Analysis

  • max time kernel
    299s
  • max time network
    301s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 09:20

General

  • Target

    20122024_0920_19122024_MBF-667548.jar

  • Size

    202KB

  • MD5

    343aff03f4582c780ce776fd6a794aa9

  • SHA1

    0901376c44403e0c4c15955628831fdb38e071e4

  • SHA256

    b7e88ae109f765c4456e0e3239e5b565908caf87c9cae4fb54d48921e8645766

  • SHA512

    64650c28c23d23b8549f783303d87284adcc7ffc038a93a3ac2856b48adc6e003e320565526978f52ba3fad4c75fb6ab8a76281f28df6616ece83757842ac04b

  • SSDEEP

    6144:4epoWhEq3+wIZZo4JKNqgbV6uDUFe7N7P:Kvq5IZZ7Cq7Pej

Malware Config

Extracted

Family

strrat

C2

157.230.51.65:9088

127.0.0.1:0

Attributes
  • license_id

    MURM-QLUY-XVDU-NZ0K-0AAB

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Strrat family
  • 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\20122024_0920_19122024_MBF-667548.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\20122024_0920_19122024_MBF-667548.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20122024_0920_19122024_MBF-667548.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4976
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20122024_0920_19122024_MBF-667548.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:924
      • 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\20122024_0920_19122024_MBF-667548.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4704
        • 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:1624
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3732
        • 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:4956
          • 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:2300
        • 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:2248
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1604
          • 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:3364
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:216

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        4afc39c69385f74a18aeec5365f67ccf

        SHA1

        e9f6365b3f23ed97469c687e13b0b6b7d9abe094

        SHA256

        faaf17836753a44f4421f494e69b06be46851ccb88ed93a97170598fbd3cd8d9

        SHA512

        750ec4e428ae0a47b6d6cc59676a6f4502e71d646b3ebff01bb29f498056d5ac67e8376220eddf2f703d353f12bc847951bb42845e27b9642d7f21110b86c632

      • C:\Users\Admin\20122024_0920_19122024_MBF-667548.jar

        Filesize

        202KB

        MD5

        343aff03f4582c780ce776fd6a794aa9

        SHA1

        0901376c44403e0c4c15955628831fdb38e071e4

        SHA256

        b7e88ae109f765c4456e0e3239e5b565908caf87c9cae4fb54d48921e8645766

        SHA512

        64650c28c23d23b8549f783303d87284adcc7ffc038a93a3ac2856b48adc6e003e320565526978f52ba3fad4c75fb6ab8a76281f28df6616ece83757842ac04b

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1027132055589327061.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4089630652-1596403869-279772308-1000\83aa4cc77f591dfc2374580bbd95f6ba_dc5cddf5-9e4b-4c89-ba53-89649a7a5ee7

        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/4568-173-0x00000172C9DA0000-0x00000172CA010000-memory.dmp

        Filesize

        2.4MB

      • memory/4568-214-0x00000172C9D80000-0x00000172C9D81000-memory.dmp

        Filesize

        4KB

      • memory/4688-113-0x000002E3D03E0000-0x000002E3D03F0000-memory.dmp

        Filesize

        64KB

      • memory/4688-43-0x000002E3D0200000-0x000002E3D0210000-memory.dmp

        Filesize

        64KB

      • memory/4688-40-0x000002E3D02A0000-0x000002E3D02B0000-memory.dmp

        Filesize

        64KB

      • memory/4688-39-0x000002E3D01F0000-0x000002E3D0200000-memory.dmp

        Filesize

        64KB

      • memory/4688-46-0x000002E3D0210000-0x000002E3D0220000-memory.dmp

        Filesize

        64KB

      • memory/4688-123-0x000002E3CFF60000-0x000002E3CFF61000-memory.dmp

        Filesize

        4KB

      • memory/4688-44-0x000002E3D02B0000-0x000002E3D02C0000-memory.dmp

        Filesize

        64KB

      • memory/4688-118-0x000002E3D0350000-0x000002E3D0360000-memory.dmp

        Filesize

        64KB

      • memory/4688-53-0x000002E3D0230000-0x000002E3D0240000-memory.dmp

        Filesize

        64KB

      • memory/4688-52-0x000002E3CFF60000-0x000002E3CFF61000-memory.dmp

        Filesize

        4KB

      • memory/4688-51-0x000002E3D02E0000-0x000002E3D02F0000-memory.dmp

        Filesize

        64KB

      • memory/4688-50-0x000002E3D02D0000-0x000002E3D02E0000-memory.dmp

        Filesize

        64KB

      • memory/4688-49-0x000002E3D0220000-0x000002E3D0230000-memory.dmp

        Filesize

        64KB

      • memory/4688-57-0x000002E3D02F0000-0x000002E3D0300000-memory.dmp

        Filesize

        64KB

      • memory/4688-56-0x000002E3D0240000-0x000002E3D0250000-memory.dmp

        Filesize

        64KB

      • memory/4688-60-0x000002E3D0250000-0x000002E3D0260000-memory.dmp

        Filesize

        64KB

      • memory/4688-61-0x000002E3D0300000-0x000002E3D0310000-memory.dmp

        Filesize

        64KB

      • memory/4688-68-0x000002E3D0310000-0x000002E3D0320000-memory.dmp

        Filesize

        64KB

      • memory/4688-67-0x000002E3D0270000-0x000002E3D0280000-memory.dmp

        Filesize

        64KB

      • memory/4688-66-0x000002E3D0260000-0x000002E3D0270000-memory.dmp

        Filesize

        64KB

      • memory/4688-74-0x000002E3D0290000-0x000002E3D02A0000-memory.dmp

        Filesize

        64KB

      • memory/4688-73-0x000002E3D0330000-0x000002E3D0340000-memory.dmp

        Filesize

        64KB

      • memory/4688-72-0x000002E3D0320000-0x000002E3D0330000-memory.dmp

        Filesize

        64KB

      • memory/4688-71-0x000002E3D0280000-0x000002E3D0290000-memory.dmp

        Filesize

        64KB

      • memory/4688-86-0x000002E3D0360000-0x000002E3D0370000-memory.dmp

        Filesize

        64KB

      • memory/4688-89-0x000002E3D02E0000-0x000002E3D02F0000-memory.dmp

        Filesize

        64KB

      • memory/4688-88-0x000002E3D02D0000-0x000002E3D02E0000-memory.dmp

        Filesize

        64KB

      • memory/4688-87-0x000002E3D0380000-0x000002E3D0390000-memory.dmp

        Filesize

        64KB

      • memory/4688-85-0x000002E3D0370000-0x000002E3D0380000-memory.dmp

        Filesize

        64KB

      • memory/4688-84-0x000002E3D0350000-0x000002E3D0360000-memory.dmp

        Filesize

        64KB

      • memory/4688-83-0x000002E3D02C0000-0x000002E3D02D0000-memory.dmp

        Filesize

        64KB

      • memory/4688-77-0x000002E3D02A0000-0x000002E3D02B0000-memory.dmp

        Filesize

        64KB

      • memory/4688-80-0x000002E3D02B0000-0x000002E3D02C0000-memory.dmp

        Filesize

        64KB

      • memory/4688-79-0x000002E3D0340000-0x000002E3D0350000-memory.dmp

        Filesize

        64KB

      • memory/4688-95-0x000002E3CFF60000-0x000002E3CFF61000-memory.dmp

        Filesize

        4KB

      • memory/4688-96-0x000002E3D0390000-0x000002E3D03A0000-memory.dmp

        Filesize

        64KB

      • memory/4688-99-0x000002E3D03A0000-0x000002E3D03B0000-memory.dmp

        Filesize

        64KB

      • memory/4688-98-0x000002E3D02F0000-0x000002E3D0300000-memory.dmp

        Filesize

        64KB

      • memory/4688-102-0x000002E3D03B0000-0x000002E3D03C0000-memory.dmp

        Filesize

        64KB

      • memory/4688-101-0x000002E3D0300000-0x000002E3D0310000-memory.dmp

        Filesize

        64KB

      • memory/4688-106-0x000002E3D03C0000-0x000002E3D03D0000-memory.dmp

        Filesize

        64KB

      • memory/4688-105-0x000002E3D0310000-0x000002E3D0320000-memory.dmp

        Filesize

        64KB

      • memory/4688-108-0x000002E3D0320000-0x000002E3D0330000-memory.dmp

        Filesize

        64KB

      • memory/4688-110-0x000002E3D03D0000-0x000002E3D03E0000-memory.dmp

        Filesize

        64KB

      • memory/4688-109-0x000002E3D0330000-0x000002E3D0340000-memory.dmp

        Filesize

        64KB

      • memory/4688-2-0x000002E3CFF80000-0x000002E3D01F0000-memory.dmp

        Filesize

        2.4MB

      • memory/4688-112-0x000002E3D0340000-0x000002E3D0350000-memory.dmp

        Filesize

        64KB

      • memory/4688-116-0x000002E3D03F0000-0x000002E3D0400000-memory.dmp

        Filesize

        64KB

      • memory/4688-121-0x000002E3D0400000-0x000002E3D0410000-memory.dmp

        Filesize

        64KB

      • memory/4688-120-0x000002E3D0360000-0x000002E3D0370000-memory.dmp

        Filesize

        64KB

      • memory/4688-16-0x000002E3D0210000-0x000002E3D0220000-memory.dmp

        Filesize

        64KB

      • memory/4688-37-0x000002E3CFF80000-0x000002E3D01F0000-memory.dmp

        Filesize

        2.4MB

      • memory/4688-45-0x000002E3D02C0000-0x000002E3D02D0000-memory.dmp

        Filesize

        64KB

      • memory/4688-127-0x000002E3D0410000-0x000002E3D0420000-memory.dmp

        Filesize

        64KB

      • memory/4688-129-0x000002E3D0380000-0x000002E3D0390000-memory.dmp

        Filesize

        64KB

      • memory/4688-130-0x000002E3D0420000-0x000002E3D0430000-memory.dmp

        Filesize

        64KB

      • memory/4688-133-0x000002E3CFF60000-0x000002E3CFF61000-memory.dmp

        Filesize

        4KB

      • memory/4688-134-0x000002E3D0390000-0x000002E3D03A0000-memory.dmp

        Filesize

        64KB

      • memory/4688-140-0x000002E3D03A0000-0x000002E3D03B0000-memory.dmp

        Filesize

        64KB

      • memory/4688-141-0x000002E3D03B0000-0x000002E3D03C0000-memory.dmp

        Filesize

        64KB

      • memory/4688-144-0x000002E3CFF60000-0x000002E3CFF61000-memory.dmp

        Filesize

        4KB

      • memory/4688-145-0x000002E3CFF80000-0x000002E3D01F0000-memory.dmp

        Filesize

        2.4MB

      • memory/4688-149-0x000002E3D0220000-0x000002E3D0230000-memory.dmp

        Filesize

        64KB

      • memory/4688-169-0x000002E3D03E0000-0x000002E3D03F0000-memory.dmp

        Filesize

        64KB

      • memory/4688-168-0x000002E3D03D0000-0x000002E3D03E0000-memory.dmp

        Filesize

        64KB

      • memory/4688-171-0x000002E3D03F0000-0x000002E3D0400000-memory.dmp

        Filesize

        64KB

      • memory/4688-34-0x000002E3D0270000-0x000002E3D0280000-memory.dmp

        Filesize

        64KB

      • memory/4688-35-0x000002E3D0280000-0x000002E3D0290000-memory.dmp

        Filesize

        64KB

      • memory/4688-184-0x000002E3D0420000-0x000002E3D0430000-memory.dmp

        Filesize

        64KB

      • memory/4688-183-0x000002E3D0410000-0x000002E3D0420000-memory.dmp

        Filesize

        64KB

      • memory/4688-182-0x000002E3D0400000-0x000002E3D0410000-memory.dmp

        Filesize

        64KB

      • memory/4688-167-0x000002E3D03C0000-0x000002E3D03D0000-memory.dmp

        Filesize

        64KB

      • memory/4688-166-0x000002E3D02C0000-0x000002E3D02D0000-memory.dmp

        Filesize

        64KB

      • memory/4688-165-0x000002E3D0340000-0x000002E3D0350000-memory.dmp

        Filesize

        64KB

      • memory/4688-38-0x000002E3D0290000-0x000002E3D02A0000-memory.dmp

        Filesize

        64KB

      • memory/4688-163-0x000002E3D0310000-0x000002E3D0320000-memory.dmp

        Filesize

        64KB

      • memory/4688-162-0x000002E3D0300000-0x000002E3D0310000-memory.dmp

        Filesize

        64KB

      • memory/4688-161-0x000002E3D02F0000-0x000002E3D0300000-memory.dmp

        Filesize

        64KB

      • memory/4688-160-0x000002E3D02E0000-0x000002E3D02F0000-memory.dmp

        Filesize

        64KB

      • memory/4688-159-0x000002E3D02D0000-0x000002E3D02E0000-memory.dmp

        Filesize

        64KB

      • memory/4688-158-0x000002E3D02B0000-0x000002E3D02C0000-memory.dmp

        Filesize

        64KB

      • memory/4688-157-0x000002E3D02A0000-0x000002E3D02B0000-memory.dmp

        Filesize

        64KB

      • memory/4688-156-0x000002E3D0270000-0x000002E3D0280000-memory.dmp

        Filesize

        64KB

      • memory/4688-155-0x000002E3D0280000-0x000002E3D0290000-memory.dmp

        Filesize

        64KB

      • memory/4688-154-0x000002E3D0290000-0x000002E3D02A0000-memory.dmp

        Filesize

        64KB

      • memory/4688-153-0x000002E3D0260000-0x000002E3D0270000-memory.dmp

        Filesize

        64KB

      • memory/4688-152-0x000002E3D0250000-0x000002E3D0260000-memory.dmp

        Filesize

        64KB

      • memory/4688-151-0x000002E3D0240000-0x000002E3D0250000-memory.dmp

        Filesize

        64KB

      • memory/4688-150-0x000002E3D0230000-0x000002E3D0240000-memory.dmp

        Filesize

        64KB

      • memory/4688-148-0x000002E3D0210000-0x000002E3D0220000-memory.dmp

        Filesize

        64KB

      • memory/4688-147-0x000002E3D0200000-0x000002E3D0210000-memory.dmp

        Filesize

        64KB

      • memory/4688-146-0x000002E3D01F0000-0x000002E3D0200000-memory.dmp

        Filesize

        64KB

      • memory/4688-31-0x000002E3D0260000-0x000002E3D0270000-memory.dmp

        Filesize

        64KB

      • memory/4688-25-0x000002E3D0250000-0x000002E3D0260000-memory.dmp

        Filesize

        64KB

      • memory/4688-23-0x000002E3D0240000-0x000002E3D0250000-memory.dmp

        Filesize

        64KB

      • memory/4688-20-0x000002E3D0230000-0x000002E3D0240000-memory.dmp

        Filesize

        64KB

      • memory/4688-18-0x000002E3D0220000-0x000002E3D0230000-memory.dmp

        Filesize

        64KB

      • memory/4688-119-0x000002E3D0370000-0x000002E3D0380000-memory.dmp

        Filesize

        64KB

      • memory/4688-14-0x000002E3D0200000-0x000002E3D0210000-memory.dmp

        Filesize

        64KB

      • memory/4688-12-0x000002E3D01F0000-0x000002E3D0200000-memory.dmp

        Filesize

        64KB

      • memory/4704-256-0x00000123436A0000-0x00000123436A1000-memory.dmp

        Filesize

        4KB

      • memory/4704-263-0x00000123436A0000-0x00000123436A1000-memory.dmp

        Filesize

        4KB

      • memory/4704-265-0x00000123436A0000-0x00000123436A1000-memory.dmp

        Filesize

        4KB