Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 06:17

General

  • Target

    Telex-copy-pdf.jar

  • Size

    559KB

  • MD5

    3bef1c79ca4636a4eb92ee90367612d0

  • SHA1

    2cb346efa1cbb2a790cb31a12a3f88b0f3308cd8

  • SHA256

    9ea17585514dd3c67c40965ed9a96bddea86fcd903230ba306767cb313f7819b

  • SHA512

    174da7ac0a6b68b4751b55f46246864a0d123ae70ac7b41b77e108d30b771886dea5908b5a5291e61ed3f2a0a2b1de8e47a51891b3f0c6166f93ee17e0af6b72

  • SSDEEP

    12288:TFAfj3vraZP0fJwYfe42TAp4ZJRWJwI+B4LU71zh+cx9W:Gbv2ZMhBiWp6j1xU

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
  • 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\Telex-copy-pdf.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\Telex-copy-pdf.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Telex-copy-pdf.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4392
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Telex-copy-pdf.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4728
      • 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\Telex-copy-pdf.jar"
        3⤵
        • Loads dropped DLL
        PID:4508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7068796698922507634.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3227495264-2217614367-4027411560-1000\83aa4cc77f591dfc2374580bbd95f6ba_423fd5c7-8559-4b8c-bf1f-c9d05c9f0fd3

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\Telex-copy-pdf.jar

    Filesize

    559KB

    MD5

    3bef1c79ca4636a4eb92ee90367612d0

    SHA1

    2cb346efa1cbb2a790cb31a12a3f88b0f3308cd8

    SHA256

    9ea17585514dd3c67c40965ed9a96bddea86fcd903230ba306767cb313f7819b

    SHA512

    174da7ac0a6b68b4751b55f46246864a0d123ae70ac7b41b77e108d30b771886dea5908b5a5291e61ed3f2a0a2b1de8e47a51891b3f0c6166f93ee17e0af6b72

  • 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/3440-108-0x000001E4399C0000-0x000001E4399D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-29-0x000001E439910000-0x000001E439920000-memory.dmp

    Filesize

    64KB

  • memory/3440-20-0x000001E4398D0000-0x000001E4398E0000-memory.dmp

    Filesize

    64KB

  • memory/3440-22-0x000001E4398E0000-0x000001E4398F0000-memory.dmp

    Filesize

    64KB

  • memory/3440-25-0x000001E4398F0000-0x000001E439900000-memory.dmp

    Filesize

    64KB

  • memory/3440-26-0x000001E439900000-0x000001E439910000-memory.dmp

    Filesize

    64KB

  • memory/3440-30-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-92-0x000001E439A20000-0x000001E439A30000-memory.dmp

    Filesize

    64KB

  • memory/3440-31-0x000001E439620000-0x000001E439890000-memory.dmp

    Filesize

    2.4MB

  • memory/3440-32-0x000001E439920000-0x000001E439930000-memory.dmp

    Filesize

    64KB

  • memory/3440-42-0x000001E439950000-0x000001E439960000-memory.dmp

    Filesize

    64KB

  • memory/3440-41-0x000001E439930000-0x000001E439940000-memory.dmp

    Filesize

    64KB

  • memory/3440-46-0x000001E4398B0000-0x000001E4398C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-47-0x000001E439960000-0x000001E439970000-memory.dmp

    Filesize

    64KB

  • memory/3440-44-0x000001E439940000-0x000001E439950000-memory.dmp

    Filesize

    64KB

  • memory/3440-43-0x000001E4398A0000-0x000001E4398B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-38-0x000001E439890000-0x000001E4398A0000-memory.dmp

    Filesize

    64KB

  • memory/3440-51-0x000001E439970000-0x000001E439980000-memory.dmp

    Filesize

    64KB

  • memory/3440-50-0x000001E4398C0000-0x000001E4398D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-55-0x000001E439990000-0x000001E4399A0000-memory.dmp

    Filesize

    64KB

  • memory/3440-54-0x000001E439980000-0x000001E439990000-memory.dmp

    Filesize

    64KB

  • memory/3440-53-0x000001E4398D0000-0x000001E4398E0000-memory.dmp

    Filesize

    64KB

  • memory/3440-62-0x000001E439900000-0x000001E439910000-memory.dmp

    Filesize

    64KB

  • memory/3440-61-0x000001E4399B0000-0x000001E4399C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-60-0x000001E4399A0000-0x000001E4399B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-59-0x000001E4398F0000-0x000001E439900000-memory.dmp

    Filesize

    64KB

  • memory/3440-56-0x000001E4398E0000-0x000001E4398F0000-memory.dmp

    Filesize

    64KB

  • memory/3440-67-0x000001E4399C0000-0x000001E4399D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-66-0x000001E439910000-0x000001E439920000-memory.dmp

    Filesize

    64KB

  • memory/3440-68-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-72-0x000001E4399D0000-0x000001E4399E0000-memory.dmp

    Filesize

    64KB

  • memory/3440-71-0x000001E439920000-0x000001E439930000-memory.dmp

    Filesize

    64KB

  • memory/3440-78-0x000001E4399E0000-0x000001E4399F0000-memory.dmp

    Filesize

    64KB

  • memory/3440-77-0x000001E439950000-0x000001E439960000-memory.dmp

    Filesize

    64KB

  • memory/3440-76-0x000001E439930000-0x000001E439940000-memory.dmp

    Filesize

    64KB

  • memory/3440-81-0x000001E4399F0000-0x000001E439A00000-memory.dmp

    Filesize

    64KB

  • memory/3440-83-0x000001E439960000-0x000001E439970000-memory.dmp

    Filesize

    64KB

  • memory/3440-82-0x000001E439A00000-0x000001E439A10000-memory.dmp

    Filesize

    64KB

  • memory/3440-93-0x000001E439A30000-0x000001E439A40000-memory.dmp

    Filesize

    64KB

  • memory/3440-96-0x000001E4399B0000-0x000001E4399C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-95-0x000001E4399A0000-0x000001E4399B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-98-0x000001E439A50000-0x000001E439A60000-memory.dmp

    Filesize

    64KB

  • memory/3440-102-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-109-0x000001E439A60000-0x000001E439A70000-memory.dmp

    Filesize

    64KB

  • memory/3440-113-0x000001E4399E0000-0x000001E4399F0000-memory.dmp

    Filesize

    64KB

  • memory/3440-112-0x000001E4399D0000-0x000001E4399E0000-memory.dmp

    Filesize

    64KB

  • memory/3440-111-0x000001E439A80000-0x000001E439A90000-memory.dmp

    Filesize

    64KB

  • memory/3440-110-0x000001E439A70000-0x000001E439A80000-memory.dmp

    Filesize

    64KB

  • memory/3440-91-0x000001E439990000-0x000001E4399A0000-memory.dmp

    Filesize

    64KB

  • memory/3440-104-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-132-0x000001E439AE0000-0x000001E439AF0000-memory.dmp

    Filesize

    64KB

  • memory/3440-18-0x000001E4398C0000-0x000001E4398D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-16-0x000001E4398B0000-0x000001E4398C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-90-0x000001E439980000-0x000001E439990000-memory.dmp

    Filesize

    64KB

  • memory/3440-88-0x000001E439A10000-0x000001E439A20000-memory.dmp

    Filesize

    64KB

  • memory/3440-86-0x000001E439970000-0x000001E439980000-memory.dmp

    Filesize

    64KB

  • memory/3440-80-0x000001E439940000-0x000001E439950000-memory.dmp

    Filesize

    64KB

  • memory/3440-115-0x000001E439A90000-0x000001E439AA0000-memory.dmp

    Filesize

    64KB

  • memory/3440-117-0x000001E4399F0000-0x000001E439A00000-memory.dmp

    Filesize

    64KB

  • memory/3440-119-0x000001E439AA0000-0x000001E439AB0000-memory.dmp

    Filesize

    64KB

  • memory/3440-118-0x000001E439A00000-0x000001E439A10000-memory.dmp

    Filesize

    64KB

  • memory/3440-121-0x000001E439AB0000-0x000001E439AC0000-memory.dmp

    Filesize

    64KB

  • memory/3440-124-0x000001E439AC0000-0x000001E439AD0000-memory.dmp

    Filesize

    64KB

  • memory/3440-123-0x000001E439A10000-0x000001E439A20000-memory.dmp

    Filesize

    64KB

  • memory/3440-127-0x000001E439A20000-0x000001E439A30000-memory.dmp

    Filesize

    64KB

  • memory/3440-128-0x000001E439AD0000-0x000001E439AE0000-memory.dmp

    Filesize

    64KB

  • memory/3440-97-0x000001E439A40000-0x000001E439A50000-memory.dmp

    Filesize

    64KB

  • memory/3440-131-0x000001E439A40000-0x000001E439A50000-memory.dmp

    Filesize

    64KB

  • memory/3440-130-0x000001E439A30000-0x000001E439A40000-memory.dmp

    Filesize

    64KB

  • memory/3440-134-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-138-0x000001E439AF0000-0x000001E439B00000-memory.dmp

    Filesize

    64KB

  • memory/3440-144-0x000001E439A50000-0x000001E439A60000-memory.dmp

    Filesize

    64KB

  • memory/3440-143-0x000001E437C40000-0x000001E437C41000-memory.dmp

    Filesize

    4KB

  • memory/3440-148-0x000001E439A60000-0x000001E439A70000-memory.dmp

    Filesize

    64KB

  • memory/3440-149-0x000001E439A70000-0x000001E439A80000-memory.dmp

    Filesize

    64KB

  • memory/3440-150-0x000001E439A80000-0x000001E439A90000-memory.dmp

    Filesize

    64KB

  • memory/3440-154-0x000001E439B00000-0x000001E439B10000-memory.dmp

    Filesize

    64KB

  • memory/3440-153-0x000001E439A90000-0x000001E439AA0000-memory.dmp

    Filesize

    64KB

  • memory/3440-157-0x000001E439620000-0x000001E439890000-memory.dmp

    Filesize

    2.4MB

  • memory/3440-178-0x000001E4399C0000-0x000001E4399D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-177-0x000001E4399B0000-0x000001E4399C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-176-0x000001E4399A0000-0x000001E4399B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-175-0x000001E439990000-0x000001E4399A0000-memory.dmp

    Filesize

    64KB

  • memory/3440-174-0x000001E439A30000-0x000001E439A40000-memory.dmp

    Filesize

    64KB

  • memory/3440-173-0x000001E439970000-0x000001E439980000-memory.dmp

    Filesize

    64KB

  • memory/3440-172-0x000001E439960000-0x000001E439970000-memory.dmp

    Filesize

    64KB

  • memory/3440-171-0x000001E4398A0000-0x000001E4398B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-169-0x000001E439950000-0x000001E439960000-memory.dmp

    Filesize

    64KB

  • memory/3440-168-0x000001E439930000-0x000001E439940000-memory.dmp

    Filesize

    64KB

  • memory/3440-167-0x000001E439920000-0x000001E439930000-memory.dmp

    Filesize

    64KB

  • memory/3440-166-0x000001E439910000-0x000001E439920000-memory.dmp

    Filesize

    64KB

  • memory/3440-165-0x000001E439900000-0x000001E439910000-memory.dmp

    Filesize

    64KB

  • memory/3440-164-0x000001E4398F0000-0x000001E439900000-memory.dmp

    Filesize

    64KB

  • memory/3440-163-0x000001E4398E0000-0x000001E4398F0000-memory.dmp

    Filesize

    64KB

  • memory/3440-162-0x000001E4398D0000-0x000001E4398E0000-memory.dmp

    Filesize

    64KB

  • memory/3440-14-0x000001E4398A0000-0x000001E4398B0000-memory.dmp

    Filesize

    64KB

  • memory/3440-161-0x000001E4398C0000-0x000001E4398D0000-memory.dmp

    Filesize

    64KB

  • memory/3440-160-0x000001E4398B0000-0x000001E4398C0000-memory.dmp

    Filesize

    64KB

  • memory/3440-159-0x000001E439940000-0x000001E439950000-memory.dmp

    Filesize

    64KB

  • memory/3440-158-0x000001E439890000-0x000001E4398A0000-memory.dmp

    Filesize

    64KB

  • memory/3440-2-0x000001E439620000-0x000001E439890000-memory.dmp

    Filesize

    2.4MB

  • memory/3440-12-0x000001E439890000-0x000001E4398A0000-memory.dmp

    Filesize

    64KB

  • memory/4508-284-0x0000015643FD0000-0x0000015643FD1000-memory.dmp

    Filesize

    4KB

  • memory/4856-243-0x0000027199F10000-0x0000027199F11000-memory.dmp

    Filesize

    4KB