Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
14-05-2024 02:27
Behavioral task
behavioral1
Sample
486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar
Resource
win10v2004-20240426-en
General
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Target
486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar
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Size
164KB
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MD5
7ea89d19a8441cc58b7255dc9fb205fa
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SHA1
2ae19607a8231bffd72353766f4017eb5492f3e8
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SHA256
486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
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SHA512
0a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4
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SSDEEP
3072:AwmVMH6YMmfEEQ9c6T4u9T7rktkOsEB0zOM4rgxgFUO0x2BRQ5Jj:AzUfvBu9TUtkOsk0RmF8x2/yF
Malware Config
Extracted
strrat
79.110.62.41:7205
127.0.0.1:7205
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license_id
0EHD-YGMT-QM81-RD7S-07I6
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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
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 5048 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.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.
Processes:
flow ioc 37 ip-api.com -
Creates scheduled task(s) 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 AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 4356 WMIC.exe Token: SeSecurityPrivilege 4356 WMIC.exe Token: SeTakeOwnershipPrivilege 4356 WMIC.exe Token: SeLoadDriverPrivilege 4356 WMIC.exe Token: SeSystemProfilePrivilege 4356 WMIC.exe Token: SeSystemtimePrivilege 4356 WMIC.exe Token: SeProfSingleProcessPrivilege 4356 WMIC.exe Token: SeIncBasePriorityPrivilege 4356 WMIC.exe Token: SeCreatePagefilePrivilege 4356 WMIC.exe Token: SeBackupPrivilege 4356 WMIC.exe Token: SeRestorePrivilege 4356 WMIC.exe Token: SeShutdownPrivilege 4356 WMIC.exe Token: SeDebugPrivilege 4356 WMIC.exe Token: SeSystemEnvironmentPrivilege 4356 WMIC.exe Token: SeRemoteShutdownPrivilege 4356 WMIC.exe Token: SeUndockPrivilege 4356 WMIC.exe Token: SeManageVolumePrivilege 4356 WMIC.exe Token: 33 4356 WMIC.exe Token: 34 4356 WMIC.exe Token: 35 4356 WMIC.exe Token: 36 4356 WMIC.exe Token: SeIncreaseQuotaPrivilege 4356 WMIC.exe Token: SeSecurityPrivilege 4356 WMIC.exe Token: SeTakeOwnershipPrivilege 4356 WMIC.exe Token: SeLoadDriverPrivilege 4356 WMIC.exe Token: SeSystemProfilePrivilege 4356 WMIC.exe Token: SeSystemtimePrivilege 4356 WMIC.exe Token: SeProfSingleProcessPrivilege 4356 WMIC.exe Token: SeIncBasePriorityPrivilege 4356 WMIC.exe Token: SeCreatePagefilePrivilege 4356 WMIC.exe Token: SeBackupPrivilege 4356 WMIC.exe Token: SeRestorePrivilege 4356 WMIC.exe Token: SeShutdownPrivilege 4356 WMIC.exe Token: SeDebugPrivilege 4356 WMIC.exe Token: SeSystemEnvironmentPrivilege 4356 WMIC.exe Token: SeRemoteShutdownPrivilege 4356 WMIC.exe Token: SeUndockPrivilege 4356 WMIC.exe Token: SeManageVolumePrivilege 4356 WMIC.exe Token: 33 4356 WMIC.exe Token: 34 4356 WMIC.exe Token: 35 4356 WMIC.exe Token: 36 4356 WMIC.exe Token: SeIncreaseQuotaPrivilege 640 WMIC.exe Token: SeSecurityPrivilege 640 WMIC.exe Token: SeTakeOwnershipPrivilege 640 WMIC.exe Token: SeLoadDriverPrivilege 640 WMIC.exe Token: SeSystemProfilePrivilege 640 WMIC.exe Token: SeSystemtimePrivilege 640 WMIC.exe Token: SeProfSingleProcessPrivilege 640 WMIC.exe Token: SeIncBasePriorityPrivilege 640 WMIC.exe Token: SeCreatePagefilePrivilege 640 WMIC.exe Token: SeBackupPrivilege 640 WMIC.exe Token: SeRestorePrivilege 640 WMIC.exe Token: SeShutdownPrivilege 640 WMIC.exe Token: SeDebugPrivilege 640 WMIC.exe Token: SeSystemEnvironmentPrivilege 640 WMIC.exe Token: SeRemoteShutdownPrivilege 640 WMIC.exe Token: SeUndockPrivilege 640 WMIC.exe Token: SeManageVolumePrivilege 640 WMIC.exe Token: 33 640 WMIC.exe Token: 34 640 WMIC.exe Token: 35 640 WMIC.exe Token: 36 640 WMIC.exe Token: SeIncreaseQuotaPrivilege 640 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 1912 wrote to memory of 224 1912 java.exe 84 PID 1912 wrote to memory of 224 1912 java.exe 84 PID 1912 wrote to memory of 4064 1912 java.exe 96 PID 1912 wrote to memory of 4064 1912 java.exe 96 PID 4064 wrote to memory of 4940 4064 java.exe 98 PID 4064 wrote to memory of 4940 4064 java.exe 98 PID 4064 wrote to memory of 5048 4064 java.exe 99 PID 4064 wrote to memory of 5048 4064 java.exe 99 PID 4940 wrote to memory of 4416 4940 cmd.exe 102 PID 4940 wrote to memory of 4416 4940 cmd.exe 102 PID 5048 wrote to memory of 3100 5048 java.exe 103 PID 5048 wrote to memory of 3100 5048 java.exe 103 PID 3100 wrote to memory of 4356 3100 cmd.exe 105 PID 3100 wrote to memory of 4356 3100 cmd.exe 105 PID 5048 wrote to memory of 2136 5048 java.exe 106 PID 5048 wrote to memory of 2136 5048 java.exe 106 PID 2136 wrote to memory of 640 2136 cmd.exe 108 PID 2136 wrote to memory of 640 2136 cmd.exe 108 PID 5048 wrote to memory of 216 5048 java.exe 109 PID 5048 wrote to memory of 216 5048 java.exe 109 PID 216 wrote to memory of 444 216 cmd.exe 111 PID 216 wrote to memory of 444 216 cmd.exe 111 PID 5048 wrote to memory of 4224 5048 java.exe 112 PID 5048 wrote to memory of 4224 5048 java.exe 112 PID 4224 wrote to memory of 3112 4224 cmd.exe 114 PID 4224 wrote to memory of 3112 4224 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\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:224
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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\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar"4⤵
- Creates scheduled task(s)
PID:4416
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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\486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5048 -
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:3100 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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:2136 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:640
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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:216 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:444
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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:4224 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD50a250134d74ea0251bc7a077a0541346
SHA1e9a663746d27efac2078556269f599d18759ad82
SHA2566b9acd1085bd092c598a28f4abd38a130fa364f68897d9f0a0462dd83a65fa31
SHA5123575f0b60670084dcdbc19ca5ff6a7132629ba348ebca1ec00c8bd8b876924e4efb905257b00deb481786f11eda6496ff28f8fc135ad4281ab8ff8a15a06c719
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
164KB
MD57ea89d19a8441cc58b7255dc9fb205fa
SHA12ae19607a8231bffd72353766f4017eb5492f3e8
SHA256486b68ef93d03c4e486b8ddd9e153391e7debc6839e0c09d38999dd159e30705
SHA5120a76f52939c305b2756fa486222210a4a8c40deff0fc753d11da899baaa84da2fed37ddbd333c6b1dc91ea07a2a1bffcaeb4db08dcbb3db97c925254e6bcbaf4
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3571316656-3665257725-2415531812-1000\83aa4cc77f591dfc2374580bbd95f6ba_a47c70d8-7adc-4ad7-994f-644a8c84c176
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