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
    18-07-2024 15:46

General

  • Target

    3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar

  • Size

    400KB

  • MD5

    863973f0d6b66b27bdb617c57a956b42

  • SHA1

    477b46c19bccc5143a71e057c0240a4ea87ca391

  • SHA256

    3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1

  • SHA512

    18148d1f0bc7059e0e3a24ef58ce46780e62ed6ddf01e044c0c23594c6a7c82046faafdfdc5803644fe08ac670bed31bd2efcab654498a51d8beda0f832f8800

  • SSDEEP

    12288:SBjSHT45m51JD5A1v7V355qjcVJP9iNe9:StWT45weBpDP9Qk

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\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4844
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3776
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3284
      • 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\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar"
        3⤵
        • Loads dropped DLL
        PID:632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46B

    MD5

    ccff25972e306c8cd493078c1f687c01

    SHA1

    592df095e819c7a36b369a11b4767a00aa131a22

    SHA256

    73953c10c64fa010ba8835bae9932e5176a5be2911348bd50a83b63c416df20d

    SHA512

    63004d0dde8f421af46ddc299030145881155ee815004e77b3c74be9b98445b2c71f6fd706189d577bea69c582194c5853e77d47979db9a26abf5cd8de543a2e

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

    Filesize

    46B

    MD5

    6246ee51e1c0dfb00c50ab12573f83c9

    SHA1

    28ba6d314953027f49b9520933fa422b7c62e3b0

    SHA256

    58b512ad3a79b775f47fcf15634cf7671c8afe92626473b65b1d7a0a4574f4ae

    SHA512

    5009d92620f573594b74b78c2a501b5158c7bb78af852f2edf09c40c16b1c31fee48e5cb829ba2b494f0de5509480ee31c4dbc181b6974150b9f2ce5dfdabf06

  • C:\Users\Admin\3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1.jar

    Filesize

    400KB

    MD5

    863973f0d6b66b27bdb617c57a956b42

    SHA1

    477b46c19bccc5143a71e057c0240a4ea87ca391

    SHA256

    3a2d31eb696b7d885e6e9ca633bddd2672950f65d8349577ecb44413366571d1

    SHA512

    18148d1f0bc7059e0e3a24ef58ce46780e62ed6ddf01e044c0c23594c6a7c82046faafdfdc5803644fe08ac670bed31bd2efcab654498a51d8beda0f832f8800

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6758326408637745170.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1705699165-553239100-4129523827-1000\83aa4cc77f591dfc2374580bbd95f6ba_26cbe02e-c538-45f2-be7b-5c1ca47e55b2

    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/632-344-0x000001ACBD3A0000-0x000001ACBD3A1000-memory.dmp

    Filesize

    4KB

  • memory/4308-110-0x000001A800470000-0x000001A800480000-memory.dmp

    Filesize

    64KB

  • memory/4308-175-0x000001A800270000-0x000001A800280000-memory.dmp

    Filesize

    64KB

  • memory/4308-24-0x000001A8002C0000-0x000001A8002D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-26-0x000001A8002D0000-0x000001A8002E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-27-0x000001A8002E0000-0x000001A8002F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-29-0x000001A8002F0000-0x000001A800300000-memory.dmp

    Filesize

    64KB

  • memory/4308-32-0x000001A800300000-0x000001A800310000-memory.dmp

    Filesize

    64KB

  • memory/4308-38-0x000001A800320000-0x000001A800330000-memory.dmp

    Filesize

    64KB

  • memory/4308-37-0x000001A800330000-0x000001A800340000-memory.dmp

    Filesize

    64KB

  • memory/4308-36-0x000001A800310000-0x000001A800320000-memory.dmp

    Filesize

    64KB

  • memory/4308-40-0x000001A800340000-0x000001A800350000-memory.dmp

    Filesize

    64KB

  • memory/4308-42-0x000001A800350000-0x000001A800360000-memory.dmp

    Filesize

    64KB

  • memory/4308-41-0x000001A800000000-0x000001A800270000-memory.dmp

    Filesize

    2.4MB

  • memory/4308-45-0x000001A800360000-0x000001A800370000-memory.dmp

    Filesize

    64KB

  • memory/4308-44-0x000001A800270000-0x000001A800280000-memory.dmp

    Filesize

    64KB

  • memory/4308-53-0x000001A800370000-0x000001A800380000-memory.dmp

    Filesize

    64KB

  • memory/4308-52-0x000001A800290000-0x000001A8002A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-51-0x000001A800280000-0x000001A800290000-memory.dmp

    Filesize

    64KB

  • memory/4308-57-0x000001A800380000-0x000001A800390000-memory.dmp

    Filesize

    64KB

  • memory/4308-56-0x000001A8002A0000-0x000001A8002B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-61-0x000001A800390000-0x000001A8003A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-60-0x000001A8002C0000-0x000001A8002D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-59-0x000001A8002B0000-0x000001A8002C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-58-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-64-0x000001A8002D0000-0x000001A8002E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-65-0x000001A8002E0000-0x000001A8002F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-66-0x000001A8003A0000-0x000001A8003B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-69-0x000001A8002F0000-0x000001A800300000-memory.dmp

    Filesize

    64KB

  • memory/4308-72-0x000001A8003D0000-0x000001A8003E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-75-0x000001A800300000-0x000001A800310000-memory.dmp

    Filesize

    64KB

  • memory/4308-76-0x000001A8003E0000-0x000001A8003F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-71-0x000001A8003C0000-0x000001A8003D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-70-0x000001A8003B0000-0x000001A8003C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-78-0x000001A800310000-0x000001A800320000-memory.dmp

    Filesize

    64KB

  • memory/4308-81-0x000001A8003F0000-0x000001A800400000-memory.dmp

    Filesize

    64KB

  • memory/4308-80-0x000001A800320000-0x000001A800330000-memory.dmp

    Filesize

    64KB

  • memory/4308-79-0x000001A800330000-0x000001A800340000-memory.dmp

    Filesize

    64KB

  • memory/4308-85-0x000001A800400000-0x000001A800410000-memory.dmp

    Filesize

    64KB

  • memory/4308-84-0x000001A800340000-0x000001A800350000-memory.dmp

    Filesize

    64KB

  • memory/4308-87-0x000001A800350000-0x000001A800360000-memory.dmp

    Filesize

    64KB

  • memory/4308-88-0x000001A800410000-0x000001A800420000-memory.dmp

    Filesize

    64KB

  • memory/4308-89-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-90-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-94-0x000001A800420000-0x000001A800430000-memory.dmp

    Filesize

    64KB

  • memory/4308-93-0x000001A800360000-0x000001A800370000-memory.dmp

    Filesize

    64KB

  • memory/4308-103-0x000001A800460000-0x000001A800470000-memory.dmp

    Filesize

    64KB

  • memory/4308-20-0x000001A8002A0000-0x000001A8002B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-109-0x000001A800380000-0x000001A800390000-memory.dmp

    Filesize

    64KB

  • memory/4308-115-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-118-0x000001A800390000-0x000001A8003A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-119-0x000001A8004A0000-0x000001A8004B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-116-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-101-0x000001A800440000-0x000001A800450000-memory.dmp

    Filesize

    64KB

  • memory/4308-23-0x000001A8002B0000-0x000001A8002C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-180-0x000001A8002C0000-0x000001A8002D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-108-0x000001A800490000-0x000001A8004A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-102-0x000001A800450000-0x000001A800460000-memory.dmp

    Filesize

    64KB

  • memory/4308-100-0x000001A800430000-0x000001A800440000-memory.dmp

    Filesize

    64KB

  • memory/4308-99-0x000001A800370000-0x000001A800380000-memory.dmp

    Filesize

    64KB

  • memory/4308-107-0x000001A800480000-0x000001A800490000-memory.dmp

    Filesize

    64KB

  • memory/4308-125-0x000001A8003B0000-0x000001A8003C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-128-0x000001A8004C0000-0x000001A8004D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-126-0x000001A8003C0000-0x000001A8003D0000-memory.dmp

    Filesize

    64KB

  • memory/4308-130-0x000001A8004D0000-0x000001A8004E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-129-0x000001A8003E0000-0x000001A8003F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-127-0x000001A8003D0000-0x000001A8003E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-133-0x000001A8004E0000-0x000001A8004F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-132-0x000001A8003F0000-0x000001A800400000-memory.dmp

    Filesize

    64KB

  • memory/4308-135-0x000001A800400000-0x000001A800410000-memory.dmp

    Filesize

    64KB

  • memory/4308-136-0x000001A8004F0000-0x000001A800500000-memory.dmp

    Filesize

    64KB

  • memory/4308-139-0x000001A800500000-0x000001A800510000-memory.dmp

    Filesize

    64KB

  • memory/4308-138-0x000001A800410000-0x000001A800420000-memory.dmp

    Filesize

    64KB

  • memory/4308-143-0x000001A800510000-0x000001A800520000-memory.dmp

    Filesize

    64KB

  • memory/4308-142-0x000001A800460000-0x000001A800470000-memory.dmp

    Filesize

    64KB

  • memory/4308-141-0x000001A800420000-0x000001A800430000-memory.dmp

    Filesize

    64KB

  • memory/4308-144-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-150-0x000001A800430000-0x000001A800440000-memory.dmp

    Filesize

    64KB

  • memory/4308-151-0x000001A800440000-0x000001A800450000-memory.dmp

    Filesize

    64KB

  • memory/4308-155-0x000001A800520000-0x000001A800530000-memory.dmp

    Filesize

    64KB

  • memory/4308-154-0x000001A800490000-0x000001A8004A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-153-0x000001A800480000-0x000001A800490000-memory.dmp

    Filesize

    64KB

  • memory/4308-152-0x000001A800450000-0x000001A800460000-memory.dmp

    Filesize

    64KB

  • memory/4308-157-0x000001A800470000-0x000001A800480000-memory.dmp

    Filesize

    64KB

  • memory/4308-158-0x000001A800530000-0x000001A800540000-memory.dmp

    Filesize

    64KB

  • memory/4308-161-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4308-163-0x000001A8004A0000-0x000001A8004B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-164-0x000001A800540000-0x000001A800550000-memory.dmp

    Filesize

    64KB

  • memory/4308-170-0x000001A8004B0000-0x000001A8004C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-174-0x000001A800000000-0x000001A800270000-memory.dmp

    Filesize

    2.4MB

  • memory/4308-182-0x000001A8002E0000-0x000001A8002F0000-memory.dmp

    Filesize

    64KB

  • memory/4308-184-0x000001A800300000-0x000001A800310000-memory.dmp

    Filesize

    64KB

  • memory/4308-183-0x000001A8002F0000-0x000001A800300000-memory.dmp

    Filesize

    64KB

  • memory/4308-181-0x000001A8002D0000-0x000001A8002E0000-memory.dmp

    Filesize

    64KB

  • memory/4308-122-0x000001A8004B0000-0x000001A8004C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-179-0x000001A8002B0000-0x000001A8002C0000-memory.dmp

    Filesize

    64KB

  • memory/4308-17-0x000001A800290000-0x000001A8002A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-178-0x000001A8002A0000-0x000001A8002B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-177-0x000001A800290000-0x000001A8002A0000-memory.dmp

    Filesize

    64KB

  • memory/4308-176-0x000001A800280000-0x000001A800290000-memory.dmp

    Filesize

    64KB

  • memory/4308-121-0x000001A8003A0000-0x000001A8003B0000-memory.dmp

    Filesize

    64KB

  • memory/4308-2-0x000001A800000000-0x000001A800270000-memory.dmp

    Filesize

    2.4MB

  • memory/4308-16-0x000001A800280000-0x000001A800290000-memory.dmp

    Filesize

    64KB

  • memory/4308-14-0x000001A800270000-0x000001A800280000-memory.dmp

    Filesize

    64KB

  • memory/4308-11-0x000001A873DD0000-0x000001A873DD1000-memory.dmp

    Filesize

    4KB

  • memory/4844-228-0x0000023764E20000-0x0000023764E21000-memory.dmp

    Filesize

    4KB