Analysis
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max time kernel
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max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 01:37
Static task
static1
Behavioral task
behavioral1
Sample
cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar
Resource
win10v2004-20240508-en
General
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Target
cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar
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Size
452KB
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MD5
42fd31ecef528cdfadc0c2029acd4dd3
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SHA1
19712ae2e86368ee1bdad8bcad63bd0737f1ea29
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SHA256
cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049
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SHA512
ad11734d8c8d325e326ad3e098931236780f2ea91910f0af538f17648a6ebc26e93b068f84eea254f55d992365526624a18006a6317bd2b8f41f1b01c493477f
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SSDEEP
12288:KU+rjFbxSTrH/MD8nAQaGroLs1zYJMhTQaQZbX6I:2jFbxurfOAqKoLslYJMhTQaMzl
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
java.exedescription ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 4880 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.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.
Processes:
flow ioc 28 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3252 WMIC.exe Token: SeSecurityPrivilege 3252 WMIC.exe Token: SeTakeOwnershipPrivilege 3252 WMIC.exe Token: SeLoadDriverPrivilege 3252 WMIC.exe Token: SeSystemProfilePrivilege 3252 WMIC.exe Token: SeSystemtimePrivilege 3252 WMIC.exe Token: SeProfSingleProcessPrivilege 3252 WMIC.exe Token: SeIncBasePriorityPrivilege 3252 WMIC.exe Token: SeCreatePagefilePrivilege 3252 WMIC.exe Token: SeBackupPrivilege 3252 WMIC.exe Token: SeRestorePrivilege 3252 WMIC.exe Token: SeShutdownPrivilege 3252 WMIC.exe Token: SeDebugPrivilege 3252 WMIC.exe Token: SeSystemEnvironmentPrivilege 3252 WMIC.exe Token: SeRemoteShutdownPrivilege 3252 WMIC.exe Token: SeUndockPrivilege 3252 WMIC.exe Token: SeManageVolumePrivilege 3252 WMIC.exe Token: 33 3252 WMIC.exe Token: 34 3252 WMIC.exe Token: 35 3252 WMIC.exe Token: 36 3252 WMIC.exe Token: SeIncreaseQuotaPrivilege 3252 WMIC.exe Token: SeSecurityPrivilege 3252 WMIC.exe Token: SeTakeOwnershipPrivilege 3252 WMIC.exe Token: SeLoadDriverPrivilege 3252 WMIC.exe Token: SeSystemProfilePrivilege 3252 WMIC.exe Token: SeSystemtimePrivilege 3252 WMIC.exe Token: SeProfSingleProcessPrivilege 3252 WMIC.exe Token: SeIncBasePriorityPrivilege 3252 WMIC.exe Token: SeCreatePagefilePrivilege 3252 WMIC.exe Token: SeBackupPrivilege 3252 WMIC.exe Token: SeRestorePrivilege 3252 WMIC.exe Token: SeShutdownPrivilege 3252 WMIC.exe Token: SeDebugPrivilege 3252 WMIC.exe Token: SeSystemEnvironmentPrivilege 3252 WMIC.exe Token: SeRemoteShutdownPrivilege 3252 WMIC.exe Token: SeUndockPrivilege 3252 WMIC.exe Token: SeManageVolumePrivilege 3252 WMIC.exe Token: 33 3252 WMIC.exe Token: 34 3252 WMIC.exe Token: 35 3252 WMIC.exe Token: 36 3252 WMIC.exe Token: SeIncreaseQuotaPrivilege 1324 WMIC.exe Token: SeSecurityPrivilege 1324 WMIC.exe Token: SeTakeOwnershipPrivilege 1324 WMIC.exe Token: SeLoadDriverPrivilege 1324 WMIC.exe Token: SeSystemProfilePrivilege 1324 WMIC.exe Token: SeSystemtimePrivilege 1324 WMIC.exe Token: SeProfSingleProcessPrivilege 1324 WMIC.exe Token: SeIncBasePriorityPrivilege 1324 WMIC.exe Token: SeCreatePagefilePrivilege 1324 WMIC.exe Token: SeBackupPrivilege 1324 WMIC.exe Token: SeRestorePrivilege 1324 WMIC.exe Token: SeShutdownPrivilege 1324 WMIC.exe Token: SeDebugPrivilege 1324 WMIC.exe Token: SeSystemEnvironmentPrivilege 1324 WMIC.exe Token: SeRemoteShutdownPrivilege 1324 WMIC.exe Token: SeUndockPrivilege 1324 WMIC.exe Token: SeManageVolumePrivilege 1324 WMIC.exe Token: 33 1324 WMIC.exe Token: 34 1324 WMIC.exe Token: 35 1324 WMIC.exe Token: 36 1324 WMIC.exe Token: SeIncreaseQuotaPrivilege 1324 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4536 wrote to memory of 4652 4536 java.exe 85 PID 4536 wrote to memory of 4652 4536 java.exe 85 PID 4536 wrote to memory of 2648 4536 java.exe 94 PID 4536 wrote to memory of 2648 4536 java.exe 94 PID 2648 wrote to memory of 2232 2648 java.exe 97 PID 2648 wrote to memory of 2232 2648 java.exe 97 PID 2648 wrote to memory of 4880 2648 java.exe 98 PID 2648 wrote to memory of 4880 2648 java.exe 98 PID 2232 wrote to memory of 3116 2232 cmd.exe 101 PID 2232 wrote to memory of 3116 2232 cmd.exe 101 PID 4880 wrote to memory of 4176 4880 java.exe 102 PID 4880 wrote to memory of 4176 4880 java.exe 102 PID 4176 wrote to memory of 3252 4176 cmd.exe 104 PID 4176 wrote to memory of 3252 4176 cmd.exe 104 PID 4880 wrote to memory of 3744 4880 java.exe 105 PID 4880 wrote to memory of 3744 4880 java.exe 105 PID 3744 wrote to memory of 1324 3744 cmd.exe 107 PID 3744 wrote to memory of 1324 3744 cmd.exe 107 PID 4880 wrote to memory of 4544 4880 java.exe 108 PID 4880 wrote to memory of 4544 4880 java.exe 108 PID 4544 wrote to memory of 4524 4544 cmd.exe 110 PID 4544 wrote to memory of 4524 4544 cmd.exe 110 PID 4880 wrote to memory of 4364 4880 java.exe 111 PID 4880 wrote to memory of 4364 4880 java.exe 111 PID 4364 wrote to memory of 4216 4364 cmd.exe 113 PID 4364 wrote to memory of 4216 4364 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\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4536 -
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:4652
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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\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar"4⤵
- Creates scheduled task(s)
PID:3116
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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\cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4880 -
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:4176 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3252
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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:3744 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1324
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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:4544 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4524
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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:4364 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4216
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5c11370b3e8e6c9a6f017f6689f75b7d4
SHA1d8231a3aa344f3197161aea8f04c2c8f662e612e
SHA25647592b146862ee2d2b0ed0652730de95faee05770f253aa80ebb3b4f3f1a0b8b
SHA5120d0135371cc071cef31c11d241ce0a1d783fa7ca2fbfa251c3a5a5c6ebcc89f59ea1a40d90dd3c862d04aa761a9011abcbc375d114c103da600069e81d4ba7cf
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Filesize
46B
MD58d15a4dd998e86aad9c1d7bc4b78a08f
SHA1af1cf7a202facfa3bc1be0a74910fd031301a2a5
SHA256dfdc5d0c4b3a637e5f9bd3f0cf84f49160482120bfe0e7a0c06541cc249163dc
SHA512793a22d64ffa502356feefb8d08250d5e684ddcae412db691d5789a785038f6b2e33c0a3e2f27d38747f3ff4d580ce4d6b710ce12484fc9587d4d447d2ba334e
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
452KB
MD542fd31ecef528cdfadc0c2029acd4dd3
SHA119712ae2e86368ee1bdad8bcad63bd0737f1ea29
SHA256cdddb72528ea0f9535676df3b408ba6bf4a8bf8b7d6a0ed6f74950c5300ab049
SHA512ad11734d8c8d325e326ad3e098931236780f2ea91910f0af538f17648a6ebc26e93b068f84eea254f55d992365526624a18006a6317bd2b8f41f1b01c493477f
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d