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
06/05/2024, 10:04
Static task
static1
Behavioral task
behavioral1
Sample
Telex-copy-pdf.jar
Resource
win7-20240215-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
Telex-copy-pdf.jar
Resource
win10v2004-20240426-en
10 signatures
150 seconds
General
- Target Telex-copy-pdf.jar
- Size 559KB
- Sample240506-l4b7hsbf49
- SHA256 9ea17585514dd3c67c40965ed9a96bddea86fcd903230ba306767cb313f7819b
- MD5 3bef1c79ca4636a4eb92ee90367612d0
- SHA1 2cb346efa1cbb2a790cb31a12a3f88b0f3308cd8
- SHA512 174da7ac0a6b68b4751b55f46246864a0d123ae70ac7b41b77e108d30b771886dea5908b5a5291e61ed3f2a0a2b1de8e47a51891b3f0c6166f93ee17e0af6b72
- SSDEEP 12288:TFAfj3vraZP0fJwYfe42TAp4ZJRWJwI+B4LU71zh+cx9W:Gbv2ZMhBiWp6j1xU
- 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\Telex-copy-pdf.jar java.exe - Loads dropped DLL 1 IoCs
pid Process 2280 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 1332 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Telex-copy-pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Telex-copy-pdf.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Telex-copy-pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Telex-copy-pdf.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 46 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 3828 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2144 WMIC.exe Token: SeSecurityPrivilege 2144 WMIC.exe Token: SeTakeOwnershipPrivilege 2144 WMIC.exe Token: SeLoadDriverPrivilege 2144 WMIC.exe Token: SeSystemProfilePrivilege 2144 WMIC.exe Token: SeSystemtimePrivilege 2144 WMIC.exe Token: SeProfSingleProcessPrivilege 2144 WMIC.exe Token: SeIncBasePriorityPrivilege 2144 WMIC.exe Token: SeCreatePagefilePrivilege 2144 WMIC.exe Token: SeBackupPrivilege 2144 WMIC.exe Token: SeRestorePrivilege 2144 WMIC.exe Token: SeShutdownPrivilege 2144 WMIC.exe Token: SeDebugPrivilege 2144 WMIC.exe Token: SeSystemEnvironmentPrivilege 2144 WMIC.exe Token: SeRemoteShutdownPrivilege 2144 WMIC.exe Token: SeUndockPrivilege 2144 WMIC.exe Token: SeManageVolumePrivilege 2144 WMIC.exe Token: 33 2144 WMIC.exe Token: 34 2144 WMIC.exe Token: 35 2144 WMIC.exe Token: 36 2144 WMIC.exe Token: SeIncreaseQuotaPrivilege 2144 WMIC.exe Token: SeSecurityPrivilege 2144 WMIC.exe Token: SeTakeOwnershipPrivilege 2144 WMIC.exe Token: SeLoadDriverPrivilege 2144 WMIC.exe Token: SeSystemProfilePrivilege 2144 WMIC.exe Token: SeSystemtimePrivilege 2144 WMIC.exe Token: SeProfSingleProcessPrivilege 2144 WMIC.exe Token: SeIncBasePriorityPrivilege 2144 WMIC.exe Token: SeCreatePagefilePrivilege 2144 WMIC.exe Token: SeBackupPrivilege 2144 WMIC.exe Token: SeRestorePrivilege 2144 WMIC.exe Token: SeShutdownPrivilege 2144 WMIC.exe Token: SeDebugPrivilege 2144 WMIC.exe Token: SeSystemEnvironmentPrivilege 2144 WMIC.exe Token: SeRemoteShutdownPrivilege 2144 WMIC.exe Token: SeUndockPrivilege 2144 WMIC.exe Token: SeManageVolumePrivilege 2144 WMIC.exe Token: 33 2144 WMIC.exe Token: 34 2144 WMIC.exe Token: 35 2144 WMIC.exe Token: 36 2144 WMIC.exe Token: SeIncreaseQuotaPrivilege 1012 WMIC.exe Token: SeSecurityPrivilege 1012 WMIC.exe Token: SeTakeOwnershipPrivilege 1012 WMIC.exe Token: SeLoadDriverPrivilege 1012 WMIC.exe Token: SeSystemProfilePrivilege 1012 WMIC.exe Token: SeSystemtimePrivilege 1012 WMIC.exe Token: SeProfSingleProcessPrivilege 1012 WMIC.exe Token: SeIncBasePriorityPrivilege 1012 WMIC.exe Token: SeCreatePagefilePrivilege 1012 WMIC.exe Token: SeBackupPrivilege 1012 WMIC.exe Token: SeRestorePrivilege 1012 WMIC.exe Token: SeShutdownPrivilege 1012 WMIC.exe Token: SeDebugPrivilege 1012 WMIC.exe Token: SeSystemEnvironmentPrivilege 1012 WMIC.exe Token: SeRemoteShutdownPrivilege 1012 WMIC.exe Token: SeUndockPrivilege 1012 WMIC.exe Token: SeManageVolumePrivilege 1012 WMIC.exe Token: 33 1012 WMIC.exe Token: 34 1012 WMIC.exe Token: 35 1012 WMIC.exe Token: 36 1012 WMIC.exe Token: SeIncreaseQuotaPrivilege 1012 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4388 wrote to memory of 1332 4388 java.exe 83 PID 4388 wrote to memory of 1332 4388 java.exe 83 PID 4388 wrote to memory of 232 4388 java.exe 94 PID 4388 wrote to memory of 232 4388 java.exe 94 PID 232 wrote to memory of 1832 232 java.exe 97 PID 232 wrote to memory of 1832 232 java.exe 97 PID 232 wrote to memory of 2280 232 java.exe 98 PID 232 wrote to memory of 2280 232 java.exe 98 PID 1832 wrote to memory of 3828 1832 cmd.exe 101 PID 1832 wrote to memory of 3828 1832 cmd.exe 101 PID 2280 wrote to memory of 3476 2280 java.exe 104 PID 2280 wrote to memory of 3476 2280 java.exe 104 PID 3476 wrote to memory of 2144 3476 cmd.exe 106 PID 3476 wrote to memory of 2144 3476 cmd.exe 106 PID 2280 wrote to memory of 2536 2280 java.exe 107 PID 2280 wrote to memory of 2536 2280 java.exe 107 PID 2536 wrote to memory of 1012 2536 cmd.exe 109 PID 2536 wrote to memory of 1012 2536 cmd.exe 109 PID 2280 wrote to memory of 4776 2280 java.exe 110 PID 2280 wrote to memory of 4776 2280 java.exe 110 PID 4776 wrote to memory of 2948 4776 cmd.exe 112 PID 4776 wrote to memory of 2948 4776 cmd.exe 112 PID 2280 wrote to memory of 3904 2280 java.exe 113 PID 2280 wrote to memory of 3904 2280 java.exe 113 PID 3904 wrote to memory of 2572 3904 cmd.exe 115 PID 3904 wrote to memory of 2572 3904 cmd.exe 115 - 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\Telex-copy-pdf.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
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:1332
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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\Telex-copy-pdf.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Telex-copy-pdf.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Telex-copy-pdf.jar"4⤵
- Creates scheduled task(s)
PID:3828
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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\Telex-copy-pdf.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2280 -
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:3476 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2144
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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:2536 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1012
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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:4776 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2948
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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:3904 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 16676f3bf04f52999b4ccc8b4e52117fb1490fd0afc96d83b58941400993fb8a
- MD5 099ea3b45ab2aac83c8f00bd695ed618
- SHA1 2dd52cee58dd09eda75265451f072ebc7c7601da
- SHA512 370c1b67d8aff9ff1cecbfbea4bff2f61e65d471cc5442afe0ba66cfcbae2b89d277cc57a7806b505473f1c726aaecc698dbb2661a85c1b94a2f8a3320e2d9b8
- MD5 SHA1 SHA512
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 a4a6464cdb8c7799dfdde49cc42fd1247c4cb15fb34b34ea5f5522caa97319d1
- MD5 83e4f4d39b2f50f3d75df246b7e54780
- SHA1 2daa73627850d8d13665747e6611fefbfe524b67
- SHA512 9bd122a185cf2c2a6e95d695331a525d5e4ab1386db48dcfd03126a9213299eae08b1b731ac0a29bc27c59e83e171858551d09f44775578459011a1d71d3b122
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2762959105087609668.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-1-5-21-540404634-651139247-2967210625-1000\83aa4cc77f591dfc2374580bbd95f6ba_41e50f4a-4a76-42e1-a3df-51306e426307
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\Telex-copy-pdf.jar
- Size 559KB
- SHA256 9ea17585514dd3c67c40965ed9a96bddea86fcd903230ba306767cb313f7819b
- MD5 3bef1c79ca4636a4eb92ee90367612d0
- SHA1 2cb346efa1cbb2a790cb31a12a3f88b0f3308cd8
- SHA512 174da7ac0a6b68b4751b55f46246864a0d123ae70ac7b41b77e108d30b771886dea5908b5a5291e61ed3f2a0a2b1de8e47a51891b3f0c6166f93ee17e0af6b72
- SSDEEP 12288:TFAfj3vraZP0fJwYfe42TAp4ZJRWJwI+B4LU71zh+cx9W:Gbv2ZMhBiWp6j1xU
- MD5 SHA1 SHA512 SSDEEP
- 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