Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 11:30

General

  • Target

    1C24TNS_00002260.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\1C24TNS_00002260.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\1C24TNS_00002260.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1C24TNS_00002260.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\1C24TNS_00002260.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4948
      • 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\1C24TNS_00002260.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2948
        • 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:3588
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4504
        • 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:4524
          • 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:4336
        • 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:244
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:992
          • 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:212
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:3892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\1C24TNS_00002260.jar

        Filesize

        400KB

        MD5

        f6b06af9e65718cfa313431a653f4663

        SHA1

        b4ee8f08a515201ad692c2252f8259611ae245a3

        SHA256

        42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f

        SHA512

        989f546273b1ed0beabb85de886c0edf24f95f605a1c33c0457e900af4f86100b27398dc94a2fdc5b99c5075755d13a75e3535c6912350efaaf6d1077ce21a63

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7640252497245481025.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-945322488-2060912225-3527527000-1000\83aa4cc77f591dfc2374580bbd95f6ba_03d68389-5a68-4d9e-92ac-47b927e624dd

        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/400-106-0x0000024923060000-0x0000024923070000-memory.dmp

        Filesize

        64KB

      • memory/400-185-0x00000249231E0000-0x00000249231F0000-memory.dmp

        Filesize

        64KB

      • memory/400-18-0x0000024922F40000-0x0000024922F50000-memory.dmp

        Filesize

        64KB

      • memory/400-21-0x0000024922F60000-0x0000024922F70000-memory.dmp

        Filesize

        64KB

      • memory/400-23-0x0000024922F70000-0x0000024922F80000-memory.dmp

        Filesize

        64KB

      • memory/400-26-0x0000024922F80000-0x0000024922F90000-memory.dmp

        Filesize

        64KB

      • memory/400-29-0x0000024922FA0000-0x0000024922FB0000-memory.dmp

        Filesize

        64KB

      • memory/400-28-0x0000024922F90000-0x0000024922FA0000-memory.dmp

        Filesize

        64KB

      • memory/400-116-0x0000024923130000-0x0000024923140000-memory.dmp

        Filesize

        64KB

      • memory/400-37-0x0000024922F20000-0x0000024922F30000-memory.dmp

        Filesize

        64KB

      • memory/400-42-0x0000024922FF0000-0x0000024923000000-memory.dmp

        Filesize

        64KB

      • memory/400-44-0x0000024922F50000-0x0000024922F60000-memory.dmp

        Filesize

        64KB

      • memory/400-43-0x0000024922F40000-0x0000024922F50000-memory.dmp

        Filesize

        64KB

      • memory/400-41-0x0000024922FE0000-0x0000024922FF0000-memory.dmp

        Filesize

        64KB

      • memory/400-40-0x0000024922F30000-0x0000024922F40000-memory.dmp

        Filesize

        64KB

      • memory/400-36-0x0000024922FD0000-0x0000024922FE0000-memory.dmp

        Filesize

        64KB

      • memory/400-35-0x0000024922FC0000-0x0000024922FD0000-memory.dmp

        Filesize

        64KB

      • memory/400-34-0x0000024922FB0000-0x0000024922FC0000-memory.dmp

        Filesize

        64KB

      • memory/400-46-0x0000024923000000-0x0000024923010000-memory.dmp

        Filesize

        64KB

      • memory/400-53-0x0000024923010000-0x0000024923020000-memory.dmp

        Filesize

        64KB

      • memory/400-52-0x0000024922F60000-0x0000024922F70000-memory.dmp

        Filesize

        64KB

      • memory/400-58-0x0000024923020000-0x0000024923030000-memory.dmp

        Filesize

        64KB

      • memory/400-60-0x0000024922F80000-0x0000024922F90000-memory.dmp

        Filesize

        64KB

      • memory/400-59-0x0000024923030000-0x0000024923040000-memory.dmp

        Filesize

        64KB

      • memory/400-57-0x0000024922F70000-0x0000024922F80000-memory.dmp

        Filesize

        64KB

      • memory/400-66-0x0000024923050000-0x0000024923060000-memory.dmp

        Filesize

        64KB

      • memory/400-65-0x0000024923040000-0x0000024923050000-memory.dmp

        Filesize

        64KB

      • memory/400-64-0x0000024922FA0000-0x0000024922FB0000-memory.dmp

        Filesize

        64KB

      • memory/400-63-0x0000024922F90000-0x0000024922FA0000-memory.dmp

        Filesize

        64KB

      • memory/400-62-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-68-0x0000024922FB0000-0x0000024922FC0000-memory.dmp

        Filesize

        64KB

      • memory/400-71-0x0000024923060000-0x0000024923070000-memory.dmp

        Filesize

        64KB

      • memory/400-70-0x0000024922FC0000-0x0000024922FD0000-memory.dmp

        Filesize

        64KB

      • memory/400-72-0x0000024922FD0000-0x0000024922FE0000-memory.dmp

        Filesize

        64KB

      • memory/400-73-0x0000024923070000-0x0000024923080000-memory.dmp

        Filesize

        64KB

      • memory/400-76-0x0000024922FE0000-0x0000024922FF0000-memory.dmp

        Filesize

        64KB

      • memory/400-79-0x0000024923090000-0x00000249230A0000-memory.dmp

        Filesize

        64KB

      • memory/400-78-0x0000024923080000-0x0000024923090000-memory.dmp

        Filesize

        64KB

      • memory/400-77-0x0000024922FF0000-0x0000024923000000-memory.dmp

        Filesize

        64KB

      • memory/400-83-0x00000249230A0000-0x00000249230B0000-memory.dmp

        Filesize

        64KB

      • memory/400-82-0x0000024923000000-0x0000024923010000-memory.dmp

        Filesize

        64KB

      • memory/400-88-0x00000249230B0000-0x00000249230C0000-memory.dmp

        Filesize

        64KB

      • memory/400-87-0x0000024923010000-0x0000024923020000-memory.dmp

        Filesize

        64KB

      • memory/400-92-0x00000249230D0000-0x00000249230E0000-memory.dmp

        Filesize

        64KB

      • memory/400-90-0x0000024923020000-0x0000024923030000-memory.dmp

        Filesize

        64KB

      • memory/400-91-0x0000024923030000-0x0000024923040000-memory.dmp

        Filesize

        64KB

      • memory/400-93-0x00000249230C0000-0x00000249230D0000-memory.dmp

        Filesize

        64KB

      • memory/400-94-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-98-0x0000024923050000-0x0000024923060000-memory.dmp

        Filesize

        64KB

      • memory/400-99-0x00000249230E0000-0x00000249230F0000-memory.dmp

        Filesize

        64KB

      • memory/400-97-0x0000024923040000-0x0000024923050000-memory.dmp

        Filesize

        64KB

      • memory/400-102-0x00000249230F0000-0x0000024923100000-memory.dmp

        Filesize

        64KB

      • memory/400-15-0x0000024922F30000-0x0000024922F40000-memory.dmp

        Filesize

        64KB

      • memory/400-111-0x0000024923070000-0x0000024923080000-memory.dmp

        Filesize

        64KB

      • memory/400-143-0x00000249231B0000-0x00000249231C0000-memory.dmp

        Filesize

        64KB

      • memory/400-19-0x0000024922F50000-0x0000024922F60000-memory.dmp

        Filesize

        64KB

      • memory/400-33-0x0000024922CB0000-0x0000024922F20000-memory.dmp

        Filesize

        2.4MB

      • memory/400-115-0x0000024923090000-0x00000249230A0000-memory.dmp

        Filesize

        64KB

      • memory/400-122-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-114-0x0000024923080000-0x0000024923090000-memory.dmp

        Filesize

        64KB

      • memory/400-110-0x0000024923120000-0x0000024923130000-memory.dmp

        Filesize

        64KB

      • memory/400-108-0x0000024923110000-0x0000024923120000-memory.dmp

        Filesize

        64KB

      • memory/400-107-0x0000024923100000-0x0000024923110000-memory.dmp

        Filesize

        64KB

      • memory/400-125-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-128-0x0000024923160000-0x0000024923170000-memory.dmp

        Filesize

        64KB

      • memory/400-127-0x00000249230A0000-0x00000249230B0000-memory.dmp

        Filesize

        64KB

      • memory/400-130-0x0000024923170000-0x0000024923180000-memory.dmp

        Filesize

        64KB

      • memory/400-129-0x00000249230B0000-0x00000249230C0000-memory.dmp

        Filesize

        64KB

      • memory/400-133-0x0000024923180000-0x0000024923190000-memory.dmp

        Filesize

        64KB

      • memory/400-132-0x00000249230D0000-0x00000249230E0000-memory.dmp

        Filesize

        64KB

      • memory/400-135-0x00000249230C0000-0x00000249230D0000-memory.dmp

        Filesize

        64KB

      • memory/400-136-0x0000024923190000-0x00000249231A0000-memory.dmp

        Filesize

        64KB

      • memory/400-139-0x00000249231A0000-0x00000249231B0000-memory.dmp

        Filesize

        64KB

      • memory/400-138-0x00000249230E0000-0x00000249230F0000-memory.dmp

        Filesize

        64KB

      • memory/400-118-0x0000024923150000-0x0000024923160000-memory.dmp

        Filesize

        64KB

      • memory/400-142-0x00000249230F0000-0x0000024923100000-memory.dmp

        Filesize

        64KB

      • memory/400-147-0x00000249231C0000-0x00000249231D0000-memory.dmp

        Filesize

        64KB

      • memory/400-146-0x0000024923120000-0x0000024923130000-memory.dmp

        Filesize

        64KB

      • memory/400-145-0x0000024923110000-0x0000024923120000-memory.dmp

        Filesize

        64KB

      • memory/400-144-0x0000024923100000-0x0000024923110000-memory.dmp

        Filesize

        64KB

      • memory/400-150-0x00000249231D0000-0x00000249231E0000-memory.dmp

        Filesize

        64KB

      • memory/400-152-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-153-0x0000024923130000-0x0000024923140000-memory.dmp

        Filesize

        64KB

      • memory/400-154-0x0000024923140000-0x0000024923150000-memory.dmp

        Filesize

        64KB

      • memory/400-156-0x00000249231E0000-0x00000249231F0000-memory.dmp

        Filesize

        64KB

      • memory/400-155-0x0000024923150000-0x0000024923160000-memory.dmp

        Filesize

        64KB

      • memory/400-158-0x00000249231F0000-0x0000024923200000-memory.dmp

        Filesize

        64KB

      • memory/400-160-0x0000024923160000-0x0000024923170000-memory.dmp

        Filesize

        64KB

      • memory/400-161-0x0000024923200000-0x0000024923210000-memory.dmp

        Filesize

        64KB

      • memory/400-162-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-164-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-169-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-170-0x0000024923170000-0x0000024923180000-memory.dmp

        Filesize

        64KB

      • memory/400-173-0x0000024923180000-0x0000024923190000-memory.dmp

        Filesize

        64KB

      • memory/400-175-0x0000024923190000-0x00000249231A0000-memory.dmp

        Filesize

        64KB

      • memory/400-176-0x00000249231A0000-0x00000249231B0000-memory.dmp

        Filesize

        64KB

      • memory/400-177-0x00000249231B0000-0x00000249231C0000-memory.dmp

        Filesize

        64KB

      • memory/400-178-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-181-0x00000249231C0000-0x00000249231D0000-memory.dmp

        Filesize

        64KB

      • memory/400-13-0x0000024922F20000-0x0000024922F30000-memory.dmp

        Filesize

        64KB

      • memory/400-182-0x00000249231D0000-0x00000249231E0000-memory.dmp

        Filesize

        64KB

      • memory/400-186-0x0000024923210000-0x0000024923220000-memory.dmp

        Filesize

        64KB

      • memory/400-117-0x0000024923140000-0x0000024923150000-memory.dmp

        Filesize

        64KB

      • memory/400-189-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/400-190-0x0000024922FD0000-0x0000024922FE0000-memory.dmp

        Filesize

        64KB

      • memory/400-2-0x0000024922CB0000-0x0000024922F20000-memory.dmp

        Filesize

        2.4MB

      • memory/400-11-0x00000249213D0000-0x00000249213D1000-memory.dmp

        Filesize

        4KB

      • memory/1600-250-0x000002195FB80000-0x000002195FB81000-memory.dmp

        Filesize

        4KB

      • memory/2948-373-0x0000027704820000-0x0000027704821000-memory.dmp

        Filesize

        4KB

      • memory/2948-394-0x0000027704820000-0x0000027704821000-memory.dmp

        Filesize

        4KB

      • memory/2948-395-0x0000027704820000-0x0000027704821000-memory.dmp

        Filesize

        4KB

      • memory/2948-399-0x0000027704820000-0x0000027704821000-memory.dmp

        Filesize

        4KB