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Analysis

  • max time kernel
    137s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 15:53

General

  • Target

    3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar

  • Size

    400KB

  • MD5

    0b6fbf92570074872a27c7c770e0df63

  • SHA1

    8e59ba98c196cd3c490ceffbadb3bacf5380d3fe

  • SHA256

    3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937

  • SHA512

    bae3b3ceef3d16386ef829d206cd94dd7c2e690d078720bbb5f1c57809569b2f6dd953764c1b8219558bfe7ae5df763fc4ccf7c789d90f562af545c03838f38f

  • SSDEEP

    12288:ujJmHTO5wfXjD5cnv7n3J3ijc3tP9iNSj:utiTO5OiL5fP9Q+

Malware Config

Signatures

  • STRRAT

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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 use of WriteProcessMemory 8 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\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2388
      • 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\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar"
        3⤵
        • Loads dropped DLL
        PID:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937.jar

    Filesize

    400KB

    MD5

    0b6fbf92570074872a27c7c770e0df63

    SHA1

    8e59ba98c196cd3c490ceffbadb3bacf5380d3fe

    SHA256

    3546d4fa8249cfe559f61262d4914a3808ac7d9239d97ac91d57ef86c858b937

    SHA512

    bae3b3ceef3d16386ef829d206cd94dd7c2e690d078720bbb5f1c57809569b2f6dd953764c1b8219558bfe7ae5df763fc4ccf7c789d90f562af545c03838f38f

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna617712329568636536.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3419463127-3903270268-2580331543-1000\83aa4cc77f591dfc2374580bbd95f6ba_da80f27c-12da-4232-b66b-1e1207d248ba

    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/3252-342-0x00000263ECD10000-0x00000263ECD11000-memory.dmp

    Filesize

    4KB

  • memory/3552-240-0x0000020B566B0000-0x0000020B566B1000-memory.dmp

    Filesize

    4KB

  • memory/4820-101-0x000002046E8D0000-0x000002046E8E0000-memory.dmp

    Filesize

    64KB

  • memory/4820-182-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-23-0x000002046E750000-0x000002046E760000-memory.dmp

    Filesize

    64KB

  • memory/4820-27-0x000002046E770000-0x000002046E780000-memory.dmp

    Filesize

    64KB

  • memory/4820-26-0x000002046E760000-0x000002046E770000-memory.dmp

    Filesize

    64KB

  • memory/4820-29-0x000002046E780000-0x000002046E790000-memory.dmp

    Filesize

    64KB

  • memory/4820-36-0x000002046E7B0000-0x000002046E7C0000-memory.dmp

    Filesize

    64KB

  • memory/4820-35-0x000002046E7A0000-0x000002046E7B0000-memory.dmp

    Filesize

    64KB

  • memory/4820-34-0x000002046E790000-0x000002046E7A0000-memory.dmp

    Filesize

    64KB

  • memory/4820-33-0x000002046E490000-0x000002046E700000-memory.dmp

    Filesize

    2.4MB

  • memory/4820-41-0x000002046E7D0000-0x000002046E7E0000-memory.dmp

    Filesize

    64KB

  • memory/4820-40-0x000002046E7C0000-0x000002046E7D0000-memory.dmp

    Filesize

    64KB

  • memory/4820-39-0x000002046E700000-0x000002046E710000-memory.dmp

    Filesize

    64KB

  • memory/4820-44-0x000002046E710000-0x000002046E720000-memory.dmp

    Filesize

    64KB

  • memory/4820-45-0x000002046E7E0000-0x000002046E7F0000-memory.dmp

    Filesize

    64KB

  • memory/4820-50-0x000002046E720000-0x000002046E730000-memory.dmp

    Filesize

    64KB

  • memory/4820-51-0x000002046E7F0000-0x000002046E800000-memory.dmp

    Filesize

    64KB

  • memory/4820-55-0x000002046E740000-0x000002046E750000-memory.dmp

    Filesize

    64KB

  • memory/4820-59-0x000002046E810000-0x000002046E820000-memory.dmp

    Filesize

    64KB

  • memory/4820-61-0x000002046E760000-0x000002046E770000-memory.dmp

    Filesize

    64KB

  • memory/4820-62-0x000002046E820000-0x000002046E830000-memory.dmp

    Filesize

    64KB

  • memory/4820-58-0x000002046E750000-0x000002046E760000-memory.dmp

    Filesize

    64KB

  • memory/4820-64-0x000002046E770000-0x000002046E780000-memory.dmp

    Filesize

    64KB

  • memory/4820-65-0x000002046E830000-0x000002046E840000-memory.dmp

    Filesize

    64KB

  • memory/4820-63-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-57-0x000002046E800000-0x000002046E810000-memory.dmp

    Filesize

    64KB

  • memory/4820-54-0x000002046E730000-0x000002046E740000-memory.dmp

    Filesize

    64KB

  • memory/4820-68-0x000002046E840000-0x000002046E850000-memory.dmp

    Filesize

    64KB

  • memory/4820-67-0x000002046E780000-0x000002046E790000-memory.dmp

    Filesize

    64KB

  • memory/4820-70-0x000002046E790000-0x000002046E7A0000-memory.dmp

    Filesize

    64KB

  • memory/4820-72-0x000002046E850000-0x000002046E860000-memory.dmp

    Filesize

    64KB

  • memory/4820-75-0x000002046E860000-0x000002046E870000-memory.dmp

    Filesize

    64KB

  • memory/4820-74-0x000002046E7B0000-0x000002046E7C0000-memory.dmp

    Filesize

    64KB

  • memory/4820-71-0x000002046E7A0000-0x000002046E7B0000-memory.dmp

    Filesize

    64KB

  • memory/4820-79-0x000002046E7C0000-0x000002046E7D0000-memory.dmp

    Filesize

    64KB

  • memory/4820-82-0x000002046E880000-0x000002046E890000-memory.dmp

    Filesize

    64KB

  • memory/4820-81-0x000002046E870000-0x000002046E880000-memory.dmp

    Filesize

    64KB

  • memory/4820-80-0x000002046E7D0000-0x000002046E7E0000-memory.dmp

    Filesize

    64KB

  • memory/4820-86-0x000002046E890000-0x000002046E8A0000-memory.dmp

    Filesize

    64KB

  • memory/4820-85-0x000002046E7E0000-0x000002046E7F0000-memory.dmp

    Filesize

    64KB

  • memory/4820-90-0x000002046E800000-0x000002046E810000-memory.dmp

    Filesize

    64KB

  • memory/4820-107-0x000002046E8F0000-0x000002046E900000-memory.dmp

    Filesize

    64KB

  • memory/4820-91-0x000002046E8A0000-0x000002046E8B0000-memory.dmp

    Filesize

    64KB

  • memory/4820-89-0x000002046E7F0000-0x000002046E800000-memory.dmp

    Filesize

    64KB

  • memory/4820-94-0x000002046E8C0000-0x000002046E8D0000-memory.dmp

    Filesize

    64KB

  • memory/4820-102-0x000002046E8E0000-0x000002046E8F0000-memory.dmp

    Filesize

    64KB

  • memory/4820-20-0x000002046E730000-0x000002046E740000-memory.dmp

    Filesize

    64KB

  • memory/4820-100-0x000002046E810000-0x000002046E820000-memory.dmp

    Filesize

    64KB

  • memory/4820-109-0x000002046E910000-0x000002046E920000-memory.dmp

    Filesize

    64KB

  • memory/4820-113-0x000002046E920000-0x000002046E930000-memory.dmp

    Filesize

    64KB

  • memory/4820-116-0x000002046E930000-0x000002046E940000-memory.dmp

    Filesize

    64KB

  • memory/4820-115-0x000002046E840000-0x000002046E850000-memory.dmp

    Filesize

    64KB

  • memory/4820-21-0x000002046E740000-0x000002046E750000-memory.dmp

    Filesize

    64KB

  • memory/4820-112-0x000002046E830000-0x000002046E840000-memory.dmp

    Filesize

    64KB

  • memory/4820-92-0x000002046E8B0000-0x000002046E8C0000-memory.dmp

    Filesize

    64KB

  • memory/4820-106-0x000002046E820000-0x000002046E830000-memory.dmp

    Filesize

    64KB

  • memory/4820-123-0x000002046E940000-0x000002046E950000-memory.dmp

    Filesize

    64KB

  • memory/4820-122-0x000002046E850000-0x000002046E860000-memory.dmp

    Filesize

    64KB

  • memory/4820-120-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-125-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-127-0x000002046E860000-0x000002046E870000-memory.dmp

    Filesize

    64KB

  • memory/4820-129-0x000002046E960000-0x000002046E970000-memory.dmp

    Filesize

    64KB

  • memory/4820-128-0x000002046E950000-0x000002046E960000-memory.dmp

    Filesize

    64KB

  • memory/4820-132-0x000002046E880000-0x000002046E890000-memory.dmp

    Filesize

    64KB

  • memory/4820-133-0x000002046E970000-0x000002046E980000-memory.dmp

    Filesize

    64KB

  • memory/4820-131-0x000002046E870000-0x000002046E880000-memory.dmp

    Filesize

    64KB

  • memory/4820-136-0x000002046E980000-0x000002046E990000-memory.dmp

    Filesize

    64KB

  • memory/4820-135-0x000002046E890000-0x000002046E8A0000-memory.dmp

    Filesize

    64KB

  • memory/4820-138-0x000002046E8A0000-0x000002046E8B0000-memory.dmp

    Filesize

    64KB

  • memory/4820-139-0x000002046E8B0000-0x000002046E8C0000-memory.dmp

    Filesize

    64KB

  • memory/4820-140-0x000002046E990000-0x000002046E9A0000-memory.dmp

    Filesize

    64KB

  • memory/4820-143-0x000002046E8C0000-0x000002046E8D0000-memory.dmp

    Filesize

    64KB

  • memory/4820-144-0x000002046E9A0000-0x000002046E9B0000-memory.dmp

    Filesize

    64KB

  • memory/4820-146-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-147-0x000002046E8D0000-0x000002046E8E0000-memory.dmp

    Filesize

    64KB

  • memory/4820-149-0x000002046E9B0000-0x000002046E9C0000-memory.dmp

    Filesize

    64KB

  • memory/4820-148-0x000002046E8E0000-0x000002046E8F0000-memory.dmp

    Filesize

    64KB

  • memory/4820-151-0x000002046E8F0000-0x000002046E900000-memory.dmp

    Filesize

    64KB

  • memory/4820-154-0x000002046E9C0000-0x000002046E9D0000-memory.dmp

    Filesize

    64KB

  • memory/4820-153-0x000002046E910000-0x000002046E920000-memory.dmp

    Filesize

    64KB

  • memory/4820-152-0x000002046E900000-0x000002046E910000-memory.dmp

    Filesize

    64KB

  • memory/4820-155-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-160-0x000002046E920000-0x000002046E930000-memory.dmp

    Filesize

    64KB

  • memory/4820-161-0x000002046E9D0000-0x000002046E9E0000-memory.dmp

    Filesize

    64KB

  • memory/4820-163-0x000002046E930000-0x000002046E940000-memory.dmp

    Filesize

    64KB

  • memory/4820-164-0x000002046E9E0000-0x000002046E9F0000-memory.dmp

    Filesize

    64KB

  • memory/4820-168-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-174-0x000002046E940000-0x000002046E950000-memory.dmp

    Filesize

    64KB

  • memory/4820-181-0x000002046EA00000-0x000002046EA10000-memory.dmp

    Filesize

    64KB

  • memory/4820-180-0x000002046E9F0000-0x000002046EA00000-memory.dmp

    Filesize

    64KB

  • memory/4820-179-0x000002046E960000-0x000002046E970000-memory.dmp

    Filesize

    64KB

  • memory/4820-177-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-178-0x000002046E950000-0x000002046E960000-memory.dmp

    Filesize

    64KB

  • memory/4820-108-0x000002046E900000-0x000002046E910000-memory.dmp

    Filesize

    64KB

  • memory/4820-185-0x000002046E710000-0x000002046E720000-memory.dmp

    Filesize

    64KB

  • memory/4820-17-0x000002046E720000-0x000002046E730000-memory.dmp

    Filesize

    64KB

  • memory/4820-15-0x000002046E710000-0x000002046E720000-memory.dmp

    Filesize

    64KB

  • memory/4820-14-0x000002046E700000-0x000002046E710000-memory.dmp

    Filesize

    64KB

  • memory/4820-11-0x000002046CC20000-0x000002046CC21000-memory.dmp

    Filesize

    4KB

  • memory/4820-2-0x000002046E490000-0x000002046E700000-memory.dmp

    Filesize

    2.4MB

  • memory/4820-184-0x000002046E700000-0x000002046E710000-memory.dmp

    Filesize

    64KB

  • memory/4820-183-0x000002046E770000-0x000002046E780000-memory.dmp

    Filesize

    64KB

  • memory/4820-186-0x000002046E720000-0x000002046E730000-memory.dmp

    Filesize

    64KB

  • memory/4820-188-0x000002046E740000-0x000002046E750000-memory.dmp

    Filesize

    64KB

  • memory/4820-187-0x000002046E730000-0x000002046E740000-memory.dmp

    Filesize

    64KB