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Analysis
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max time kernel
124s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2024, 02:48
Behavioral task
behavioral1
Sample
8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar
Resource
win10v2004-20241007-en
General
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Target
8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar
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Size
264KB
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MD5
28ec6971f041bf8032f0cf107a4b998a
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SHA1
26521b13ff600ba008eb4cd29793e4eff19b4a0d
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SHA256
8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78
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SHA512
f510617be9820f58d3104866234057bcac17509c31ff0a52361eb2737d1cc8bc2b4a427c6bc948d3009432228ca7788a2ee5eb8204fa19221c33383bb5e9a71c
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SSDEEP
3072:+XfNv33luMlRapi+5MNlHAi7WlyUkg2Ac3B2At6L4g7f8TlD0e05fpo8RHCUUNmM:+FvFuMioq7uO6WfClDrojHCNmM
Malware Config
Extracted
strrat
badmiles.ddns.net:5055
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license_id
4OI0-V4TA-Z8G4-WQF1-B9VH
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
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Strrat family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 776 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar\"" java.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2804 schtasks.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4560 wrote to memory of 1596 4560 java.exe 87 PID 4560 wrote to memory of 1596 4560 java.exe 87 PID 1596 wrote to memory of 2488 1596 java.exe 89 PID 1596 wrote to memory of 2488 1596 java.exe 89 PID 1596 wrote to memory of 776 1596 java.exe 90 PID 1596 wrote to memory of 776 1596 java.exe 90 PID 2488 wrote to memory of 2804 2488 cmd.exe 93 PID 2488 wrote to memory of 2804 2488 cmd.exe 93 -
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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:2804
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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\8a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78.jar"3⤵
- Loads dropped DLL
PID:776
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5d31184a9b70d05dbddb03bd45112f1d0
SHA1cde5dbb68f0576093a46d380194c4beac078a1a3
SHA2561b23d9bede59b6a0e27cea0be8dc3edc981c001c833e05f075b4f6ccddbe3ce5
SHA51214b9e98a3fe5db85559b777d24bcdfb4d01d38bb1da848f4d5be00212059109bbd8a50659e6010251b335b159e1f5feea79777566985df406e2d0058a65a4118
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Filesize
264KB
MD528ec6971f041bf8032f0cf107a4b998a
SHA126521b13ff600ba008eb4cd29793e4eff19b4a0d
SHA2568a70ea299b970caec8bb342c024f36b731c315907797879c0b8d0385610aca78
SHA512f510617be9820f58d3104866234057bcac17509c31ff0a52361eb2737d1cc8bc2b4a427c6bc948d3009432228ca7788a2ee5eb8204fa19221c33383bb5e9a71c
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3756129449-3121373848-4276368241-1000\83aa4cc77f591dfc2374580bbd95f6ba_a63d6fdc-08cb-4232-ab51-76cafdcb4d96
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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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