Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
01/06/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win7-20240220-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win10v2004-20240426-en
10 signatures
150 seconds
General
- Target bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
- Size 481KB
- Sample240601-ymactadc5z
- SHA256 bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887
- MD5 95280ff1d28b3af85b570f55b0d113b8
- SHA1 6232e80612b3680de897ac40ba18f3e3ac03e3ff
- SHA512 4b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0
- SSDEEP 12288:S1lenKeQSPEkhDboZFIRb5hLpCG5JMUFyWJKct:SnenlfHo81EEyWZ
- 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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar java.exe - Loads dropped DLL 1 IoCs
pid Process 5108 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 4360 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.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 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5028 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5040 WMIC.exe Token: SeSecurityPrivilege 5040 WMIC.exe Token: SeTakeOwnershipPrivilege 5040 WMIC.exe Token: SeLoadDriverPrivilege 5040 WMIC.exe Token: SeSystemProfilePrivilege 5040 WMIC.exe Token: SeSystemtimePrivilege 5040 WMIC.exe Token: SeProfSingleProcessPrivilege 5040 WMIC.exe Token: SeIncBasePriorityPrivilege 5040 WMIC.exe Token: SeCreatePagefilePrivilege 5040 WMIC.exe Token: SeBackupPrivilege 5040 WMIC.exe Token: SeRestorePrivilege 5040 WMIC.exe Token: SeShutdownPrivilege 5040 WMIC.exe Token: SeDebugPrivilege 5040 WMIC.exe Token: SeSystemEnvironmentPrivilege 5040 WMIC.exe Token: SeRemoteShutdownPrivilege 5040 WMIC.exe Token: SeUndockPrivilege 5040 WMIC.exe Token: SeManageVolumePrivilege 5040 WMIC.exe Token: 33 5040 WMIC.exe Token: 34 5040 WMIC.exe Token: 35 5040 WMIC.exe Token: 36 5040 WMIC.exe Token: SeIncreaseQuotaPrivilege 5040 WMIC.exe Token: SeSecurityPrivilege 5040 WMIC.exe Token: SeTakeOwnershipPrivilege 5040 WMIC.exe Token: SeLoadDriverPrivilege 5040 WMIC.exe Token: SeSystemProfilePrivilege 5040 WMIC.exe Token: SeSystemtimePrivilege 5040 WMIC.exe Token: SeProfSingleProcessPrivilege 5040 WMIC.exe Token: SeIncBasePriorityPrivilege 5040 WMIC.exe Token: SeCreatePagefilePrivilege 5040 WMIC.exe Token: SeBackupPrivilege 5040 WMIC.exe Token: SeRestorePrivilege 5040 WMIC.exe Token: SeShutdownPrivilege 5040 WMIC.exe Token: SeDebugPrivilege 5040 WMIC.exe Token: SeSystemEnvironmentPrivilege 5040 WMIC.exe Token: SeRemoteShutdownPrivilege 5040 WMIC.exe Token: SeUndockPrivilege 5040 WMIC.exe Token: SeManageVolumePrivilege 5040 WMIC.exe Token: 33 5040 WMIC.exe Token: 34 5040 WMIC.exe Token: 35 5040 WMIC.exe Token: 36 5040 WMIC.exe Token: SeIncreaseQuotaPrivilege 4500 WMIC.exe Token: SeSecurityPrivilege 4500 WMIC.exe Token: SeTakeOwnershipPrivilege 4500 WMIC.exe Token: SeLoadDriverPrivilege 4500 WMIC.exe Token: SeSystemProfilePrivilege 4500 WMIC.exe Token: SeSystemtimePrivilege 4500 WMIC.exe Token: SeProfSingleProcessPrivilege 4500 WMIC.exe Token: SeIncBasePriorityPrivilege 4500 WMIC.exe Token: SeCreatePagefilePrivilege 4500 WMIC.exe Token: SeBackupPrivilege 4500 WMIC.exe Token: SeRestorePrivilege 4500 WMIC.exe Token: SeShutdownPrivilege 4500 WMIC.exe Token: SeDebugPrivilege 4500 WMIC.exe Token: SeSystemEnvironmentPrivilege 4500 WMIC.exe Token: SeRemoteShutdownPrivilege 4500 WMIC.exe Token: SeUndockPrivilege 4500 WMIC.exe Token: SeManageVolumePrivilege 4500 WMIC.exe Token: 33 4500 WMIC.exe Token: 34 4500 WMIC.exe Token: 35 4500 WMIC.exe Token: 36 4500 WMIC.exe Token: SeIncreaseQuotaPrivilege 4500 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3568 wrote to memory of 4360 3568 java.exe 84 PID 3568 wrote to memory of 4360 3568 java.exe 84 PID 3568 wrote to memory of 4828 3568 java.exe 95 PID 3568 wrote to memory of 4828 3568 java.exe 95 PID 4828 wrote to memory of 4072 4828 java.exe 97 PID 4828 wrote to memory of 4072 4828 java.exe 97 PID 4828 wrote to memory of 5108 4828 java.exe 99 PID 4828 wrote to memory of 5108 4828 java.exe 99 PID 4072 wrote to memory of 5028 4072 cmd.exe 101 PID 4072 wrote to memory of 5028 4072 cmd.exe 101 PID 5108 wrote to memory of 2516 5108 java.exe 102 PID 5108 wrote to memory of 2516 5108 java.exe 102 PID 2516 wrote to memory of 5040 2516 cmd.exe 104 PID 2516 wrote to memory of 5040 2516 cmd.exe 104 PID 5108 wrote to memory of 1280 5108 java.exe 105 PID 5108 wrote to memory of 1280 5108 java.exe 105 PID 1280 wrote to memory of 4500 1280 cmd.exe 107 PID 1280 wrote to memory of 4500 1280 cmd.exe 107 PID 5108 wrote to memory of 3732 5108 java.exe 108 PID 5108 wrote to memory of 3732 5108 java.exe 108 PID 3732 wrote to memory of 3712 3732 cmd.exe 110 PID 3732 wrote to memory of 3712 3732 cmd.exe 110 PID 5108 wrote to memory of 4608 5108 java.exe 111 PID 5108 wrote to memory of 4608 5108 java.exe 111 PID 4608 wrote to memory of 2796 4608 cmd.exe 113 PID 4608 wrote to memory of 2796 4608 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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3568 -
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:4360
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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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"4⤵
- Creates scheduled task(s)
PID:5028
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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\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5108 -
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:2516 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5040
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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:1280 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4500
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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:3732 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3712
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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:4608 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2796
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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 3e4bc9f2b3a587d534ca5fd077e28b591afd02e70795a5fb5cc70aa8012c625e
- MD5 10b6b25f5e4cbcb9475c9bfbec2f47e7
- SHA1 479620a22d8738cea1616e1342d58e0e4073c755
- SHA512 ba5c0f10c1c387d29132c903e7066d873ce52c9c373a4514164b5862d5d922e877383f024f99e342663737e8967d71fa9f21630afa1a84fad96d121667edc807
- MD5 SHA1 SHA512
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 3ba9505a02486f00ac1f6e7943fdc8387e0b9f898eb1c651fd2272f9f4df7aa4
- MD5 44087dccdb83b30c8c239eb2d87a12c9
- SHA1 58e46643363b9be84882fe98bc36d70ddf64c278
- SHA512 ad5692be20ffd53a0296e9b5ecb4aa9b2bacbc216087008c6390ec59f4abc174a3ac73a6a2352374acb5eb7b958f3f4a86adfc36a139629ab6d8348f19e5b5a8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7778554357757539421.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-1-5-21-3571316656-3665257725-2415531812-1000\83aa4cc77f591dfc2374580bbd95f6ba_a47c70d8-7adc-4ad7-994f-644a8c84c176
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
- Size 481KB
- SHA256 bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887
- MD5 95280ff1d28b3af85b570f55b0d113b8
- SHA1 6232e80612b3680de897ac40ba18f3e3ac03e3ff
- SHA512 4b9ba1bdd7603aee780de4a98d698ab786177d2acc5c13667181a7846f09f1953544a8e6e6373685fdbf5c3a31d11149f579773cd31bddb0291484c63c61d6b0
- SSDEEP 12288:S1lenKeQSPEkhDboZFIRb5hLpCG5JMUFyWJKct:SnenlfHo81EEyWZ
- 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