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Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 06:38

General

  • Target

    ef3f13667597ce1b7ba2e2d966918609_JaffaCakes118.js

  • Size

    183KB

  • MD5

    ef3f13667597ce1b7ba2e2d966918609

  • SHA1

    c4b9b27739149475dd718813e3bc05b68af2f11f

  • SHA256

    ea0d1df8f246470f17fde59c5ed6e866a813b07890de8dcd9932909a3825857e

  • SHA512

    85018f8fb24e0793e39b8b9c872fb04dd792aa057a7af0146095d5dc17fa3e2181d4edcd067314b3b271870186edcbe6f39de0640d9b97b54629f377268d900d

  • SSDEEP

    3072:KK9pI8Ly5wq/sp6lOAbftWRLXkXme/IMh+LnVqUfaBoslG4RB7hVARDdjae5N5P:KKXZLy5z/rlOAbCbk2noUfaoSGeyN5P

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 10 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\ef3f13667597ce1b7ba2e2d966918609_JaffaCakes118.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4404
    • 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\cruggjbhb.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\cruggjbhb.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3640
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cruggjbhb.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1548
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cruggjbhb.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2324
        • 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\cruggjbhb.txt"
          4⤵
          • Loads dropped DLL
          PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    3d2a39eb9101c7e7f0771f2135c140a4

    SHA1

    d62b435b03b124cafd6d8cd20194bc648cad153c

    SHA256

    19f6b50ba4256a8fe5c7fba9fe9728b8b853f14e7b3abf9539820703c9aed31a

    SHA512

    954e2ca2c2ea912f81d46c9f3d36bb485b9c2cb52d9e7120f9166a643c7303f13332d838e4ed5feef6dcd6fb4409a0aa42bfd8af5773765023c382b0f059a603

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

    Filesize

    46B

    MD5

    1b5925366191e262c4766755add0d223

    SHA1

    fbc8eafe3cf234f21fc8d9661c6865c737307a94

    SHA256

    4ad18db20ce0ad20361fc567077ae21157c06521b4372d5f6b4afec6df4de316

    SHA512

    4a8c10ce95b6e78f2175fa106052add66f0ead270cfc04950d43d96dbfe4b49d1c4aff695e13ea39c990e9bedae66e0dd9d2cc189888c6dbaea1923f7b3e2b26

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna700866708313881839.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-945322488-2060912225-3527527000-1000\83aa4cc77f591dfc2374580bbd95f6ba_03d68389-5a68-4d9e-92ac-47b927e624dd

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

    Filesize

    92KB

    MD5

    9f529d816bffd28587755104a62e7ffe

    SHA1

    2ced260d71011c450dab5145881fad5460d00edb

    SHA256

    7bd8097de078f21e7f97dc04fac6ed6a4d7bc042934e2ec179706838303efe2f

    SHA512

    ccb1437c4fc7465bfdd62e5a7556a13f2bbebafe73e6c545a0125fe0289e833928b6c9f61ce36102ea107a6054f6ac738fae81ac068555fc500f1df15ac6baab

  • 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/2112-261-0x0000021EEB2D0000-0x0000021EEB2D1000-memory.dmp

    Filesize

    4KB

  • memory/2416-104-0x00000181ED4E0000-0x00000181ED4F0000-memory.dmp

    Filesize

    64KB

  • memory/2416-165-0x00000181ED440000-0x00000181ED450000-memory.dmp

    Filesize

    64KB

  • memory/2416-27-0x00000181ED390000-0x00000181ED3A0000-memory.dmp

    Filesize

    64KB

  • memory/2416-26-0x00000181ED380000-0x00000181ED390000-memory.dmp

    Filesize

    64KB

  • memory/2416-29-0x00000181ED3A0000-0x00000181ED3B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-35-0x00000181ED3B0000-0x00000181ED3C0000-memory.dmp

    Filesize

    64KB

  • memory/2416-43-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-42-0x00000181ED330000-0x00000181ED340000-memory.dmp

    Filesize

    64KB

  • memory/2416-41-0x00000181ED3D0000-0x00000181ED3E0000-memory.dmp

    Filesize

    64KB

  • memory/2416-40-0x00000181ED3E0000-0x00000181ED3F0000-memory.dmp

    Filesize

    64KB

  • memory/2416-46-0x00000181ED3F0000-0x00000181ED400000-memory.dmp

    Filesize

    64KB

  • memory/2416-45-0x00000181ED340000-0x00000181ED350000-memory.dmp

    Filesize

    64KB

  • memory/2416-51-0x00000181ED400000-0x00000181ED410000-memory.dmp

    Filesize

    64KB

  • memory/2416-49-0x00000181ED360000-0x00000181ED370000-memory.dmp

    Filesize

    64KB

  • memory/2416-48-0x00000181ED350000-0x00000181ED360000-memory.dmp

    Filesize

    64KB

  • memory/2416-39-0x00000181ED3C0000-0x00000181ED3D0000-memory.dmp

    Filesize

    64KB

  • memory/2416-37-0x00000181ED0C0000-0x00000181ED330000-memory.dmp

    Filesize

    2.4MB

  • memory/2416-53-0x00000181ED410000-0x00000181ED420000-memory.dmp

    Filesize

    64KB

  • memory/2416-58-0x00000181ED380000-0x00000181ED390000-memory.dmp

    Filesize

    64KB

  • memory/2416-60-0x00000181ED430000-0x00000181ED440000-memory.dmp

    Filesize

    64KB

  • memory/2416-59-0x00000181ED390000-0x00000181ED3A0000-memory.dmp

    Filesize

    64KB

  • memory/2416-55-0x00000181ED420000-0x00000181ED430000-memory.dmp

    Filesize

    64KB

  • memory/2416-54-0x00000181ED370000-0x00000181ED380000-memory.dmp

    Filesize

    64KB

  • memory/2416-63-0x00000181ED440000-0x00000181ED450000-memory.dmp

    Filesize

    64KB

  • memory/2416-64-0x00000181ED3A0000-0x00000181ED3B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-65-0x00000181ED450000-0x00000181ED460000-memory.dmp

    Filesize

    64KB

  • memory/2416-68-0x00000181ED3B0000-0x00000181ED3C0000-memory.dmp

    Filesize

    64KB

  • memory/2416-70-0x00000181ED3C0000-0x00000181ED3D0000-memory.dmp

    Filesize

    64KB

  • memory/2416-71-0x00000181ED3E0000-0x00000181ED3F0000-memory.dmp

    Filesize

    64KB

  • memory/2416-73-0x00000181ED460000-0x00000181ED470000-memory.dmp

    Filesize

    64KB

  • memory/2416-76-0x00000181ED3D0000-0x00000181ED3E0000-memory.dmp

    Filesize

    64KB

  • memory/2416-77-0x00000181ED470000-0x00000181ED480000-memory.dmp

    Filesize

    64KB

  • memory/2416-81-0x00000181ED480000-0x00000181ED490000-memory.dmp

    Filesize

    64KB

  • memory/2416-85-0x00000181ED490000-0x00000181ED4A0000-memory.dmp

    Filesize

    64KB

  • memory/2416-84-0x00000181ED410000-0x00000181ED420000-memory.dmp

    Filesize

    64KB

  • memory/2416-83-0x00000181ED400000-0x00000181ED410000-memory.dmp

    Filesize

    64KB

  • memory/2416-80-0x00000181ED3F0000-0x00000181ED400000-memory.dmp

    Filesize

    64KB

  • memory/2416-87-0x00000181ED4A0000-0x00000181ED4B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-94-0x00000181ED430000-0x00000181ED440000-memory.dmp

    Filesize

    64KB

  • memory/2416-96-0x00000181ED4D0000-0x00000181ED4E0000-memory.dmp

    Filesize

    64KB

  • memory/2416-95-0x00000181ED440000-0x00000181ED450000-memory.dmp

    Filesize

    64KB

  • memory/2416-93-0x00000181ED4C0000-0x00000181ED4D0000-memory.dmp

    Filesize

    64KB

  • memory/2416-92-0x00000181ED4B0000-0x00000181ED4C0000-memory.dmp

    Filesize

    64KB

  • memory/2416-91-0x00000181ED420000-0x00000181ED430000-memory.dmp

    Filesize

    64KB

  • memory/2416-101-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-103-0x00000181ED450000-0x00000181ED460000-memory.dmp

    Filesize

    64KB

  • memory/2416-19-0x00000181ED350000-0x00000181ED360000-memory.dmp

    Filesize

    64KB

  • memory/2416-106-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-107-0x00000181ED4F0000-0x00000181ED500000-memory.dmp

    Filesize

    64KB

  • memory/2416-111-0x00000181ED500000-0x00000181ED510000-memory.dmp

    Filesize

    64KB

  • memory/2416-23-0x00000181ED370000-0x00000181ED380000-memory.dmp

    Filesize

    64KB

  • memory/2416-110-0x00000181ED460000-0x00000181ED470000-memory.dmp

    Filesize

    64KB

  • memory/2416-164-0x00000181ED430000-0x00000181ED440000-memory.dmp

    Filesize

    64KB

  • memory/2416-116-0x00000181ED480000-0x00000181ED490000-memory.dmp

    Filesize

    64KB

  • memory/2416-117-0x00000181ED520000-0x00000181ED530000-memory.dmp

    Filesize

    64KB

  • memory/2416-120-0x00000181ED530000-0x00000181ED540000-memory.dmp

    Filesize

    64KB

  • memory/2416-119-0x00000181ED490000-0x00000181ED4A0000-memory.dmp

    Filesize

    64KB

  • memory/2416-122-0x00000181ED4A0000-0x00000181ED4B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-123-0x00000181ED540000-0x00000181ED550000-memory.dmp

    Filesize

    64KB

  • memory/2416-127-0x00000181ED550000-0x00000181ED560000-memory.dmp

    Filesize

    64KB

  • memory/2416-126-0x00000181ED4C0000-0x00000181ED4D0000-memory.dmp

    Filesize

    64KB

  • memory/2416-125-0x00000181ED4B0000-0x00000181ED4C0000-memory.dmp

    Filesize

    64KB

  • memory/2416-129-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-135-0x00000181ED560000-0x00000181ED570000-memory.dmp

    Filesize

    64KB

  • memory/2416-140-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-142-0x00000181ED4D0000-0x00000181ED4E0000-memory.dmp

    Filesize

    64KB

  • memory/2416-143-0x00000181ED4E0000-0x00000181ED4F0000-memory.dmp

    Filesize

    64KB

  • memory/2416-145-0x00000181ED0A0000-0x00000181ED0A1000-memory.dmp

    Filesize

    4KB

  • memory/2416-152-0x00000181ED370000-0x00000181ED380000-memory.dmp

    Filesize

    64KB

  • memory/2416-151-0x00000181ED360000-0x00000181ED370000-memory.dmp

    Filesize

    64KB

  • memory/2416-150-0x00000181ED350000-0x00000181ED360000-memory.dmp

    Filesize

    64KB

  • memory/2416-149-0x00000181ED340000-0x00000181ED350000-memory.dmp

    Filesize

    64KB

  • memory/2416-148-0x00000181ED330000-0x00000181ED340000-memory.dmp

    Filesize

    64KB

  • memory/2416-147-0x00000181ED3D0000-0x00000181ED3E0000-memory.dmp

    Filesize

    64KB

  • memory/2416-153-0x00000181ED380000-0x00000181ED390000-memory.dmp

    Filesize

    64KB

  • memory/2416-176-0x00000181ED550000-0x00000181ED560000-memory.dmp

    Filesize

    64KB

  • memory/2416-175-0x00000181ED540000-0x00000181ED550000-memory.dmp

    Filesize

    64KB

  • memory/2416-174-0x00000181ED530000-0x00000181ED540000-memory.dmp

    Filesize

    64KB

  • memory/2416-173-0x00000181ED520000-0x00000181ED530000-memory.dmp

    Filesize

    64KB

  • memory/2416-172-0x00000181ED510000-0x00000181ED520000-memory.dmp

    Filesize

    64KB

  • memory/2416-171-0x00000181ED500000-0x00000181ED510000-memory.dmp

    Filesize

    64KB

  • memory/2416-170-0x00000181ED4F0000-0x00000181ED500000-memory.dmp

    Filesize

    64KB

  • memory/2416-169-0x00000181ED4A0000-0x00000181ED4B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-168-0x00000181ED480000-0x00000181ED490000-memory.dmp

    Filesize

    64KB

  • memory/2416-167-0x00000181ED470000-0x00000181ED480000-memory.dmp

    Filesize

    64KB

  • memory/2416-166-0x00000181ED450000-0x00000181ED460000-memory.dmp

    Filesize

    64KB

  • memory/2416-114-0x00000181ED510000-0x00000181ED520000-memory.dmp

    Filesize

    64KB

  • memory/2416-113-0x00000181ED470000-0x00000181ED480000-memory.dmp

    Filesize

    64KB

  • memory/2416-163-0x00000181ED410000-0x00000181ED420000-memory.dmp

    Filesize

    64KB

  • memory/2416-162-0x00000181ED420000-0x00000181ED430000-memory.dmp

    Filesize

    64KB

  • memory/2416-161-0x00000181ED400000-0x00000181ED410000-memory.dmp

    Filesize

    64KB

  • memory/2416-160-0x00000181ED3F0000-0x00000181ED400000-memory.dmp

    Filesize

    64KB

  • memory/2416-159-0x00000181ED0C0000-0x00000181ED330000-memory.dmp

    Filesize

    2.4MB

  • memory/2416-20-0x00000181ED360000-0x00000181ED370000-memory.dmp

    Filesize

    64KB

  • memory/2416-158-0x00000181ED3E0000-0x00000181ED3F0000-memory.dmp

    Filesize

    64KB

  • memory/2416-157-0x00000181ED3C0000-0x00000181ED3D0000-memory.dmp

    Filesize

    64KB

  • memory/2416-156-0x00000181ED3B0000-0x00000181ED3C0000-memory.dmp

    Filesize

    64KB

  • memory/2416-155-0x00000181ED3A0000-0x00000181ED3B0000-memory.dmp

    Filesize

    64KB

  • memory/2416-154-0x00000181ED390000-0x00000181ED3A0000-memory.dmp

    Filesize

    64KB

  • memory/2416-4-0x00000181ED0C0000-0x00000181ED330000-memory.dmp

    Filesize

    2.4MB

  • memory/2416-16-0x00000181ED340000-0x00000181ED350000-memory.dmp

    Filesize

    64KB

  • memory/2416-15-0x00000181ED330000-0x00000181ED340000-memory.dmp

    Filesize

    64KB

  • memory/3640-205-0x0000024364BA0000-0x0000024364BA1000-memory.dmp

    Filesize

    4KB