Analysis
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max time kernel
149s -
max time network
154s -
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 07:15
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 216 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process 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 Set value (str) \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\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 -
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 procid_target PID 400 wrote to memory of 4748 400 java.exe 95 PID 400 wrote to memory of 4748 400 java.exe 95 PID 4748 wrote to memory of 2688 4748 java.exe 97 PID 4748 wrote to memory of 2688 4748 java.exe 97 PID 4748 wrote to memory of 216 4748 java.exe 99 PID 4748 wrote to memory of 216 4748 java.exe 99 PID 2688 wrote to memory of 4708 2688 cmd.exe 101 PID 2688 wrote to memory of 4708 2688 cmd.exe 101 -
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:400 -
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:4748 -
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:2688 -
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:4708
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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:216
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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
MD5dd7f57a9056f6c36e9b9a92d426e302b
SHA10c058ba8923ebf5ac4105d77a57f91558e61fbd6
SHA256ade0426828557f164b243bb0dbf653b69e76d725fde07a703a97f4b7bad1b794
SHA512854ed98da3ef3c734bbc482bd41f43c0b46cce5f0a753c836dd3540d680b0ed8a3aff606b42baca6983e753fd6e582663a6363395398afbf99b18bf63f65f7bf
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Filesize
46B
MD5997b9da0854eac8c45deec33c6e05811
SHA16d1868c6c746325a2928bbe96bc09b4758f1b088
SHA256acb4bc81a3a44812118d6989d8e30963c90232e66a85d0a397f2b447b2ff01a1
SHA512f6bac355aab3f49e47b4bae42ee072d08c59c0816ca814563890a0904aac43532424da82fd1cd0c5831d9ff705da6eee8743b148294e55bba80712b096ac2749
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1750093773-264148664-1320403265-1000\83aa4cc77f591dfc2374580bbd95f6ba_46967d70-72aa-405b-b21a-7603bc5aaaad
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