Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 01:23
Static task
static1
Behavioral task
behavioral1
Sample
0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar
Resource
win10v2004-20240508-en
General
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Target
0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar
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Size
481KB
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MD5
2820aab595357470035ace68dcb120ca
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SHA1
3954643aaa5dde5ee8079728905843cd175e9e84
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SHA256
0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606
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SHA512
b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6
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SSDEEP
12288:yVlmvKeQSPE8hj7oxFQRb5hzxCOJpk8FiWhKc9:yHmvlnnoMlckiWp
Malware Config
Signatures
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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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 672 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4388 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar\"" java.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1932 schtasks.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4400 wrote to memory of 4388 4400 java.exe 84 PID 4400 wrote to memory of 4388 4400 java.exe 84 PID 4400 wrote to memory of 348 4400 java.exe 96 PID 4400 wrote to memory of 348 4400 java.exe 96 PID 348 wrote to memory of 452 348 java.exe 99 PID 348 wrote to memory of 452 348 java.exe 99 PID 348 wrote to memory of 672 348 java.exe 100 PID 348 wrote to memory of 672 348 java.exe 100 PID 452 wrote to memory of 1932 452 cmd.exe 103 PID 452 wrote to memory of 1932 452 cmd.exe 103 -
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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:4388
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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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:348 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"4⤵
- Creates scheduled task(s)
PID:1932
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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\0f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606.jar"3⤵
- Loads dropped DLL
PID:672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5c3cb534e0530d7bec3257f6ac7ad7054
SHA1a3c88c3cae87fedf7616dd53138481909e1353e3
SHA256c21deb13fc971c808a9db987e800e43f3f362f597ed353395347ef2075e43bba
SHA51242dc515efddd70ecd422ccd15fb86ce089a5b95af94084e72fb599d715c493ed729a7b88a968e7d240d933b65ce3368a18271f9405dce20a11e7332468693e0e
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Filesize
481KB
MD52820aab595357470035ace68dcb120ca
SHA13954643aaa5dde5ee8079728905843cd175e9e84
SHA2560f359450e399eff8b4b9ae323a4e7a6569426735f3824a13756972f1b10d2606
SHA512b57d9025095815761dc267f0731e55fae41bea3becb134e1e5e9649f67ff5fb423ad0b36206a861b179b8053973188e1ebe39ad3076fed481811f1fd8a775ab6
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1337824034-2731376981-3755436523-1000\83aa4cc77f591dfc2374580bbd95f6ba_6833eb7b-8d4b-4cdd-9502-9bbf7fc1cf9f
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