Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
29-07-2024 13:06
Static task
static1
Behavioral task
behavioral1
Sample
PO2024-0961.jar
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
PO2024-0961.jar
Resource
win10v2004-20240709-en
General
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Target
PO2024-0961.jar
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Size
400KB
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MD5
4a0b95e278f0a59bcff16500edc25568
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SHA1
35bf164377b6cdb43551935404452283cf7e7b97
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SHA256
7dbd3729dd6c23e0329158520fa3cfcd3d78126f901aacad8a249a2166638fcc
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SHA512
b4ff765f14a1f4df43292b11ad03496f14affad5f918b2a2f36922c542ccda8e6eb000d418d7503aa5cfcd6b2c811a0995f9e63577a9ba5a168d9127b1a69e15
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SSDEEP
12288:GzZWHT+5Y3PDDh8Hv733p3KTcHVP9iNyom:GNST+5uabZHP9Qpm
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
java.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO2024-0961.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid process 4844 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO2024-0961 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO2024-0961.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO2024-0961 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO2024-0961.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.
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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
java.exejava.execmd.exedescription pid process target process PID 2976 wrote to memory of 3460 2976 java.exe java.exe PID 2976 wrote to memory of 3460 2976 java.exe java.exe PID 3460 wrote to memory of 1672 3460 java.exe cmd.exe PID 3460 wrote to memory of 1672 3460 java.exe cmd.exe PID 3460 wrote to memory of 4844 3460 java.exe java.exe PID 3460 wrote to memory of 4844 3460 java.exe java.exe PID 1672 wrote to memory of 4564 1672 cmd.exe schtasks.exe PID 1672 wrote to memory of 4564 1672 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\PO2024-0961.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PO2024-0961.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO2024-0961.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO2024-0961.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:4564
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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\PO2024-0961.jar"3⤵
- Loads dropped DLL
PID:4844
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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
MD5f6717e92d1cfb43493225be9b21351a6
SHA1b8d4cc670bb06d65979d68867c3a7f49958b9a44
SHA25657eb8822d0b08f6208340360c39f650c3f13ab26f33530b4050ad6cb76efb98e
SHA5123d228461d73d9c948b4b8da6b8b26248357dc89306f60738858ec98fe93d0c0885d0590163158732163396764dd643c0525eab4702436c7e73fe0e96bf0fbcfa
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Filesize
46B
MD5852e691a5bde19a22e73122d7ebf5236
SHA130d070279021c0472a752d0bcb68d70c8d464a46
SHA2563303b295897da318f1e9c0e876ed4eba5ec805a74c52be814a71523de15031e4
SHA512a27b18002ca35d1abb22f3a6c618498284780d0385903b388cf740bb088b46c5fbbef96d9e7bc9657ab8a5ef097e8938f93d074aac52e6c1a71a311b4ac927c8
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-464762018-485119342-1613148473-1000\83aa4cc77f591dfc2374580bbd95f6ba_a18f179e-3e6f-4f43-8bbf-9eee996556bc
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
400KB
MD54a0b95e278f0a59bcff16500edc25568
SHA135bf164377b6cdb43551935404452283cf7e7b97
SHA2567dbd3729dd6c23e0329158520fa3cfcd3d78126f901aacad8a249a2166638fcc
SHA512b4ff765f14a1f4df43292b11ad03496f14affad5f918b2a2f36922c542ccda8e6eb000d418d7503aa5cfcd6b2c811a0995f9e63577a9ba5a168d9127b1a69e15
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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