Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 02:24

General

  • Target

    c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar

  • Size

    400KB

  • MD5

    247581cc28bdbd4d432669ca5d588163

  • SHA1

    da0fb4d2b9659436cdad587689a26600aa52fe20

  • SHA256

    c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf

  • SHA512

    68281c5c48f0333943d24ad9d1e54196dbe809d43e3f9a170ee22cfc7b51350be001f7a68285e33752684ca00568419442c6bc05994f78e56bb32338e2f024e8

  • SSDEEP

    12288:QQeEHTT5f4YEDBA8v7m3zaWLckXP9iN43:QJgTT59ISjFP9Qu

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\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:672
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:544
      • 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\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1060
        • 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:3020
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3400
        • 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:3520
          • 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:3564
        • 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:5084
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1044
          • 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:180
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4740

      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\AppData\Local\Temp\jna-63116079\jna2980732467585183811.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2718105630-359604950-2820636825-1000\83aa4cc77f591dfc2374580bbd95f6ba_32404286-a0b5-4a93-9620-6f13fd83251a

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf.jar

        Filesize

        400KB

        MD5

        247581cc28bdbd4d432669ca5d588163

        SHA1

        da0fb4d2b9659436cdad587689a26600aa52fe20

        SHA256

        c3b27ba76af8fec666012c88a8c7a72a428315d8d475b7cf8a4e2e2b6e8b20cf

        SHA512

        68281c5c48f0333943d24ad9d1e54196dbe809d43e3f9a170ee22cfc7b51350be001f7a68285e33752684ca00568419442c6bc05994f78e56bb32338e2f024e8

      • 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/1060-393-0x0000027E979B0000-0x0000027E979B1000-memory.dmp

        Filesize

        4KB

      • memory/1060-359-0x0000027E979B0000-0x0000027E979B1000-memory.dmp

        Filesize

        4KB

      • memory/5048-101-0x0000020F50DD0000-0x0000020F50DE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-191-0x0000020F50CB0000-0x0000020F50CC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-23-0x0000020F50CF0000-0x0000020F50D00000-memory.dmp

        Filesize

        64KB

      • memory/5048-26-0x0000020F50D00000-0x0000020F50D10000-memory.dmp

        Filesize

        64KB

      • memory/5048-27-0x0000020F50D10000-0x0000020F50D20000-memory.dmp

        Filesize

        64KB

      • memory/5048-32-0x0000020F50D30000-0x0000020F50D40000-memory.dmp

        Filesize

        64KB

      • memory/5048-31-0x0000020F50D20000-0x0000020F50D30000-memory.dmp

        Filesize

        64KB

      • memory/5048-30-0x0000020F50A30000-0x0000020F50CA0000-memory.dmp

        Filesize

        2.4MB

      • memory/5048-36-0x0000020F50D40000-0x0000020F50D50000-memory.dmp

        Filesize

        64KB

      • memory/5048-35-0x0000020F50CA0000-0x0000020F50CB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-39-0x0000020F50D50000-0x0000020F50D60000-memory.dmp

        Filesize

        64KB

      • memory/5048-38-0x0000020F50CB0000-0x0000020F50CC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-44-0x0000020F50D60000-0x0000020F50D70000-memory.dmp

        Filesize

        64KB

      • memory/5048-48-0x0000020F50CD0000-0x0000020F50CE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-47-0x0000020F50D90000-0x0000020F50DA0000-memory.dmp

        Filesize

        64KB

      • memory/5048-46-0x0000020F50D80000-0x0000020F50D90000-memory.dmp

        Filesize

        64KB

      • memory/5048-108-0x0000020F50E90000-0x0000020F50EA0000-memory.dmp

        Filesize

        64KB

      • memory/5048-43-0x0000020F50CC0000-0x0000020F50CD0000-memory.dmp

        Filesize

        64KB

      • memory/5048-50-0x0000020F50CE0000-0x0000020F50CF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-51-0x0000020F50DA0000-0x0000020F50DB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-57-0x0000020F50CF0000-0x0000020F50D00000-memory.dmp

        Filesize

        64KB

      • memory/5048-58-0x0000020F50DB0000-0x0000020F50DC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-60-0x0000020F50D00000-0x0000020F50D10000-memory.dmp

        Filesize

        64KB

      • memory/5048-62-0x0000020F50D10000-0x0000020F50D20000-memory.dmp

        Filesize

        64KB

      • memory/5048-63-0x0000020F50DC0000-0x0000020F50DD0000-memory.dmp

        Filesize

        64KB

      • memory/5048-61-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-117-0x0000020F50E10000-0x0000020F50E20000-memory.dmp

        Filesize

        64KB

      • memory/5048-68-0x0000020F50D20000-0x0000020F50D30000-memory.dmp

        Filesize

        64KB

      • memory/5048-71-0x0000020F50DF0000-0x0000020F50E00000-memory.dmp

        Filesize

        64KB

      • memory/5048-70-0x0000020F50DE0000-0x0000020F50DF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-69-0x0000020F50D30000-0x0000020F50D40000-memory.dmp

        Filesize

        64KB

      • memory/5048-77-0x0000020F50D50000-0x0000020F50D60000-memory.dmp

        Filesize

        64KB

      • memory/5048-84-0x0000020F50E20000-0x0000020F50E30000-memory.dmp

        Filesize

        64KB

      • memory/5048-83-0x0000020F50D90000-0x0000020F50DA0000-memory.dmp

        Filesize

        64KB

      • memory/5048-82-0x0000020F50D80000-0x0000020F50D90000-memory.dmp

        Filesize

        64KB

      • memory/5048-85-0x0000020F50E30000-0x0000020F50E40000-memory.dmp

        Filesize

        64KB

      • memory/5048-81-0x0000020F50D70000-0x0000020F50D80000-memory.dmp

        Filesize

        64KB

      • memory/5048-80-0x0000020F50D60000-0x0000020F50D70000-memory.dmp

        Filesize

        64KB

      • memory/5048-76-0x0000020F50E10000-0x0000020F50E20000-memory.dmp

        Filesize

        64KB

      • memory/5048-75-0x0000020F50E00000-0x0000020F50E10000-memory.dmp

        Filesize

        64KB

      • memory/5048-74-0x0000020F50D40000-0x0000020F50D50000-memory.dmp

        Filesize

        64KB

      • memory/5048-90-0x0000020F50E40000-0x0000020F50E50000-memory.dmp

        Filesize

        64KB

      • memory/5048-89-0x0000020F50DA0000-0x0000020F50DB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-93-0x0000020F50E50000-0x0000020F50E60000-memory.dmp

        Filesize

        64KB

      • memory/5048-92-0x0000020F50DB0000-0x0000020F50DC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-99-0x0000020F50E60000-0x0000020F50E70000-memory.dmp

        Filesize

        64KB

      • memory/5048-97-0x0000020F50DC0000-0x0000020F50DD0000-memory.dmp

        Filesize

        64KB

      • memory/5048-102-0x0000020F50E70000-0x0000020F50E80000-memory.dmp

        Filesize

        64KB

      • memory/5048-19-0x0000020F50CD0000-0x0000020F50CE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-104-0x0000020F50DE0000-0x0000020F50DF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-105-0x0000020F50E80000-0x0000020F50E90000-memory.dmp

        Filesize

        64KB

      • memory/5048-107-0x0000020F50DF0000-0x0000020F50E00000-memory.dmp

        Filesize

        64KB

      • memory/5048-45-0x0000020F50D70000-0x0000020F50D80000-memory.dmp

        Filesize

        64KB

      • memory/5048-21-0x0000020F50CE0000-0x0000020F50CF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-65-0x0000020F50DD0000-0x0000020F50DE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-116-0x0000020F50EC0000-0x0000020F50ED0000-memory.dmp

        Filesize

        64KB

      • memory/5048-115-0x0000020F50EB0000-0x0000020F50EC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-114-0x0000020F50EA0000-0x0000020F50EB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-121-0x0000020F50ED0000-0x0000020F50EE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-120-0x0000020F50E20000-0x0000020F50E30000-memory.dmp

        Filesize

        64KB

      • memory/5048-124-0x0000020F50EE0000-0x0000020F50EF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-123-0x0000020F50E30000-0x0000020F50E40000-memory.dmp

        Filesize

        64KB

      • memory/5048-126-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-128-0x0000020F50E40000-0x0000020F50E50000-memory.dmp

        Filesize

        64KB

      • memory/5048-129-0x0000020F50EF0000-0x0000020F50F00000-memory.dmp

        Filesize

        64KB

      • memory/5048-131-0x0000020F50E50000-0x0000020F50E60000-memory.dmp

        Filesize

        64KB

      • memory/5048-132-0x0000020F50F00000-0x0000020F50F10000-memory.dmp

        Filesize

        64KB

      • memory/5048-136-0x0000020F50F10000-0x0000020F50F20000-memory.dmp

        Filesize

        64KB

      • memory/5048-135-0x0000020F50E60000-0x0000020F50E70000-memory.dmp

        Filesize

        64KB

      • memory/5048-139-0x0000020F50F20000-0x0000020F50F30000-memory.dmp

        Filesize

        64KB

      • memory/5048-138-0x0000020F50E70000-0x0000020F50E80000-memory.dmp

        Filesize

        64KB

      • memory/5048-142-0x0000020F50E80000-0x0000020F50E90000-memory.dmp

        Filesize

        64KB

      • memory/5048-143-0x0000020F50F30000-0x0000020F50F40000-memory.dmp

        Filesize

        64KB

      • memory/5048-145-0x0000020F50E90000-0x0000020F50EA0000-memory.dmp

        Filesize

        64KB

      • memory/5048-146-0x0000020F50F40000-0x0000020F50F50000-memory.dmp

        Filesize

        64KB

      • memory/5048-147-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-149-0x0000020F50EA0000-0x0000020F50EB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-152-0x0000020F50F50000-0x0000020F50F60000-memory.dmp

        Filesize

        64KB

      • memory/5048-151-0x0000020F50EC0000-0x0000020F50ED0000-memory.dmp

        Filesize

        64KB

      • memory/5048-150-0x0000020F50EB0000-0x0000020F50EC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-154-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-157-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-160-0x0000020F50F60000-0x0000020F50F70000-memory.dmp

        Filesize

        64KB

      • memory/5048-159-0x0000020F50ED0000-0x0000020F50EE0000-memory.dmp

        Filesize

        64KB

      • memory/5048-162-0x0000020F50EE0000-0x0000020F50EF0000-memory.dmp

        Filesize

        64KB

      • memory/5048-164-0x0000020F50EF0000-0x0000020F50F00000-memory.dmp

        Filesize

        64KB

      • memory/5048-165-0x0000020F50F70000-0x0000020F50F80000-memory.dmp

        Filesize

        64KB

      • memory/5048-166-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-167-0x0000020F50F00000-0x0000020F50F10000-memory.dmp

        Filesize

        64KB

      • memory/5048-168-0x0000020F50F10000-0x0000020F50F20000-memory.dmp

        Filesize

        64KB

      • memory/5048-169-0x0000020F50F20000-0x0000020F50F30000-memory.dmp

        Filesize

        64KB

      • memory/5048-170-0x0000020F50F30000-0x0000020F50F40000-memory.dmp

        Filesize

        64KB

      • memory/5048-171-0x0000020F50F40000-0x0000020F50F50000-memory.dmp

        Filesize

        64KB

      • memory/5048-173-0x0000020F50F50000-0x0000020F50F60000-memory.dmp

        Filesize

        64KB

      • memory/5048-174-0x0000020F50F80000-0x0000020F50F90000-memory.dmp

        Filesize

        64KB

      • memory/5048-17-0x0000020F50CC0000-0x0000020F50CD0000-memory.dmp

        Filesize

        64KB

      • memory/5048-178-0x0000020F50F60000-0x0000020F50F70000-memory.dmp

        Filesize

        64KB

      • memory/5048-180-0x0000020F50F70000-0x0000020F50F80000-memory.dmp

        Filesize

        64KB

      • memory/5048-188-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-190-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5048-113-0x0000020F50E00000-0x0000020F50E10000-memory.dmp

        Filesize

        64KB

      • memory/5048-2-0x0000020F50A30000-0x0000020F50CA0000-memory.dmp

        Filesize

        2.4MB

      • memory/5048-14-0x0000020F50CA0000-0x0000020F50CB0000-memory.dmp

        Filesize

        64KB

      • memory/5048-15-0x0000020F50CB0000-0x0000020F50CC0000-memory.dmp

        Filesize

        64KB

      • memory/5048-11-0x0000020F4F1D0000-0x0000020F4F1D1000-memory.dmp

        Filesize

        4KB

      • memory/5100-253-0x000001F9CC560000-0x000001F9CC561000-memory.dmp

        Filesize

        4KB