Analysis
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max time kernel
149s -
max time network
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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 01:33
Static task
static1
Behavioral task
behavioral1
Sample
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
Resource
win10v2004-20240426-en
General
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Target
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar
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Size
452KB
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MD5
4272ed6a573f28f978be8ea5b1366191
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SHA1
3e965894f332f4f73f860ac4d1818734a3ca3553
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SHA256
76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825
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SHA512
d9ba1e3422280bbfe8cc5799de6e77bf842db7923ba2d2c84c1a46e906c18fbc2c2ab3cdc4ea9885956f63d234506f63b6a1cf0554b7bf0dcbc0c8039537b61d
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SSDEEP
12288:qUlrCGWuhkqH/MZQn1QpGrolfA0TzMheQZ7TYNGT:vCGWuKqfg86Kolf1TzMheQZ3iI
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\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2804 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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.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 27 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 1660 WMIC.exe Token: SeSecurityPrivilege 1660 WMIC.exe Token: SeTakeOwnershipPrivilege 1660 WMIC.exe Token: SeLoadDriverPrivilege 1660 WMIC.exe Token: SeSystemProfilePrivilege 1660 WMIC.exe Token: SeSystemtimePrivilege 1660 WMIC.exe Token: SeProfSingleProcessPrivilege 1660 WMIC.exe Token: SeIncBasePriorityPrivilege 1660 WMIC.exe Token: SeCreatePagefilePrivilege 1660 WMIC.exe Token: SeBackupPrivilege 1660 WMIC.exe Token: SeRestorePrivilege 1660 WMIC.exe Token: SeShutdownPrivilege 1660 WMIC.exe Token: SeDebugPrivilege 1660 WMIC.exe Token: SeSystemEnvironmentPrivilege 1660 WMIC.exe Token: SeRemoteShutdownPrivilege 1660 WMIC.exe Token: SeUndockPrivilege 1660 WMIC.exe Token: SeManageVolumePrivilege 1660 WMIC.exe Token: 33 1660 WMIC.exe Token: 34 1660 WMIC.exe Token: 35 1660 WMIC.exe Token: 36 1660 WMIC.exe Token: SeIncreaseQuotaPrivilege 1660 WMIC.exe Token: SeSecurityPrivilege 1660 WMIC.exe Token: SeTakeOwnershipPrivilege 1660 WMIC.exe Token: SeLoadDriverPrivilege 1660 WMIC.exe Token: SeSystemProfilePrivilege 1660 WMIC.exe Token: SeSystemtimePrivilege 1660 WMIC.exe Token: SeProfSingleProcessPrivilege 1660 WMIC.exe Token: SeIncBasePriorityPrivilege 1660 WMIC.exe Token: SeCreatePagefilePrivilege 1660 WMIC.exe Token: SeBackupPrivilege 1660 WMIC.exe Token: SeRestorePrivilege 1660 WMIC.exe Token: SeShutdownPrivilege 1660 WMIC.exe Token: SeDebugPrivilege 1660 WMIC.exe Token: SeSystemEnvironmentPrivilege 1660 WMIC.exe Token: SeRemoteShutdownPrivilege 1660 WMIC.exe Token: SeUndockPrivilege 1660 WMIC.exe Token: SeManageVolumePrivilege 1660 WMIC.exe Token: 33 1660 WMIC.exe Token: 34 1660 WMIC.exe Token: 35 1660 WMIC.exe Token: 36 1660 WMIC.exe Token: SeIncreaseQuotaPrivilege 3720 WMIC.exe Token: SeSecurityPrivilege 3720 WMIC.exe Token: SeTakeOwnershipPrivilege 3720 WMIC.exe Token: SeLoadDriverPrivilege 3720 WMIC.exe Token: SeSystemProfilePrivilege 3720 WMIC.exe Token: SeSystemtimePrivilege 3720 WMIC.exe Token: SeProfSingleProcessPrivilege 3720 WMIC.exe Token: SeIncBasePriorityPrivilege 3720 WMIC.exe Token: SeCreatePagefilePrivilege 3720 WMIC.exe Token: SeBackupPrivilege 3720 WMIC.exe Token: SeRestorePrivilege 3720 WMIC.exe Token: SeShutdownPrivilege 3720 WMIC.exe Token: SeDebugPrivilege 3720 WMIC.exe Token: SeSystemEnvironmentPrivilege 3720 WMIC.exe Token: SeRemoteShutdownPrivilege 3720 WMIC.exe Token: SeUndockPrivilege 3720 WMIC.exe Token: SeManageVolumePrivilege 3720 WMIC.exe Token: 33 3720 WMIC.exe Token: 34 3720 WMIC.exe Token: 35 3720 WMIC.exe Token: 36 3720 WMIC.exe Token: SeIncreaseQuotaPrivilege 3720 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 4272 wrote to memory of 5028 4272 java.exe 85 PID 4272 wrote to memory of 5028 4272 java.exe 85 PID 4272 wrote to memory of 2924 4272 java.exe 91 PID 4272 wrote to memory of 2924 4272 java.exe 91 PID 2924 wrote to memory of 1396 2924 java.exe 94 PID 2924 wrote to memory of 1396 2924 java.exe 94 PID 2924 wrote to memory of 2804 2924 java.exe 96 PID 2924 wrote to memory of 2804 2924 java.exe 96 PID 1396 wrote to memory of 4544 1396 cmd.exe 98 PID 1396 wrote to memory of 4544 1396 cmd.exe 98 PID 2804 wrote to memory of 2892 2804 java.exe 99 PID 2804 wrote to memory of 2892 2804 java.exe 99 PID 2892 wrote to memory of 1660 2892 cmd.exe 101 PID 2892 wrote to memory of 1660 2892 cmd.exe 101 PID 2804 wrote to memory of 2720 2804 java.exe 102 PID 2804 wrote to memory of 2720 2804 java.exe 102 PID 2720 wrote to memory of 3720 2720 cmd.exe 104 PID 2720 wrote to memory of 3720 2720 cmd.exe 104 PID 2804 wrote to memory of 2416 2804 java.exe 105 PID 2804 wrote to memory of 2416 2804 java.exe 105 PID 2416 wrote to memory of 2728 2416 cmd.exe 107 PID 2416 wrote to memory of 2728 2416 cmd.exe 107 PID 2804 wrote to memory of 4488 2804 java.exe 108 PID 2804 wrote to memory of 4488 2804 java.exe 108 PID 4488 wrote to memory of 2456 4488 cmd.exe 110 PID 4488 wrote to memory of 2456 4488 cmd.exe 110 -
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\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4272 -
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: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\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"4⤵
- Creates scheduled task(s)
PID:4544
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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\76b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804 -
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:2892 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660
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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:2720 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3720
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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:2416 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2728
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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:4488 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5e13500b3fcff91d030f9f95ea5cbfae5
SHA15998f09ee38bdc0d1363517c48e4498412088280
SHA2561c7652ce1590026d7206d6c5175c67c61f2110a9e42f06766071232bbdef60f2
SHA512551dc3654fdfca825f1bfd2d9f035aa425756ebe96c5b9bfcbe6c8114a2b72f813ba625bdc7be87491c4f5d2e9fb6bcb3948a678042b168570a88e37cfbd5941
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Filesize
46B
MD50a107efa514fe62837a59ddc5bb1db45
SHA12201e939b3cc62400342b7fe325fc7d47baa0096
SHA256db88353f300b83c9d56bd911e83789386ad873bd073b7d73cbdf703060175789
SHA51242e21d0c1e2b6d20b628da6765729cd02bdb3e30fc94943ed70ad40841a04fae3f175d4996c235021b4e72ee8cdb4f09ba113ab8b7ef6cc3bf8d81b9c417f94f
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Filesize
452KB
MD54272ed6a573f28f978be8ea5b1366191
SHA13e965894f332f4f73f860ac4d1818734a3ca3553
SHA25676b9d3150d7b1c5fd1309c4c1e49391e415c34a2bcdee3892b6ca96eeed49825
SHA512d9ba1e3422280bbfe8cc5799de6e77bf842db7923ba2d2c84c1a46e906c18fbc2c2ab3cdc4ea9885956f63d234506f63b6a1cf0554b7bf0dcbc0c8039537b61d
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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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