Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 18:11

General

  • Target

    ORDER-2490407.PDF.js

  • Size

    7KB

  • MD5

    4fcc56b7dbee1342e383030ab4be2e4a

  • SHA1

    63f5f4aa8bc732b9e678e64003f3760ee04c803e

  • SHA256

    743569106872154115ba9aa6c4d354ebacb7cb9db052306416f4e3890b994239

  • SHA512

    07ae0d9c24c3857b058f52cc6719196133e50da699b065e96a27b7e7629a37fede86479884ffddce3b5ba4b38aca95ba4f419fe9eb48cc1effc0a33d5a7606ed

  • SSDEEP

    192:PgDlcwvjBSx2FHIdPNLSxMISUEcwvjszhczS8McInkjHcZSfAIcLcRSTJcwvjG/i:PB47

Malware Config

Signatures

  • STRRAT

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detect jar appended to MSI 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • 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 2 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 7 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).

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\ORDER-2490407.PDF.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\JLLUMC.js"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5064
      • 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\Local\Temp\VjX.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1796
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\VjX.jar"
          4⤵
          • Drops startup file
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\VjX.jar"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1316
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\VjX.jar"
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1528
          • 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\VjX.jar"
            5⤵
            • Loads dropped DLL
            • Accesses Microsoft Outlook profiles
            • Suspicious use of WriteProcessMemory
            • outlook_office_path
            • outlook_win_path
            PID:3744
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3088
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:5016
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4844
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2100
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2320
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                7⤵
                  PID:1168
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:4484
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                  7⤵
                    PID:1624
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell.exe "[void][Windows.Security.Credentials.PasswordVault,Windows.Security.Credentials,ContentType=WindowsRuntime] $vault = New-Object Windows.Security.Credentials.PasswordVault $vault.RetrieveAll() | % { $_.RetrievePassword();$_ }"
                  6⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:944
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
        1⤵
          PID:528

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\JLLUMC.js

          Filesize

          367KB

          MD5

          961caa8b91ecbca3ce8601dc4a515e51

          SHA1

          8480098196ccd298f122bbe9cc463954ddc0f241

          SHA256

          320ccbaab0c9d5cd7da65b3323b6e3d3cf36c5010d7f80598861150fa809eceb

          SHA512

          ce591541e0f3ff5d4781dd04c902336ff3b6b416934516c25d11886195d5829bbc13d20e5489811c8995c083b1842f090171e4f6cbf249a64cd1c78f580a72a7

        • C:\Users\Admin\AppData\Local\Temp\VjX.jar

          Filesize

          258KB

          MD5

          e47c15a77ec5efc447b41c23dd4760bc

          SHA1

          ebd7c32dd6ba13a999e2f05552e6e432d9d49035

          SHA256

          5f6f4c0f820e97ca6c40d16d25ca1e24010c4f4e3462f4f79c0de8e886528b2a

          SHA512

          c34daf6940637261e3e596187d9e82c0aecc9f5dc3099126fa8cdc4e8ac596128fc2ce16b829933b802aa0f83e3c916de427f59474636d56ce7bb22f73e0ea35

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l0vra0sh.kn4.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5782615283823501110.dll

          Filesize

          241KB

          MD5

          e02979ecd43bcc9061eb2b494ab5af50

          SHA1

          3122ac0e751660f646c73b10c4f79685aa65c545

          SHA256

          a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

          SHA512

          1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

        • C:\Users\Admin\AppData\Local\Temp\sqlite-3.14.2.1-1e247f7a-47ad-4a9e-85df-63620679d49c-sqlitejdbc.dll

          Filesize

          914KB

          MD5

          bcd42d2959eadc64dc225cf800ce3c90

          SHA1

          f19981d3c3987259edf9874aaccaaec21616b03d

          SHA256

          05a8557f5d197aca468f5272a2a869293cb11c2f0ab4839a17f144f9a5d0b77d

          SHA512

          428ba3a76543e726b58ea334b6ea9538c7230592cc29fa564fdb44fdb4e2998820514af70b10b80f77c8f1554f63e1a4822ef8db095191956652454d220bc167

        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2170637797-568393320-3232933035-1000\83aa4cc77f591dfc2374580bbd95f6ba_76278eb0-9988-43b4-9423-af5897ebbcb4

          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/944-179-0x000001C3F74D0000-0x000001C3F74D8000-memory.dmp

          Filesize

          32KB

        • memory/944-178-0x000001C3F7060000-0x000001C3F706A000-memory.dmp

          Filesize

          40KB

        • memory/944-173-0x000001C3F7180000-0x000001C3F71A2000-memory.dmp

          Filesize

          136KB

        • memory/1796-71-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-88-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-84-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-65-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-61-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-45-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/1796-18-0x000001CBD0120000-0x000001CBD0121000-memory.dmp

          Filesize

          4KB

        • memory/3744-146-0x0000022F6D4E0000-0x0000022F6D4E1000-memory.dmp

          Filesize

          4KB

        • memory/3744-163-0x0000022F6D4E0000-0x0000022F6D4E1000-memory.dmp

          Filesize

          4KB

        • memory/3744-165-0x0000022F6D4E0000-0x0000022F6D4E1000-memory.dmp

          Filesize

          4KB

        • memory/3744-196-0x0000000061680000-0x000000006176D000-memory.dmp

          Filesize

          948KB

        • memory/4256-112-0x000001F8F6600000-0x000001F8F6601000-memory.dmp

          Filesize

          4KB