Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
04/06/2024, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
Resource
win7-20240221-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
Resource
win10v2004-20240426-en
10 signatures
150 seconds
General
- Target 87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
- Size 453KB
- Sample240604-srd9nsbh98
- SHA256 87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
- MD5 e11d4be9ebd996da2df7f4e07a06876d
- SHA1 1e809d3f00f40cf03cf9a5335399acafa2037fc5
- SHA512 e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
- SSDEEP 12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar java.exe - Loads dropped DLL 1 IoCs
pid Process 444 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 2380 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.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 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.
pid Process 1160 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3232 WMIC.exe Token: SeSecurityPrivilege 3232 WMIC.exe Token: SeTakeOwnershipPrivilege 3232 WMIC.exe Token: SeLoadDriverPrivilege 3232 WMIC.exe Token: SeSystemProfilePrivilege 3232 WMIC.exe Token: SeSystemtimePrivilege 3232 WMIC.exe Token: SeProfSingleProcessPrivilege 3232 WMIC.exe Token: SeIncBasePriorityPrivilege 3232 WMIC.exe Token: SeCreatePagefilePrivilege 3232 WMIC.exe Token: SeBackupPrivilege 3232 WMIC.exe Token: SeRestorePrivilege 3232 WMIC.exe Token: SeShutdownPrivilege 3232 WMIC.exe Token: SeDebugPrivilege 3232 WMIC.exe Token: SeSystemEnvironmentPrivilege 3232 WMIC.exe Token: SeRemoteShutdownPrivilege 3232 WMIC.exe Token: SeUndockPrivilege 3232 WMIC.exe Token: SeManageVolumePrivilege 3232 WMIC.exe Token: 33 3232 WMIC.exe Token: 34 3232 WMIC.exe Token: 35 3232 WMIC.exe Token: 36 3232 WMIC.exe Token: SeIncreaseQuotaPrivilege 3232 WMIC.exe Token: SeSecurityPrivilege 3232 WMIC.exe Token: SeTakeOwnershipPrivilege 3232 WMIC.exe Token: SeLoadDriverPrivilege 3232 WMIC.exe Token: SeSystemProfilePrivilege 3232 WMIC.exe Token: SeSystemtimePrivilege 3232 WMIC.exe Token: SeProfSingleProcessPrivilege 3232 WMIC.exe Token: SeIncBasePriorityPrivilege 3232 WMIC.exe Token: SeCreatePagefilePrivilege 3232 WMIC.exe Token: SeBackupPrivilege 3232 WMIC.exe Token: SeRestorePrivilege 3232 WMIC.exe Token: SeShutdownPrivilege 3232 WMIC.exe Token: SeDebugPrivilege 3232 WMIC.exe Token: SeSystemEnvironmentPrivilege 3232 WMIC.exe Token: SeRemoteShutdownPrivilege 3232 WMIC.exe Token: SeUndockPrivilege 3232 WMIC.exe Token: SeManageVolumePrivilege 3232 WMIC.exe Token: 33 3232 WMIC.exe Token: 34 3232 WMIC.exe Token: 35 3232 WMIC.exe Token: 36 3232 WMIC.exe Token: SeIncreaseQuotaPrivilege 1656 WMIC.exe Token: SeSecurityPrivilege 1656 WMIC.exe Token: SeTakeOwnershipPrivilege 1656 WMIC.exe Token: SeLoadDriverPrivilege 1656 WMIC.exe Token: SeSystemProfilePrivilege 1656 WMIC.exe Token: SeSystemtimePrivilege 1656 WMIC.exe Token: SeProfSingleProcessPrivilege 1656 WMIC.exe Token: SeIncBasePriorityPrivilege 1656 WMIC.exe Token: SeCreatePagefilePrivilege 1656 WMIC.exe Token: SeBackupPrivilege 1656 WMIC.exe Token: SeRestorePrivilege 1656 WMIC.exe Token: SeShutdownPrivilege 1656 WMIC.exe Token: SeDebugPrivilege 1656 WMIC.exe Token: SeSystemEnvironmentPrivilege 1656 WMIC.exe Token: SeRemoteShutdownPrivilege 1656 WMIC.exe Token: SeUndockPrivilege 1656 WMIC.exe Token: SeManageVolumePrivilege 1656 WMIC.exe Token: 33 1656 WMIC.exe Token: 34 1656 WMIC.exe Token: 35 1656 WMIC.exe Token: 36 1656 WMIC.exe Token: SeIncreaseQuotaPrivilege 1656 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1616 wrote to memory of 2380 1616 java.exe 83 PID 1616 wrote to memory of 2380 1616 java.exe 83 PID 1616 wrote to memory of 4804 1616 java.exe 93 PID 1616 wrote to memory of 4804 1616 java.exe 93 PID 4804 wrote to memory of 1236 4804 java.exe 95 PID 4804 wrote to memory of 1236 4804 java.exe 95 PID 4804 wrote to memory of 444 4804 java.exe 97 PID 4804 wrote to memory of 444 4804 java.exe 97 PID 1236 wrote to memory of 1160 1236 cmd.exe 100 PID 1236 wrote to memory of 1160 1236 cmd.exe 100 PID 444 wrote to memory of 4796 444 java.exe 102 PID 444 wrote to memory of 4796 444 java.exe 102 PID 4796 wrote to memory of 3232 4796 cmd.exe 104 PID 4796 wrote to memory of 3232 4796 cmd.exe 104 PID 444 wrote to memory of 3552 444 java.exe 105 PID 444 wrote to memory of 3552 444 java.exe 105 PID 3552 wrote to memory of 1656 3552 cmd.exe 107 PID 3552 wrote to memory of 1656 3552 cmd.exe 107 PID 444 wrote to memory of 4416 444 java.exe 108 PID 444 wrote to memory of 4416 444 java.exe 108 PID 4416 wrote to memory of 4736 4416 cmd.exe 110 PID 4416 wrote to memory of 4736 4416 cmd.exe 110 PID 444 wrote to memory of 3396 444 java.exe 111 PID 444 wrote to memory of 3396 444 java.exe 111 PID 3396 wrote to memory of 2200 3396 cmd.exe 113 PID 3396 wrote to memory of 2200 3396 cmd.exe 113 - 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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
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:2380
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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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"4⤵
- Creates scheduled task(s)
PID:1160
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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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:444 -
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:4796 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3232
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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:3552 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1656
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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:4416 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4736
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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:3396 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 3a53e2addbd0664e24ebb7209c7b6a0cce103ebf97266596bfad20ebf27e5378
- MD5 06faf096d36fb0abe4555a797ce6a18c
- SHA1 e71d0e3904a52364fd973490f66aeff0d97e8b1d
- SHA512 1d0fae1324a7e394cc47140c4256627ae70efd657c2f99a181c50b6ec276345133e3478d2f3840a39d121a1b35ef0896c7b64784c7fcf7990461072ab444b685
- MD5 SHA1 SHA512
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 d4e2101c75bc2e78645718fc27fa784841068cac6e43c3ecfb367aba3f9bc0b3
- MD5 fbadbb7b06ebfbd042cb3881755e4136
- SHA1 a2e42efe216ad6fd5be3446ff15f72d0a60879af
- SHA512 a6d8fca0b6c75afb9fdd71c0c8e18d9464640c14fdb0caaa0d28cbdcc6f4a5dfa083224ba0d29f1082c67fe42e0279cf405ea9f9144a0c925c671b82322915f6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
- Size 453KB
- SHA256 87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
- MD5 e11d4be9ebd996da2df7f4e07a06876d
- SHA1 1e809d3f00f40cf03cf9a5335399acafa2037fc5
- SHA512 e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
- SSDEEP 12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna848786241556711149.dll
- Size 241KB
- SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
- MD5 e02979ecd43bcc9061eb2b494ab5af50
- SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
- SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
- SSDEEP 6144:YW2uuBVCg2ZF0xk5udHB7EkAgEEz2Lh2LDh+MDWHNaL7yyubjmiy9NBW:YW2uAC9sVEZL0vdnz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\lib\jna-5.5.0.jar
- Size 1.4MB
- SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
- MD5 acfb5b5fd9ee10bf69497792fd469f85
- SHA1 0e0845217c4907822403912ad6828d8e0b256208
- SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
- SSDEEP 24576:BggLnybolJdaW+864NkqCUer8N7sSFOaj5lWOEMIKk6idJRWPTgzq3bICEz2lFO:BTnybo9aW+L5qCUO0xsiMPZrJgPLLIO6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
- Size 2.6MB
- SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
- MD5 2f4a99c2758e72ee2b59a73586a2322f
- SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
- SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
- SSDEEP 24576:DyciOooDbK7Yw1J75n4BP/NtK2ov3mhDR6:3iOLDOZJ75nwtK2ovWh8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
- Size 4.1MB
- SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
- MD5 b33387e15ab150a7bf560abdc73c3bec
- SHA1 66b8075784131f578ef893fd7674273f709b9a4c
- SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
- SSDEEP 98304:czJoX0izQbrabWo2MxgErRYxFOY8IsFWyTIiTIzMpca:cJoXHQKW9MxRr8wZZsikzMaa
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\lib\system-hook-3.5.jar
- Size 772KB
- SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
- MD5 e1aa38a1e78a76a6de73efae136cdb3a
- SHA1 c463da71871f780b2e2e5dba115d43953b537daf
- SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
- SSDEEP 24576:IhCFW8WXvOsWW9XGmvcVfkfTnzrLvadKPpv:IhCYWstW202t
- MD5 SHA1 SHA512 SSDEEP