Analysis
- max time kernel
145s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
08/06/2024, 07:53
Static task
static1
Behavioral task
behavioral1
Sample
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
Resource
win7-20240221-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
Resource
win10v2004-20240508-en
10 signatures
150 seconds
General
- Target 0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
- Size 452KB
- Sample240608-jrfm3abc28
- SHA256 0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
- MD5 b07c339834a5d170e4d53d5047450a8d
- SHA1 de8e5013ce628b4d1d14e3f4b665ffbda1faea82
- SHA512 c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9
- SSDEEP 12288:iU9rum+uhMaH/Ml0nZQZGrotf0wXfMhmQd3jEdkR:num+uaaf0YKKotfxXfMhmQdzWI
- 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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar java.exe - Loads dropped DLL 1 IoCs
pid Process 3488 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 1628 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.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 29 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 1760 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2636 WMIC.exe Token: SeSecurityPrivilege 2636 WMIC.exe Token: SeTakeOwnershipPrivilege 2636 WMIC.exe Token: SeLoadDriverPrivilege 2636 WMIC.exe Token: SeSystemProfilePrivilege 2636 WMIC.exe Token: SeSystemtimePrivilege 2636 WMIC.exe Token: SeProfSingleProcessPrivilege 2636 WMIC.exe Token: SeIncBasePriorityPrivilege 2636 WMIC.exe Token: SeCreatePagefilePrivilege 2636 WMIC.exe Token: SeBackupPrivilege 2636 WMIC.exe Token: SeRestorePrivilege 2636 WMIC.exe Token: SeShutdownPrivilege 2636 WMIC.exe Token: SeDebugPrivilege 2636 WMIC.exe Token: SeSystemEnvironmentPrivilege 2636 WMIC.exe Token: SeRemoteShutdownPrivilege 2636 WMIC.exe Token: SeUndockPrivilege 2636 WMIC.exe Token: SeManageVolumePrivilege 2636 WMIC.exe Token: 33 2636 WMIC.exe Token: 34 2636 WMIC.exe Token: 35 2636 WMIC.exe Token: 36 2636 WMIC.exe Token: SeIncreaseQuotaPrivilege 2636 WMIC.exe Token: SeSecurityPrivilege 2636 WMIC.exe Token: SeTakeOwnershipPrivilege 2636 WMIC.exe Token: SeLoadDriverPrivilege 2636 WMIC.exe Token: SeSystemProfilePrivilege 2636 WMIC.exe Token: SeSystemtimePrivilege 2636 WMIC.exe Token: SeProfSingleProcessPrivilege 2636 WMIC.exe Token: SeIncBasePriorityPrivilege 2636 WMIC.exe Token: SeCreatePagefilePrivilege 2636 WMIC.exe Token: SeBackupPrivilege 2636 WMIC.exe Token: SeRestorePrivilege 2636 WMIC.exe Token: SeShutdownPrivilege 2636 WMIC.exe Token: SeDebugPrivilege 2636 WMIC.exe Token: SeSystemEnvironmentPrivilege 2636 WMIC.exe Token: SeRemoteShutdownPrivilege 2636 WMIC.exe Token: SeUndockPrivilege 2636 WMIC.exe Token: SeManageVolumePrivilege 2636 WMIC.exe Token: 33 2636 WMIC.exe Token: 34 2636 WMIC.exe Token: 35 2636 WMIC.exe Token: 36 2636 WMIC.exe Token: SeIncreaseQuotaPrivilege 2000 WMIC.exe Token: SeSecurityPrivilege 2000 WMIC.exe Token: SeTakeOwnershipPrivilege 2000 WMIC.exe Token: SeLoadDriverPrivilege 2000 WMIC.exe Token: SeSystemProfilePrivilege 2000 WMIC.exe Token: SeSystemtimePrivilege 2000 WMIC.exe Token: SeProfSingleProcessPrivilege 2000 WMIC.exe Token: SeIncBasePriorityPrivilege 2000 WMIC.exe Token: SeCreatePagefilePrivilege 2000 WMIC.exe Token: SeBackupPrivilege 2000 WMIC.exe Token: SeRestorePrivilege 2000 WMIC.exe Token: SeShutdownPrivilege 2000 WMIC.exe Token: SeDebugPrivilege 2000 WMIC.exe Token: SeSystemEnvironmentPrivilege 2000 WMIC.exe Token: SeRemoteShutdownPrivilege 2000 WMIC.exe Token: SeUndockPrivilege 2000 WMIC.exe Token: SeManageVolumePrivilege 2000 WMIC.exe Token: 33 2000 WMIC.exe Token: 34 2000 WMIC.exe Token: 35 2000 WMIC.exe Token: 36 2000 WMIC.exe Token: SeIncreaseQuotaPrivilege 2000 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1876 wrote to memory of 1628 1876 java.exe 81 PID 1876 wrote to memory of 1628 1876 java.exe 81 PID 1876 wrote to memory of 864 1876 java.exe 87 PID 1876 wrote to memory of 864 1876 java.exe 87 PID 864 wrote to memory of 3312 864 java.exe 90 PID 864 wrote to memory of 3312 864 java.exe 90 PID 864 wrote to memory of 3488 864 java.exe 92 PID 864 wrote to memory of 3488 864 java.exe 92 PID 3312 wrote to memory of 1760 3312 cmd.exe 94 PID 3312 wrote to memory of 1760 3312 cmd.exe 94 PID 3488 wrote to memory of 384 3488 java.exe 95 PID 3488 wrote to memory of 384 3488 java.exe 95 PID 384 wrote to memory of 2636 384 cmd.exe 97 PID 384 wrote to memory of 2636 384 cmd.exe 97 PID 3488 wrote to memory of 4020 3488 java.exe 98 PID 3488 wrote to memory of 4020 3488 java.exe 98 PID 4020 wrote to memory of 2000 4020 cmd.exe 100 PID 4020 wrote to memory of 2000 4020 cmd.exe 100 PID 3488 wrote to memory of 3712 3488 java.exe 101 PID 3488 wrote to memory of 3712 3488 java.exe 101 PID 3712 wrote to memory of 32 3712 cmd.exe 103 PID 3712 wrote to memory of 32 3712 cmd.exe 103 PID 3488 wrote to memory of 4048 3488 java.exe 104 PID 3488 wrote to memory of 4048 3488 java.exe 104 PID 4048 wrote to memory of 2928 4048 cmd.exe 106 PID 4048 wrote to memory of 2928 4048 cmd.exe 106 - 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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1876 -
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:1628
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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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"4⤵
- Creates scheduled task(s)
PID:1760
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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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3488 -
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:384 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2636
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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:4020 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2000
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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:3712 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:32
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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:4048 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2928
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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 874f0f79758e8a641e7817d96576f2b44f827c876036aef9ffd7b1263a8293bd
- MD5 4be6e3d4c561070d6029aa4a4b64de88
- SHA1 6dc26373acbe83460760c9d3396c011cc4e2c04f
- SHA512 94dc4b68c3bfc4c5654e729d2286c2a6c4efeebcf4f823bc47b586e6738ba7fee393295f20c45a4a0b34b7dd10bd42f8c0280fa22a3f4d4a38971df5ff11cdee
- MD5 SHA1 SHA512
- Path C:\Users\Admin\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
- Size 452KB
- SHA256 0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
- MD5 b07c339834a5d170e4d53d5047450a8d
- SHA1 de8e5013ce628b4d1d14e3f4b665ffbda1faea82
- SHA512 c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9
- SSDEEP 12288:iU9rum+uhMaH/Ml0nZQZGrotf0wXfMhmQd3jEdkR:num+uaaf0YKKotfxXfMhmQdzWI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna85839771390004828.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-1-5-21-2539840389-1261165778-1087677076-1000\83aa4cc77f591dfc2374580bbd95f6ba_468f6343-c0e6-4931-9703-30c6539573cb
- 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