x0000021DC1A60000-0x0000021DC1A70000-memory.dmp

        Filesize

        64KB

      • memory/624-53-0x0000021DC1A90000-0x0000021DC1AA0000-memory.dmp

        Filesize

        64KB

      • memory/624-52-0x0000021DC19F0000-0x0000021DC1A00000-memory.dmp

        Filesize

        64KB

      • memory/624-56-0x0000021DC1AA0000-0x0000021DC1AB0000-memory.dmp

        Filesize

        64KB

      • memory/624-55-0x0000021DC1A10000-0x0000021DC1A20000-memory.dmp

        Filesize

        64KB

      • memory/624-108-0x0000021DC1AF0000-0x0000021DC1B00000-memory.dmp

        Filesize

        64KB

      • memory/624-67-0x0000021DC1AC0000-0x0000021DC1AD0000-memory.dmp

        Filesize

        64KB

      • memory/624-66-0x0000021DC1A30000-0x0000021DC1A40000-memory.dmp

        Filesize

        64KB

      • memory/624-65-0x0000021DC1A20000-0x0000021DC1A30000-memory.dmp

        Filesize

        64KB

      • memory/624-69-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-68-0x0000021DC1AD0000-0x0000021DC1AE0000-memory.dmp

        Filesize

        64KB

      • memory/624-72-0x0000021DC1A40000-0x0000021DC1A50000-memory.dmp

        Filesize

        64KB

      • memory/624-75-0x0000021DC1A50000-0x0000021DC1A60000-memory.dmp

        Filesize

        64KB

      • memory/624-74-0x0000021DC1AF0000-0x0000021DC1B00000-memory.dmp

        Filesize

        64KB

      • memory/624-73-0x0000021DC1AE0000-0x0000021DC1AF0000-memory.dmp

        Filesize

        64KB

      • memory/624-81-0x0000021DC1B10000-0x0000021DC1B20000-memory.dmp

        Filesize

        64KB

      • memory/624-80-0x0000021DC1B00000-0x0000021DC1B10000-memory.dmp

        Filesize

        64KB

      • memory/624-79-0x0000021DC1A70000-0x0000021DC1A80000-memory.dmp

        Filesize

        64KB

      • memory/624-78-0x0000021DC1A60000-0x0000021DC1A70000-memory.dmp

        Filesize

        64KB

      • memory/624-83-0x0000021DC1A80000-0x0000021DC1A90000-memory.dmp

        Filesize

        64KB

      • memory/624-84-0x0000021DC1B20000-0x0000021DC1B30000-memory.dmp

        Filesize

        64KB

      • memory/624-87-0x0000021DC1B30000-0x0000021DC1B40000-memory.dmp

        Filesize

        64KB

      • memory/624-86-0x0000021DC1A90000-0x0000021DC1AA0000-memory.dmp

        Filesize

        64KB

      • memory/624-91-0x0000021DC1B40000-0x0000021DC1B50000-memory.dmp

        Filesize

        64KB

      • memory/624-90-0x0000021DC1AA0000-0x0000021DC1AB0000-memory.dmp

        Filesize

        64KB

      • memory/624-95-0x0000021DC1B50000-0x0000021DC1B60000-memory.dmp

        Filesize

        64KB

      • memory/624-94-0x0000021DC1AB0000-0x0000021DC1AC0000-memory.dmp

        Filesize

        64KB

      • memory/624-18-0x0000021DC19B0000-0x0000021DC19C0000-memory.dmp

        Filesize

        64KB

      • memory/624-99-0x0000021DC1B60000-0x0000021DC1B70000-memory.dmp

        Filesize

        64KB

      • memory/624-98-0x0000021DC1AC0000-0x0000021DC1AD0000-memory.dmp

        Filesize

        64KB

      • memory/624-103-0x0000021DC1AD0000-0x0000021DC1AE0000-memory.dmp

        Filesize

        64KB

      • memory/624-50-0x0000021DC1A80000-0x0000021DC1A90000-memory.dmp

        Filesize

        64KB

      • memory/624-14-0x0000021DC1990000-0x0000021DC19A0000-memory.dmp

        Filesize

        64KB

      • memory/624-62-0x0000021DC1AB0000-0x0000021DC1AC0000-memory.dmp

        Filesize

        64KB

      • memory/624-107-0x0000021DC1AE0000-0x0000021DC1AF0000-memory.dmp

        Filesize

        64KB

      • memory/624-110-0x0000021DC1B90000-0x0000021DC1BA0000-memory.dmp

        Filesize

        64KB

      • memory/624-117-0x0000021DC1BB0000-0x0000021DC1BC0000-memory.dmp

        Filesize

        64KB

      • memory/624-116-0x0000021DC1BA0000-0x0000021DC1BB0000-memory.dmp

        Filesize

        64KB

      • memory/624-115-0x0000021DC1B10000-0x0000021DC1B20000-memory.dmp

        Filesize

        64KB

      • memory/624-114-0x0000021DC1B00000-0x0000021DC1B10000-memory.dmp

        Filesize

        64KB

      • memory/624-120-0x0000021DC1BC0000-0x0000021DC1BD0000-memory.dmp

        Filesize

        64KB

      • memory/624-119-0x0000021DC1B20000-0x0000021DC1B30000-memory.dmp

        Filesize

        64KB

      • memory/624-126-0x0000021DC1B30000-0x0000021DC1B40000-memory.dmp

        Filesize

        64KB

      • memory/624-127-0x0000021DC1BD0000-0x0000021DC1BE0000-memory.dmp

        Filesize

        64KB

      • memory/624-129-0x0000021DC1B40000-0x0000021DC1B50000-memory.dmp

        Filesize

        64KB

      • memory/624-131-0x0000021DC1BE0000-0x0000021DC1BF0000-memory.dmp

        Filesize

        64KB

      • memory/624-133-0x0000021DC1B50000-0x0000021DC1B60000-memory.dmp

        Filesize

        64KB

      • memory/624-134-0x0000021DC1BF0000-0x0000021DC1C00000-memory.dmp

        Filesize

        64KB

      • memory/624-137-0x0000021DC1C00000-0x0000021DC1C10000-memory.dmp

        Filesize

        64KB

      • memory/624-136-0x0000021DC1B60000-0x0000021DC1B70000-memory.dmp

        Filesize

        64KB

      • memory/624-140-0x0000021DC1C10000-0x0000021DC1C20000-memory.dmp

        Filesize

        64KB

      • memory/624-139-0x0000021DC1B70000-0x0000021DC1B80000-memory.dmp

        Filesize

        64KB

      • memory/624-143-0x0000021DC1C20000-0x0000021DC1C30000-memory.dmp

        Filesize

        64KB

      • memory/624-142-0x0000021DC1B80000-0x0000021DC1B90000-memory.dmp

        Filesize

        64KB

      • memory/624-146-0x0000021DC1C30000-0x0000021DC1C40000-memory.dmp

        Filesize

        64KB

      • memory/624-145-0x0000021DC1B90000-0x0000021DC1BA0000-memory.dmp

        Filesize

        64KB

      • memory/624-147-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-154-0x0000021DC1C40000-0x0000021DC1C50000-memory.dmp

        Filesize

        64KB

      • memory/624-153-0x0000021DC1BB0000-0x0000021DC1BC0000-memory.dmp

        Filesize

        64KB

      • memory/624-152-0x0000021DC1BA0000-0x0000021DC1BB0000-memory.dmp

        Filesize

        64KB

      • memory/624-156-0x0000021DC1C50000-0x0000021DC1C60000-memory.dmp

        Filesize

        64KB

      • memory/624-158-0x0000021DC1BC0000-0x0000021DC1BD0000-memory.dmp

        Filesize

        64KB

      • memory/624-159-0x0000021DC1C60000-0x0000021DC1C70000-memory.dmp

        Filesize

        64KB

      • memory/624-164-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-167-0x0000021DC1C70000-0x0000021DC1C80000-memory.dmp

        Filesize

        64KB

      • memory/624-166-0x0000021DC1BD0000-0x0000021DC1BE0000-memory.dmp

        Filesize

        64KB

      • memory/624-171-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-172-0x0000021DC1BE0000-0x0000021DC1BF0000-memory.dmp

        Filesize

        64KB

      • memory/624-174-0x0000021DC1BF0000-0x0000021DC1C00000-memory.dmp

        Filesize

        64KB

      • memory/624-175-0x0000021DC1C00000-0x0000021DC1C10000-memory.dmp

        Filesize

        64KB

      • memory/624-179-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/624-180-0x0000021DC19E0000-0x0000021DC19F0000-memory.dmp

        Filesize

        64KB

      • memory/624-185-0x0000021DC19D0000-0x0000021DC19E0000-memory.dmp

        Filesize

        64KB

      • memory/624-184-0x0000021DC19C0000-0x0000021DC19D0000-memory.dmp

        Filesize

        64KB

      • memory/624-15-0x0000021DC19A0000-0x0000021DC19B0000-memory.dmp

        Filesize

        64KB

      • memory/624-183-0x0000021DC19B0000-0x0000021DC19C0000-memory.dmp

        Filesize

        64KB

      • memory/624-182-0x0000021DC19A0000-0x0000021DC19B0000-memory.dmp

        Filesize

        64KB

      • memory/624-181-0x0000021DC1990000-0x0000021DC19A0000-memory.dmp

        Filesize

        64KB

      • memory/624-186-0x0000021DC1720000-0x0000021DC1990000-memory.dmp

        Filesize

        2.4MB

      • memory/624-109-0x0000021DC1B80000-0x0000021DC1B90000-memory.dmp

        Filesize

        64KB

      • memory/624-2-0x0000021DC1720000-0x0000021DC1990000-memory.dmp

        Filesize

        2.4MB

      • memory/624-11-0x0000021DBFEB0000-0x0000021DBFEB1000-memory.dmp

        Filesize

        4KB

      • memory/3388-242-0x0000028CDE5D0000-0x0000028CDE5D1000-memory.dmp

        Filesize

        4KB

      • memory/4464-353-0x0000020892C30000-0x0000020892C31000-memory.dmp

        Filesize

        4KB

      • memory/4464-387-0x0000020892C30000-0x0000020892C31000-memory.dmp

        Filesize

        4KB