Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 06:34

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:952
    • 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:4760
      • 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:5068
        • 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:2384
      • 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:1564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    bc29e3cf819a883c37a67dc3d6ce9e80

    SHA1

    486311da99cdd9530b0a9841554c2e02699743b4

    SHA256

    668cba552229ef3fc770c12d26e830edef641a772c1b0f3458ade8d9117b8be2

    SHA512

    d53c19182f218b2a76e646017415b41ea9aa0d6c225196c310af230b21f85b3ae537608984926f1413223e6df58daace9cf1092463d7fca030ee1d51363fd8c7

  • 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\jna1200551954852756710.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4050598569-1597076380-177084960-1000\83aa4cc77f591dfc2374580bbd95f6ba_cca0d105-8260-4611-8c12-bd85a7208b9f

    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/952-102-0x000002430B610000-0x000002430B620000-memory.dmp

    Filesize

    64KB

  • memory/952-63-0x000002430B5B0000-0x000002430B5C0000-memory.dmp

    Filesize

    64KB

  • memory/952-21-0x000002430B560000-0x000002430B570000-memory.dmp

    Filesize

    64KB

  • memory/952-24-0x000002430B580000-0x000002430B590000-memory.dmp

    Filesize

    64KB

  • memory/952-27-0x000002430B590000-0x000002430B5A0000-memory.dmp

    Filesize

    64KB

  • memory/952-29-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-31-0x000002430B5B0000-0x000002430B5C0000-memory.dmp

    Filesize

    64KB

  • memory/952-33-0x000002430B2B0000-0x000002430B520000-memory.dmp

    Filesize

    2.4MB

  • memory/952-30-0x000002430B5A0000-0x000002430B5B0000-memory.dmp

    Filesize

    64KB

  • memory/952-39-0x000002430B5C0000-0x000002430B5D0000-memory.dmp

    Filesize

    64KB

  • memory/952-38-0x000002430B520000-0x000002430B530000-memory.dmp

    Filesize

    64KB

  • memory/952-42-0x000002430B5D0000-0x000002430B5E0000-memory.dmp

    Filesize

    64KB

  • memory/952-41-0x000002430B530000-0x000002430B540000-memory.dmp

    Filesize

    64KB

  • memory/952-44-0x000002430B540000-0x000002430B550000-memory.dmp

    Filesize

    64KB

  • memory/952-45-0x000002430B5E0000-0x000002430B5F0000-memory.dmp

    Filesize

    64KB

  • memory/952-49-0x000002430B5F0000-0x000002430B600000-memory.dmp

    Filesize

    64KB

  • memory/952-111-0x000002430B640000-0x000002430B650000-memory.dmp

    Filesize

    64KB

  • memory/952-52-0x000002430B600000-0x000002430B610000-memory.dmp

    Filesize

    64KB

  • memory/952-51-0x000002430B570000-0x000002430B580000-memory.dmp

    Filesize

    64KB

  • memory/952-50-0x000002430B560000-0x000002430B570000-memory.dmp

    Filesize

    64KB

  • memory/952-55-0x000002430B610000-0x000002430B620000-memory.dmp

    Filesize

    64KB

  • memory/952-57-0x000002430B620000-0x000002430B630000-memory.dmp

    Filesize

    64KB

  • memory/952-56-0x000002430B580000-0x000002430B590000-memory.dmp

    Filesize

    64KB

  • memory/952-60-0x000002430B630000-0x000002430B640000-memory.dmp

    Filesize

    64KB

  • memory/952-59-0x000002430B590000-0x000002430B5A0000-memory.dmp

    Filesize

    64KB

  • memory/952-64-0x000002430B640000-0x000002430B650000-memory.dmp

    Filesize

    64KB

  • memory/952-114-0x000002430B650000-0x000002430B660000-memory.dmp

    Filesize

    64KB

  • memory/952-62-0x000002430B5A0000-0x000002430B5B0000-memory.dmp

    Filesize

    64KB

  • memory/952-68-0x000002430B650000-0x000002430B660000-memory.dmp

    Filesize

    64KB

  • memory/952-69-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-71-0x000002430B5C0000-0x000002430B5D0000-memory.dmp

    Filesize

    64KB

  • memory/952-72-0x000002430B660000-0x000002430B670000-memory.dmp

    Filesize

    64KB

  • memory/952-77-0x000002430B670000-0x000002430B680000-memory.dmp

    Filesize

    64KB

  • memory/952-76-0x000002430B5D0000-0x000002430B5E0000-memory.dmp

    Filesize

    64KB

  • memory/952-91-0x000002430B5F0000-0x000002430B600000-memory.dmp

    Filesize

    64KB

  • memory/952-90-0x000002430B6D0000-0x000002430B6E0000-memory.dmp

    Filesize

    64KB

  • memory/952-89-0x000002430B6C0000-0x000002430B6D0000-memory.dmp

    Filesize

    64KB

  • memory/952-88-0x000002430B6B0000-0x000002430B6C0000-memory.dmp

    Filesize

    64KB

  • memory/952-87-0x000002430B6A0000-0x000002430B6B0000-memory.dmp

    Filesize

    64KB

  • memory/952-86-0x000002430B690000-0x000002430B6A0000-memory.dmp

    Filesize

    64KB

  • memory/952-85-0x000002430B680000-0x000002430B690000-memory.dmp

    Filesize

    64KB

  • memory/952-84-0x000002430B5E0000-0x000002430B5F0000-memory.dmp

    Filesize

    64KB

  • memory/952-96-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-98-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-100-0x000002430B6E0000-0x000002430B6F0000-memory.dmp

    Filesize

    64KB

  • memory/952-99-0x000002430B600000-0x000002430B610000-memory.dmp

    Filesize

    64KB

  • memory/952-103-0x000002430B6F0000-0x000002430B700000-memory.dmp

    Filesize

    64KB

  • memory/952-18-0x000002430B550000-0x000002430B560000-memory.dmp

    Filesize

    64KB

  • memory/952-106-0x000002430B700000-0x000002430B710000-memory.dmp

    Filesize

    64KB

  • memory/952-105-0x000002430B620000-0x000002430B630000-memory.dmp

    Filesize

    64KB

  • memory/952-108-0x000002430B630000-0x000002430B640000-memory.dmp

    Filesize

    64KB

  • memory/952-109-0x000002430B710000-0x000002430B720000-memory.dmp

    Filesize

    64KB

  • memory/952-47-0x000002430B550000-0x000002430B560000-memory.dmp

    Filesize

    64KB

  • memory/952-2-0x000002430B2B0000-0x000002430B520000-memory.dmp

    Filesize

    2.4MB

  • memory/952-22-0x000002430B570000-0x000002430B580000-memory.dmp

    Filesize

    64KB

  • memory/952-115-0x000002430B730000-0x000002430B740000-memory.dmp

    Filesize

    64KB

  • memory/952-117-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-122-0x000002430B740000-0x000002430B750000-memory.dmp

    Filesize

    64KB

  • memory/952-121-0x000002430B660000-0x000002430B670000-memory.dmp

    Filesize

    64KB

  • memory/952-126-0x000002430B670000-0x000002430B680000-memory.dmp

    Filesize

    64KB

  • memory/952-127-0x000002430B750000-0x000002430B760000-memory.dmp

    Filesize

    64KB

  • memory/952-135-0x000002430B760000-0x000002430B770000-memory.dmp

    Filesize

    64KB

  • memory/952-134-0x000002430B6D0000-0x000002430B6E0000-memory.dmp

    Filesize

    64KB

  • memory/952-133-0x000002430B6C0000-0x000002430B6D0000-memory.dmp

    Filesize

    64KB

  • memory/952-132-0x000002430B6B0000-0x000002430B6C0000-memory.dmp

    Filesize

    64KB

  • memory/952-131-0x000002430B6A0000-0x000002430B6B0000-memory.dmp

    Filesize

    64KB

  • memory/952-130-0x000002430B690000-0x000002430B6A0000-memory.dmp

    Filesize

    64KB

  • memory/952-129-0x000002430B680000-0x000002430B690000-memory.dmp

    Filesize

    64KB

  • memory/952-138-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-139-0x000002430B770000-0x000002430B780000-memory.dmp

    Filesize

    64KB

  • memory/952-142-0x0000024309980000-0x0000024309981000-memory.dmp

    Filesize

    4KB

  • memory/952-143-0x000002430B6E0000-0x000002430B6F0000-memory.dmp

    Filesize

    64KB

  • memory/952-145-0x000002430B6F0000-0x000002430B700000-memory.dmp

    Filesize

    64KB

  • memory/952-146-0x000002430B780000-0x000002430B790000-memory.dmp

    Filesize

    64KB

  • memory/952-148-0x000002430B700000-0x000002430B710000-memory.dmp

    Filesize

    64KB

  • memory/952-149-0x000002430B710000-0x000002430B720000-memory.dmp

    Filesize

    64KB

  • memory/952-150-0x000002430B720000-0x000002430B730000-memory.dmp

    Filesize

    64KB

  • memory/952-151-0x000002430B730000-0x000002430B740000-memory.dmp

    Filesize

    64KB

  • memory/952-154-0x000002430B740000-0x000002430B750000-memory.dmp

    Filesize

    64KB

  • memory/952-155-0x000002430B750000-0x000002430B760000-memory.dmp

    Filesize

    64KB

  • memory/952-160-0x000002430B2B0000-0x000002430B520000-memory.dmp

    Filesize

    2.4MB

  • memory/952-178-0x000002430B660000-0x000002430B670000-memory.dmp

    Filesize

    64KB

  • memory/952-177-0x000002430B650000-0x000002430B660000-memory.dmp

    Filesize

    64KB

  • memory/952-176-0x000002430B620000-0x000002430B630000-memory.dmp

    Filesize

    64KB

  • memory/952-175-0x000002430B600000-0x000002430B610000-memory.dmp

    Filesize

    64KB

  • memory/952-174-0x000002430B5F0000-0x000002430B600000-memory.dmp

    Filesize

    64KB

  • memory/952-173-0x000002430B5E0000-0x000002430B5F0000-memory.dmp

    Filesize

    64KB

  • memory/952-172-0x000002430B5D0000-0x000002430B5E0000-memory.dmp

    Filesize

    64KB

  • memory/952-171-0x000002430B5C0000-0x000002430B5D0000-memory.dmp

    Filesize

    64KB

  • memory/952-170-0x000002430B5B0000-0x000002430B5C0000-memory.dmp

    Filesize

    64KB

  • memory/952-169-0x000002430B5A0000-0x000002430B5B0000-memory.dmp

    Filesize

    64KB

  • memory/952-168-0x000002430B590000-0x000002430B5A0000-memory.dmp

    Filesize

    64KB

  • memory/952-167-0x000002430B580000-0x000002430B590000-memory.dmp

    Filesize

    64KB

  • memory/952-166-0x000002430B570000-0x000002430B580000-memory.dmp

    Filesize

    64KB

  • memory/952-165-0x000002430B560000-0x000002430B570000-memory.dmp

    Filesize

    64KB

  • memory/952-16-0x000002430B540000-0x000002430B550000-memory.dmp

    Filesize

    64KB

  • memory/952-164-0x000002430B550000-0x000002430B560000-memory.dmp

    Filesize

    64KB

  • memory/952-163-0x000002430B540000-0x000002430B550000-memory.dmp

    Filesize

    64KB

  • memory/952-162-0x000002430B530000-0x000002430B540000-memory.dmp

    Filesize

    64KB

  • memory/952-161-0x000002430B520000-0x000002430B530000-memory.dmp

    Filesize

    64KB

  • memory/952-112-0x000002430B720000-0x000002430B730000-memory.dmp

    Filesize

    64KB

  • memory/952-14-0x000002430B530000-0x000002430B540000-memory.dmp

    Filesize

    64KB

  • memory/952-13-0x000002430B520000-0x000002430B530000-memory.dmp

    Filesize

    64KB

  • memory/1564-291-0x000001D64A340000-0x000001D64A341000-memory.dmp

    Filesize

    4KB

  • memory/1564-297-0x000001D64A340000-0x000001D64A341000-memory.dmp

    Filesize

    4KB

  • memory/4760-242-0x00000201A4090000-0x00000201A4091000-memory.dmp

    Filesize

    4KB