Analysis
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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
Static task
static1
Behavioral task
behavioral1
Sample
b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
Resource
win10v2004-20230915-en
General
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Target
b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js
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Size
1.3MB
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MD5
f932b7a291840c0258415c4ec624b5b8
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SHA1
e5b47c5f358af996531e9cf94e4578f5ed916e76
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SHA256
b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a
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SHA512
fe369c4f285ff7dd2f57ba1705b14a10a6daee41d7d0093f1f3f232f0336c4e341c9c6f1e3b7851fd1fea0a90b6e93e1b536c895704e13f604772eb18fbb51f3
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SSDEEP
6144:MQqiiTWY4S2ptEeyYRTX4Vo+AGKtQxHJKq8uPIZxdG+it7aUiN0l/NqM138zMZn5:Xs
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
Processes:
java.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhzgrvso.txt java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid process 1672 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process 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\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qhzgrvso = "\"C:\\Users\\Admin\\AppData\\Roaming\\qhzgrvso.txt\"" java.exe -
Drops file in Program Files directory 12 IoCs
Processes:
java.exedescription ioc process File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb java.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb java.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 10 IoCs
Processes:
wscript.exejavaw.exejava.execmd.exedescription pid process target process PID 4544 wrote to memory of 4740 4544 wscript.exe javaw.exe PID 4544 wrote to memory of 4740 4544 wscript.exe javaw.exe PID 4740 wrote to memory of 4420 4740 javaw.exe java.exe PID 4740 wrote to memory of 4420 4740 javaw.exe java.exe PID 4420 wrote to memory of 3852 4420 java.exe cmd.exe PID 4420 wrote to memory of 3852 4420 java.exe cmd.exe PID 4420 wrote to memory of 1672 4420 java.exe java.exe PID 4420 wrote to memory of 1672 4420 java.exe java.exe PID 3852 wrote to memory of 3224 3852 cmd.exe schtasks.exe PID 3852 wrote to memory of 3224 3852 cmd.exe schtasks.exe -
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
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a.js1⤵
- 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.execmd /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.exeschtasks /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
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Filesize
50B
MD59bc44de36f9ae627b66c289d6a566692
SHA1fa3835561562f9ca26027775e3de375693787084
SHA2567ad415e53822b51b404524a2600f3707828c904dc41fa1be81dd0282655f7d33
SHA51221ca454e32fe34400215b85ef6222474ad5183410e4578130c42373c1918784fd3290a3f954ce711b1277f7aceb9928d8c001b32230c128b58803c9b754e98e8
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Filesize
50B
MD5b716ebf6e7b2f9de5ecd4be9db3d3de5
SHA1621832410b425ba1aa86f2231ebd3ddd7e28a194
SHA2562f3dbbeb5062af9bced563c3e55482b0acd739495b9b5668d26899ec8eec0952
SHA51247db02a4fa35539a5752c2fbd65a0f7adc4ee8410cf16786249734655c4ca9c3e39928e14f57030efc537183bd7e69ba53e69cf5974013ede17430575d470797
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-919254492-3979293997-764407192-1000\83aa4cc77f591dfc2374580bbd95f6ba_eafea0cb-98e7-4e88-b719-0a1e3b6ee7ae
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
164KB
MD5c7fff6f9adc6a624b2dcb9651c3b3567
SHA16912bf0f6924e47e88eb976214b4c4cd22f8e863
SHA2560b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd
SHA512979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
164KB
MD5c7fff6f9adc6a624b2dcb9651c3b3567
SHA16912bf0f6924e47e88eb976214b4c4cd22f8e863
SHA2560b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd
SHA512979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61
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Filesize
164KB
MD5c7fff6f9adc6a624b2dcb9651c3b3567
SHA16912bf0f6924e47e88eb976214b4c4cd22f8e863
SHA2560b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd
SHA512979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
164KB
MD5c7fff6f9adc6a624b2dcb9651c3b3567
SHA16912bf0f6924e47e88eb976214b4c4cd22f8e863
SHA2560b7805864d52d9023f35762740194c4bcb7a01c38e9db071cc7526dca68253fd
SHA512979ff8489c59c4e076113daa51a545cc4ab2b969e5d9b4ad2982eebc6cf2199852b70aa2d721277211ca0eb5664ba364b6bd5a4092f62dea98a1afc8d04c3c61