Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 07:15

General

  • Target

    PO2024-0961.jar

  • Size

    400KB

  • MD5

    4a0b95e278f0a59bcff16500edc25568

  • SHA1

    35bf164377b6cdb43551935404452283cf7e7b97

  • SHA256

    7dbd3729dd6c23e0329158520fa3cfcd3d78126f901aacad8a249a2166638fcc

  • SHA512

    b4ff765f14a1f4df43292b11ad03496f14affad5f918b2a2f36922c542ccda8e6eb000d418d7503aa5cfcd6b2c811a0995f9e63577a9ba5a168d9127b1a69e15

  • SSDEEP

    12288:GzZWHT+5Y3PDDh8Hv733p3KTcHVP9iNyom:GNST+5uabZHP9Qpm

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\PO2024-0961.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PO2024-0961.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4748
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO2024-0961.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO2024-0961.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4708
      • 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\PO2024-0961.jar"
        3⤵
        • Loads dropped DLL
        PID:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    dd7f57a9056f6c36e9b9a92d426e302b

    SHA1

    0c058ba8923ebf5ac4105d77a57f91558e61fbd6

    SHA256

    ade0426828557f164b243bb0dbf653b69e76d725fde07a703a97f4b7bad1b794

    SHA512

    854ed98da3ef3c734bbc482bd41f43c0b46cce5f0a753c836dd3540d680b0ed8a3aff606b42baca6983e753fd6e582663a6363395398afbf99b18bf63f65f7bf

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

    Filesize

    46B

    MD5

    997b9da0854eac8c45deec33c6e05811

    SHA1

    6d1868c6c746325a2928bbe96bc09b4758f1b088

    SHA256

    acb4bc81a3a44812118d6989d8e30963c90232e66a85d0a397f2b447b2ff01a1

    SHA512

    f6bac355aab3f49e47b4bae42ee072d08c59c0816ca814563890a0904aac43532424da82fd1cd0c5831d9ff705da6eee8743b148294e55bba80712b096ac2749

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8122871724772161273.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1750093773-264148664-1320403265-1000\83aa4cc77f591dfc2374580bbd95f6ba_46967d70-72aa-405b-b21a-7603bc5aaaad

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\PO2024-0961.jar

    Filesize

    400KB

    MD5

    4a0b95e278f0a59bcff16500edc25568

    SHA1

    35bf164377b6cdb43551935404452283cf7e7b97

    SHA256

    7dbd3729dd6c23e0329158520fa3cfcd3d78126f901aacad8a249a2166638fcc

    SHA512

    b4ff765f14a1f4df43292b11ad03496f14affad5f918b2a2f36922c542ccda8e6eb000d418d7503aa5cfcd6b2c811a0995f9e63577a9ba5a168d9127b1a69e15

  • 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/400-127-0x0000019916770000-0x0000019916780000-memory.dmp

    Filesize

    64KB

  • memory/400-31-0x0000019916420000-0x0000019916690000-memory.dmp

    Filesize

    2.4MB

  • memory/400-23-0x00000199166C0000-0x00000199166D0000-memory.dmp

    Filesize

    64KB

  • memory/400-26-0x00000199166D0000-0x00000199166E0000-memory.dmp

    Filesize

    64KB

  • memory/400-27-0x00000199166E0000-0x00000199166F0000-memory.dmp

    Filesize

    64KB

  • memory/400-194-0x00000199167B0000-0x00000199167C0000-memory.dmp

    Filesize

    64KB

  • memory/400-32-0x0000019916700000-0x0000019916710000-memory.dmp

    Filesize

    64KB

  • memory/400-156-0x0000019916850000-0x0000019916860000-memory.dmp

    Filesize

    64KB

  • memory/400-36-0x0000019916720000-0x0000019916730000-memory.dmp

    Filesize

    64KB

  • memory/400-35-0x0000019916710000-0x0000019916720000-memory.dmp

    Filesize

    64KB

  • memory/400-38-0x0000019916690000-0x00000199166A0000-memory.dmp

    Filesize

    64KB

  • memory/400-39-0x0000019916730000-0x0000019916740000-memory.dmp

    Filesize

    64KB

  • memory/400-41-0x00000199166A0000-0x00000199166B0000-memory.dmp

    Filesize

    64KB

  • memory/400-42-0x0000019916740000-0x0000019916750000-memory.dmp

    Filesize

    64KB

  • memory/400-44-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-48-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-52-0x00000199166B0000-0x00000199166C0000-memory.dmp

    Filesize

    64KB

  • memory/400-54-0x0000019916750000-0x0000019916760000-memory.dmp

    Filesize

    64KB

  • memory/400-59-0x0000019916760000-0x0000019916770000-memory.dmp

    Filesize

    64KB

  • memory/400-58-0x00000199166D0000-0x00000199166E0000-memory.dmp

    Filesize

    64KB

  • memory/400-62-0x0000019916780000-0x0000019916790000-memory.dmp

    Filesize

    64KB

  • memory/400-61-0x0000019916770000-0x0000019916780000-memory.dmp

    Filesize

    64KB

  • memory/400-57-0x00000199166C0000-0x00000199166D0000-memory.dmp

    Filesize

    64KB

  • memory/400-65-0x00000199166E0000-0x00000199166F0000-memory.dmp

    Filesize

    64KB

  • memory/400-66-0x0000019916790000-0x00000199167A0000-memory.dmp

    Filesize

    64KB

  • memory/400-69-0x00000199167A0000-0x00000199167B0000-memory.dmp

    Filesize

    64KB

  • memory/400-68-0x00000199166F0000-0x0000019916700000-memory.dmp

    Filesize

    64KB

  • memory/400-70-0x0000019916700000-0x0000019916710000-memory.dmp

    Filesize

    64KB

  • memory/400-71-0x00000199167B0000-0x00000199167C0000-memory.dmp

    Filesize

    64KB

  • memory/400-74-0x0000019916710000-0x0000019916720000-memory.dmp

    Filesize

    64KB

  • memory/400-76-0x00000199167D0000-0x00000199167E0000-memory.dmp

    Filesize

    64KB

  • memory/400-75-0x00000199167C0000-0x00000199167D0000-memory.dmp

    Filesize

    64KB

  • memory/400-79-0x0000019916720000-0x0000019916730000-memory.dmp

    Filesize

    64KB

  • memory/400-81-0x0000019916730000-0x0000019916740000-memory.dmp

    Filesize

    64KB

  • memory/400-82-0x00000199167F0000-0x0000019916800000-memory.dmp

    Filesize

    64KB

  • memory/400-80-0x00000199167E0000-0x00000199167F0000-memory.dmp

    Filesize

    64KB

  • memory/400-87-0x0000019916740000-0x0000019916750000-memory.dmp

    Filesize

    64KB

  • memory/400-88-0x0000019916800000-0x0000019916810000-memory.dmp

    Filesize

    64KB

  • memory/400-92-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-95-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-101-0x0000019916750000-0x0000019916760000-memory.dmp

    Filesize

    64KB

  • memory/400-103-0x0000019916810000-0x0000019916820000-memory.dmp

    Filesize

    64KB

  • memory/400-105-0x0000019916820000-0x0000019916830000-memory.dmp

    Filesize

    64KB

  • memory/400-104-0x0000019916760000-0x0000019916770000-memory.dmp

    Filesize

    64KB

  • memory/400-106-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-129-0x0000019916830000-0x0000019916840000-memory.dmp

    Filesize

    64KB

  • memory/400-128-0x0000019916780000-0x0000019916790000-memory.dmp

    Filesize

    64KB

  • memory/400-18-0x00000199166A0000-0x00000199166B0000-memory.dmp

    Filesize

    64KB

  • memory/400-139-0x0000019916840000-0x0000019916850000-memory.dmp

    Filesize

    64KB

  • memory/400-134-0x0000019916790000-0x00000199167A0000-memory.dmp

    Filesize

    64KB

  • memory/400-289-0x0000019916690000-0x00000199166A0000-memory.dmp

    Filesize

    64KB

  • memory/400-20-0x00000199166B0000-0x00000199166C0000-memory.dmp

    Filesize

    64KB

  • memory/400-30-0x00000199166F0000-0x0000019916700000-memory.dmp

    Filesize

    64KB

  • memory/400-195-0x0000019916860000-0x0000019916870000-memory.dmp

    Filesize

    64KB

  • memory/400-212-0x00000199167C0000-0x00000199167D0000-memory.dmp

    Filesize

    64KB

  • memory/400-213-0x00000199167D0000-0x00000199167E0000-memory.dmp

    Filesize

    64KB

  • memory/400-215-0x0000019916870000-0x0000019916880000-memory.dmp

    Filesize

    64KB

  • memory/400-244-0x0000019916890000-0x00000199168A0000-memory.dmp

    Filesize

    64KB

  • memory/400-243-0x0000019916880000-0x0000019916890000-memory.dmp

    Filesize

    64KB

  • memory/400-242-0x00000199167E0000-0x00000199167F0000-memory.dmp

    Filesize

    64KB

  • memory/400-249-0x00000199167F0000-0x0000019916800000-memory.dmp

    Filesize

    64KB

  • memory/400-251-0x00000199168B0000-0x00000199168C0000-memory.dmp

    Filesize

    64KB

  • memory/400-250-0x00000199168A0000-0x00000199168B0000-memory.dmp

    Filesize

    64KB

  • memory/400-255-0x00000199168C0000-0x00000199168D0000-memory.dmp

    Filesize

    64KB

  • memory/400-253-0x0000019916800000-0x0000019916810000-memory.dmp

    Filesize

    64KB

  • memory/400-264-0x00000199168E0000-0x00000199168F0000-memory.dmp

    Filesize

    64KB

  • memory/400-263-0x00000199168D0000-0x00000199168E0000-memory.dmp

    Filesize

    64KB

  • memory/400-257-0x0000019916810000-0x0000019916820000-memory.dmp

    Filesize

    64KB

  • memory/400-275-0x0000019916820000-0x0000019916830000-memory.dmp

    Filesize

    64KB

  • memory/400-280-0x0000019916830000-0x0000019916840000-memory.dmp

    Filesize

    64KB

  • memory/400-284-0x0000019916840000-0x0000019916850000-memory.dmp

    Filesize

    64KB

  • memory/400-285-0x00000199168F0000-0x0000019916900000-memory.dmp

    Filesize

    64KB

  • memory/400-297-0x0000019916710000-0x0000019916720000-memory.dmp

    Filesize

    64KB

  • memory/400-299-0x0000019916730000-0x0000019916740000-memory.dmp

    Filesize

    64KB

  • memory/400-316-0x0000019916820000-0x0000019916830000-memory.dmp

    Filesize

    64KB

  • memory/400-315-0x0000019916810000-0x0000019916820000-memory.dmp

    Filesize

    64KB

  • memory/400-313-0x0000019916800000-0x0000019916810000-memory.dmp

    Filesize

    64KB

  • memory/400-312-0x00000199167F0000-0x0000019916800000-memory.dmp

    Filesize

    64KB

  • memory/400-311-0x00000199167E0000-0x00000199167F0000-memory.dmp

    Filesize

    64KB

  • memory/400-309-0x00000199167D0000-0x00000199167E0000-memory.dmp

    Filesize

    64KB

  • memory/400-308-0x00000199167C0000-0x00000199167D0000-memory.dmp

    Filesize

    64KB

  • memory/400-307-0x00000199167B0000-0x00000199167C0000-memory.dmp

    Filesize

    64KB

  • memory/400-306-0x00000199167A0000-0x00000199167B0000-memory.dmp

    Filesize

    64KB

  • memory/400-305-0x0000019916790000-0x00000199167A0000-memory.dmp

    Filesize

    64KB

  • memory/400-304-0x0000019916780000-0x0000019916790000-memory.dmp

    Filesize

    64KB

  • memory/400-303-0x0000019916770000-0x0000019916780000-memory.dmp

    Filesize

    64KB

  • memory/400-302-0x0000019916760000-0x0000019916770000-memory.dmp

    Filesize

    64KB

  • memory/400-300-0x0000019916740000-0x0000019916750000-memory.dmp

    Filesize

    64KB

  • memory/400-298-0x00000199166D0000-0x00000199166E0000-memory.dmp

    Filesize

    64KB

  • memory/400-301-0x0000019916750000-0x0000019916760000-memory.dmp

    Filesize

    64KB

  • memory/400-296-0x0000019916700000-0x0000019916710000-memory.dmp

    Filesize

    64KB

  • memory/400-295-0x00000199166F0000-0x0000019916700000-memory.dmp

    Filesize

    64KB

  • memory/400-294-0x00000199166E0000-0x00000199166F0000-memory.dmp

    Filesize

    64KB

  • memory/400-293-0x0000019916720000-0x0000019916730000-memory.dmp

    Filesize

    64KB

  • memory/400-292-0x00000199166C0000-0x00000199166D0000-memory.dmp

    Filesize

    64KB

  • memory/400-291-0x00000199166B0000-0x00000199166C0000-memory.dmp

    Filesize

    64KB

  • memory/400-290-0x00000199166A0000-0x00000199166B0000-memory.dmp

    Filesize

    64KB

  • memory/400-155-0x00000199167A0000-0x00000199167B0000-memory.dmp

    Filesize

    64KB

  • memory/400-288-0x0000019916420000-0x0000019916690000-memory.dmp

    Filesize

    2.4MB

  • memory/400-16-0x0000019916690000-0x00000199166A0000-memory.dmp

    Filesize

    64KB

  • memory/400-12-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-11-0x0000019914BC0000-0x0000019914BC1000-memory.dmp

    Filesize

    4KB

  • memory/400-2-0x0000019916420000-0x0000019916690000-memory.dmp

    Filesize

    2.4MB