Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 22:05

General

  • Target

    PO-92283987282 pdf.jar

  • Size

    400KB

  • MD5

    aa5384253eff90e812152002ccf1490f

  • SHA1

    02499adac9172fd05023ae8952ebbb99506fe8e2

  • SHA256

    b4a2023140db8262381afc84a52b07c56de4caf859a46f594dc9ac472eacea8d

  • SHA512

    81d5e2c2c91398ee61fe07d7186157d2230cb9b175d33711de794fc232999f07f5161e40710e3ac60d6118ee20a9fcf68ba310dc1213403a6f1db39d4a948866

  • SSDEEP

    12288:anVWHTa54XP/Dlcjv7D3BTu7cjZP9iN6d:aVSTa5a+vxrP9Qk

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\PO-92283987282 pdf.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PO-92283987282 pdf.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:720
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-92283987282 pdf.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4264
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-92283987282 pdf.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:548
      • 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\PO-92283987282 pdf.jar"
        3⤵
        • Loads dropped DLL
        PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    a5ddaf7cd9e6aa19dda972b6391fef3f

    SHA1

    2d791656c9b26023ecefec926e9c480e055e930c

    SHA256

    9fa55942feda40c133f3aa84a9804bfb859567336040b8ae28c819217e53be1c

    SHA512

    e504a3cbcc1e42b0f5ee9181b4b4b6e043c05e75bd7511883f121e5461f634b50157d751594e33152517f6ddfce176fdce5ba93483560297953ba74a9296f299

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

    Filesize

    46B

    MD5

    de4fd32ac988008601e2c12ab104d5dd

    SHA1

    c67cc7a43d471a707ca4d96f4d58f411f9673865

    SHA256

    3678f0b2567eed3cea5af36d409289d3cb060a9b131e0662cfc2495d9e7085be

    SHA512

    c6e2a7e14ca44323920e5d7ae2690c08546195d355ff04cca65cb59d085e2e4513e3df0fc8a3a8aeac2eaa18aee1af4ead3ee0c28e5f0261ab32671c4d1047f8

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7994284811913797937.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-47134698-4092160662-1261813102-1000\83aa4cc77f591dfc2374580bbd95f6ba_58a5be6a-fbdc-4fe6-8f93-5aa44c9d3351

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\PO-92283987282 pdf.jar

    Filesize

    400KB

    MD5

    aa5384253eff90e812152002ccf1490f

    SHA1

    02499adac9172fd05023ae8952ebbb99506fe8e2

    SHA256

    b4a2023140db8262381afc84a52b07c56de4caf859a46f594dc9ac472eacea8d

    SHA512

    81d5e2c2c91398ee61fe07d7186157d2230cb9b175d33711de794fc232999f07f5161e40710e3ac60d6118ee20a9fcf68ba310dc1213403a6f1db39d4a948866

  • 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/720-286-0x0000023BBB260000-0x0000023BBB261000-memory.dmp

    Filesize

    4KB

  • memory/720-238-0x0000023BBB260000-0x0000023BBB261000-memory.dmp

    Filesize

    4KB

  • memory/2228-332-0x000002A1B9470000-0x000002A1B9471000-memory.dmp

    Filesize

    4KB

  • memory/3836-97-0x000002759B380000-0x000002759B390000-memory.dmp

    Filesize

    64KB

  • memory/3836-47-0x000002759B290000-0x000002759B2A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-26-0x000002759B1F0000-0x000002759B200000-memory.dmp

    Filesize

    64KB

  • memory/3836-30-0x000002759B220000-0x000002759B230000-memory.dmp

    Filesize

    64KB

  • memory/3836-111-0x000002759B290000-0x000002759B2A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-42-0x000002759B270000-0x000002759B280000-memory.dmp

    Filesize

    64KB

  • memory/3836-41-0x000002759B260000-0x000002759B270000-memory.dmp

    Filesize

    64KB

  • memory/3836-43-0x000002759B280000-0x000002759B290000-memory.dmp

    Filesize

    64KB

  • memory/3836-40-0x000002759B250000-0x000002759B260000-memory.dmp

    Filesize

    64KB

  • memory/3836-39-0x000002759B240000-0x000002759B250000-memory.dmp

    Filesize

    64KB

  • memory/3836-38-0x000002759B230000-0x000002759B240000-memory.dmp

    Filesize

    64KB

  • memory/3836-112-0x000002759B3D0000-0x000002759B3E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-46-0x000002759B190000-0x000002759B1A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-45-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-56-0x000002759B2A0000-0x000002759B2B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-58-0x000002759B2C0000-0x000002759B2D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-57-0x000002759B2B0000-0x000002759B2C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-55-0x000002759B1A0000-0x000002759B1B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-61-0x000002759B2D0000-0x000002759B2E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-60-0x000002759B1B0000-0x000002759B1C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-72-0x000002759B320000-0x000002759B330000-memory.dmp

    Filesize

    64KB

  • memory/3836-71-0x000002759B310000-0x000002759B320000-memory.dmp

    Filesize

    64KB

  • memory/3836-70-0x000002759B300000-0x000002759B310000-memory.dmp

    Filesize

    64KB

  • memory/3836-78-0x000002759B340000-0x000002759B350000-memory.dmp

    Filesize

    64KB

  • memory/3836-77-0x000002759B330000-0x000002759B340000-memory.dmp

    Filesize

    64KB

  • memory/3836-76-0x000002759B1D0000-0x000002759B1E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-69-0x000002759B2F0000-0x000002759B300000-memory.dmp

    Filesize

    64KB

  • memory/3836-68-0x000002759B2E0000-0x000002759B2F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-67-0x000002759B1C0000-0x000002759B1D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-81-0x000002759B1E0000-0x000002759B1F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-83-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-82-0x000002759B350000-0x000002759B360000-memory.dmp

    Filesize

    64KB

  • memory/3836-85-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-86-0x000002759B1F0000-0x000002759B200000-memory.dmp

    Filesize

    64KB

  • memory/3836-89-0x000002759B360000-0x000002759B370000-memory.dmp

    Filesize

    64KB

  • memory/3836-88-0x000002759B210000-0x000002759B220000-memory.dmp

    Filesize

    64KB

  • memory/3836-87-0x000002759B200000-0x000002759B210000-memory.dmp

    Filesize

    64KB

  • memory/3836-100-0x000002759B230000-0x000002759B240000-memory.dmp

    Filesize

    64KB

  • memory/3836-117-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-103-0x000002759B260000-0x000002759B270000-memory.dmp

    Filesize

    64KB

  • memory/3836-102-0x000002759B3A0000-0x000002759B3B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-101-0x000002759B240000-0x000002759B250000-memory.dmp

    Filesize

    64KB

  • memory/3836-99-0x000002759B250000-0x000002759B260000-memory.dmp

    Filesize

    64KB

  • memory/3836-98-0x000002759B390000-0x000002759B3A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-28-0x000002759B210000-0x000002759B220000-memory.dmp

    Filesize

    64KB

  • memory/3836-96-0x000002759B370000-0x000002759B380000-memory.dmp

    Filesize

    64KB

  • memory/3836-95-0x000002759B220000-0x000002759B230000-memory.dmp

    Filesize

    64KB

  • memory/3836-108-0x000002759B280000-0x000002759B290000-memory.dmp

    Filesize

    64KB

  • memory/3836-110-0x000002759B3C0000-0x000002759B3D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-109-0x000002759B3B0000-0x000002759B3C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-37-0x000002759AF20000-0x000002759B190000-memory.dmp

    Filesize

    2.4MB

  • memory/3836-27-0x000002759B200000-0x000002759B210000-memory.dmp

    Filesize

    64KB

  • memory/3836-104-0x000002759B270000-0x000002759B280000-memory.dmp

    Filesize

    64KB

  • memory/3836-120-0x000002759B2B0000-0x000002759B2C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-119-0x000002759B2A0000-0x000002759B2B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-122-0x000002759B3E0000-0x000002759B3F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-121-0x000002759B2C0000-0x000002759B2D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-124-0x000002759B2D0000-0x000002759B2E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-125-0x000002759B3F0000-0x000002759B400000-memory.dmp

    Filesize

    64KB

  • memory/3836-127-0x000002759B2E0000-0x000002759B2F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-130-0x000002759B310000-0x000002759B320000-memory.dmp

    Filesize

    64KB

  • memory/3836-132-0x000002759B400000-0x000002759B410000-memory.dmp

    Filesize

    64KB

  • memory/3836-131-0x000002759B320000-0x000002759B330000-memory.dmp

    Filesize

    64KB

  • memory/3836-129-0x000002759B300000-0x000002759B310000-memory.dmp

    Filesize

    64KB

  • memory/3836-128-0x000002759B2F0000-0x000002759B300000-memory.dmp

    Filesize

    64KB

  • memory/3836-136-0x000002759B340000-0x000002759B350000-memory.dmp

    Filesize

    64KB

  • memory/3836-137-0x000002759B410000-0x000002759B420000-memory.dmp

    Filesize

    64KB

  • memory/3836-134-0x000002759B330000-0x000002759B340000-memory.dmp

    Filesize

    64KB

  • memory/3836-139-0x000002759B420000-0x000002759B430000-memory.dmp

    Filesize

    64KB

  • memory/3836-138-0x000002759B350000-0x000002759B360000-memory.dmp

    Filesize

    64KB

  • memory/3836-142-0x000002759B360000-0x000002759B370000-memory.dmp

    Filesize

    64KB

  • memory/3836-143-0x000002759B430000-0x000002759B440000-memory.dmp

    Filesize

    64KB

  • memory/3836-145-0x000002759B370000-0x000002759B380000-memory.dmp

    Filesize

    64KB

  • memory/3836-146-0x000002759B380000-0x000002759B390000-memory.dmp

    Filesize

    64KB

  • memory/3836-148-0x000002759B440000-0x000002759B450000-memory.dmp

    Filesize

    64KB

  • memory/3836-147-0x000002759B390000-0x000002759B3A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-150-0x000002759B3A0000-0x000002759B3B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-151-0x000002759B450000-0x000002759B460000-memory.dmp

    Filesize

    64KB

  • memory/3836-152-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-157-0x000002759B3B0000-0x000002759B3C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-159-0x000002759B460000-0x000002759B470000-memory.dmp

    Filesize

    64KB

  • memory/3836-158-0x000002759B3C0000-0x000002759B3D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-162-0x000002759B470000-0x000002759B480000-memory.dmp

    Filesize

    64KB

  • memory/3836-161-0x000002759B3D0000-0x000002759B3E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-165-0x0000027599700000-0x0000027599701000-memory.dmp

    Filesize

    4KB

  • memory/3836-171-0x000002759B480000-0x000002759B490000-memory.dmp

    Filesize

    64KB

  • memory/3836-170-0x000002759B3E0000-0x000002759B3F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-172-0x000002759B3F0000-0x000002759B400000-memory.dmp

    Filesize

    64KB

  • memory/3836-173-0x000002759B400000-0x000002759B410000-memory.dmp

    Filesize

    64KB

  • memory/3836-181-0x000002759B410000-0x000002759B420000-memory.dmp

    Filesize

    64KB

  • memory/3836-182-0x000002759B490000-0x000002759B4A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-22-0x000002759B1E0000-0x000002759B1F0000-memory.dmp

    Filesize

    64KB

  • memory/3836-20-0x000002759B1D0000-0x000002759B1E0000-memory.dmp

    Filesize

    64KB

  • memory/3836-18-0x000002759B1C0000-0x000002759B1D0000-memory.dmp

    Filesize

    64KB

  • memory/3836-16-0x000002759B1B0000-0x000002759B1C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-13-0x000002759B190000-0x000002759B1A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-14-0x000002759B1A0000-0x000002759B1B0000-memory.dmp

    Filesize

    64KB

  • memory/3836-2-0x000002759AF20000-0x000002759B190000-memory.dmp

    Filesize

    2.4MB

  • memory/3836-185-0x000002759B190000-0x000002759B1A0000-memory.dmp

    Filesize

    64KB

  • memory/3836-188-0x000002759B1B0000-0x000002759B1C0000-memory.dmp

    Filesize

    64KB

  • memory/3836-186-0x000002759AF20000-0x000002759B190000-memory.dmp

    Filesize

    2.4MB

  • memory/3836-184-0x000002759B1A0000-0x000002759B1B0000-memory.dmp

    Filesize

    64KB