Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
01/06/2024, 01:48
Static task
static1
Behavioral task
behavioral1
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win7-20240221-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
Resource
win10v2004-20240508-en
10 signatures
150 seconds
General
- Target bc9a2a405326685130143b230720469ff9e1a294157748f7ccae56faf5d15887.jar
- Size 481KB
- Sample240601-b75m5aec87
- 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 620 java.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 1284 icacls.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 31 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 1304 schtasks.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeIncreaseQuotaPrivilege 2440 WMIC.exe Token: SeSecurityPrivilege 2440 WMIC.exe Token: SeTakeOwnershipPrivilege 2440 WMIC.exe Token: SeLoadDriverPrivilege 2440 WMIC.exe Token: SeSystemProfilePrivilege 2440 WMIC.exe Token: SeSystemtimePrivilege 2440 WMIC.exe Token: SeProfSingleProcessPrivilege 2440 WMIC.exe Token: SeIncBasePriorityPrivilege 2440 WMIC.exe Token: SeCreatePagefilePrivilege 2440 WMIC.exe Token: SeBackupPrivilege 2440 WMIC.exe Token: SeRestorePrivilege 2440 WMIC.exe Token: SeShutdownPrivilege 2440 WMIC.exe Token: SeDebugPrivilege 2440 WMIC.exe Token: SeSystemEnvironmentPrivilege 2440 WMIC.exe Token: SeRemoteShutdownPrivilege 2440 WMIC.exe Token: SeUndockPrivilege 2440 WMIC.exe Token: SeManageVolumePrivilege 2440 WMIC.exe Token: 33 2440 WMIC.exe Token: 34 2440 WMIC.exe Token: 35 2440 WMIC.exe Token: 36 2440 WMIC.exe Token: SeIncreaseQuotaPrivilege 1404 WMIC.exe Token: SeSecurityPrivilege 1404 WMIC.exe Token: SeTakeOwnershipPrivilege 1404 WMIC.exe Token: SeLoadDriverPrivilege 1404 WMIC.exe Token: SeSystemProfilePrivilege 1404 WMIC.exe Token: SeSystemtimePrivilege 1404 WMIC.exe Token: SeProfSingleProcessPrivilege 1404 WMIC.exe Token: SeIncBasePriorityPrivilege 1404 WMIC.exe Token: SeCreatePagefilePrivilege 1404 WMIC.exe Token: SeBackupPrivilege 1404 WMIC.exe Token: SeRestorePrivilege 1404 WMIC.exe Token: SeShutdownPrivilege 1404 WMIC.exe Token: SeDebugPrivilege 1404 WMIC.exe Token: SeSystemEnvironmentPrivilege 1404 WMIC.exe Token: SeRemoteShutdownPrivilege 1404 WMIC.exe Token: SeUndockPrivilege 1404 WMIC.exe Token: SeManageVolumePrivilege 1404 WMIC.exe Token: 33 1404 WMIC.exe Token: 34 1404 WMIC.exe Token: 35 1404 WMIC.exe Token: 36 1404 WMIC.exe Token: SeIncreaseQuotaPrivilege 1404 WMIC.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1824 wrote to memory of 1284 1824 java.exe 84 PID 1824 wrote to memory of 1284 1824 java.exe 84 PID 1824 wrote to memory of 380 1824 java.exe 93 PID 1824 wrote to memory of 380 1824 java.exe 93 PID 380 wrote to memory of 4708 380 java.exe 95 PID 380 wrote to memory of 4708 380 java.exe 95 PID 380 wrote to memory of 620 380 java.exe 96 PID 380 wrote to memory of 620 380 java.exe 96 PID 4708 wrote to memory of 1304 4708 cmd.exe 99 PID 4708 wrote to memory of 1304 4708 cmd.exe 99 PID 620 wrote to memory of 3776 620 java.exe 101 PID 620 wrote to memory of 3776 620 java.exe 101 PID 3776 wrote to memory of 2440 3776 cmd.exe 103 PID 3776 wrote to memory of 2440 3776 cmd.exe 103 PID 620 wrote to memory of 2072 620 java.exe 104 PID 620 wrote to memory of 2072 620 java.exe 104 PID 2072 wrote to memory of 1404 2072 cmd.exe 106 PID 2072 wrote to memory of 1404 2072 cmd.exe 106 PID 620 wrote to memory of 1612 620 java.exe 107 PID 620 wrote to memory of 1612 620 java.exe 107 PID 1612 wrote to memory of 4320 1612 cmd.exe 109 PID 1612 wrote to memory of 4320 1612 cmd.exe 109 PID 620 wrote to memory of 3184 620 java.exe 110 PID 620 wrote to memory of 3184 620 java.exe 110 PID 3184 wrote to memory of 668 3184 cmd.exe 112 PID 3184 wrote to memory of 668 3184 cmd.exe 112 - 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:1824 -
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:1284
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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:380 -
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:4708 -
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:1304
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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:620 -
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:3776 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440
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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:2072 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1404
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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:1612 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4320
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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:3184 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:668
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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 885e47f41c992457113d8a49842e717c2fad6ca2aca8693b31e15988fa066abc
- MD5 5c224b64c760c48fa08a3c521242cb1f
- SHA1 af6fc125a1c46e34a40079f01243e68fa5e91f9c
- SHA512 e3b89c26d906a625d3287e05f2632871e6b03ded8244d2459704404c17548c742542bf38582f95b5dc3db1c4f41f0150eea90ec2560acd69a8acab3ebcdd07ce
- MD5 SHA1 SHA512
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 816eb02a716507ef590dca6023fd3714c34b4fb32102026bf7226565fc9ed9a0
- MD5 9165418c41847c106a21c4a039cbbcc9
- SHA1 1ae275963735c22354cdd9ef11c69a04cc33d634
- SHA512 a8929ca410aaa275c9699d08ae0a73ad2c363685904c442cf2dcfad3c4bc82c00f9f075e817068d565d3f781e2f48c482af1f725bdf7bf0f676d816071b5279e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7710776402419684402.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-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19
- 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