Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 06:29

General

  • Target

    4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar

  • Size

    265KB

  • MD5

    41856a018cbd1dc677eed38ad8cf9724

  • SHA1

    74d2964716fcd41dd3b11c4f489f75ff8355b7b0

  • SHA256

    4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11

  • SHA512

    df93fd7e45a6e1bac72f3c0851f731e3256f4bc54e84ba2a7a8ad775b571a78f541f774fa217abbda3d3f7ac66e4e5077deb32ae7b16a09a2a68d7ed5c4adf20

  • SSDEEP

    6144:xirWMsbCjzX7g6FgrlLdZXAe8Db36Nl2uS:x7R6ippyvaNQuS

Malware Config

Extracted

Family

strrat

C2

195.177.95.117:7800

Attributes
  • license_id

    DB1U-CVGT-7HUG-X0A0-GNWH

  • 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\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    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\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3148
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4468
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3272
      • 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\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4728
        • 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:4712
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3760
        • 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:4984
          • 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:4736
        • 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:916
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:3608
          • 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:5000
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1296

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        d8a2588e76b0673a0d59897d9ebd38d6

        SHA1

        393fb58032716448fc686faca78ffea851a63ae0

        SHA256

        758941637d8dfc9243327377fcf446e74fc3d383ad413c31f4a60154cfcf024c

        SHA512

        646cad142a729e2c65cad0828a106605010e81b01a7884d5e9d057ebfbd07c0ad258fa57b4d65a9d977480ac38a292442f4a450d9642119f9c066a0d5cdd438a

      • C:\Users\Admin\4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11.jar

        Filesize

        265KB

        MD5

        41856a018cbd1dc677eed38ad8cf9724

        SHA1

        74d2964716fcd41dd3b11c4f489f75ff8355b7b0

        SHA256

        4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11

        SHA512

        df93fd7e45a6e1bac72f3c0851f731e3256f4bc54e84ba2a7a8ad775b571a78f541f774fa217abbda3d3f7ac66e4e5077deb32ae7b16a09a2a68d7ed5c4adf20

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1292999158512575262.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1412605595-2147700071-3468511006-1000\83aa4cc77f591dfc2374580bbd95f6ba_f4dcc01a-0567-4d6a-9a2d-9c6dc3aa34d5

        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/3148-229-0x000002CDE9080000-0x000002CDE9081000-memory.dmp

        Filesize

        4KB

      • memory/4596-102-0x0000020FD1790000-0x0000020FD17A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-18-0x0000020FD1690000-0x0000020FD16A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-25-0x0000020FD16D0000-0x0000020FD16E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-26-0x0000020FD16E0000-0x0000020FD16F0000-memory.dmp

        Filesize

        64KB

      • memory/4596-28-0x0000020FD1400000-0x0000020FD1670000-memory.dmp

        Filesize

        2.4MB

      • memory/4596-29-0x0000020FD16F0000-0x0000020FD1700000-memory.dmp

        Filesize

        64KB

      • memory/4596-30-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-36-0x0000020FD1700000-0x0000020FD1710000-memory.dmp

        Filesize

        64KB

      • memory/4596-40-0x0000020FD1710000-0x0000020FD1720000-memory.dmp

        Filesize

        64KB

      • memory/4596-42-0x0000020FD1720000-0x0000020FD1730000-memory.dmp

        Filesize

        64KB

      • memory/4596-41-0x0000020FD1680000-0x0000020FD1690000-memory.dmp

        Filesize

        64KB

      • memory/4596-39-0x0000020FD1670000-0x0000020FD1680000-memory.dmp

        Filesize

        64KB

      • memory/4596-46-0x0000020FD1730000-0x0000020FD1740000-memory.dmp

        Filesize

        64KB

      • memory/4596-45-0x0000020FD16A0000-0x0000020FD16B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-44-0x0000020FD1690000-0x0000020FD16A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-48-0x0000020FD1740000-0x0000020FD1750000-memory.dmp

        Filesize

        64KB

      • memory/4596-52-0x0000020FD16B0000-0x0000020FD16C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-60-0x0000020FD1780000-0x0000020FD1790000-memory.dmp

        Filesize

        64KB

      • memory/4596-59-0x0000020FD16E0000-0x0000020FD16F0000-memory.dmp

        Filesize

        64KB

      • memory/4596-58-0x0000020FD1770000-0x0000020FD1780000-memory.dmp

        Filesize

        64KB

      • memory/4596-57-0x0000020FD16D0000-0x0000020FD16E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-55-0x0000020FD16C0000-0x0000020FD16D0000-memory.dmp

        Filesize

        64KB

      • memory/4596-54-0x0000020FD1760000-0x0000020FD1770000-memory.dmp

        Filesize

        64KB

      • memory/4596-53-0x0000020FD1750000-0x0000020FD1760000-memory.dmp

        Filesize

        64KB

      • memory/4596-65-0x0000020FD1790000-0x0000020FD17A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-64-0x0000020FD16F0000-0x0000020FD1700000-memory.dmp

        Filesize

        64KB

      • memory/4596-66-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-67-0x0000020FD1700000-0x0000020FD1710000-memory.dmp

        Filesize

        64KB

      • memory/4596-68-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-71-0x0000020FD17A0000-0x0000020FD17B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-70-0x0000020FD1710000-0x0000020FD1720000-memory.dmp

        Filesize

        64KB

      • memory/4596-75-0x0000020FD17B0000-0x0000020FD17C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-74-0x0000020FD1720000-0x0000020FD1730000-memory.dmp

        Filesize

        64KB

      • memory/4596-79-0x0000020FD1730000-0x0000020FD1740000-memory.dmp

        Filesize

        64KB

      • memory/4596-82-0x0000020FD1740000-0x0000020FD1750000-memory.dmp

        Filesize

        64KB

      • memory/4596-81-0x0000020FD17D0000-0x0000020FD17E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-80-0x0000020FD17C0000-0x0000020FD17D0000-memory.dmp

        Filesize

        64KB

      • memory/4596-87-0x0000020FD17E0000-0x0000020FD17F0000-memory.dmp

        Filesize

        64KB

      • memory/4596-86-0x0000020FD1760000-0x0000020FD1770000-memory.dmp

        Filesize

        64KB

      • memory/4596-85-0x0000020FD1750000-0x0000020FD1760000-memory.dmp

        Filesize

        64KB

      • memory/4596-88-0x0000020FD1770000-0x0000020FD1780000-memory.dmp

        Filesize

        64KB

      • memory/4596-89-0x0000020FD17F0000-0x0000020FD1800000-memory.dmp

        Filesize

        64KB

      • memory/4596-95-0x0000020FD1780000-0x0000020FD1790000-memory.dmp

        Filesize

        64KB

      • memory/4596-94-0x0000020FD1810000-0x0000020FD1820000-memory.dmp

        Filesize

        64KB

      • memory/4596-93-0x0000020FD1800000-0x0000020FD1810000-memory.dmp

        Filesize

        64KB

      • memory/4596-100-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-22-0x0000020FD16C0000-0x0000020FD16D0000-memory.dmp

        Filesize

        64KB

      • memory/4596-111-0x0000020FD17B0000-0x0000020FD17C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-105-0x0000020FD1830000-0x0000020FD1840000-memory.dmp

        Filesize

        64KB

      • memory/4596-108-0x0000020FD1840000-0x0000020FD1850000-memory.dmp

        Filesize

        64KB

      • memory/4596-107-0x0000020FD17A0000-0x0000020FD17B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-109-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-103-0x0000020FD1820000-0x0000020FD1830000-memory.dmp

        Filesize

        64KB

      • memory/4596-19-0x0000020FD16A0000-0x0000020FD16B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-168-0x0000020FD16E0000-0x0000020FD16F0000-memory.dmp

        Filesize

        64KB

      • memory/4596-115-0x0000020FD17D0000-0x0000020FD17E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-114-0x0000020FD17C0000-0x0000020FD17D0000-memory.dmp

        Filesize

        64KB

      • memory/4596-119-0x0000020FD1870000-0x0000020FD1880000-memory.dmp

        Filesize

        64KB

      • memory/4596-121-0x0000020FD17E0000-0x0000020FD17F0000-memory.dmp

        Filesize

        64KB

      • memory/4596-122-0x0000020FD1880000-0x0000020FD1890000-memory.dmp

        Filesize

        64KB

      • memory/4596-125-0x0000020FD1890000-0x0000020FD18A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-124-0x0000020FD17F0000-0x0000020FD1800000-memory.dmp

        Filesize

        64KB

      • memory/4596-127-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-132-0x0000020FD1810000-0x0000020FD1820000-memory.dmp

        Filesize

        64KB

      • memory/4596-133-0x0000020FD18A0000-0x0000020FD18B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-131-0x0000020FD1800000-0x0000020FD1810000-memory.dmp

        Filesize

        64KB

      • memory/4596-137-0x0000020FD18B0000-0x0000020FD18C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-138-0x0000020FCFB30000-0x0000020FCFB31000-memory.dmp

        Filesize

        4KB

      • memory/4596-141-0x0000020FD1820000-0x0000020FD1830000-memory.dmp

        Filesize

        64KB

      • memory/4596-142-0x0000020FD1830000-0x0000020FD1840000-memory.dmp

        Filesize

        64KB

      • memory/4596-144-0x0000020FD1840000-0x0000020FD1850000-memory.dmp

        Filesize

        64KB

      • memory/4596-148-0x0000020FD1850000-0x0000020FD1860000-memory.dmp

        Filesize

        64KB

      • memory/4596-152-0x0000020FD1860000-0x0000020FD1870000-memory.dmp

        Filesize

        64KB

      • memory/4596-153-0x0000020FD1870000-0x0000020FD1880000-memory.dmp

        Filesize

        64KB

      • memory/4596-158-0x0000020FD16B0000-0x0000020FD16C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-159-0x0000020FD1670000-0x0000020FD1680000-memory.dmp

        Filesize

        64KB

      • memory/4596-161-0x0000020FD1690000-0x0000020FD16A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-162-0x0000020FD16A0000-0x0000020FD16B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-183-0x0000020FD17F0000-0x0000020FD1800000-memory.dmp

        Filesize

        64KB

      • memory/4596-182-0x0000020FD17D0000-0x0000020FD17E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-20-0x0000020FD16B0000-0x0000020FD16C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-181-0x0000020FD17B0000-0x0000020FD17C0000-memory.dmp

        Filesize

        64KB

      • memory/4596-180-0x0000020FD17A0000-0x0000020FD17B0000-memory.dmp

        Filesize

        64KB

      • memory/4596-179-0x0000020FD1790000-0x0000020FD17A0000-memory.dmp

        Filesize

        64KB

      • memory/4596-178-0x0000020FD1770000-0x0000020FD1780000-memory.dmp

        Filesize

        64KB

      • memory/4596-177-0x0000020FD1780000-0x0000020FD1790000-memory.dmp

        Filesize

        64KB

      • memory/4596-176-0x0000020FD1760000-0x0000020FD1770000-memory.dmp

        Filesize

        64KB

      • memory/4596-174-0x0000020FD1740000-0x0000020FD1750000-memory.dmp

        Filesize

        64KB

      • memory/4596-173-0x0000020FD1730000-0x0000020FD1740000-memory.dmp

        Filesize

        64KB

      • memory/4596-172-0x0000020FD1680000-0x0000020FD1690000-memory.dmp

        Filesize

        64KB

      • memory/4596-171-0x0000020FD1710000-0x0000020FD1720000-memory.dmp

        Filesize

        64KB

      • memory/4596-170-0x0000020FD1700000-0x0000020FD1710000-memory.dmp

        Filesize

        64KB

      • memory/4596-169-0x0000020FD16F0000-0x0000020FD1700000-memory.dmp

        Filesize

        64KB

      • memory/4596-116-0x0000020FD1860000-0x0000020FD1870000-memory.dmp

        Filesize

        64KB

      • memory/4596-167-0x0000020FD16D0000-0x0000020FD16E0000-memory.dmp

        Filesize

        64KB

      • memory/4596-166-0x0000020FD16C0000-0x0000020FD16D0000-memory.dmp

        Filesize

        64KB

      • memory/4596-165-0x0000020FD1400000-0x0000020FD1670000-memory.dmp

        Filesize

        2.4MB

      • memory/4596-175-0x0000020FD1750000-0x0000020FD1760000-memory.dmp

        Filesize

        64KB

      • memory/4596-160-0x0000020FD1720000-0x0000020FD1730000-memory.dmp

        Filesize

        64KB

      • memory/4596-113-0x0000020FD1850000-0x0000020FD1860000-memory.dmp

        Filesize

        64KB

      • memory/4596-14-0x0000020FD1680000-0x0000020FD1690000-memory.dmp

        Filesize

        64KB

      • memory/4596-2-0x0000020FD1400000-0x0000020FD1670000-memory.dmp

        Filesize

        2.4MB

      • memory/4596-12-0x0000020FD1670000-0x0000020FD1680000-memory.dmp

        Filesize

        64KB

      • memory/4728-267-0x0000021F0E3B0000-0x0000021F0E3B1000-memory.dmp

        Filesize

        4KB

      • memory/4728-282-0x0000021F0E3B0000-0x0000021F0E3B1000-memory.dmp

        Filesize

        4KB