Analysis

  • max time kernel
    242s
  • max time network
    255s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-07-2024 19:38

General

  • Target

    62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar

  • Size

    275KB

  • MD5

    3c39f5d219ff8006dbab0ce247bf7232

  • SHA1

    39d19e5df70bdaa97afdf80c0ac8cbec2bb9625f

  • SHA256

    62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470

  • SHA512

    5ca723aa2ee65799180897bd263d9403aec2890e0f4d8d453b4be555f88e4223915e454e991e3d3d98b1b7f4fa388bbe947193249b2e78c2e90db38455d8ce74

  • SSDEEP

    6144:DYoXFR4xZ+WStJ112liBt9+CNyELmhzPlZCiu4nVB:DvDikmlG+CM1TlZC+VB

Malware Config

Extracted

Family

strrat

C2

185.222.58.80:7688

127.0.0.1:0

Attributes
  • license_id

    6XKE-02Q8-MHKN-IOHS-FMRJ

  • 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.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 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 10 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\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:4584
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:360
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:500
      • 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\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar"
        3⤵
        • Loads dropped DLL
        PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    0237eadc592ed4fe08634102724ad239

    SHA1

    2382e75c36fe18a3f04d56d9a354c55dbda2177e

    SHA256

    873aaa5333a3f928cef75de3538e942f3737476f4e7805fcd979b1ed07034a12

    SHA512

    bd875ad280e1f384ef44931aa4389e65c465dcfe51cec803d934c2a5c28c1dcf6d3509843ca9476de1c182432a22f80116a3f9eeeb95aac198f564497d553d25

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

    Filesize

    46B

    MD5

    617fbce14a8ad49ba056f7406761a527

    SHA1

    8d356efe19a731c1595e65a813152296c0fa7f79

    SHA256

    f7eabe406c10ebcb9d36a31b7306af5fbf7ff437c20e24fff737204506dab19e

    SHA512

    f5d1b3df66e3cdc0b52385899bd05527c774db89b3eafe527606a2129c946c60e2e8003a94f373f8c3127fa4f48ce1014816755e586961687c4118be410fe9de

  • C:\Users\Admin\62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470.jar

    Filesize

    275KB

    MD5

    3c39f5d219ff8006dbab0ce247bf7232

    SHA1

    39d19e5df70bdaa97afdf80c0ac8cbec2bb9625f

    SHA256

    62271ce84033d4463bd6f753675466f45ccc6c3a063c78c2c5b0346c23d3c470

    SHA512

    5ca723aa2ee65799180897bd263d9403aec2890e0f4d8d453b4be555f88e4223915e454e991e3d3d98b1b7f4fa388bbe947193249b2e78c2e90db38455d8ce74

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1687926120-3022217735-1146543763-1000\83aa4cc77f591dfc2374580bbd95f6ba_ae202211-6e17-4cac-b8d2-d431e54ee209

    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

  • \Users\Admin\AppData\Local\Temp\jna-63116079\jna3321732518026510804.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • memory/1580-105-0x000002AB82BE0000-0x000002AB82BF0000-memory.dmp

    Filesize

    64KB

  • memory/1580-40-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-22-0x000002AB82A50000-0x000002AB82A60000-memory.dmp

    Filesize

    64KB

  • memory/1580-25-0x000002AB82A70000-0x000002AB82A80000-memory.dmp

    Filesize

    64KB

  • memory/1580-29-0x000002AB82A90000-0x000002AB82AA0000-memory.dmp

    Filesize

    64KB

  • memory/1580-28-0x000002AB82A80000-0x000002AB82A90000-memory.dmp

    Filesize

    64KB

  • memory/1580-35-0x000002AB82AA0000-0x000002AB82AB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-113-0x000002AB82C00000-0x000002AB82C10000-memory.dmp

    Filesize

    64KB

  • memory/1580-38-0x000002AB82AB0000-0x000002AB82AC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-42-0x000002AB827A0000-0x000002AB82A10000-memory.dmp

    Filesize

    2.4MB

  • memory/1580-45-0x000002AB82A10000-0x000002AB82A20000-memory.dmp

    Filesize

    64KB

  • memory/1580-44-0x000002AB82AD0000-0x000002AB82AE0000-memory.dmp

    Filesize

    64KB

  • memory/1580-43-0x000002AB82AC0000-0x000002AB82AD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-49-0x000002AB82AF0000-0x000002AB82B00000-memory.dmp

    Filesize

    64KB

  • memory/1580-48-0x000002AB82AE0000-0x000002AB82AF0000-memory.dmp

    Filesize

    64KB

  • memory/1580-47-0x000002AB82A20000-0x000002AB82A30000-memory.dmp

    Filesize

    64KB

  • memory/1580-52-0x000002AB82A30000-0x000002AB82A40000-memory.dmp

    Filesize

    64KB

  • memory/1580-54-0x000002AB82B10000-0x000002AB82B20000-memory.dmp

    Filesize

    64KB

  • memory/1580-53-0x000002AB82B00000-0x000002AB82B10000-memory.dmp

    Filesize

    64KB

  • memory/1580-57-0x000002AB82B20000-0x000002AB82B30000-memory.dmp

    Filesize

    64KB

  • memory/1580-56-0x000002AB82A40000-0x000002AB82A50000-memory.dmp

    Filesize

    64KB

  • memory/1580-63-0x000002AB82B30000-0x000002AB82B40000-memory.dmp

    Filesize

    64KB

  • memory/1580-62-0x000002AB82A60000-0x000002AB82A70000-memory.dmp

    Filesize

    64KB

  • memory/1580-61-0x000002AB82A50000-0x000002AB82A60000-memory.dmp

    Filesize

    64KB

  • memory/1580-67-0x000002AB82A70000-0x000002AB82A80000-memory.dmp

    Filesize

    64KB

  • memory/1580-69-0x000002AB82B40000-0x000002AB82B50000-memory.dmp

    Filesize

    64KB

  • memory/1580-71-0x000002AB82A80000-0x000002AB82A90000-memory.dmp

    Filesize

    64KB

  • memory/1580-77-0x000002AB82AB0000-0x000002AB82AC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-76-0x000002AB82AA0000-0x000002AB82AB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-75-0x000002AB82B60000-0x000002AB82B70000-memory.dmp

    Filesize

    64KB

  • memory/1580-74-0x000002AB82B50000-0x000002AB82B60000-memory.dmp

    Filesize

    64KB

  • memory/1580-73-0x000002AB82A90000-0x000002AB82AA0000-memory.dmp

    Filesize

    64KB

  • memory/1580-80-0x000002AB82B70000-0x000002AB82B80000-memory.dmp

    Filesize

    64KB

  • memory/1580-83-0x000002AB82B80000-0x000002AB82B90000-memory.dmp

    Filesize

    64KB

  • memory/1580-82-0x000002AB82AC0000-0x000002AB82AD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-85-0x000002AB82AD0000-0x000002AB82AE0000-memory.dmp

    Filesize

    64KB

  • memory/1580-86-0x000002AB82B90000-0x000002AB82BA0000-memory.dmp

    Filesize

    64KB

  • memory/1580-93-0x000002AB82BC0000-0x000002AB82BD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-92-0x000002AB82BB0000-0x000002AB82BC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-91-0x000002AB82BA0000-0x000002AB82BB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-90-0x000002AB82AF0000-0x000002AB82B00000-memory.dmp

    Filesize

    64KB

  • memory/1580-89-0x000002AB82AE0000-0x000002AB82AF0000-memory.dmp

    Filesize

    64KB

  • memory/1580-98-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-100-0x000002AB82B00000-0x000002AB82B10000-memory.dmp

    Filesize

    64KB

  • memory/1580-101-0x000002AB82B10000-0x000002AB82B20000-memory.dmp

    Filesize

    64KB

  • memory/1580-102-0x000002AB82BD0000-0x000002AB82BE0000-memory.dmp

    Filesize

    64KB

  • memory/1580-104-0x000002AB82B20000-0x000002AB82B30000-memory.dmp

    Filesize

    64KB

  • memory/1580-19-0x000002AB82A40000-0x000002AB82A50000-memory.dmp

    Filesize

    64KB

  • memory/1580-112-0x000002AB82B40000-0x000002AB82B50000-memory.dmp

    Filesize

    64KB

  • memory/1580-109-0x000002AB82BF0000-0x000002AB82C00000-memory.dmp

    Filesize

    64KB

  • memory/1580-140-0x000002AB82C60000-0x000002AB82C70000-memory.dmp

    Filesize

    64KB

  • memory/1580-23-0x000002AB82A60000-0x000002AB82A70000-memory.dmp

    Filesize

    64KB

  • memory/1580-107-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-116-0x000002AB82C10000-0x000002AB82C20000-memory.dmp

    Filesize

    64KB

  • memory/1580-115-0x000002AB82B50000-0x000002AB82B60000-memory.dmp

    Filesize

    64KB

  • memory/1580-114-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-120-0x000002AB82C20000-0x000002AB82C30000-memory.dmp

    Filesize

    64KB

  • memory/1580-119-0x000002AB82B60000-0x000002AB82B70000-memory.dmp

    Filesize

    64KB

  • memory/1580-123-0x000002AB82C30000-0x000002AB82C40000-memory.dmp

    Filesize

    64KB

  • memory/1580-122-0x000002AB82B70000-0x000002AB82B80000-memory.dmp

    Filesize

    64KB

  • memory/1580-125-0x000002AB82B80000-0x000002AB82B90000-memory.dmp

    Filesize

    64KB

  • memory/1580-126-0x000002AB82C40000-0x000002AB82C50000-memory.dmp

    Filesize

    64KB

  • memory/1580-128-0x000002AB82B90000-0x000002AB82BA0000-memory.dmp

    Filesize

    64KB

  • memory/1580-129-0x000002AB82C50000-0x000002AB82C60000-memory.dmp

    Filesize

    64KB

  • memory/1580-130-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-137-0x000002AB82BA0000-0x000002AB82BB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-108-0x000002AB82B30000-0x000002AB82B40000-memory.dmp

    Filesize

    64KB

  • memory/1580-139-0x000002AB82BC0000-0x000002AB82BD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-138-0x000002AB82BB0000-0x000002AB82BC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-143-0x000002AB80EE0000-0x000002AB80EE1000-memory.dmp

    Filesize

    4KB

  • memory/1580-147-0x000002AB82BD0000-0x000002AB82BE0000-memory.dmp

    Filesize

    64KB

  • memory/1580-157-0x000002AB82A70000-0x000002AB82A80000-memory.dmp

    Filesize

    64KB

  • memory/1580-156-0x000002AB82A60000-0x000002AB82A70000-memory.dmp

    Filesize

    64KB

  • memory/1580-176-0x000002AB82BF0000-0x000002AB82C00000-memory.dmp

    Filesize

    64KB

  • memory/1580-175-0x000002AB82BE0000-0x000002AB82BF0000-memory.dmp

    Filesize

    64KB

  • memory/1580-174-0x000002AB82BC0000-0x000002AB82BD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-173-0x000002AB82BB0000-0x000002AB82BC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-172-0x000002AB82BA0000-0x000002AB82BB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-171-0x000002AB82B80000-0x000002AB82B90000-memory.dmp

    Filesize

    64KB

  • memory/1580-170-0x000002AB82A90000-0x000002AB82AA0000-memory.dmp

    Filesize

    64KB

  • memory/1580-169-0x000002AB82B40000-0x000002AB82B50000-memory.dmp

    Filesize

    64KB

  • memory/1580-168-0x000002AB82B30000-0x000002AB82B40000-memory.dmp

    Filesize

    64KB

  • memory/1580-167-0x000002AB82B20000-0x000002AB82B30000-memory.dmp

    Filesize

    64KB

  • memory/1580-166-0x000002AB82B10000-0x000002AB82B20000-memory.dmp

    Filesize

    64KB

  • memory/1580-165-0x000002AB82B00000-0x000002AB82B10000-memory.dmp

    Filesize

    64KB

  • memory/1580-164-0x000002AB82AF0000-0x000002AB82B00000-memory.dmp

    Filesize

    64KB

  • memory/1580-163-0x000002AB82AE0000-0x000002AB82AF0000-memory.dmp

    Filesize

    64KB

  • memory/1580-162-0x000002AB827A0000-0x000002AB82A10000-memory.dmp

    Filesize

    2.4MB

  • memory/1580-161-0x000002AB82AB0000-0x000002AB82AC0000-memory.dmp

    Filesize

    64KB

  • memory/1580-160-0x000002AB82AC0000-0x000002AB82AD0000-memory.dmp

    Filesize

    64KB

  • memory/1580-159-0x000002AB82AA0000-0x000002AB82AB0000-memory.dmp

    Filesize

    64KB

  • memory/1580-158-0x000002AB82A80000-0x000002AB82A90000-memory.dmp

    Filesize

    64KB

  • memory/1580-155-0x000002AB82A50000-0x000002AB82A60000-memory.dmp

    Filesize

    64KB

  • memory/1580-154-0x000002AB82A40000-0x000002AB82A50000-memory.dmp

    Filesize

    64KB

  • memory/1580-17-0x000002AB82A30000-0x000002AB82A40000-memory.dmp

    Filesize

    64KB

  • memory/1580-153-0x000002AB82A30000-0x000002AB82A40000-memory.dmp

    Filesize

    64KB

  • memory/1580-152-0x000002AB82A20000-0x000002AB82A30000-memory.dmp

    Filesize

    64KB

  • memory/1580-151-0x000002AB82A10000-0x000002AB82A20000-memory.dmp

    Filesize

    64KB

  • memory/1580-150-0x000002AB82AD0000-0x000002AB82AE0000-memory.dmp

    Filesize

    64KB

  • memory/1580-2-0x000002AB827A0000-0x000002AB82A10000-memory.dmp

    Filesize

    2.4MB

  • memory/1580-15-0x000002AB82A20000-0x000002AB82A30000-memory.dmp

    Filesize

    64KB

  • memory/1580-13-0x000002AB82A10000-0x000002AB82A20000-memory.dmp

    Filesize

    64KB

  • memory/2748-260-0x000001D93AF40000-0x000001D93AF41000-memory.dmp

    Filesize

    4KB

  • memory/4492-224-0x000002D01F8C0000-0x000002D01F8C1000-memory.dmp

    Filesize

    4KB