Analysis

  • max time kernel
    298s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 15:43

General

  • Target

    20012025_1543_19012025_Proforma A503.jar

  • Size

    263KB

  • MD5

    835fdde38be5b121f3b2a56eb368b360

  • SHA1

    336b5bb4ce70453e796dad0c27aa3c195c735fcc

  • SHA256

    56d4a754c102a6fd1efaa3cf6887360b6c5f6590971c29180e0e851c5aeef1f6

  • SHA512

    6413e75745366606ac440ef126d0bcb57ba158b3419e2faa261cbde5071dd4c009496c61560b3badacd0aca1e72140a437ea63dc4c8dbff10ca63bb05e3efcbf

  • SSDEEP

    3072:cuoa3eQ4jnnB/gKjkJVt+fbZudV53lhq2TxZBX4L0vmlWLlHkZtwibQGdf7GSk:RDEd/Bj0+TQd1hbTn54L0vuWOX7MYS

Malware Config

Extracted

Family

strrat

C2

www.kposlifestyle.design :1980

127.0.0.1:1980

Attributes
  • license_id

    0801-GRBL-SUN9-LG8M-2C9C

  • 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\20012025_1543_19012025_Proforma A503.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\20012025_1543_19012025_Proforma A503.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4036
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20012025_1543_19012025_Proforma A503.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3212
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\20012025_1543_19012025_Proforma A503.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3592
      • 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\20012025_1543_19012025_Proforma A503.jar"
        3⤵
        • Loads dropped DLL
        PID:432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    875ffe91f13b705c9757974b4d04c18c

    SHA1

    7f820a22b2f704f0e42da461444706e70733198a

    SHA256

    48d68bcfaed25273522d27bdcd53a6cd4a87b42a9daf36f111d63aac1beea81b

    SHA512

    1e920469c152d1444b9f3b30acd13b04554104fe76472ec60663c64faef67fe15b244a3ed96bd32e3485be3153ab8e13eb50c3eb02fc091f9e673018d3a07065

  • C:\Users\Admin\20012025_1543_19012025_Proforma A503.jar

    Filesize

    263KB

    MD5

    835fdde38be5b121f3b2a56eb368b360

    SHA1

    336b5bb4ce70453e796dad0c27aa3c195c735fcc

    SHA256

    56d4a754c102a6fd1efaa3cf6887360b6c5f6590971c29180e0e851c5aeef1f6

    SHA512

    6413e75745366606ac440ef126d0bcb57ba158b3419e2faa261cbde5071dd4c009496c61560b3badacd0aca1e72140a437ea63dc4c8dbff10ca63bb05e3efcbf

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna9160205909922893852.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-940901362-3608833189-1915618603-1000\83aa4cc77f591dfc2374580bbd95f6ba_f2cdb6fb-4ab8-4547-9f25-fad1f7a44351

    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/432-255-0x0000022588390000-0x0000022588391000-memory.dmp

    Filesize

    4KB

  • memory/4036-210-0x000002CC0F400000-0x000002CC0F401000-memory.dmp

    Filesize

    4KB

  • memory/4988-102-0x000001F4E8D80000-0x000001F4E8D90000-memory.dmp

    Filesize

    64KB

  • memory/4988-36-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-26-0x000001F4E8CD0000-0x000001F4E8CE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-28-0x000001F4E8CE0000-0x000001F4E8CF0000-memory.dmp

    Filesize

    64KB

  • memory/4988-110-0x000001F4E8E40000-0x000001F4E8E50000-memory.dmp

    Filesize

    64KB

  • memory/4988-41-0x000001F4E8D00000-0x000001F4E8D10000-memory.dmp

    Filesize

    64KB

  • memory/4988-40-0x000001F4E8D10000-0x000001F4E8D20000-memory.dmp

    Filesize

    64KB

  • memory/4988-44-0x000001F4E8D20000-0x000001F4E8D30000-memory.dmp

    Filesize

    64KB

  • memory/4988-43-0x000001F4E8C70000-0x000001F4E8C80000-memory.dmp

    Filesize

    64KB

  • memory/4988-39-0x000001F4E8CF0000-0x000001F4E8D00000-memory.dmp

    Filesize

    64KB

  • memory/4988-38-0x000001F4E89F0000-0x000001F4E8C60000-memory.dmp

    Filesize

    2.4MB

  • memory/4988-112-0x000001F4E8DB0000-0x000001F4E8DC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-50-0x000001F4E8C90000-0x000001F4E8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-49-0x000001F4E8D40000-0x000001F4E8D50000-memory.dmp

    Filesize

    64KB

  • memory/4988-48-0x000001F4E8D30000-0x000001F4E8D40000-memory.dmp

    Filesize

    64KB

  • memory/4988-47-0x000001F4E8C80000-0x000001F4E8C90000-memory.dmp

    Filesize

    64KB

  • memory/4988-57-0x000001F4E8D60000-0x000001F4E8D70000-memory.dmp

    Filesize

    64KB

  • memory/4988-56-0x000001F4E8D50000-0x000001F4E8D60000-memory.dmp

    Filesize

    64KB

  • memory/4988-55-0x000001F4E8CB0000-0x000001F4E8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-54-0x000001F4E8CA0000-0x000001F4E8CB0000-memory.dmp

    Filesize

    64KB

  • memory/4988-60-0x000001F4E8D70000-0x000001F4E8D80000-memory.dmp

    Filesize

    64KB

  • memory/4988-59-0x000001F4E8CC0000-0x000001F4E8CD0000-memory.dmp

    Filesize

    64KB

  • memory/4988-63-0x000001F4E8CD0000-0x000001F4E8CE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-64-0x000001F4E8D80000-0x000001F4E8D90000-memory.dmp

    Filesize

    64KB

  • memory/4988-67-0x000001F4E8CE0000-0x000001F4E8CF0000-memory.dmp

    Filesize

    64KB

  • memory/4988-68-0x000001F4E8D90000-0x000001F4E8DA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-75-0x000001F4E8DA0000-0x000001F4E8DB0000-memory.dmp

    Filesize

    64KB

  • memory/4988-76-0x000001F4E8D00000-0x000001F4E8D10000-memory.dmp

    Filesize

    64KB

  • memory/4988-77-0x000001F4E8DB0000-0x000001F4E8DC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-74-0x000001F4E8D10000-0x000001F4E8D20000-memory.dmp

    Filesize

    64KB

  • memory/4988-73-0x000001F4E8CF0000-0x000001F4E8D00000-memory.dmp

    Filesize

    64KB

  • memory/4988-79-0x000001F4E8D20000-0x000001F4E8D30000-memory.dmp

    Filesize

    64KB

  • memory/4988-81-0x000001F4E8DC0000-0x000001F4E8DD0000-memory.dmp

    Filesize

    64KB

  • memory/4988-82-0x000001F4E8D30000-0x000001F4E8D40000-memory.dmp

    Filesize

    64KB

  • memory/4988-84-0x000001F4E8DD0000-0x000001F4E8DE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-83-0x000001F4E8D40000-0x000001F4E8D50000-memory.dmp

    Filesize

    64KB

  • memory/4988-91-0x000001F4E8D60000-0x000001F4E8D70000-memory.dmp

    Filesize

    64KB

  • memory/4988-90-0x000001F4E8D50000-0x000001F4E8D60000-memory.dmp

    Filesize

    64KB

  • memory/4988-113-0x000001F4E8E50000-0x000001F4E8E60000-memory.dmp

    Filesize

    64KB

  • memory/4988-89-0x000001F4E8DF0000-0x000001F4E8E00000-memory.dmp

    Filesize

    64KB

  • memory/4988-92-0x000001F4E8E00000-0x000001F4E8E10000-memory.dmp

    Filesize

    64KB

  • memory/4988-97-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-99-0x000001F4E8D70000-0x000001F4E8D80000-memory.dmp

    Filesize

    64KB

  • memory/4988-100-0x000001F4E8E10000-0x000001F4E8E20000-memory.dmp

    Filesize

    64KB

  • memory/4988-103-0x000001F4E8E20000-0x000001F4E8E30000-memory.dmp

    Filesize

    64KB

  • memory/4988-21-0x000001F4E8CA0000-0x000001F4E8CB0000-memory.dmp

    Filesize

    64KB

  • memory/4988-104-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-108-0x000001F4E8E30000-0x000001F4E8E40000-memory.dmp

    Filesize

    64KB

  • memory/4988-107-0x000001F4E8DA0000-0x000001F4E8DB0000-memory.dmp

    Filesize

    64KB

  • memory/4988-106-0x000001F4E8D90000-0x000001F4E8DA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-42-0x000001F4E8C60000-0x000001F4E8C70000-memory.dmp

    Filesize

    64KB

  • memory/4988-24-0x000001F4E8CC0000-0x000001F4E8CD0000-memory.dmp

    Filesize

    64KB

  • memory/4988-88-0x000001F4E8DE0000-0x000001F4E8DF0000-memory.dmp

    Filesize

    64KB

  • memory/4988-117-0x000001F4E8E60000-0x000001F4E8E70000-memory.dmp

    Filesize

    64KB

  • memory/4988-116-0x000001F4E8DC0000-0x000001F4E8DD0000-memory.dmp

    Filesize

    64KB

  • memory/4988-118-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-124-0x000001F4E8E70000-0x000001F4E8E80000-memory.dmp

    Filesize

    64KB

  • memory/4988-123-0x000001F4E8DD0000-0x000001F4E8DE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-127-0x000001F4E8DF0000-0x000001F4E8E00000-memory.dmp

    Filesize

    64KB

  • memory/4988-128-0x000001F4E8E80000-0x000001F4E8E90000-memory.dmp

    Filesize

    64KB

  • memory/4988-126-0x000001F4E8DE0000-0x000001F4E8DF0000-memory.dmp

    Filesize

    64KB

  • memory/4988-130-0x000001F4E8E90000-0x000001F4E8EA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-137-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-138-0x000001F4E8E00000-0x000001F4E8E10000-memory.dmp

    Filesize

    64KB

  • memory/4988-140-0x000001F4E8E10000-0x000001F4E8E20000-memory.dmp

    Filesize

    64KB

  • memory/4988-141-0x000001F4E8E20000-0x000001F4E8E30000-memory.dmp

    Filesize

    64KB

  • memory/4988-144-0x000001F4E89D0000-0x000001F4E89D1000-memory.dmp

    Filesize

    4KB

  • memory/4988-149-0x000001F4E8C90000-0x000001F4E8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-148-0x000001F4E8C80000-0x000001F4E8C90000-memory.dmp

    Filesize

    64KB

  • memory/4988-147-0x000001F4E8C70000-0x000001F4E8C80000-memory.dmp

    Filesize

    64KB

  • memory/4988-146-0x000001F4E8C60000-0x000001F4E8C70000-memory.dmp

    Filesize

    64KB

  • memory/4988-145-0x000001F4E8D00000-0x000001F4E8D10000-memory.dmp

    Filesize

    64KB

  • memory/4988-155-0x000001F4E8CF0000-0x000001F4E8D00000-memory.dmp

    Filesize

    64KB

  • memory/4988-156-0x000001F4E8D10000-0x000001F4E8D20000-memory.dmp

    Filesize

    64KB

  • memory/4988-173-0x000001F4E8E70000-0x000001F4E8E80000-memory.dmp

    Filesize

    64KB

  • memory/4988-172-0x000001F4E8E60000-0x000001F4E8E70000-memory.dmp

    Filesize

    64KB

  • memory/4988-171-0x000001F4E8E50000-0x000001F4E8E60000-memory.dmp

    Filesize

    64KB

  • memory/4988-170-0x000001F4E8E40000-0x000001F4E8E50000-memory.dmp

    Filesize

    64KB

  • memory/4988-169-0x000001F4E8E30000-0x000001F4E8E40000-memory.dmp

    Filesize

    64KB

  • memory/4988-168-0x000001F4E8DD0000-0x000001F4E8DE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-167-0x000001F4E8DA0000-0x000001F4E8DB0000-memory.dmp

    Filesize

    64KB

  • memory/4988-166-0x000001F4E8DB0000-0x000001F4E8DC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-165-0x000001F4E8D90000-0x000001F4E8DA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-164-0x000001F4E8D80000-0x000001F4E8D90000-memory.dmp

    Filesize

    64KB

  • memory/4988-157-0x000001F4E89F0000-0x000001F4E8C60000-memory.dmp

    Filesize

    2.4MB

  • memory/4988-163-0x000001F4E8D70000-0x000001F4E8D80000-memory.dmp

    Filesize

    64KB

  • memory/4988-162-0x000001F4E8D60000-0x000001F4E8D70000-memory.dmp

    Filesize

    64KB

  • memory/4988-161-0x000001F4E8D50000-0x000001F4E8D60000-memory.dmp

    Filesize

    64KB

  • memory/4988-160-0x000001F4E8D40000-0x000001F4E8D50000-memory.dmp

    Filesize

    64KB

  • memory/4988-159-0x000001F4E8D30000-0x000001F4E8D40000-memory.dmp

    Filesize

    64KB

  • memory/4988-158-0x000001F4E8D20000-0x000001F4E8D30000-memory.dmp

    Filesize

    64KB

  • memory/4988-154-0x000001F4E8CE0000-0x000001F4E8CF0000-memory.dmp

    Filesize

    64KB

  • memory/4988-22-0x000001F4E8CB0000-0x000001F4E8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-17-0x000001F4E8C80000-0x000001F4E8C90000-memory.dmp

    Filesize

    64KB

  • memory/4988-19-0x000001F4E8C90000-0x000001F4E8CA0000-memory.dmp

    Filesize

    64KB

  • memory/4988-14-0x000001F4E8C70000-0x000001F4E8C80000-memory.dmp

    Filesize

    64KB

  • memory/4988-12-0x000001F4E8C60000-0x000001F4E8C70000-memory.dmp

    Filesize

    64KB

  • memory/4988-2-0x000001F4E89F0000-0x000001F4E8C60000-memory.dmp

    Filesize

    2.4MB

  • memory/4988-153-0x000001F4E8CD0000-0x000001F4E8CE0000-memory.dmp

    Filesize

    64KB

  • memory/4988-152-0x000001F4E8CC0000-0x000001F4E8CD0000-memory.dmp

    Filesize

    64KB

  • memory/4988-151-0x000001F4E8CB0000-0x000001F4E8CC0000-memory.dmp

    Filesize

    64KB

  • memory/4988-150-0x000001F4E8CA0000-0x000001F4E8CB0000-memory.dmp

    Filesize

    64KB