Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 02:03

General

  • Target

    e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar

  • Size

    171KB

  • MD5

    09ec32ed78593f4771eb485d97ef14eb

  • SHA1

    fccc0ccfd0872a9e38411a6cfb1d614ad442592e

  • SHA256

    e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f

  • SHA512

    e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695

  • SSDEEP

    3072:yqfHZmyFAZhheBlFzzGY6zZSHj9WTs4B9S93KJ3F08M1syWu:yiyeNSY6zZk5FY6KJ9u

Malware Config

Extracted

Family

strrat

C2

axe.ydns.eu:3232

jnchinacp.ydns.eu:147

Attributes
  • license_id

    JXYU-7CPT-BJRM-66GN-22SV

  • 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.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 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.

  • Creates scheduled task(s) 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 26 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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:816
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3744
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"
          4⤵
          • Creates scheduled task(s)
          PID:4596
      • 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\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1464
        • 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:2872
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2508
        • 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:3536
          • 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:1036
        • 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:3620
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4924
          • 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:3716
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1324

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        d4bc6e18f910e7616b4dc0ea1eb7d29a

        SHA1

        bca5dd158c978457eb8c0c0af99c6223b28c248c

        SHA256

        54ee94379f15697d45ccddcf7b2abca1557fe22934327596c4a7d4746205ff67

        SHA512

        d384879a74d1f8e78488be562441e7b5a47e200de6f52dcc5de8944c5bc549941455171e791fe953edd44bd49615f11e06e113e86c619fb655d42109a7ecab19

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna713375555921155431.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f.jar

        Filesize

        171KB

        MD5

        09ec32ed78593f4771eb485d97ef14eb

        SHA1

        fccc0ccfd0872a9e38411a6cfb1d614ad442592e

        SHA256

        e6f93fbf80cf48ca944fd053685061a3c512dcf83952fd440a0f882ebab76e9f

        SHA512

        e14cf2f8ed7f569a4fed85ed7e2058ff681a42ba9c0321b459e93218ea2fda90e22e8ff743f9ce18a33b4ef70eb4b8b6a556ec74330ee418376dd3066c11d695

      • 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/1464-271-0x00000280E0340000-0x00000280E0341000-memory.dmp

        Filesize

        4KB

      • memory/1464-264-0x00000280E0340000-0x00000280E0341000-memory.dmp

        Filesize

        4KB

      • memory/3744-211-0x0000028BDA550000-0x0000028BDA551000-memory.dmp

        Filesize

        4KB

      • memory/4732-105-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-51-0x00000145D4E10000-0x00000145D4E20000-memory.dmp

        Filesize

        64KB

      • memory/4732-33-0x00000145D4E90000-0x00000145D4EA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-40-0x00000145D4EC0000-0x00000145D4ED0000-memory.dmp

        Filesize

        64KB

      • memory/4732-114-0x00000145D4F30000-0x00000145D4F40000-memory.dmp

        Filesize

        64KB

      • memory/4732-38-0x00000145D4EA0000-0x00000145D4EB0000-memory.dmp

        Filesize

        64KB

      • memory/4732-36-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-42-0x00000145D4ED0000-0x00000145D4EE0000-memory.dmp

        Filesize

        64KB

      • memory/4732-53-0x00000145D4F10000-0x00000145D4F20000-memory.dmp

        Filesize

        64KB

      • memory/4732-52-0x00000145D4E20000-0x00000145D4E30000-memory.dmp

        Filesize

        64KB

      • memory/4732-55-0x00000145D4F20000-0x00000145D4F30000-memory.dmp

        Filesize

        64KB

      • memory/4732-115-0x00000145D5020000-0x00000145D5030000-memory.dmp

        Filesize

        64KB

      • memory/4732-50-0x00000145D4EF0000-0x00000145D4F00000-memory.dmp

        Filesize

        64KB

      • memory/4732-49-0x00000145D4F00000-0x00000145D4F10000-memory.dmp

        Filesize

        64KB

      • memory/4732-48-0x00000145D4EE0000-0x00000145D4EF0000-memory.dmp

        Filesize

        64KB

      • memory/4732-47-0x00000145D4BA0000-0x00000145D4E10000-memory.dmp

        Filesize

        2.4MB

      • memory/4732-60-0x00000145D4F30000-0x00000145D4F40000-memory.dmp

        Filesize

        64KB

      • memory/4732-59-0x00000145D4E30000-0x00000145D4E40000-memory.dmp

        Filesize

        64KB

      • memory/4732-62-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-64-0x00000145D4E50000-0x00000145D4E60000-memory.dmp

        Filesize

        64KB

      • memory/4732-65-0x00000145D4F40000-0x00000145D4F50000-memory.dmp

        Filesize

        64KB

      • memory/4732-63-0x00000145D4E40000-0x00000145D4E50000-memory.dmp

        Filesize

        64KB

      • memory/4732-71-0x00000145D4F50000-0x00000145D4F60000-memory.dmp

        Filesize

        64KB

      • memory/4732-70-0x00000145D4E70000-0x00000145D4E80000-memory.dmp

        Filesize

        64KB

      • memory/4732-69-0x00000145D4E60000-0x00000145D4E70000-memory.dmp

        Filesize

        64KB

      • memory/4732-77-0x00000145D4F70000-0x00000145D4F80000-memory.dmp

        Filesize

        64KB

      • memory/4732-75-0x00000145D4F60000-0x00000145D4F70000-memory.dmp

        Filesize

        64KB

      • memory/4732-74-0x00000145D4E80000-0x00000145D4E90000-memory.dmp

        Filesize

        64KB

      • memory/4732-79-0x00000145D4E90000-0x00000145D4EA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-81-0x00000145D4F90000-0x00000145D4FA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-92-0x00000145D4FD0000-0x00000145D4FE0000-memory.dmp

        Filesize

        64KB

      • memory/4732-91-0x00000145D4FC0000-0x00000145D4FD0000-memory.dmp

        Filesize

        64KB

      • memory/4732-90-0x00000145D4FB0000-0x00000145D4FC0000-memory.dmp

        Filesize

        64KB

      • memory/4732-89-0x00000145D4FA0000-0x00000145D4FB0000-memory.dmp

        Filesize

        64KB

      • memory/4732-88-0x00000145D4EC0000-0x00000145D4ED0000-memory.dmp

        Filesize

        64KB

      • memory/4732-87-0x00000145D4EB0000-0x00000145D4EC0000-memory.dmp

        Filesize

        64KB

      • memory/4732-86-0x00000145D4EA0000-0x00000145D4EB0000-memory.dmp

        Filesize

        64KB

      • memory/4732-96-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-119-0x00000145D5030000-0x00000145D5040000-memory.dmp

        Filesize

        64KB

      • memory/4732-101-0x00000145D4FE0000-0x00000145D4FF0000-memory.dmp

        Filesize

        64KB

      • memory/4732-100-0x00000145D4F00000-0x00000145D4F10000-memory.dmp

        Filesize

        64KB

      • memory/4732-99-0x00000145D4ED0000-0x00000145D4EE0000-memory.dmp

        Filesize

        64KB

      • memory/4732-103-0x00000145D4EE0000-0x00000145D4EF0000-memory.dmp

        Filesize

        64KB

      • memory/4732-104-0x00000145D4FF0000-0x00000145D5000000-memory.dmp

        Filesize

        64KB

      • memory/4732-25-0x00000145D4E60000-0x00000145D4E70000-memory.dmp

        Filesize

        64KB

      • memory/4732-109-0x00000145D4F10000-0x00000145D4F20000-memory.dmp

        Filesize

        64KB

      • memory/4732-110-0x00000145D5000000-0x00000145D5010000-memory.dmp

        Filesize

        64KB

      • memory/4732-108-0x00000145D4EF0000-0x00000145D4F00000-memory.dmp

        Filesize

        64KB

      • memory/4732-111-0x00000145D4F20000-0x00000145D4F30000-memory.dmp

        Filesize

        64KB

      • memory/4732-112-0x00000145D5010000-0x00000145D5020000-memory.dmp

        Filesize

        64KB

      • memory/4732-39-0x00000145D4EB0000-0x00000145D4EC0000-memory.dmp

        Filesize

        64KB

      • memory/4732-28-0x00000145D4E80000-0x00000145D4E90000-memory.dmp

        Filesize

        64KB

      • memory/4732-80-0x00000145D4F80000-0x00000145D4F90000-memory.dmp

        Filesize

        64KB

      • memory/4732-118-0x00000145D4F40000-0x00000145D4F50000-memory.dmp

        Filesize

        64KB

      • memory/4732-120-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-126-0x00000145D5040000-0x00000145D5050000-memory.dmp

        Filesize

        64KB

      • memory/4732-125-0x00000145D4F50000-0x00000145D4F60000-memory.dmp

        Filesize

        64KB

      • memory/4732-130-0x00000145D5050000-0x00000145D5060000-memory.dmp

        Filesize

        64KB

      • memory/4732-129-0x00000145D4F70000-0x00000145D4F80000-memory.dmp

        Filesize

        64KB

      • memory/4732-128-0x00000145D4F60000-0x00000145D4F70000-memory.dmp

        Filesize

        64KB

      • memory/4732-134-0x00000145D5060000-0x00000145D5070000-memory.dmp

        Filesize

        64KB

      • memory/4732-133-0x00000145D4F90000-0x00000145D4FA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-132-0x00000145D4F80000-0x00000145D4F90000-memory.dmp

        Filesize

        64KB

      • memory/4732-141-0x00000145D3350000-0x00000145D3351000-memory.dmp

        Filesize

        4KB

      • memory/4732-143-0x00000145D4FA0000-0x00000145D4FB0000-memory.dmp

        Filesize

        64KB

      • memory/4732-146-0x00000145D4FD0000-0x00000145D4FE0000-memory.dmp

        Filesize

        64KB

      • memory/4732-145-0x00000145D4FC0000-0x00000145D4FD0000-memory.dmp

        Filesize

        64KB

      • memory/4732-144-0x00000145D4FB0000-0x00000145D4FC0000-memory.dmp

        Filesize

        64KB

      • memory/4732-158-0x00000145D4E80000-0x00000145D4E90000-memory.dmp

        Filesize

        64KB

      • memory/4732-157-0x00000145D4E70000-0x00000145D4E80000-memory.dmp

        Filesize

        64KB

      • memory/4732-156-0x00000145D4E60000-0x00000145D4E70000-memory.dmp

        Filesize

        64KB

      • memory/4732-155-0x00000145D4E50000-0x00000145D4E60000-memory.dmp

        Filesize

        64KB

      • memory/4732-164-0x00000145D4EB0000-0x00000145D4EC0000-memory.dmp

        Filesize

        64KB

      • memory/4732-170-0x00000145D4F00000-0x00000145D4F10000-memory.dmp

        Filesize

        64KB

      • memory/4732-179-0x00000145D5040000-0x00000145D5050000-memory.dmp

        Filesize

        64KB

      • memory/4732-178-0x00000145D5030000-0x00000145D5040000-memory.dmp

        Filesize

        64KB

      • memory/4732-177-0x00000145D5020000-0x00000145D5030000-memory.dmp

        Filesize

        64KB

      • memory/4732-176-0x00000145D5010000-0x00000145D5020000-memory.dmp

        Filesize

        64KB

      • memory/4732-175-0x00000145D5000000-0x00000145D5010000-memory.dmp

        Filesize

        64KB

      • memory/4732-174-0x00000145D4FF0000-0x00000145D5000000-memory.dmp

        Filesize

        64KB

      • memory/4732-173-0x00000145D4FE0000-0x00000145D4FF0000-memory.dmp

        Filesize

        64KB

      • memory/4732-172-0x00000145D4F90000-0x00000145D4FA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-171-0x00000145D4F50000-0x00000145D4F60000-memory.dmp

        Filesize

        64KB

      • memory/4732-169-0x00000145D4BA0000-0x00000145D4E10000-memory.dmp

        Filesize

        2.4MB

      • memory/4732-168-0x00000145D4F10000-0x00000145D4F20000-memory.dmp

        Filesize

        64KB

      • memory/4732-167-0x00000145D4EE0000-0x00000145D4EF0000-memory.dmp

        Filesize

        64KB

      • memory/4732-166-0x00000145D4ED0000-0x00000145D4EE0000-memory.dmp

        Filesize

        64KB

      • memory/4732-165-0x00000145D4EC0000-0x00000145D4ED0000-memory.dmp

        Filesize

        64KB

      • memory/4732-163-0x00000145D4EA0000-0x00000145D4EB0000-memory.dmp

        Filesize

        64KB

      • memory/4732-162-0x00000145D4E90000-0x00000145D4EA0000-memory.dmp

        Filesize

        64KB

      • memory/4732-154-0x00000145D4E40000-0x00000145D4E50000-memory.dmp

        Filesize

        64KB

      • memory/4732-153-0x00000145D4E20000-0x00000145D4E30000-memory.dmp

        Filesize

        64KB

      • memory/4732-26-0x00000145D4E70000-0x00000145D4E80000-memory.dmp

        Filesize

        64KB

      • memory/4732-21-0x00000145D4E40000-0x00000145D4E50000-memory.dmp

        Filesize

        64KB

      • memory/4732-22-0x00000145D4E50000-0x00000145D4E60000-memory.dmp

        Filesize

        64KB

      • memory/4732-17-0x00000145D4E30000-0x00000145D4E40000-memory.dmp

        Filesize

        64KB

      • memory/4732-16-0x00000145D4E20000-0x00000145D4E30000-memory.dmp

        Filesize

        64KB

      • memory/4732-14-0x00000145D4E10000-0x00000145D4E20000-memory.dmp

        Filesize

        64KB

      • memory/4732-2-0x00000145D4BA0000-0x00000145D4E10000-memory.dmp

        Filesize

        2.4MB

      • memory/4732-152-0x00000145D4E30000-0x00000145D4E40000-memory.dmp

        Filesize

        64KB

      • memory/4732-151-0x00000145D4E10000-0x00000145D4E20000-memory.dmp

        Filesize

        64KB

      • memory/4732-150-0x00000145D4EF0000-0x00000145D4F00000-memory.dmp

        Filesize

        64KB