Analysis Overview
SHA256
910a06eb5fdf8c9fc6cddfa76ce6359f4d5d459507a2be8d458ada1ecef9c1f6
Threat Level: Known bad
The file check.zip was found to be: Known bad.
Malicious Activity Summary
STRRAT
Checks computer location settings
Drops startup file
Loads dropped DLL
Adds Run key to start application
Drops file in Program Files directory
Enumerates physical storage devices
Creates scheduled task(s)
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-12 07:26
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-12 07:26
Reported
2023-10-13 13:54
Platform
win7-20230831-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2944 wrote to memory of 2140 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 2944 wrote to memory of 2140 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
| PID 2944 wrote to memory of 2140 | N/A | C:\Windows\system32\wscript.exe | C:\Program Files\Java\jre7\bin\javaw.exe |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
C:\Program Files\Java\jre7\bin\javaw.exe
"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\rmknliuhi.txt"
Network
Files
C:\Users\Admin\AppData\Roaming\rmknliuhi.txt
| MD5 | c7fff6f9adc6a624b2dcb9651c3b3567 |
| SHA1 | 6912bf0f6924e47e88eb976214b4c4cd22f8e863 |
| SHA256 | 0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd |
| SHA512 | 979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61 |
memory/2140-4-0x0000000002290000-0x0000000005290000-memory.dmp
memory/2140-7-0x0000000002290000-0x0000000005290000-memory.dmp
memory/2140-13-0x0000000000210000-0x0000000000211000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-12 07:26
Reported
2023-10-13 13:54
Platform
win10v2004-20230915-en
Max time kernel
175s
Max time network
180s
Command Line
Signatures
STRRAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhzgrvso.txt | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qhzgrvso = "\"C:\\Users\\Admin\\AppData\\Roaming\\qhzgrvso.txt\"" | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qhzgrvso = "\"C:\\Users\\Admin\\AppData\\Roaming\\qhzgrvso.txt\"" | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
| File opened for modification | C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb | C:\Program Files\Java\jre1.8.0_66\bin\java.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
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"
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"
C:\Windows\SYSTEM32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
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"
C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\qhzgrvso.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.226.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.109.26.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | repo1.maven.org | udp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 199.232.192.209:443 | repo1.maven.org | tcp |
| US | 8.8.8.8:53 | github.com | udp |
| US | 140.82.113.4:443 | github.com | tcp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.192.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.113.82.140.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.20.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | objects.githubusercontent.com | udp |
| US | 185.199.111.133:443 | objects.githubusercontent.com | tcp |
| US | 8.8.8.8:53 | 133.111.199.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.112.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.57.101.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Roaming\qhzgrvso.txt
| MD5 | c7fff6f9adc6a624b2dcb9651c3b3567 |
| SHA1 | 6912bf0f6924e47e88eb976214b4c4cd22f8e863 |
| SHA256 | 0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd |
| SHA512 | 979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61 |
memory/4740-4-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-13-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-19-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-30-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-31-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-43-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-45-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-54-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-57-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-62-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-66-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-69-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-70-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-77-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-83-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-86-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-101-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-102-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-103-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-104-0x0000000002A70000-0x0000000003A70000-memory.dmp
memory/4740-105-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-106-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4740-110-0x0000000002A70000-0x0000000003A70000-memory.dmp
C:\Users\Admin\qhzgrvso.txt
| MD5 | c7fff6f9adc6a624b2dcb9651c3b3567 |
| SHA1 | 6912bf0f6924e47e88eb976214b4c4cd22f8e863 |
| SHA256 | 0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd |
| SHA512 | 979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61 |
memory/4740-116-0x0000000002700000-0x0000000002701000-memory.dmp
memory/4420-118-0x00000000029A0000-0x00000000039A0000-memory.dmp
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | 9bc44de36f9ae627b66c289d6a566692 |
| SHA1 | fa3835561562f9ca26027775e3de375693787084 |
| SHA256 | 7ad415e53822b51b404524a2600f3707828c904dc41fa1be81dd0282655f7d33 |
| SHA512 | 21ca454e32fe34400215b85ef6222474ad5183410e4578130c42373c1918784fd3290a3f954ce711b1277f7aceb9928d8c001b32230c128b58803c9b754e98e8 |
C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
| MD5 | b33387e15ab150a7bf560abdc73c3bec |
| SHA1 | 66b8075784131f578ef893fd7674273f709b9a4c |
| SHA256 | 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491 |
| SHA512 | 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279 |
C:\Users\Admin\lib\jna-platform-5.5.0.jar
| MD5 | 2f4a99c2758e72ee2b59a73586a2322f |
| SHA1 | af38e7c4d0fc73c23ecd785443705bfdee5b90bf |
| SHA256 | 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5 |
| SHA512 | b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494 |
C:\Users\Admin\lib\jna-5.5.0.jar
| MD5 | acfb5b5fd9ee10bf69497792fd469f85 |
| SHA1 | 0e0845217c4907822403912ad6828d8e0b256208 |
| SHA256 | b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e |
| SHA512 | e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa |
C:\Users\Admin\lib\system-hook-3.5.jar
| MD5 | e1aa38a1e78a76a6de73efae136cdb3a |
| SHA1 | c463da71871f780b2e2e5dba115d43953b537daf |
| SHA256 | 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609 |
| SHA512 | fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d |
memory/4420-130-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/4420-131-0x0000000000A60000-0x0000000000A61000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhzgrvso.txt
| MD5 | c7fff6f9adc6a624b2dcb9651c3b3567 |
| SHA1 | 6912bf0f6924e47e88eb976214b4c4cd22f8e863 |
| SHA256 | 0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd |
| SHA512 | 979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61 |
C:\Users\Admin\AppData\Roaming\qhzgrvso.txt
| MD5 | c7fff6f9adc6a624b2dcb9651c3b3567 |
| SHA1 | 6912bf0f6924e47e88eb976214b4c4cd22f8e863 |
| SHA256 | 0b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd |
| SHA512 | 979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61 |
C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar
| MD5 | e1aa38a1e78a76a6de73efae136cdb3a |
| SHA1 | c463da71871f780b2e2e5dba115d43953b537daf |
| SHA256 | 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609 |
| SHA512 | fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d |
C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
| MD5 | b33387e15ab150a7bf560abdc73c3bec |
| SHA1 | 66b8075784131f578ef893fd7674273f709b9a4c |
| SHA256 | 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491 |
| SHA512 | 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279 |
C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
| MD5 | 2f4a99c2758e72ee2b59a73586a2322f |
| SHA1 | af38e7c4d0fc73c23ecd785443705bfdee5b90bf |
| SHA256 | 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5 |
| SHA512 | b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494 |
C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar
| MD5 | acfb5b5fd9ee10bf69497792fd469f85 |
| SHA1 | 0e0845217c4907822403912ad6828d8e0b256208 |
| SHA256 | b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e |
| SHA512 | e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa |
C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
| MD5 | b716ebf6e7b2f9de5ecd4be9db3d3de5 |
| SHA1 | 621832410b425ba1aa86f2231ebd3ddd7e28a194 |
| SHA256 | 2f3dbbeb5062af9bced563c3e55482b0acd739495b9b5668d26899ec8eec0952 |
| SHA512 | 47db02a4fa35539a5752c2fbd65a0f7adc4ee8410cf16786249734655c4ca9c3e39928e14f57030efc537183bd7e69ba53e69cf5974013ede17430575d470797 |
memory/1672-152-0x0000000002C10000-0x0000000003C10000-memory.dmp
memory/1672-161-0x0000000000F80000-0x0000000000F81000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-919254492-3979293997-764407192-1000\83aa4cc77f591dfc2374580bbd95f6ba_eafea0cb-98e7-4e88-b719-0a1e3b6ee7ae
| MD5 | c8366ae350e7019aefc9d1e6e6a498c6 |
| SHA1 | 5731d8a3e6568a5f2dfbbc87e3db9637df280b61 |
| SHA256 | 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238 |
| SHA512 | 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd |
memory/1672-167-0x0000000002C10000-0x0000000003C10000-memory.dmp
memory/1672-170-0x0000000002C10000-0x0000000003C10000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna829768381955866915.dll
| MD5 | e02979ecd43bcc9061eb2b494ab5af50 |
| SHA1 | 3122ac0e751660f646c73b10c4f79685aa65c545 |
| SHA256 | a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a |
| SHA512 | 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372 |
memory/1672-178-0x0000000002C10000-0x0000000003C10000-memory.dmp
memory/1672-179-0x0000000002C10000-0x0000000003C10000-memory.dmp