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
    01-10-2024 19:29

General

  • Target

    071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar

  • Size

    187KB

  • MD5

    071c608a80c84e55ed4ead5e577104ea

  • SHA1

    1dd9194c56acd00e0ea5dabe9555334856a620c0

  • SHA256

    4fe2155de6e61665205a522e8fc7c95d25f53362f2e319fcd0993c4ea93bbbad

  • SHA512

    25d4486c9352b5223113bbbeab5afc64cdfeb621b43f80aeb64f0400aeca364e91e9a3037e894c1918d5bce8a832d9e035aa77c41f57a9c67cd1c294059c7b62

  • SSDEEP

    3072:ZIlbuz5kQLKPTzBPDmrKI/aoMQXw8TDcgMZ4sNgvC8xV1Wu4cTXCrnqAq1l8O:Z6ax+7FDA2QA8T3MOM0bVAhO

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 WriteProcessMemory 12 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\071c608a80c84e55ed4ead5e577104ea_JaffaCakes118.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SYSTEM32\wscript.exe
      wscript C:\Users\Admin\opzidxsfdk.js
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2276
      • 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\gqbszwyak.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3544
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\gqbszwyak.txt"
          4⤵
          • Drops startup file
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2396
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2720
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\gqbszwyak.txt"
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:700
          • 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\gqbszwyak.txt"
            5⤵
            • Loads dropped DLL
            PID:744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46B

    MD5

    dcf60b6a9349bf649139f5df5e315b9c

    SHA1

    1380702ed5b9c63d7aea00958bde185daa298655

    SHA256

    170eb88ca5c1a67a7a4de213ce375b730107b6af66ca87962351f8baecd8ccb2

    SHA512

    22ec9a0563f8dcfc131efb5a70f487dd5f3f0e790d673b88ff731fab732a33af5732faf30cfca5a2a5379ed5be8a282d9d0f0dffe27215d6b75d0a6ede76dfae

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1366567772511139373.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-355097885-2402257403-2971294179-1000\83aa4cc77f591dfc2374580bbd95f6ba_30dd1cc1-5c25-4745-b2f5-cffa52b1a886

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

    Filesize

    92KB

    MD5

    caa505646d19fd3e3e7de7b34ed5db77

    SHA1

    e5e5181d3a8c7a22cfb39a4538237bc62697e805

    SHA256

    aab7895819ff88404f40ed2645c0d411f04b56f018b6e72246f8475b3605882b

    SHA512

    f6c492547308564b1129dd03bbec622d5130010e9d50e7e9fa71f3430b75b6f2f291168b80ab4d765e626bbd886703601d880bd4e3aca4517cedcf99e1838603

  • 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\opzidxsfdk.js

    Filesize

    866KB

    MD5

    b275441d305e83de9981ae9335b28d46

    SHA1

    1e781c8c3475d675a8554e7e3f7025e0bc8dd580

    SHA256

    22a107a28e169cb1332a6e9dcf870610a9573faa0744b4e83570ad748c850573

    SHA512

    20923420748f8efce687b7bf10b21388bdfde0dcbcdadd41077de8fa100fc8b3bae86b991d49f01ffa00e7fec6332b06d4675d15e614a817a852dd7db95877db

  • memory/744-181-0x0000025DA2C60000-0x0000025DA2C61000-memory.dmp

    Filesize

    4KB

  • memory/1204-13-0x00000220D36F0000-0x00000220D36F1000-memory.dmp

    Filesize

    4KB

  • memory/1204-14-0x00000220D4F10000-0x00000220D5180000-memory.dmp

    Filesize

    2.4MB

  • memory/1204-2-0x00000220D4F10000-0x00000220D5180000-memory.dmp

    Filesize

    2.4MB

  • memory/2396-149-0x000001B276DA0000-0x000001B276DA1000-memory.dmp

    Filesize

    4KB

  • memory/2396-133-0x000001B276DA0000-0x000001B276DA1000-memory.dmp

    Filesize

    4KB

  • memory/3544-75-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-100-0x00000281E3A20000-0x00000281E3C90000-memory.dmp

    Filesize

    2.4MB

  • memory/3544-99-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-95-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-83-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-20-0x00000281E3A20000-0x00000281E3C90000-memory.dmp

    Filesize

    2.4MB

  • memory/3544-76-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-58-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB

  • memory/3544-44-0x00000281E3A00000-0x00000281E3A01000-memory.dmp

    Filesize

    4KB