Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 13:00

General

  • Target

    PO24002292.jar

  • Size

    265KB

  • MD5

    e8ddb75a282aee7eb4eecf0c74e36d85

  • SHA1

    e0d5be98174944955b5021319fc4d75272384e18

  • SHA256

    a469607d0cf5285e85bd4faff17cb1f393ea6d8f6002a99536c189b669681763

  • SHA512

    0e8846ed48d38ca442780fadf68766af3f32ab2304028371e8cc66af808dd2cb3f49921a4d9e69d01f89574307f18c0185c111f3f24e9411a76bec82c9c6a6af

  • SSDEEP

    3072:a4yl5XE8QSJVqqOsBUJKI0sJ+JeRMfGPx0XFYf0ADJApUTWj3HKzRfJce+XvTD/:aVDZmqOaI0sJqGMfnFYf0ADJA+TWOzO3

Malware Config

Extracted

Family

strrat

C2

badmiles.ddns.net:5055

Attributes
  • license_id

    4OI0-V4TA-Z8G4-WQF1-B9VH

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

Signatures

  • STRRAT

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

  • Strrat family
  • Drops startup file 1 IoCs
  • 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\PO24002292.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PO24002292.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO24002292.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:964
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO24002292.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4716
      • 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\PO24002292.jar"
        3⤵
        • Loads dropped DLL
        PID:648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna588061711866096825.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3350944739-639801879-157714471-1000\83aa4cc77f591dfc2374580bbd95f6ba_dd2803c7-d377-4f06-bdfe-aea230fc7b0e

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\PO24002292.jar

    Filesize

    265KB

    MD5

    e8ddb75a282aee7eb4eecf0c74e36d85

    SHA1

    e0d5be98174944955b5021319fc4d75272384e18

    SHA256

    a469607d0cf5285e85bd4faff17cb1f393ea6d8f6002a99536c189b669681763

    SHA512

    0e8846ed48d38ca442780fadf68766af3f32ab2304028371e8cc66af808dd2cb3f49921a4d9e69d01f89574307f18c0185c111f3f24e9411a76bec82c9c6a6af

  • 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/648-151-0x000001A02B040000-0x000001A02B041000-memory.dmp

    Filesize

    4KB

  • memory/3476-105-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/3476-114-0x0000024B430B0000-0x0000024B430B1000-memory.dmp

    Filesize

    4KB

  • memory/3476-124-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/3476-89-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/4452-59-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-85-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/4452-84-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-80-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/4452-79-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-70-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-65-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-2-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/4452-55-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-40-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-30-0x000001CB2BDB0000-0x000001CB2BDB1000-memory.dmp

    Filesize

    4KB

  • memory/4452-29-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB

  • memory/4452-13-0x00007FFFA7BC0000-0x00007FFFA7C5E000-memory.dmp

    Filesize

    632KB