Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 06:40

General

  • Target

    551775-ZAM-6-6-2024.jar

  • Size

    400KB

  • MD5

    48beddb23fb9d561c9c5068889d87eec

  • SHA1

    b3f0a91033eb71ba464d303483433cc792024159

  • SHA256

    1575826baa7c2a340ec94cd065d163fe6d272a9c6bf7457fa4f3142e02fe7085

  • SHA512

    6350dce0cb8a1478768dda00d1b4882930cc76320cc29961e64116bdbbe848bdb00e33c48e83da091a7697b00f402b5c2d87728aec9515805cf9692a726a7e84

  • SSDEEP

    12288:6b5GHT25ETrrDN8/v7H353mTcP5P9iNqa:6FCT25eW7pLP9QJ

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\551775-ZAM-6-6-2024.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\551775-ZAM-6-6-2024.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\551775-ZAM-6-6-2024.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\551775-ZAM-6-6-2024.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2592
      • 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\551775-ZAM-6-6-2024.jar"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1528
        • 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:3832
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2328
        • 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:2356
          • 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:1612
        • 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:1604
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1944
          • 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:820
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1964

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        b585296f30c9d5e6cae4fafb1b0a658b

        SHA1

        6499f59842a8e5bc882e367ef16d38e0d205c585

        SHA256

        a009c13e78af9e4c2eb648d08f7da26b6fe90de7b1f68be09017151c21b1c5a7

        SHA512

        15ecd811ac3029100a4ce29cfada4aed4df64f0c59c5aaace5ca0fffdc60ab53edd7ad6a151a14146a0a6b1e0f50d55fedc6cb89547a6405b535637d0129b8df

      • C:\Users\Admin\551775-ZAM-6-6-2024.jar

        Filesize

        400KB

        MD5

        48beddb23fb9d561c9c5068889d87eec

        SHA1

        b3f0a91033eb71ba464d303483433cc792024159

        SHA256

        1575826baa7c2a340ec94cd065d163fe6d272a9c6bf7457fa4f3142e02fe7085

        SHA512

        6350dce0cb8a1478768dda00d1b4882930cc76320cc29961e64116bdbbe848bdb00e33c48e83da091a7697b00f402b5c2d87728aec9515805cf9692a726a7e84

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna4997845150868925282.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4182098368-2521458979-3782681353-1000\83aa4cc77f591dfc2374580bbd95f6ba_ea0aa4d6-aa48-4733-9e64-85ab59ce35b0

        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/1528-374-0x000001B2CFBC0000-0x000001B2CFBC1000-memory.dmp

        Filesize

        4KB

      • memory/1528-341-0x000001B2CFBC0000-0x000001B2CFBC1000-memory.dmp

        Filesize

        4KB

      • memory/1884-238-0x0000019E15890000-0x0000019E15891000-memory.dmp

        Filesize

        4KB

      • memory/4860-97-0x00000241C63C0000-0x00000241C63D0000-memory.dmp

        Filesize

        64KB

      • memory/4860-177-0x00000241C62B0000-0x00000241C62C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-26-0x00000241C6260000-0x00000241C6270000-memory.dmp

        Filesize

        64KB

      • memory/4860-29-0x00000241C6280000-0x00000241C6290000-memory.dmp

        Filesize

        64KB

      • memory/4860-37-0x00000241C62A0000-0x00000241C62B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-41-0x00000241C6200000-0x00000241C6210000-memory.dmp

        Filesize

        64KB

      • memory/4860-40-0x00000241C62B0000-0x00000241C62C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-39-0x00000241C62D0000-0x00000241C62E0000-memory.dmp

        Filesize

        64KB

      • memory/4860-38-0x00000241C62C0000-0x00000241C62D0000-memory.dmp

        Filesize

        64KB

      • memory/4860-33-0x00000241C6290000-0x00000241C62A0000-memory.dmp

        Filesize

        64KB

      • memory/4860-36-0x00000241C5F90000-0x00000241C6200000-memory.dmp

        Filesize

        2.4MB

      • memory/4860-44-0x00000241C62E0000-0x00000241C62F0000-memory.dmp

        Filesize

        64KB

      • memory/4860-43-0x00000241C6210000-0x00000241C6220000-memory.dmp

        Filesize

        64KB

      • memory/4860-51-0x00000241C62F0000-0x00000241C6300000-memory.dmp

        Filesize

        64KB

      • memory/4860-50-0x00000241C6220000-0x00000241C6230000-memory.dmp

        Filesize

        64KB

      • memory/4860-55-0x00000241C6300000-0x00000241C6310000-memory.dmp

        Filesize

        64KB

      • memory/4860-54-0x00000241C6230000-0x00000241C6240000-memory.dmp

        Filesize

        64KB

      • memory/4860-57-0x00000241C6240000-0x00000241C6250000-memory.dmp

        Filesize

        64KB

      • memory/4860-58-0x00000241C6310000-0x00000241C6320000-memory.dmp

        Filesize

        64KB

      • memory/4860-59-0x00000241C6250000-0x00000241C6260000-memory.dmp

        Filesize

        64KB

      • memory/4860-61-0x00000241C6320000-0x00000241C6330000-memory.dmp

        Filesize

        64KB

      • memory/4860-60-0x00000241C6270000-0x00000241C6280000-memory.dmp

        Filesize

        64KB

      • memory/4860-64-0x00000241C6260000-0x00000241C6270000-memory.dmp

        Filesize

        64KB

      • memory/4860-66-0x00000241C6340000-0x00000241C6350000-memory.dmp

        Filesize

        64KB

      • memory/4860-65-0x00000241C6330000-0x00000241C6340000-memory.dmp

        Filesize

        64KB

      • memory/4860-67-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-73-0x00000241C6360000-0x00000241C6370000-memory.dmp

        Filesize

        64KB

      • memory/4860-72-0x00000241C6350000-0x00000241C6360000-memory.dmp

        Filesize

        64KB

      • memory/4860-71-0x00000241C6280000-0x00000241C6290000-memory.dmp

        Filesize

        64KB

      • memory/4860-76-0x00000241C6290000-0x00000241C62A0000-memory.dmp

        Filesize

        64KB

      • memory/4860-78-0x00000241C6380000-0x00000241C6390000-memory.dmp

        Filesize

        64KB

      • memory/4860-77-0x00000241C6370000-0x00000241C6380000-memory.dmp

        Filesize

        64KB

      • memory/4860-81-0x00000241C62C0000-0x00000241C62D0000-memory.dmp

        Filesize

        64KB

      • memory/4860-80-0x00000241C62A0000-0x00000241C62B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-83-0x00000241C6390000-0x00000241C63A0000-memory.dmp

        Filesize

        64KB

      • memory/4860-82-0x00000241C62D0000-0x00000241C62E0000-memory.dmp

        Filesize

        64KB

      • memory/4860-87-0x00000241C63A0000-0x00000241C63B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-86-0x00000241C62B0000-0x00000241C62C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-91-0x00000241C62E0000-0x00000241C62F0000-memory.dmp

        Filesize

        64KB

      • memory/4860-93-0x00000241C63B0000-0x00000241C63C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-96-0x00000241C62F0000-0x00000241C6300000-memory.dmp

        Filesize

        64KB

      • memory/4860-101-0x00000241C63E0000-0x00000241C63F0000-memory.dmp

        Filesize

        64KB

      • memory/4860-100-0x00000241C6300000-0x00000241C6310000-memory.dmp

        Filesize

        64KB

      • memory/4860-99-0x00000241C63D0000-0x00000241C63E0000-memory.dmp

        Filesize

        64KB

      • memory/4860-23-0x00000241C6250000-0x00000241C6260000-memory.dmp

        Filesize

        64KB

      • memory/4860-103-0x00000241C6310000-0x00000241C6320000-memory.dmp

        Filesize

        64KB

      • memory/4860-105-0x00000241C63F0000-0x00000241C6400000-memory.dmp

        Filesize

        64KB

      • memory/4860-109-0x00000241C6400000-0x00000241C6410000-memory.dmp

        Filesize

        64KB

      • memory/4860-113-0x00000241C6340000-0x00000241C6350000-memory.dmp

        Filesize

        64KB

      • memory/4860-112-0x00000241C6420000-0x00000241C6430000-memory.dmp

        Filesize

        64KB

      • memory/4860-27-0x00000241C6270000-0x00000241C6280000-memory.dmp

        Filesize

        64KB

      • memory/4860-111-0x00000241C6330000-0x00000241C6340000-memory.dmp

        Filesize

        64KB

      • memory/4860-186-0x00000241C6280000-0x00000241C6290000-memory.dmp

        Filesize

        64KB

      • memory/4860-116-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-120-0x00000241C6430000-0x00000241C6440000-memory.dmp

        Filesize

        64KB

      • memory/4860-119-0x00000241C6360000-0x00000241C6370000-memory.dmp

        Filesize

        64KB

      • memory/4860-118-0x00000241C6350000-0x00000241C6360000-memory.dmp

        Filesize

        64KB

      • memory/4860-124-0x00000241C6380000-0x00000241C6390000-memory.dmp

        Filesize

        64KB

      • memory/4860-125-0x00000241C6440000-0x00000241C6450000-memory.dmp

        Filesize

        64KB

      • memory/4860-123-0x00000241C6370000-0x00000241C6380000-memory.dmp

        Filesize

        64KB

      • memory/4860-126-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-129-0x00000241C6390000-0x00000241C63A0000-memory.dmp

        Filesize

        64KB

      • memory/4860-130-0x00000241C6450000-0x00000241C6460000-memory.dmp

        Filesize

        64KB

      • memory/4860-132-0x00000241C63A0000-0x00000241C63B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-133-0x00000241C6460000-0x00000241C6470000-memory.dmp

        Filesize

        64KB

      • memory/4860-136-0x00000241C63D0000-0x00000241C63E0000-memory.dmp

        Filesize

        64KB

      • memory/4860-137-0x00000241C6470000-0x00000241C6480000-memory.dmp

        Filesize

        64KB

      • memory/4860-135-0x00000241C63B0000-0x00000241C63C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-139-0x00000241C63C0000-0x00000241C63D0000-memory.dmp

        Filesize

        64KB

      • memory/4860-140-0x00000241C6480000-0x00000241C6490000-memory.dmp

        Filesize

        64KB

      • memory/4860-142-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-144-0x00000241C63E0000-0x00000241C63F0000-memory.dmp

        Filesize

        64KB

      • memory/4860-146-0x00000241C64A0000-0x00000241C64B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-145-0x00000241C6490000-0x00000241C64A0000-memory.dmp

        Filesize

        64KB

      • memory/4860-149-0x00000241C63F0000-0x00000241C6400000-memory.dmp

        Filesize

        64KB

      • memory/4860-150-0x00000241C64B0000-0x00000241C64C0000-memory.dmp

        Filesize

        64KB

      • memory/4860-152-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-156-0x00000241C6400000-0x00000241C6410000-memory.dmp

        Filesize

        64KB

      • memory/4860-157-0x00000241C6410000-0x00000241C6420000-memory.dmp

        Filesize

        64KB

      • memory/4860-158-0x00000241C64C0000-0x00000241C64D0000-memory.dmp

        Filesize

        64KB

      • memory/4860-162-0x00000241C6420000-0x00000241C6430000-memory.dmp

        Filesize

        64KB

      • memory/4860-163-0x00000241C64D0000-0x00000241C64E0000-memory.dmp

        Filesize

        64KB

      • memory/4860-167-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-171-0x00000241C6430000-0x00000241C6440000-memory.dmp

        Filesize

        64KB

      • memory/4860-175-0x00000241C64E0000-0x00000241C64F0000-memory.dmp

        Filesize

        64KB

      • memory/4860-174-0x00000241C6440000-0x00000241C6450000-memory.dmp

        Filesize

        64KB

      • memory/4860-110-0x00000241C6410000-0x00000241C6420000-memory.dmp

        Filesize

        64KB

      • memory/4860-108-0x00000241C6320000-0x00000241C6330000-memory.dmp

        Filesize

        64KB

      • memory/4860-185-0x00000241C62A0000-0x00000241C62B0000-memory.dmp

        Filesize

        64KB

      • memory/4860-184-0x00000241C6260000-0x00000241C6270000-memory.dmp

        Filesize

        64KB

      • memory/4860-183-0x00000241C6250000-0x00000241C6260000-memory.dmp

        Filesize

        64KB

      • memory/4860-182-0x00000241C6240000-0x00000241C6250000-memory.dmp

        Filesize

        64KB

      • memory/4860-22-0x00000241C6240000-0x00000241C6250000-memory.dmp

        Filesize

        64KB

      • memory/4860-19-0x00000241C6230000-0x00000241C6240000-memory.dmp

        Filesize

        64KB

      • memory/4860-17-0x00000241C6220000-0x00000241C6230000-memory.dmp

        Filesize

        64KB

      • memory/4860-15-0x00000241C6210000-0x00000241C6220000-memory.dmp

        Filesize

        64KB

      • memory/4860-13-0x00000241C6200000-0x00000241C6210000-memory.dmp

        Filesize

        64KB

      • memory/4860-11-0x00000241C5F70000-0x00000241C5F71000-memory.dmp

        Filesize

        4KB

      • memory/4860-2-0x00000241C5F90000-0x00000241C6200000-memory.dmp

        Filesize

        2.4MB

      • memory/4860-181-0x00000241C6230000-0x00000241C6240000-memory.dmp

        Filesize

        64KB

      • memory/4860-180-0x00000241C6220000-0x00000241C6230000-memory.dmp

        Filesize

        64KB

      • memory/4860-179-0x00000241C6210000-0x00000241C6220000-memory.dmp

        Filesize

        64KB

      • memory/4860-178-0x00000241C6200000-0x00000241C6210000-memory.dmp

        Filesize

        64KB