Analysis

  • max time kernel
    146s
  • 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
    09-05-2024 16:15

General

  • Target

    LPO-9108993JS.js

  • Size

    443KB

  • MD5

    cdc0ff3b2e6bd8e1a0d09ff010c2c899

  • SHA1

    e15ab2d20673e273eb9698894c9f1ef07a893999

  • SHA256

    f224a2adc08aef0c0fc1899d4ba8aa52e3c608ef2b294dec6d72590dfcb91614

  • SHA512

    787ea82b4404ff50f77f18b36f60071551e8a80810e52d92fac6c89e06baa66bb3d0f09970c5a043273416a3aa92b99b74ae8e2a1f6d66f30c1bd92a282deea9

  • SSDEEP

    6144:ZQOOkQsu5kVH5fRAZmyUzxDRqns5D9rmqJ1UnYUB48xM91Y1WziypzkAkaM1kxKm:HVuGZq6xDk8H1cYm48xMYCkbprC

Malware Config

Signatures

  • STRRAT

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 32 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:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\LPO-9108993JS.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\azdjqwmz.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:3492
      • C:\Windows\SYSTEM32\wscript.exe
        wscript C:\Users\Admin\pnjtiaccyf.js
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4036
        • C:\Program Files\Java\jre-1.8\bin\javaw.exe
          "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\zvthscrgkj.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4048
          • C:\Program Files\Java\jre-1.8\bin\java.exe
            "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\zvthscrgkj.txt"
            5⤵
            • Drops startup file
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4352
            • C:\Windows\SYSTEM32\cmd.exe
              cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\zvthscrgkj.txt"
              6⤵
              • 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\zvthscrgkj.txt"
                7⤵
                • Creates scheduled task(s)
                PID:1380
            • 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\zvthscrgkj.txt"
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1832
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4584
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                  8⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5100
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3356
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
                  8⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2508
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3904
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                  8⤵
                    PID:3616
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
                  7⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4156
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                    8⤵
                      PID:2936

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        1ee964a95bc8f086a24ded3b0e3348f7

        SHA1

        3d0bda8c389943c610dbd82df6c3bbe96b1956e6

        SHA256

        145972f8f2e86d6293ec67bd6dd810e67ffbb8261629aae806da3d8ef9a95799

        SHA512

        73f3b8d726d489372832051b85cdf1d124b9e9645ed370c5af4609f383a407565b91601eb6e81af83666f9ed209c7bb21df06ba4b09dd33b06ef74a1b3aaf36a

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7052672048132984656.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\AppData\Roaming\azdjqwmz.txt

        Filesize

        219KB

        MD5

        dc460eff6b011dad319db62115365f3a

        SHA1

        112909f254ae16361a6f3dfe757f45896fa8f522

        SHA256

        8d1f7af142e64bcc42117302ce5c20a1e8cce37485f5f8948f006924498cd997

        SHA512

        d8ed4c60a35a8be32cd391c4c356f53bedbb2f59b20061f01a0aa751091fcb367799ffab266ad9ca33ef677fe12d30811991b4641c4519aeea073a095cc74d18

      • C:\Users\Admin\AppData\Roaming\zvthscrgkj.txt

        Filesize

        164KB

        MD5

        263238ba3312613146a92ecfad5f5abb

        SHA1

        57d076f1deb30314bdef4d7e4795068957c8c0d0

        SHA256

        4a464631cf3f7f3261f79fc443dd63d0d205806077e33e9ea1477134d2f7c723

        SHA512

        baaa069e01cf004eec72569fb49312dcf2b1bdac304b6c2e003a926f052c71708e2e704a14e81fbdaabbb01067c61f295bca1c97dfd2fef8ebc2b055eb12f9c4

      • 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

      • C:\Users\Admin\pnjtiaccyf.js

        Filesize

        347KB

        MD5

        4ab0c7385d9202a8aed07e0086d83711

        SHA1

        987d7102a8585fde7412554732d7974159e007fa

        SHA256

        5eb64fbe30ab5c8d68fd358f31f9f3cf9c2cb52032a1736a4b327a3d02d8bd0a

        SHA512

        c53ffb22e9dba04607c6648c4b6dd3195eaedbf73ce6b0f065aa116db1e6188b5096b53f281e02486e0b0f8f7e407870c050465902566f4701ce511ed4631682

      • memory/1832-162-0x000001FFA4930000-0x000001FFA4931000-memory.dmp

        Filesize

        4KB

      • memory/1832-176-0x000001FFA4930000-0x000001FFA4931000-memory.dmp

        Filesize

        4KB

      • memory/2748-17-0x00007FF805660000-0x00007FF805929000-memory.dmp

        Filesize

        2.8MB

      • memory/2748-16-0x000001FA2A950000-0x000001FA2A951000-memory.dmp

        Filesize

        4KB

      • memory/2748-4-0x00007FF805660000-0x00007FF805929000-memory.dmp

        Filesize

        2.8MB

      • memory/4048-98-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-101-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-47-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-95-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-82-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-76-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4048-74-0x0000011711900000-0x0000011711901000-memory.dmp

        Filesize

        4KB

      • memory/4352-136-0x000001EEAA170000-0x000001EEAA171000-memory.dmp

        Filesize

        4KB