Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2023 13:31

General

  • Target

    05734699.js

  • Size

    352KB

  • MD5

    b662081c24306347fe96b0461cac1c76

  • SHA1

    cf8a471dba51c21fd65cd5a0794654952a7559d1

  • SHA256

    989ce4d82fd24dbd20f261ec89891f90756b404e98364108517d897113dfd302

  • SHA512

    8c2bac8ef44d597e611018da40f8417d4114d0001061a278844177048356794f1a8a9e1cf8720aefca00e4f4d792f6357baa54d3c7e6b519e3570c31e04cf8d2

  • SSDEEP

    6144:NJrV1fMvYNeDXN+2nQZw8eCBKBSB6G9tJsD5rPTb4hYWKv16SK4jfQ7577:NJx1fMvHuZHeCogYD5OYWEwX

Malware Config

Signatures

  • STRRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 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:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\05734699.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\qcrzxzs.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\qcrzxzs.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4124
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qcrzxzs.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4556
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qcrzxzs.txt"
            5⤵
            • Creates scheduled task(s)
            PID:1968
        • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
          "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\qcrzxzs.txt"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:4196
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3460
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:548
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:944
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3780
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:5104
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:4156
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4576
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:4496

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        53fb578617fc1cdf6d480d925f56fda8

        SHA1

        582dd9a58436dedb8e267d68b019a60c347369c9

        SHA256

        0651267267096365fa60bf27769ad2fc3942ea61dc700d2acea32a38cd058889

        SHA512

        4fc5ef81e6327b3fdb4f114110b0c81b0f1142112f80ee7b25175786032a1c06d07d9ddf71506f3021507c1aa14df46b3944842de968a53c7c75fbd59bdd3e48

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        Filesize

        50B

        MD5

        45a91e605ecbf7ceef3b0f2a0d777ef2

        SHA1

        7c996e558ec7fdbc9384bf577a1f6d68a9d0eda4

        SHA256

        447d2f6da6457328f4ec8ba812cafdf17a742085c11c4afb2ace2875d1e7bfa5

        SHA512

        65ac556c636577992eb404ddd94e15a0ca0708c568c850e19e4bafe159a9baf62c880cac60dbd2516e26468936ff0da4792bc250f8b69bb9f8e55846303da26d

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna9004426294367713406.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-508929744-1894537824-211734425-1000\83aa4cc77f591dfc2374580bbd95f6ba_3db77c8d-8b44-4cdd-80bd-b67b97edf7a0

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qcrzxzs.txt

        Filesize

        164KB

        MD5

        e42e41dca87067441bf95942122244ef

        SHA1

        b322424df5aec8e114bf9fcf179884db9722eeda

        SHA256

        3aaca9e3fafd07c13175168d00a2d3fc4c7837990da32d5d80eb14303d53b132

        SHA512

        2f40e875a916b56b6acd099192824fd52d3cb4b2aac785d7c6e80c45b98971e7fed7790f4ada946b0520180d2dd0819867ab326324bae50c04ba514c8d9aca5e

      • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

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

        Filesize

        164KB

        MD5

        e42e41dca87067441bf95942122244ef

        SHA1

        b322424df5aec8e114bf9fcf179884db9722eeda

        SHA256

        3aaca9e3fafd07c13175168d00a2d3fc4c7837990da32d5d80eb14303d53b132

        SHA512

        2f40e875a916b56b6acd099192824fd52d3cb4b2aac785d7c6e80c45b98971e7fed7790f4ada946b0520180d2dd0819867ab326324bae50c04ba514c8d9aca5e

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

        Filesize

        164KB

        MD5

        e42e41dca87067441bf95942122244ef

        SHA1

        b322424df5aec8e114bf9fcf179884db9722eeda

        SHA256

        3aaca9e3fafd07c13175168d00a2d3fc4c7837990da32d5d80eb14303d53b132

        SHA512

        2f40e875a916b56b6acd099192824fd52d3cb4b2aac785d7c6e80c45b98971e7fed7790f4ada946b0520180d2dd0819867ab326324bae50c04ba514c8d9aca5e

      • 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\qcrzxzs.txt

        Filesize

        164KB

        MD5

        e42e41dca87067441bf95942122244ef

        SHA1

        b322424df5aec8e114bf9fcf179884db9722eeda

        SHA256

        3aaca9e3fafd07c13175168d00a2d3fc4c7837990da32d5d80eb14303d53b132

        SHA512

        2f40e875a916b56b6acd099192824fd52d3cb4b2aac785d7c6e80c45b98971e7fed7790f4ada946b0520180d2dd0819867ab326324bae50c04ba514c8d9aca5e

      • memory/1100-196-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-201-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-203-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-198-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-161-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-193-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-192-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-186-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-175-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-173-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/1100-145-0x00000000025E0000-0x00000000025E1000-memory.dmp

        Filesize

        4KB

      • memory/4124-220-0x00000000023E0000-0x00000000023E1000-memory.dmp

        Filesize

        4KB

      • memory/4196-249-0x0000000002850000-0x0000000002851000-memory.dmp

        Filesize

        4KB

      • memory/4196-265-0x0000000002850000-0x0000000002851000-memory.dmp

        Filesize

        4KB