Analysis

  • max time kernel
    175s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 07:26

General

  • Target

    b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js

  • Size

    1.3MB

  • MD5

    f932b7a291840c0258415c4ec624b5b8

  • SHA1

    e5b47c5f358af996531e9cf94e4578f5ed916e76

  • SHA256

    b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a

  • SHA512

    fe369c4f285ff7dd2f57ba1705b14a10a6daee41d7d0093f1f3f232f0336c4e341c9c6f1e3b7851fd1fea0a90b6e93e1b536c895704e13f604772eb18fbb51f3

  • SSDEEP

    6144:MQqiiTWY4S2ptEeyYRTX4Vo+AGKtQxHJKq8uPIZxdG+it7aUiN0l/NqM138zMZn5:Xs

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 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:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\qhzgrvso.txt"
        3⤵
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3852
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
            5⤵
            • Creates scheduled task(s)
            PID:3224
        • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
          "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
          4⤵
          • Loads dropped DLL
          • Drops file in Program Files directory
          PID:1672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

    Filesize

    50B

    MD5

    9bc44de36f9ae627b66c289d6a566692

    SHA1

    fa3835561562f9ca26027775e3de375693787084

    SHA256

    7ad415e53822b51b404524a2600f3707828c904dc41fa1be81dd0282655f7d33

    SHA512

    21ca454e32fe34400215b85ef6222474ad5183410e4578130c42373c1918784fd3290a3f954ce711b1277f7aceb9928d8c001b32230c128b58803c9b754e98e8

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

    Filesize

    50B

    MD5

    b716ebf6e7b2f9de5ecd4be9db3d3de5

    SHA1

    621832410b425ba1aa86f2231ebd3ddd7e28a194

    SHA256

    2f3dbbeb5062af9bced563c3e55482b0acd739495b9b5668d26899ec8eec0952

    SHA512

    47db02a4fa35539a5752c2fbd65a0f7adc4ee8410cf16786249734655c4ca9c3e39928e14f57030efc537183bd7e69ba53e69cf5974013ede17430575d470797

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna829768381955866915.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-919254492-3979293997-764407192-1000\83aa4cc77f591dfc2374580bbd95f6ba_eafea0cb-98e7-4e88-b719-0a1e3b6ee7ae

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhzgrvso.txt

    Filesize

    164KB

    MD5

    c7fff6f9adc6a624b2dcb9651c3b3567

    SHA1

    6912bf0f6924e47e88eb976214b4c4cd22f8e863

    SHA256

    0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd

    SHA512

    979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61

  • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar

    Filesize

    1.4MB

    MD5

    acfb5b5fd9ee10bf69497792fd469f85

    SHA1

    0e0845217c4907822403912ad6828d8e0b256208

    SHA256

    b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

    SHA512

    e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

  • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar

    Filesize

    2.6MB

    MD5

    2f4a99c2758e72ee2b59a73586a2322f

    SHA1

    af38e7c4d0fc73c23ecd785443705bfdee5b90bf

    SHA256

    24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

    SHA512

    b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

  • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar

    Filesize

    4.1MB

    MD5

    b33387e15ab150a7bf560abdc73c3bec

    SHA1

    66b8075784131f578ef893fd7674273f709b9a4c

    SHA256

    2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

    SHA512

    25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

  • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar

    Filesize

    772KB

    MD5

    e1aa38a1e78a76a6de73efae136cdb3a

    SHA1

    c463da71871f780b2e2e5dba115d43953b537daf

    SHA256

    2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

    SHA512

    fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

  • C:\Users\Admin\AppData\Roaming\qhzgrvso.txt

    Filesize

    164KB

    MD5

    c7fff6f9adc6a624b2dcb9651c3b3567

    SHA1

    6912bf0f6924e47e88eb976214b4c4cd22f8e863

    SHA256

    0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd

    SHA512

    979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61

  • C:\Users\Admin\AppData\Roaming\qhzgrvso.txt

    Filesize

    164KB

    MD5

    c7fff6f9adc6a624b2dcb9651c3b3567

    SHA1

    6912bf0f6924e47e88eb976214b4c4cd22f8e863

    SHA256

    0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd

    SHA512

    979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61

  • 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

  • C:\Users\Admin\qhzgrvso.txt

    Filesize

    164KB

    MD5

    c7fff6f9adc6a624b2dcb9651c3b3567

    SHA1

    6912bf0f6924e47e88eb976214b4c4cd22f8e863

    SHA256

    0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd

    SHA512

    979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61

  • memory/1672-179-0x0000000002C10000-0x0000000003C10000-memory.dmp

    Filesize

    16.0MB

  • memory/1672-178-0x0000000002C10000-0x0000000003C10000-memory.dmp

    Filesize

    16.0MB

  • memory/1672-170-0x0000000002C10000-0x0000000003C10000-memory.dmp

    Filesize

    16.0MB

  • memory/1672-167-0x0000000002C10000-0x0000000003C10000-memory.dmp

    Filesize

    16.0MB

  • memory/1672-161-0x0000000000F80000-0x0000000000F81000-memory.dmp

    Filesize

    4KB

  • memory/1672-152-0x0000000002C10000-0x0000000003C10000-memory.dmp

    Filesize

    16.0MB

  • memory/4420-118-0x00000000029A0000-0x00000000039A0000-memory.dmp

    Filesize

    16.0MB

  • memory/4420-131-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/4420-130-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/4740-83-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-45-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-77-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-70-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-69-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-66-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-62-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-86-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-110-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-57-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-54-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-116-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-43-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-31-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-30-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-19-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-106-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-105-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-13-0x0000000002700000-0x0000000002701000-memory.dmp

    Filesize

    4KB

  • memory/4740-104-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-103-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-4-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-102-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB

  • memory/4740-101-0x0000000002A70000-0x0000000003A70000-memory.dmp

    Filesize

    16.0MB