Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-10-2024 01:38
Static task
static1
Behavioral task
behavioral1
Sample
67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar
Resource
win10v2004-20241007-en
General
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Target
67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar
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Size
412KB
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MD5
859f7ee1dcaf69fdd402f711a83c305c
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SHA1
c8ab247bef8c931a1cb84a6fab2b496a069e39d1
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SHA256
67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234
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SHA512
7ef399d1a24fc2ca97d54f85f639455453f51e69d108942d2baf79c154634871a31a96f9fe8b4a6c5ae13b7db6919e8cf466cd6bc22e4d2563a0ea38508905e8
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SSDEEP
12288:KUD8DZF69WolnW8qEOlUzwDXJXiqusgvC0X:Kg8dFSWBdENzwFXIpn
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\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 1468 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.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 1236 wrote to memory of 4920 1236 java.exe 92 PID 1236 wrote to memory of 4920 1236 java.exe 92 PID 4920 wrote to memory of 4912 4920 java.exe 94 PID 4920 wrote to memory of 4912 4920 java.exe 94 PID 4920 wrote to memory of 1468 4920 java.exe 95 PID 4920 wrote to memory of 1468 4920 java.exe 95 PID 4912 wrote to memory of 3612 4912 cmd.exe 98 PID 4912 wrote to memory of 3612 4912 cmd.exe 98 -
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\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:3612
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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\67e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234.jar"3⤵
- Loads dropped DLL
PID:1468
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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
MD5e6db1185d6044959973bc5ee5b4b811f
SHA11b04f6fd7b693bf491d70088d08dde9fffd58364
SHA2562456c008641b7fd68bbafe6c6ed3ece7fae6fdbdb05b9ac5e5a677ddb845e148
SHA51246b46538ee48f1fa578423b6e9c2b296b4edb8ed6a9a7b69a3ee60bf5ea16c69412db106cad48bf425b62789e688503fd67caf66abf4b78dded585e1cfe4045d
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
412KB
MD5859f7ee1dcaf69fdd402f711a83c305c
SHA1c8ab247bef8c931a1cb84a6fab2b496a069e39d1
SHA25667e0dec2524470835e1e336e0113a805125e96b69f7ea4010377e7f03c3f8234
SHA5127ef399d1a24fc2ca97d54f85f639455453f51e69d108942d2baf79c154634871a31a96f9fe8b4a6c5ae13b7db6919e8cf466cd6bc22e4d2563a0ea38508905e8
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1045960512-3948844814-3059691613-1000\83aa4cc77f591dfc2374580bbd95f6ba_a4172161-d53d-48af-8f36-a00b057e74d4
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