Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
11-02-2025 11:19
Behavioral task
behavioral1
Sample
T506-21120.jar
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
T506-21120.jar
Resource
win10v2004-20250207-en
General
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Target
T506-21120.jar
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Size
270KB
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MD5
f969ddb9e0f63e8e301ff51bd854a40d
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SHA1
8eb8088e24722f0eb6b515733cc3c757f48f1dbf
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SHA256
7058923f62ef66b9a9d589dae9d1d581f5c692c4a38511e1820587a730576f65
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SHA512
7ae1f15866464c09f09ff8fc766f97f5967a10f2d4f8d4f44e74d575a7cb87ed4a36bde1e3cf5cc82d180d3ad67f26d0c5012aeb8650f7ca1cf2b3418ebe38fe
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SSDEEP
6144:K6TBRThvD+WkVJjUQ3utyExz1Ay2K7wkCadVc:7RThb+WkVJxWxz111lC
Malware Config
Extracted
strrat
176.65.139.53:2006
127.0.0.1:2006
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license_id
0801-GRBL-SUN9-LG8M-2C9C
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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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Strrat family
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Downloads MZ/PE file 1 IoCs
flow pid Process 31 1504 Process not Found -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\T506-21120.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 2176 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\T506-21120 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\T506-21120.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\T506-21120 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\T506-21120.jar\"" java.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 52 ip-api.com -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2572 MicrosoftEdgeUpdate.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 1348 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2932 WMIC.exe Token: SeSecurityPrivilege 2932 WMIC.exe Token: SeTakeOwnershipPrivilege 2932 WMIC.exe Token: SeLoadDriverPrivilege 2932 WMIC.exe Token: SeSystemProfilePrivilege 2932 WMIC.exe Token: SeSystemtimePrivilege 2932 WMIC.exe Token: SeProfSingleProcessPrivilege 2932 WMIC.exe Token: SeIncBasePriorityPrivilege 2932 WMIC.exe Token: SeCreatePagefilePrivilege 2932 WMIC.exe Token: SeBackupPrivilege 2932 WMIC.exe Token: SeRestorePrivilege 2932 WMIC.exe Token: SeShutdownPrivilege 2932 WMIC.exe Token: SeDebugPrivilege 2932 WMIC.exe Token: SeSystemEnvironmentPrivilege 2932 WMIC.exe Token: SeRemoteShutdownPrivilege 2932 WMIC.exe Token: SeUndockPrivilege 2932 WMIC.exe Token: SeManageVolumePrivilege 2932 WMIC.exe Token: 33 2932 WMIC.exe Token: 34 2932 WMIC.exe Token: 35 2932 WMIC.exe Token: 36 2932 WMIC.exe Token: SeIncreaseQuotaPrivilege 2932 WMIC.exe Token: SeSecurityPrivilege 2932 WMIC.exe Token: SeTakeOwnershipPrivilege 2932 WMIC.exe Token: SeLoadDriverPrivilege 2932 WMIC.exe Token: SeSystemProfilePrivilege 2932 WMIC.exe Token: SeSystemtimePrivilege 2932 WMIC.exe Token: SeProfSingleProcessPrivilege 2932 WMIC.exe Token: SeIncBasePriorityPrivilege 2932 WMIC.exe Token: SeCreatePagefilePrivilege 2932 WMIC.exe Token: SeBackupPrivilege 2932 WMIC.exe Token: SeRestorePrivilege 2932 WMIC.exe Token: SeShutdownPrivilege 2932 WMIC.exe Token: SeDebugPrivilege 2932 WMIC.exe Token: SeSystemEnvironmentPrivilege 2932 WMIC.exe Token: SeRemoteShutdownPrivilege 2932 WMIC.exe Token: SeUndockPrivilege 2932 WMIC.exe Token: SeManageVolumePrivilege 2932 WMIC.exe Token: 33 2932 WMIC.exe Token: 34 2932 WMIC.exe Token: 35 2932 WMIC.exe Token: 36 2932 WMIC.exe Token: SeIncreaseQuotaPrivilege 2780 WMIC.exe Token: SeSecurityPrivilege 2780 WMIC.exe Token: SeTakeOwnershipPrivilege 2780 WMIC.exe Token: SeLoadDriverPrivilege 2780 WMIC.exe Token: SeSystemProfilePrivilege 2780 WMIC.exe Token: SeSystemtimePrivilege 2780 WMIC.exe Token: SeProfSingleProcessPrivilege 2780 WMIC.exe Token: SeIncBasePriorityPrivilege 2780 WMIC.exe Token: SeCreatePagefilePrivilege 2780 WMIC.exe Token: SeBackupPrivilege 2780 WMIC.exe Token: SeRestorePrivilege 2780 WMIC.exe Token: SeShutdownPrivilege 2780 WMIC.exe Token: SeDebugPrivilege 2780 WMIC.exe Token: SeSystemEnvironmentPrivilege 2780 WMIC.exe Token: SeRemoteShutdownPrivilege 2780 WMIC.exe Token: SeUndockPrivilege 2780 WMIC.exe Token: SeManageVolumePrivilege 2780 WMIC.exe Token: 33 2780 WMIC.exe Token: 34 2780 WMIC.exe Token: 35 2780 WMIC.exe Token: 36 2780 WMIC.exe Token: SeIncreaseQuotaPrivilege 2780 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2516 wrote to memory of 3412 2516 java.exe 96 PID 2516 wrote to memory of 3412 2516 java.exe 96 PID 3412 wrote to memory of 5036 3412 java.exe 98 PID 3412 wrote to memory of 5036 3412 java.exe 98 PID 3412 wrote to memory of 2176 3412 java.exe 99 PID 3412 wrote to memory of 2176 3412 java.exe 99 PID 5036 wrote to memory of 1348 5036 cmd.exe 102 PID 5036 wrote to memory of 1348 5036 cmd.exe 102 PID 2176 wrote to memory of 3472 2176 java.exe 103 PID 2176 wrote to memory of 3472 2176 java.exe 103 PID 3472 wrote to memory of 2932 3472 cmd.exe 105 PID 3472 wrote to memory of 2932 3472 cmd.exe 105 PID 2176 wrote to memory of 2828 2176 java.exe 106 PID 2176 wrote to memory of 2828 2176 java.exe 106 PID 2828 wrote to memory of 2780 2828 cmd.exe 108 PID 2828 wrote to memory of 2780 2828 cmd.exe 108 PID 2176 wrote to memory of 2112 2176 java.exe 109 PID 2176 wrote to memory of 2112 2176 java.exe 109 PID 2112 wrote to memory of 2984 2112 cmd.exe 111 PID 2112 wrote to memory of 2984 2112 cmd.exe 111 PID 2176 wrote to memory of 2104 2176 java.exe 112 PID 2176 wrote to memory of 2104 2176 java.exe 112 PID 2104 wrote to memory of 944 2104 cmd.exe 114 PID 2104 wrote to memory of 944 2104 cmd.exe 114 -
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\T506-21120.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\T506-21120.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\T506-21120.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\T506-21120.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:1348
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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\T506-21120.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2932
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2984
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"4⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:944
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDA5MzYxODUwIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2572
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
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
MD5e6d1f33904bb748d11044cc058808735
SHA11ccd5b4d9b0509b61fad48f576446905564366b0
SHA256ed20cbbc9a31d993c069884c5e7234304d17c0f56881c4aee142fe93373602df
SHA5124e3e2caa7f02484086a57411c89ceb9cb325ec67b74a10909b9fa1bea3b3265085ecd6aa83cf41e011bfe45d74979568ba0eb5d187e42af14102b38e128b7713
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3932017190-1449707826-1445630-1000\83aa4cc77f591dfc2374580bbd95f6ba_608fc9a3-17bf-4968-90d3-409cefd94097
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
270KB
MD5f969ddb9e0f63e8e301ff51bd854a40d
SHA18eb8088e24722f0eb6b515733cc3c757f48f1dbf
SHA2567058923f62ef66b9a9d589dae9d1d581f5c692c4a38511e1820587a730576f65
SHA5127ae1f15866464c09f09ff8fc766f97f5967a10f2d4f8d4f44e74d575a7cb87ed4a36bde1e3cf5cc82d180d3ad67f26d0c5012aeb8650f7ca1cf2b3418ebe38fe
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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