Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:23

General

  • Target

    0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar

  • Size

    481KB

  • MD5

    2820aab595357470035ace68dcb120ca

  • SHA1

    3954643aaa5dde5ee8079728905843cd175e9e84

  • SHA256

    0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606

  • SHA512

    b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6

  • SSDEEP

    12288:yVlmvKeQSPE8hj7oxFQRb5hzxCOJpk8FiWhKc9:yHmvlnnoMlckiWp

Malware Config

Signatures

  • STRRAT

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4400
    • 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:4388
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:348
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:452
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1932
      • 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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"
        3⤵
        • Loads dropped DLL
        PID:672

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

    c3cb534e0530d7bec3257f6ac7ad7054

    SHA1

    a3c88c3cae87fedf7616dd53138481909e1353e3

    SHA256

    c21deb13fc971c808a9db987e800e43f3f362f597ed353395347ef2075e43bba

    SHA512

    42dc515efddd70ecd422ccd15fb86ce089a5b95af94084e72fb599d715c493ed729a7b88a968e7d240d933b65ce3368a18271f9405dce20a11e7332468693e0e

  • C:\Users\Admin\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar

    Filesize

    481KB

    MD5

    2820aab595357470035ace68dcb120ca

    SHA1

    3954643aaa5dde5ee8079728905843cd175e9e84

    SHA256

    0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606

    SHA512

    b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6879378905143879175.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1337824034-2731376981-3755436523-1000\83aa4cc77f591dfc2374580bbd95f6ba_6833eb7b-8d4b-4cdd-9502-9bbf7fc1cf9f

    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/348-278-0x000001BD0E080000-0x000001BD0E081000-memory.dmp

    Filesize

    4KB

  • memory/672-368-0x0000026E2D170000-0x0000026E2D171000-memory.dmp

    Filesize

    4KB

  • memory/4400-98-0x000001F1A8E40000-0x000001F1A8E50000-memory.dmp

    Filesize

    64KB

  • memory/4400-36-0x000001F1A8D30000-0x000001F1A8D40000-memory.dmp

    Filesize

    64KB

  • memory/4400-31-0x000001F1A8D10000-0x000001F1A8D20000-memory.dmp

    Filesize

    64KB

  • memory/4400-30-0x000001F1A8CF0000-0x000001F1A8D00000-memory.dmp

    Filesize

    64KB

  • memory/4400-25-0x000001F1A8CE0000-0x000001F1A8CF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-104-0x000001F1A8E50000-0x000001F1A8E60000-memory.dmp

    Filesize

    64KB

  • memory/4400-37-0x000001F1A8D40000-0x000001F1A8D50000-memory.dmp

    Filesize

    64KB

  • memory/4400-105-0x000001F1A8E60000-0x000001F1A8E70000-memory.dmp

    Filesize

    64KB

  • memory/4400-40-0x000001F1A8D50000-0x000001F1A8D60000-memory.dmp

    Filesize

    64KB

  • memory/4400-42-0x000001F1A8A10000-0x000001F1A8C80000-memory.dmp

    Filesize

    2.4MB

  • memory/4400-44-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-43-0x000001F1A8D60000-0x000001F1A8D70000-memory.dmp

    Filesize

    64KB

  • memory/4400-46-0x000001F1A8D70000-0x000001F1A8D80000-memory.dmp

    Filesize

    64KB

  • memory/4400-47-0x000001F1A8D80000-0x000001F1A8D90000-memory.dmp

    Filesize

    64KB

  • memory/4400-51-0x000001F1A8D90000-0x000001F1A8DA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-50-0x000001F1A8C90000-0x000001F1A8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-54-0x000001F1A8CB0000-0x000001F1A8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-55-0x000001F1A8DA0000-0x000001F1A8DB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-53-0x000001F1A8CA0000-0x000001F1A8CB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-49-0x000001F1A8C80000-0x000001F1A8C90000-memory.dmp

    Filesize

    64KB

  • memory/4400-62-0x000001F1A8DB0000-0x000001F1A8DC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-61-0x000001F1A8CC0000-0x000001F1A8CD0000-memory.dmp

    Filesize

    64KB

  • memory/4400-64-0x000001F1A8CD0000-0x000001F1A8CE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-66-0x000001F1A8DC0000-0x000001F1A8DD0000-memory.dmp

    Filesize

    64KB

  • memory/4400-65-0x000001F1A8CE0000-0x000001F1A8CF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-71-0x000001F1A8DD0000-0x000001F1A8DE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-70-0x000001F1A8D20000-0x000001F1A8D30000-memory.dmp

    Filesize

    64KB

  • memory/4400-69-0x000001F1A8D10000-0x000001F1A8D20000-memory.dmp

    Filesize

    64KB

  • memory/4400-68-0x000001F1A8CF0000-0x000001F1A8D00000-memory.dmp

    Filesize

    64KB

  • memory/4400-74-0x000001F1A8DE0000-0x000001F1A8DF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-73-0x000001F1A8D00000-0x000001F1A8D10000-memory.dmp

    Filesize

    64KB

  • memory/4400-79-0x000001F1A8DF0000-0x000001F1A8E00000-memory.dmp

    Filesize

    64KB

  • memory/4400-81-0x000001F1A8E00000-0x000001F1A8E10000-memory.dmp

    Filesize

    64KB

  • memory/4400-80-0x000001F1A8D50000-0x000001F1A8D60000-memory.dmp

    Filesize

    64KB

  • memory/4400-85-0x000001F1A8E10000-0x000001F1A8E20000-memory.dmp

    Filesize

    64KB

  • memory/4400-84-0x000001F1A8D70000-0x000001F1A8D80000-memory.dmp

    Filesize

    64KB

  • memory/4400-83-0x000001F1A8D60000-0x000001F1A8D70000-memory.dmp

    Filesize

    64KB

  • memory/4400-78-0x000001F1A8D40000-0x000001F1A8D50000-memory.dmp

    Filesize

    64KB

  • memory/4400-77-0x000001F1A8D30000-0x000001F1A8D40000-memory.dmp

    Filesize

    64KB

  • memory/4400-88-0x000001F1A8E20000-0x000001F1A8E30000-memory.dmp

    Filesize

    64KB

  • memory/4400-87-0x000001F1A8D80000-0x000001F1A8D90000-memory.dmp

    Filesize

    64KB

  • memory/4400-92-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-93-0x000001F1A8D90000-0x000001F1A8DA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-95-0x000001F1A8E30000-0x000001F1A8E40000-memory.dmp

    Filesize

    64KB

  • memory/4400-96-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-33-0x000001F1A8D00000-0x000001F1A8D10000-memory.dmp

    Filesize

    64KB

  • memory/4400-97-0x000001F1A8DA0000-0x000001F1A8DB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-103-0x000001F1A8DB0000-0x000001F1A8DC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-109-0x000001F1A8E80000-0x000001F1A8E90000-memory.dmp

    Filesize

    64KB

  • memory/4400-108-0x000001F1A8DC0000-0x000001F1A8DD0000-memory.dmp

    Filesize

    64KB

  • memory/4400-15-0x000001F1A8C90000-0x000001F1A8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-32-0x000001F1A8D20000-0x000001F1A8D30000-memory.dmp

    Filesize

    64KB

  • memory/4400-24-0x000001F1A8CD0000-0x000001F1A8CE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-116-0x000001F1A8E90000-0x000001F1A8EA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-121-0x000001F1A8DF0000-0x000001F1A8E00000-memory.dmp

    Filesize

    64KB

  • memory/4400-120-0x000001F1A8DE0000-0x000001F1A8DF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-119-0x000001F1A8EC0000-0x000001F1A8ED0000-memory.dmp

    Filesize

    64KB

  • memory/4400-118-0x000001F1A8EB0000-0x000001F1A8EC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-117-0x000001F1A8EA0000-0x000001F1A8EB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-123-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-115-0x000001F1A8DD0000-0x000001F1A8DE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-127-0x000001F1A8ED0000-0x000001F1A8EE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-128-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-131-0x000001F1A8EE0000-0x000001F1A8EF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-130-0x000001F1A8E00000-0x000001F1A8E10000-memory.dmp

    Filesize

    64KB

  • memory/4400-133-0x000001F1A8E10000-0x000001F1A8E20000-memory.dmp

    Filesize

    64KB

  • memory/4400-134-0x000001F1A8EF0000-0x000001F1A8F00000-memory.dmp

    Filesize

    64KB

  • memory/4400-137-0x000001F1A8F00000-0x000001F1A8F10000-memory.dmp

    Filesize

    64KB

  • memory/4400-136-0x000001F1A8E20000-0x000001F1A8E30000-memory.dmp

    Filesize

    64KB

  • memory/4400-139-0x000001F1A8E30000-0x000001F1A8E40000-memory.dmp

    Filesize

    64KB

  • memory/4400-140-0x000001F1A8F10000-0x000001F1A8F20000-memory.dmp

    Filesize

    64KB

  • memory/4400-142-0x000001F1A8E40000-0x000001F1A8E50000-memory.dmp

    Filesize

    64KB

  • memory/4400-144-0x000001F1A8F20000-0x000001F1A8F30000-memory.dmp

    Filesize

    64KB

  • memory/4400-143-0x000001F1A8E70000-0x000001F1A8E80000-memory.dmp

    Filesize

    64KB

  • memory/4400-146-0x000001F1A8E50000-0x000001F1A8E60000-memory.dmp

    Filesize

    64KB

  • memory/4400-147-0x000001F1A8E60000-0x000001F1A8E70000-memory.dmp

    Filesize

    64KB

  • memory/4400-148-0x000001F1A8F30000-0x000001F1A8F40000-memory.dmp

    Filesize

    64KB

  • memory/4400-150-0x000001F1A8E80000-0x000001F1A8E90000-memory.dmp

    Filesize

    64KB

  • memory/4400-151-0x000001F1A8F40000-0x000001F1A8F50000-memory.dmp

    Filesize

    64KB

  • memory/4400-153-0x000001F1A8E90000-0x000001F1A8EA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-154-0x000001F1A8EA0000-0x000001F1A8EB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-155-0x000001F1A8EB0000-0x000001F1A8EC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-156-0x000001F1A8F50000-0x000001F1A8F60000-memory.dmp

    Filesize

    64KB

  • memory/4400-158-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-162-0x000001F1A8EC0000-0x000001F1A8ED0000-memory.dmp

    Filesize

    64KB

  • memory/4400-163-0x000001F1A8F60000-0x000001F1A8F70000-memory.dmp

    Filesize

    64KB

  • memory/4400-166-0x000001F1A8F70000-0x000001F1A8F80000-memory.dmp

    Filesize

    64KB

  • memory/4400-165-0x000001F1A8ED0000-0x000001F1A8EE0000-memory.dmp

    Filesize

    64KB

  • memory/4400-175-0x000001F1A7200000-0x000001F1A7201000-memory.dmp

    Filesize

    4KB

  • memory/4400-177-0x000001F1A8EE0000-0x000001F1A8EF0000-memory.dmp

    Filesize

    64KB

  • memory/4400-179-0x000001F1A8EF0000-0x000001F1A8F00000-memory.dmp

    Filesize

    64KB

  • memory/4400-180-0x000001F1A8F80000-0x000001F1A8F90000-memory.dmp

    Filesize

    64KB

  • memory/4400-182-0x000001F1A8D00000-0x000001F1A8D10000-memory.dmp

    Filesize

    64KB

  • memory/4400-21-0x000001F1A8CC0000-0x000001F1A8CD0000-memory.dmp

    Filesize

    64KB

  • memory/4400-18-0x000001F1A8CA0000-0x000001F1A8CB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-19-0x000001F1A8CB0000-0x000001F1A8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-14-0x000001F1A8C80000-0x000001F1A8C90000-memory.dmp

    Filesize

    64KB

  • memory/4400-107-0x000001F1A8E70000-0x000001F1A8E80000-memory.dmp

    Filesize

    64KB

  • memory/4400-2-0x000001F1A8A10000-0x000001F1A8C80000-memory.dmp

    Filesize

    2.4MB

  • memory/4400-186-0x000001F1A8CB0000-0x000001F1A8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4400-185-0x000001F1A8CA0000-0x000001F1A8CB0000-memory.dmp

    Filesize

    64KB

  • memory/4400-184-0x000001F1A8C90000-0x000001F1A8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4400-183-0x000001F1A8C80000-0x000001F1A8C90000-memory.dmp

    Filesize

    64KB