Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 13:06

General

  • Target

    PL40704.jar

  • Size

    400KB

  • MD5

    1562675352c69cc1ecba3c247501af29

  • SHA1

    5beeeb995f7a0a5550eaf97ffd010992ee716643

  • SHA256

    4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd

  • SHA512

    7db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d

  • SSDEEP

    12288:0QKsHTT5/YEwDFoEv763/qSncsfP9iNoDQ:0hoTT5dQOvhP9QeQ

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\PL40704.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PL40704.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PL40704.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3780
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PL40704.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4020
      • 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\PL40704.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3544
        • 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:4900
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1656
        • 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:1584
          • 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:4288
        • 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:2508
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:3996
          • 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:1492
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2016

      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\jna8491279850575284393.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-384068567-2943195810-3631207890-1000\83aa4cc77f591dfc2374580bbd95f6ba_89cda556-130e-4f17-88ab-af18fe5b92e6

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\PL40704.jar

        Filesize

        400KB

        MD5

        1562675352c69cc1ecba3c247501af29

        SHA1

        5beeeb995f7a0a5550eaf97ffd010992ee716643

        SHA256

        4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd

        SHA512

        7db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d

      • 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/396-110-0x0000026D80470000-0x0000026D80480000-memory.dmp

        Filesize

        64KB

      • memory/396-29-0x0000026D802F0000-0x0000026D80300000-memory.dmp

        Filesize

        64KB

      • memory/396-21-0x0000026D802B0000-0x0000026D802C0000-memory.dmp

        Filesize

        64KB

      • memory/396-20-0x0000026D802A0000-0x0000026D802B0000-memory.dmp

        Filesize

        64KB

      • memory/396-23-0x0000026D802C0000-0x0000026D802D0000-memory.dmp

        Filesize

        64KB

      • memory/396-27-0x0000026D802E0000-0x0000026D802F0000-memory.dmp

        Filesize

        64KB

      • memory/396-26-0x0000026D802D0000-0x0000026D802E0000-memory.dmp

        Filesize

        64KB

      • memory/396-32-0x0000026D80300000-0x0000026D80310000-memory.dmp

        Filesize

        64KB

      • memory/396-31-0x0000026D80000000-0x0000026D80270000-memory.dmp

        Filesize

        2.4MB

      • memory/396-36-0x0000026D80310000-0x0000026D80320000-memory.dmp

        Filesize

        64KB

      • memory/396-37-0x0000026D80320000-0x0000026D80330000-memory.dmp

        Filesize

        64KB

      • memory/396-39-0x0000026D80280000-0x0000026D80290000-memory.dmp

        Filesize

        64KB

      • memory/396-102-0x0000026D80380000-0x0000026D80390000-memory.dmp

        Filesize

        64KB

      • memory/396-35-0x0000026D80270000-0x0000026D80280000-memory.dmp

        Filesize

        64KB

      • memory/396-117-0x0000026D803C0000-0x0000026D803D0000-memory.dmp

        Filesize

        64KB

      • memory/396-44-0x0000026D80340000-0x0000026D80350000-memory.dmp

        Filesize

        64KB

      • memory/396-43-0x0000026D80290000-0x0000026D802A0000-memory.dmp

        Filesize

        64KB

      • memory/396-49-0x0000026D80350000-0x0000026D80360000-memory.dmp

        Filesize

        64KB

      • memory/396-48-0x0000026D802B0000-0x0000026D802C0000-memory.dmp

        Filesize

        64KB

      • memory/396-47-0x0000026D802A0000-0x0000026D802B0000-memory.dmp

        Filesize

        64KB

      • memory/396-54-0x0000026D80360000-0x0000026D80370000-memory.dmp

        Filesize

        64KB

      • memory/396-53-0x0000026D802C0000-0x0000026D802D0000-memory.dmp

        Filesize

        64KB

      • memory/396-59-0x0000026D80370000-0x0000026D80380000-memory.dmp

        Filesize

        64KB

      • memory/396-58-0x0000026D802D0000-0x0000026D802E0000-memory.dmp

        Filesize

        64KB

      • memory/396-64-0x0000026D80390000-0x0000026D803A0000-memory.dmp

        Filesize

        64KB

      • memory/396-62-0x0000026D802E0000-0x0000026D802F0000-memory.dmp

        Filesize

        64KB

      • memory/396-63-0x0000026D80380000-0x0000026D80390000-memory.dmp

        Filesize

        64KB

      • memory/396-66-0x0000026D803A0000-0x0000026D803B0000-memory.dmp

        Filesize

        64KB

      • memory/396-65-0x0000026D802F0000-0x0000026D80300000-memory.dmp

        Filesize

        64KB

      • memory/396-70-0x0000026D803B0000-0x0000026D803C0000-memory.dmp

        Filesize

        64KB

      • memory/396-69-0x0000026D80300000-0x0000026D80310000-memory.dmp

        Filesize

        64KB

      • memory/396-75-0x0000026D803D0000-0x0000026D803E0000-memory.dmp

        Filesize

        64KB

      • memory/396-74-0x0000026D803C0000-0x0000026D803D0000-memory.dmp

        Filesize

        64KB

      • memory/396-73-0x0000026D80310000-0x0000026D80320000-memory.dmp

        Filesize

        64KB

      • memory/396-80-0x0000026D803F0000-0x0000026D80400000-memory.dmp

        Filesize

        64KB

      • memory/396-82-0x0000026D80400000-0x0000026D80410000-memory.dmp

        Filesize

        64KB

      • memory/396-81-0x0000026D80330000-0x0000026D80340000-memory.dmp

        Filesize

        64KB

      • memory/396-79-0x0000026D803E0000-0x0000026D803F0000-memory.dmp

        Filesize

        64KB

      • memory/396-78-0x0000026D80320000-0x0000026D80330000-memory.dmp

        Filesize

        64KB

      • memory/396-86-0x0000026D80340000-0x0000026D80350000-memory.dmp

        Filesize

        64KB

      • memory/396-87-0x0000026D80410000-0x0000026D80420000-memory.dmp

        Filesize

        64KB

      • memory/396-90-0x0000026D80420000-0x0000026D80430000-memory.dmp

        Filesize

        64KB

      • memory/396-89-0x0000026D80350000-0x0000026D80360000-memory.dmp

        Filesize

        64KB

      • memory/396-91-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-94-0x0000026D80430000-0x0000026D80440000-memory.dmp

        Filesize

        64KB

      • memory/396-93-0x0000026D80360000-0x0000026D80370000-memory.dmp

        Filesize

        64KB

      • memory/396-99-0x0000026D80440000-0x0000026D80450000-memory.dmp

        Filesize

        64KB

      • memory/396-98-0x0000026D80370000-0x0000026D80380000-memory.dmp

        Filesize

        64KB

      • memory/396-107-0x0000026D803A0000-0x0000026D803B0000-memory.dmp

        Filesize

        64KB

      • memory/396-105-0x0000026D80460000-0x0000026D80470000-memory.dmp

        Filesize

        64KB

      • memory/396-14-0x0000026D80270000-0x0000026D80280000-memory.dmp

        Filesize

        64KB

      • memory/396-111-0x0000026D80480000-0x0000026D80490000-memory.dmp

        Filesize

        64KB

      • memory/396-109-0x0000026D803B0000-0x0000026D803C0000-memory.dmp

        Filesize

        64KB

      • memory/396-103-0x0000026D80390000-0x0000026D803A0000-memory.dmp

        Filesize

        64KB

      • memory/396-40-0x0000026D80330000-0x0000026D80340000-memory.dmp

        Filesize

        64KB

      • memory/396-2-0x0000026D80000000-0x0000026D80270000-memory.dmp

        Filesize

        2.4MB

      • memory/396-17-0x0000026D80290000-0x0000026D802A0000-memory.dmp

        Filesize

        64KB

      • memory/396-121-0x0000026D804B0000-0x0000026D804C0000-memory.dmp

        Filesize

        64KB

      • memory/396-120-0x0000026D804A0000-0x0000026D804B0000-memory.dmp

        Filesize

        64KB

      • memory/396-119-0x0000026D80490000-0x0000026D804A0000-memory.dmp

        Filesize

        64KB

      • memory/396-118-0x0000026D803D0000-0x0000026D803E0000-memory.dmp

        Filesize

        64KB

      • memory/396-115-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-124-0x0000026D804C0000-0x0000026D804D0000-memory.dmp

        Filesize

        64KB

      • memory/396-123-0x0000026D803F0000-0x0000026D80400000-memory.dmp

        Filesize

        64KB

      • memory/396-122-0x0000026D803E0000-0x0000026D803F0000-memory.dmp

        Filesize

        64KB

      • memory/396-129-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-131-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-133-0x0000026D804D0000-0x0000026D804E0000-memory.dmp

        Filesize

        64KB

      • memory/396-132-0x0000026D80400000-0x0000026D80410000-memory.dmp

        Filesize

        64KB

      • memory/396-135-0x0000026D80410000-0x0000026D80420000-memory.dmp

        Filesize

        64KB

      • memory/396-136-0x0000026D804E0000-0x0000026D804F0000-memory.dmp

        Filesize

        64KB

      • memory/396-139-0x0000026D804F0000-0x0000026D80500000-memory.dmp

        Filesize

        64KB

      • memory/396-138-0x0000026D80420000-0x0000026D80430000-memory.dmp

        Filesize

        64KB

      • memory/396-141-0x0000026D80430000-0x0000026D80440000-memory.dmp

        Filesize

        64KB

      • memory/396-142-0x0000026D80500000-0x0000026D80510000-memory.dmp

        Filesize

        64KB

      • memory/396-146-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-145-0x0000026D80440000-0x0000026D80450000-memory.dmp

        Filesize

        64KB

      • memory/396-148-0x0000026D80520000-0x0000026D80530000-memory.dmp

        Filesize

        64KB

      • memory/396-147-0x0000026D80510000-0x0000026D80520000-memory.dmp

        Filesize

        64KB

      • memory/396-150-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-153-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-155-0x0000026D80450000-0x0000026D80460000-memory.dmp

        Filesize

        64KB

      • memory/396-156-0x0000026D80530000-0x0000026D80540000-memory.dmp

        Filesize

        64KB

      • memory/396-158-0x0000026D80460000-0x0000026D80470000-memory.dmp

        Filesize

        64KB

      • memory/396-159-0x0000026D80540000-0x0000026D80550000-memory.dmp

        Filesize

        64KB

      • memory/396-163-0x0000026D80550000-0x0000026D80560000-memory.dmp

        Filesize

        64KB

      • memory/396-162-0x0000026D80480000-0x0000026D80490000-memory.dmp

        Filesize

        64KB

      • memory/396-161-0x0000026D80470000-0x0000026D80480000-memory.dmp

        Filesize

        64KB

      • memory/396-167-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-169-0x0000026D80490000-0x0000026D804A0000-memory.dmp

        Filesize

        64KB

      • memory/396-170-0x0000026D804A0000-0x0000026D804B0000-memory.dmp

        Filesize

        64KB

      • memory/396-171-0x0000026D804B0000-0x0000026D804C0000-memory.dmp

        Filesize

        64KB

      • memory/396-172-0x0000026D80560000-0x0000026D80570000-memory.dmp

        Filesize

        64KB

      • memory/396-175-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/396-181-0x0000026D80570000-0x0000026D80580000-memory.dmp

        Filesize

        64KB

      • memory/396-180-0x0000026D804C0000-0x0000026D804D0000-memory.dmp

        Filesize

        64KB

      • memory/396-185-0x0000026D80580000-0x0000026D80590000-memory.dmp

        Filesize

        64KB

      • memory/396-184-0x0000026D804D0000-0x0000026D804E0000-memory.dmp

        Filesize

        64KB

      • memory/396-15-0x0000026D80280000-0x0000026D80290000-memory.dmp

        Filesize

        64KB

      • memory/396-190-0x0000026D80290000-0x0000026D802A0000-memory.dmp

        Filesize

        64KB

      • memory/396-191-0x0000026D802A0000-0x0000026D802B0000-memory.dmp

        Filesize

        64KB

      • memory/396-189-0x0000026D80270000-0x0000026D80280000-memory.dmp

        Filesize

        64KB

      • memory/396-188-0x0000026D80280000-0x0000026D80290000-memory.dmp

        Filesize

        64KB

      • memory/396-187-0x0000026D802E0000-0x0000026D802F0000-memory.dmp

        Filesize

        64KB

      • memory/396-104-0x0000026D80450000-0x0000026D80460000-memory.dmp

        Filesize

        64KB

      • memory/396-11-0x0000026DF16D0000-0x0000026DF16D1000-memory.dmp

        Filesize

        4KB

      • memory/3544-345-0x000001CEF44E0000-0x000001CEF44E1000-memory.dmp

        Filesize

        4KB

      • memory/3544-380-0x000001CEF44E0000-0x000001CEF44E1000-memory.dmp

        Filesize

        4KB

      • memory/3544-382-0x000001CEF44E0000-0x000001CEF44E1000-memory.dmp

        Filesize

        4KB

      • memory/4716-249-0x00000176559F0000-0x00000176559F1000-memory.dmp

        Filesize

        4KB