Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2024 20:05
Behavioral task
behavioral1
Sample
fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar
Resource
win10v2004-20241007-en
General
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Target
fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar
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Size
88KB
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MD5
c00501fc6a943e9212f1d0fd93235daa
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SHA1
8ce6b95d7fac24cbb66ab2432dd9d90668c485a9
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SHA256
fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215
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SHA512
d98364f960cf22f2766404c6311487eb73ecc59ab610dde8549462c93a00b69245b035ec5061ff180eb001ed582c2fae385444a0a787eee3471d9c07beaa3a28
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SSDEEP
1536:gQBto+OSHJ9jIAhS77WX/boWVFXUIuAUt8mMUsluRtuO8jNKg3v:gkv3VPXJuAUK8BuO8jN9
Malware Config
Extracted
strrat
194.5.98.243:7123
194.5.98.243:7234
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license_id
FREF-6ILG-J2DN-PT5K-AYC2
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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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar java.exe -
Loads dropped DLL 2 IoCs
pid Process 1948 java.exe 4964 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.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 1908 schtasks.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2996 wrote to memory of 1948 2996 java.exe 95 PID 2996 wrote to memory of 1948 2996 java.exe 95 PID 1948 wrote to memory of 1696 1948 java.exe 99 PID 1948 wrote to memory of 1696 1948 java.exe 99 PID 1948 wrote to memory of 4964 1948 java.exe 100 PID 1948 wrote to memory of 4964 1948 java.exe 100 PID 1696 wrote to memory of 1908 1696 cmd.exe 103 PID 1696 wrote to memory of 1908 1696 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\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar"2⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1908
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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\fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215.jar"3⤵
- Loads dropped DLL
PID:4964
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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
MD5f8152c84fc59eee7bd4d924ded44b352
SHA1baeaac1555dabd2e5177f419c9c13d6c4d87c2d0
SHA2563facca3831684e9c773469cd799b269cc5b1d01d30066985d5a7fd81c272cf30
SHA512848ab3372c2f40310fa3bdcbe977f5dadad2f8a49c9a5ed93682c504ec1303a954578d1cf5abc4a01e8f48968510750c9117eaaca15b7ac65376233e93884351
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2045521122-590294423-3465680274-1000\83aa4cc77f591dfc2374580bbd95f6ba_896de533-e5fb-4eb9-8f2b-d363f3584dc5
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
88KB
MD5c00501fc6a943e9212f1d0fd93235daa
SHA18ce6b95d7fac24cbb66ab2432dd9d90668c485a9
SHA256fa454076cf36fe6868d54215ebb345cd9d6c8423fa9bd9f0bd56df9074915215
SHA512d98364f960cf22f2766404c6311487eb73ecc59ab610dde8549462c93a00b69245b035ec5061ff180eb001ed582c2fae385444a0a787eee3471d9c07beaa3a28
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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