Analysis

  • max time kernel
    149s
  • 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
    16/05/2024, 14:43

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:3668
    • 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:904
    • 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:3188
      • 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:4476
        • 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:4172
      • 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:1392
        • 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:3896
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2324
        • 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:5048
          • 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:3772
        • 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:2936
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:4516
          • 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:1780
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:2500

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        779d98c022d4b77395a37fb9f80a2a51

        SHA1

        7d5393ac21c0d77fd414ed524db434ecd07cc72b

        SHA256

        baeedd56739466948bdaba42c754de0a72aa961c5affee40ecd041208ff27aab

        SHA512

        d168a54505aeec38ecc2221b6e396807cccc585b7df6693b2bd2e56bcdc9c627d1ecd513794ac1d69dc907617a55665e6225ffe484aa584e0d428ee0d7d309bb

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

        Filesize

        46B

        MD5

        26ff1475e71715af38f33315594cc7fd

        SHA1

        01d3514305a3b6ffdb6e9bccb6529c66894f46d7

        SHA256

        32e716a390ca8d797de28eb8bc09f894556b17e5851a1636d1d7c0bae753d99c

        SHA512

        29bf04f22deb0223949ce58fe5f4d7f3b282ced6b4a31ab4830d20eda96dd54348e6ea0768d210309c8129fb29d5aab7ceb44b1acb94d53222189fd7a094e819

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna596548441813967675.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2539840389-1261165778-1087677076-1000\83aa4cc77f591dfc2374580bbd95f6ba_468f6343-c0e6-4931-9703-30c6539573cb

        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/1392-276-0x0000015D37C60000-0x0000015D37C61000-memory.dmp

        Filesize

        4KB

      • memory/1392-263-0x0000015D37C60000-0x0000015D37C61000-memory.dmp

        Filesize

        4KB

      • memory/3188-223-0x000001CAF9AA0000-0x000001CAF9AA1000-memory.dmp

        Filesize

        4KB

      • memory/3668-106-0x0000025513200000-0x0000025513210000-memory.dmp

        Filesize

        64KB

      • memory/3668-72-0x0000025513260000-0x0000025513270000-memory.dmp

        Filesize

        64KB

      • memory/3668-21-0x0000025513150000-0x0000025513160000-memory.dmp

        Filesize

        64KB

      • memory/3668-31-0x00000255131B0000-0x00000255131C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-37-0x00000255131C0000-0x00000255131D0000-memory.dmp

        Filesize

        64KB

      • memory/3668-38-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-40-0x00000255131D0000-0x00000255131E0000-memory.dmp

        Filesize

        64KB

      • memory/3668-43-0x0000025512EB0000-0x0000025513120000-memory.dmp

        Filesize

        2.4MB

      • memory/3668-44-0x00000255131E0000-0x00000255131F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-119-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-54-0x0000025513220000-0x0000025513230000-memory.dmp

        Filesize

        64KB

      • memory/3668-57-0x0000025513230000-0x0000025513240000-memory.dmp

        Filesize

        64KB

      • memory/3668-56-0x0000025513140000-0x0000025513150000-memory.dmp

        Filesize

        64KB

      • memory/3668-53-0x0000025513210000-0x0000025513220000-memory.dmp

        Filesize

        64KB

      • memory/3668-52-0x0000025513200000-0x0000025513210000-memory.dmp

        Filesize

        64KB

      • memory/3668-51-0x0000025513130000-0x0000025513140000-memory.dmp

        Filesize

        64KB

      • memory/3668-62-0x0000025513170000-0x0000025513180000-memory.dmp

        Filesize

        64KB

      • memory/3668-61-0x0000025513160000-0x0000025513170000-memory.dmp

        Filesize

        64KB

      • memory/3668-60-0x0000025513150000-0x0000025513160000-memory.dmp

        Filesize

        64KB

      • memory/3668-45-0x00000255131F0000-0x0000025513200000-memory.dmp

        Filesize

        64KB

      • memory/3668-63-0x0000025513240000-0x0000025513250000-memory.dmp

        Filesize

        64KB

      • memory/3668-65-0x0000025513180000-0x0000025513190000-memory.dmp

        Filesize

        64KB

      • memory/3668-66-0x0000025513250000-0x0000025513260000-memory.dmp

        Filesize

        64KB

      • memory/3668-69-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-115-0x0000025513330000-0x0000025513340000-memory.dmp

        Filesize

        64KB

      • memory/3668-71-0x00000255131A0000-0x00000255131B0000-memory.dmp

        Filesize

        64KB

      • memory/3668-70-0x0000025513190000-0x00000255131A0000-memory.dmp

        Filesize

        64KB

      • memory/3668-77-0x0000025513270000-0x0000025513280000-memory.dmp

        Filesize

        64KB

      • memory/3668-76-0x00000255131B0000-0x00000255131C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-84-0x00000255131C0000-0x00000255131D0000-memory.dmp

        Filesize

        64KB

      • memory/3668-92-0x00000255132E0000-0x00000255132F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-91-0x00000255131D0000-0x00000255131E0000-memory.dmp

        Filesize

        64KB

      • memory/3668-90-0x00000255132C0000-0x00000255132D0000-memory.dmp

        Filesize

        64KB

      • memory/3668-89-0x00000255132D0000-0x00000255132E0000-memory.dmp

        Filesize

        64KB

      • memory/3668-88-0x00000255132B0000-0x00000255132C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-87-0x00000255132A0000-0x00000255132B0000-memory.dmp

        Filesize

        64KB

      • memory/3668-86-0x0000025513290000-0x00000255132A0000-memory.dmp

        Filesize

        64KB

      • memory/3668-85-0x0000025513280000-0x0000025513290000-memory.dmp

        Filesize

        64KB

      • memory/3668-114-0x0000025513240000-0x0000025513250000-memory.dmp

        Filesize

        64KB

      • memory/3668-100-0x00000255132F0000-0x0000025513300000-memory.dmp

        Filesize

        64KB

      • memory/3668-99-0x00000255131E0000-0x00000255131F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-101-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-104-0x0000025513300000-0x0000025513310000-memory.dmp

        Filesize

        64KB

      • memory/3668-103-0x00000255131F0000-0x0000025513200000-memory.dmp

        Filesize

        64KB

      • memory/3668-29-0x00000255131A0000-0x00000255131B0000-memory.dmp

        Filesize

        64KB

      • memory/3668-109-0x0000025513310000-0x0000025513320000-memory.dmp

        Filesize

        64KB

      • memory/3668-108-0x0000025513220000-0x0000025513230000-memory.dmp

        Filesize

        64KB

      • memory/3668-107-0x0000025513210000-0x0000025513220000-memory.dmp

        Filesize

        64KB

      • memory/3668-112-0x0000025513320000-0x0000025513330000-memory.dmp

        Filesize

        64KB

      • memory/3668-111-0x0000025513230000-0x0000025513240000-memory.dmp

        Filesize

        64KB

      • memory/3668-97-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-28-0x0000025513190000-0x00000255131A0000-memory.dmp

        Filesize

        64KB

      • memory/3668-46-0x0000025513120000-0x0000025513130000-memory.dmp

        Filesize

        64KB

      • memory/3668-118-0x0000025513340000-0x0000025513350000-memory.dmp

        Filesize

        64KB

      • memory/3668-117-0x0000025513250000-0x0000025513260000-memory.dmp

        Filesize

        64KB

      • memory/3668-124-0x0000025513260000-0x0000025513270000-memory.dmp

        Filesize

        64KB

      • memory/3668-125-0x0000025513350000-0x0000025513360000-memory.dmp

        Filesize

        64KB

      • memory/3668-129-0x0000025513360000-0x0000025513370000-memory.dmp

        Filesize

        64KB

      • memory/3668-128-0x0000025513290000-0x00000255132A0000-memory.dmp

        Filesize

        64KB

      • memory/3668-127-0x0000025513270000-0x0000025513280000-memory.dmp

        Filesize

        64KB

      • memory/3668-132-0x0000025513280000-0x0000025513290000-memory.dmp

        Filesize

        64KB

      • memory/3668-136-0x0000025513370000-0x0000025513380000-memory.dmp

        Filesize

        64KB

      • memory/3668-135-0x00000255132D0000-0x00000255132E0000-memory.dmp

        Filesize

        64KB

      • memory/3668-134-0x00000255132B0000-0x00000255132C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-133-0x00000255132A0000-0x00000255132B0000-memory.dmp

        Filesize

        64KB

      • memory/3668-142-0x00000255132C0000-0x00000255132D0000-memory.dmp

        Filesize

        64KB

      • memory/3668-143-0x00000255132E0000-0x00000255132F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-144-0x0000025513380000-0x0000025513390000-memory.dmp

        Filesize

        64KB

      • memory/3668-145-0x00000255114C0000-0x00000255114C1000-memory.dmp

        Filesize

        4KB

      • memory/3668-149-0x00000255132F0000-0x0000025513300000-memory.dmp

        Filesize

        64KB

      • memory/3668-157-0x0000025513160000-0x0000025513170000-memory.dmp

        Filesize

        64KB

      • memory/3668-156-0x0000025513150000-0x0000025513160000-memory.dmp

        Filesize

        64KB

      • memory/3668-176-0x0000025513340000-0x0000025513350000-memory.dmp

        Filesize

        64KB

      • memory/3668-175-0x0000025513330000-0x0000025513340000-memory.dmp

        Filesize

        64KB

      • memory/3668-174-0x0000025513320000-0x0000025513330000-memory.dmp

        Filesize

        64KB

      • memory/3668-173-0x0000025513310000-0x0000025513320000-memory.dmp

        Filesize

        64KB

      • memory/3668-172-0x0000025513300000-0x0000025513310000-memory.dmp

        Filesize

        64KB

      • memory/3668-171-0x00000255131C0000-0x00000255131D0000-memory.dmp

        Filesize

        64KB

      • memory/3668-170-0x00000255132B0000-0x00000255132C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-169-0x00000255132E0000-0x00000255132F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-168-0x0000025513260000-0x0000025513270000-memory.dmp

        Filesize

        64KB

      • memory/3668-167-0x0000025513250000-0x0000025513260000-memory.dmp

        Filesize

        64KB

      • memory/3668-166-0x0000025513220000-0x0000025513230000-memory.dmp

        Filesize

        64KB

      • memory/3668-165-0x0000025512EB0000-0x0000025513120000-memory.dmp

        Filesize

        2.4MB

      • memory/3668-164-0x00000255131E0000-0x00000255131F0000-memory.dmp

        Filesize

        64KB

      • memory/3668-163-0x00000255131D0000-0x00000255131E0000-memory.dmp

        Filesize

        64KB

      • memory/3668-162-0x00000255131B0000-0x00000255131C0000-memory.dmp

        Filesize

        64KB

      • memory/3668-161-0x00000255131A0000-0x00000255131B0000-memory.dmp

        Filesize

        64KB

      • memory/3668-160-0x0000025513190000-0x00000255131A0000-memory.dmp

        Filesize

        64KB

      • memory/3668-159-0x0000025513180000-0x0000025513190000-memory.dmp

        Filesize

        64KB

      • memory/3668-158-0x0000025513170000-0x0000025513180000-memory.dmp

        Filesize

        64KB

      • memory/3668-155-0x0000025513140000-0x0000025513150000-memory.dmp

        Filesize

        64KB

      • memory/3668-25-0x0000025513180000-0x0000025513190000-memory.dmp

        Filesize

        64KB

      • memory/3668-22-0x0000025513160000-0x0000025513170000-memory.dmp

        Filesize

        64KB

      • memory/3668-23-0x0000025513170000-0x0000025513180000-memory.dmp

        Filesize

        64KB

      • memory/3668-17-0x0000025513140000-0x0000025513150000-memory.dmp

        Filesize

        64KB

      • memory/3668-16-0x0000025513130000-0x0000025513140000-memory.dmp

        Filesize

        64KB

      • memory/3668-13-0x0000025513120000-0x0000025513130000-memory.dmp

        Filesize

        64KB

      • memory/3668-2-0x0000025512EB0000-0x0000025513120000-memory.dmp

        Filesize

        2.4MB

      • memory/3668-154-0x0000025513130000-0x0000025513140000-memory.dmp

        Filesize

        64KB

      • memory/3668-153-0x0000025513120000-0x0000025513130000-memory.dmp

        Filesize

        64KB

      • memory/3668-152-0x00000255131F0000-0x0000025513200000-memory.dmp

        Filesize

        64KB