Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
05-02-2025 07:15
Behavioral task
behavioral1
Sample
UPDATED_PO_9587483.jar
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
UPDATED_PO_9587483.jar
Resource
win10v2004-20250129-en
General
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Target
UPDATED_PO_9587483.jar
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Size
265KB
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MD5
41856a018cbd1dc677eed38ad8cf9724
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SHA1
74d2964716fcd41dd3b11c4f489f75ff8355b7b0
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SHA256
4cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11
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SHA512
df93fd7e45a6e1bac72f3c0851f731e3256f4bc54e84ba2a7a8ad775b571a78f541f774fa217abbda3d3f7ac66e4e5077deb32ae7b16a09a2a68d7ed5c4adf20
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SSDEEP
6144:xirWMsbCjzX7g6FgrlLdZXAe8Db36Nl2uS:x7R6ippyvaNQuS
Malware Config
Extracted
strrat
195.177.95.117:7800
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license_id
DB1U-CVGT-7HUG-X0A0-GNWH
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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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UPDATED_PO_9587483.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 3128 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UPDATED_PO_9587483 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\UPDATED_PO_9587483.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UPDATED_PO_9587483 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\UPDATED_PO_9587483.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 35 ip-api.com -
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 4424 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3956 WMIC.exe Token: SeSecurityPrivilege 3956 WMIC.exe Token: SeTakeOwnershipPrivilege 3956 WMIC.exe Token: SeLoadDriverPrivilege 3956 WMIC.exe Token: SeSystemProfilePrivilege 3956 WMIC.exe Token: SeSystemtimePrivilege 3956 WMIC.exe Token: SeProfSingleProcessPrivilege 3956 WMIC.exe Token: SeIncBasePriorityPrivilege 3956 WMIC.exe Token: SeCreatePagefilePrivilege 3956 WMIC.exe Token: SeBackupPrivilege 3956 WMIC.exe Token: SeRestorePrivilege 3956 WMIC.exe Token: SeShutdownPrivilege 3956 WMIC.exe Token: SeDebugPrivilege 3956 WMIC.exe Token: SeSystemEnvironmentPrivilege 3956 WMIC.exe Token: SeRemoteShutdownPrivilege 3956 WMIC.exe Token: SeUndockPrivilege 3956 WMIC.exe Token: SeManageVolumePrivilege 3956 WMIC.exe Token: 33 3956 WMIC.exe Token: 34 3956 WMIC.exe Token: 35 3956 WMIC.exe Token: 36 3956 WMIC.exe Token: SeIncreaseQuotaPrivilege 3956 WMIC.exe Token: SeSecurityPrivilege 3956 WMIC.exe Token: SeTakeOwnershipPrivilege 3956 WMIC.exe Token: SeLoadDriverPrivilege 3956 WMIC.exe Token: SeSystemProfilePrivilege 3956 WMIC.exe Token: SeSystemtimePrivilege 3956 WMIC.exe Token: SeProfSingleProcessPrivilege 3956 WMIC.exe Token: SeIncBasePriorityPrivilege 3956 WMIC.exe Token: SeCreatePagefilePrivilege 3956 WMIC.exe Token: SeBackupPrivilege 3956 WMIC.exe Token: SeRestorePrivilege 3956 WMIC.exe Token: SeShutdownPrivilege 3956 WMIC.exe Token: SeDebugPrivilege 3956 WMIC.exe Token: SeSystemEnvironmentPrivilege 3956 WMIC.exe Token: SeRemoteShutdownPrivilege 3956 WMIC.exe Token: SeUndockPrivilege 3956 WMIC.exe Token: SeManageVolumePrivilege 3956 WMIC.exe Token: 33 3956 WMIC.exe Token: 34 3956 WMIC.exe Token: 35 3956 WMIC.exe Token: 36 3956 WMIC.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe Token: SeSecurityPrivilege 1268 WMIC.exe Token: SeTakeOwnershipPrivilege 1268 WMIC.exe Token: SeLoadDriverPrivilege 1268 WMIC.exe Token: SeSystemProfilePrivilege 1268 WMIC.exe Token: SeSystemtimePrivilege 1268 WMIC.exe Token: SeProfSingleProcessPrivilege 1268 WMIC.exe Token: SeIncBasePriorityPrivilege 1268 WMIC.exe Token: SeCreatePagefilePrivilege 1268 WMIC.exe Token: SeBackupPrivilege 1268 WMIC.exe Token: SeRestorePrivilege 1268 WMIC.exe Token: SeShutdownPrivilege 1268 WMIC.exe Token: SeDebugPrivilege 1268 WMIC.exe Token: SeSystemEnvironmentPrivilege 1268 WMIC.exe Token: SeRemoteShutdownPrivilege 1268 WMIC.exe Token: SeUndockPrivilege 1268 WMIC.exe Token: SeManageVolumePrivilege 1268 WMIC.exe Token: 33 1268 WMIC.exe Token: 34 1268 WMIC.exe Token: 35 1268 WMIC.exe Token: 36 1268 WMIC.exe Token: SeIncreaseQuotaPrivilege 1268 WMIC.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4716 wrote to memory of 2000 4716 java.exe 90 PID 4716 wrote to memory of 2000 4716 java.exe 90 PID 2000 wrote to memory of 1376 2000 java.exe 92 PID 2000 wrote to memory of 1376 2000 java.exe 92 PID 2000 wrote to memory of 3128 2000 java.exe 93 PID 2000 wrote to memory of 3128 2000 java.exe 93 PID 1376 wrote to memory of 4424 1376 cmd.exe 96 PID 1376 wrote to memory of 4424 1376 cmd.exe 96 PID 3128 wrote to memory of 4728 3128 java.exe 97 PID 3128 wrote to memory of 4728 3128 java.exe 97 PID 4728 wrote to memory of 3956 4728 cmd.exe 99 PID 4728 wrote to memory of 3956 4728 cmd.exe 99 PID 3128 wrote to memory of 3368 3128 java.exe 101 PID 3128 wrote to memory of 3368 3128 java.exe 101 PID 3368 wrote to memory of 1268 3368 cmd.exe 103 PID 3368 wrote to memory of 1268 3368 cmd.exe 103 PID 3128 wrote to memory of 3796 3128 java.exe 104 PID 3128 wrote to memory of 3796 3128 java.exe 104 PID 3796 wrote to memory of 2028 3796 cmd.exe 106 PID 3796 wrote to memory of 2028 3796 cmd.exe 106 PID 3128 wrote to memory of 5112 3128 java.exe 107 PID 3128 wrote to memory of 5112 3128 java.exe 107 PID 5112 wrote to memory of 1920 5112 cmd.exe 109 PID 5112 wrote to memory of 1920 5112 cmd.exe 109 -
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\UPDATED_PO_9587483.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\UPDATED_PO_9587483.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\UPDATED_PO_9587483.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\UPDATED_PO_9587483.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:4424
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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\UPDATED_PO_9587483.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3128 -
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:4728 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3956
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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:3368 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1268
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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:3796 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2028
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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:5112 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1920
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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
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4174397412-4125106315-2776226590-1000\83aa4cc77f591dfc2374580bbd95f6ba_dbc3475f-8e10-4d8b-9c51-946d7236bf0c
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
265KB
MD541856a018cbd1dc677eed38ad8cf9724
SHA174d2964716fcd41dd3b11c4f489f75ff8355b7b0
SHA2564cb1d47e690d235180af017ab57ba220d8b792160d34b4309829da8808437e11
SHA512df93fd7e45a6e1bac72f3c0851f731e3256f4bc54e84ba2a7a8ad775b571a78f541f774fa217abbda3d3f7ac66e4e5077deb32ae7b16a09a2a68d7ed5c4adf20
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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