Analysis
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max time kernel
145s -
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
07-06-2024 08:13
Static task
static1
Behavioral task
behavioral1
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win10v2004-20240508-en
General
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Target
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
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Size
452KB
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MD5
188614b72a3baaf3f018157d12223538
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SHA1
f9d7a5a4f743c4d22f6563436761912dacba2a90
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SHA256
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
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SHA512
988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
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SSDEEP
12288:CU9r+Wu+x8qH/M10nJQpGrodvkg3/MhGQt3j0dWT:X+Wu+KqfkY6Kodvx3/MhGQtzms
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4560 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2724 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.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 38 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 3176 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2904 WMIC.exe Token: SeSecurityPrivilege 2904 WMIC.exe Token: SeTakeOwnershipPrivilege 2904 WMIC.exe Token: SeLoadDriverPrivilege 2904 WMIC.exe Token: SeSystemProfilePrivilege 2904 WMIC.exe Token: SeSystemtimePrivilege 2904 WMIC.exe Token: SeProfSingleProcessPrivilege 2904 WMIC.exe Token: SeIncBasePriorityPrivilege 2904 WMIC.exe Token: SeCreatePagefilePrivilege 2904 WMIC.exe Token: SeBackupPrivilege 2904 WMIC.exe Token: SeRestorePrivilege 2904 WMIC.exe Token: SeShutdownPrivilege 2904 WMIC.exe Token: SeDebugPrivilege 2904 WMIC.exe Token: SeSystemEnvironmentPrivilege 2904 WMIC.exe Token: SeRemoteShutdownPrivilege 2904 WMIC.exe Token: SeUndockPrivilege 2904 WMIC.exe Token: SeManageVolumePrivilege 2904 WMIC.exe Token: 33 2904 WMIC.exe Token: 34 2904 WMIC.exe Token: 35 2904 WMIC.exe Token: 36 2904 WMIC.exe Token: SeIncreaseQuotaPrivilege 2904 WMIC.exe Token: SeSecurityPrivilege 2904 WMIC.exe Token: SeTakeOwnershipPrivilege 2904 WMIC.exe Token: SeLoadDriverPrivilege 2904 WMIC.exe Token: SeSystemProfilePrivilege 2904 WMIC.exe Token: SeSystemtimePrivilege 2904 WMIC.exe Token: SeProfSingleProcessPrivilege 2904 WMIC.exe Token: SeIncBasePriorityPrivilege 2904 WMIC.exe Token: SeCreatePagefilePrivilege 2904 WMIC.exe Token: SeBackupPrivilege 2904 WMIC.exe Token: SeRestorePrivilege 2904 WMIC.exe Token: SeShutdownPrivilege 2904 WMIC.exe Token: SeDebugPrivilege 2904 WMIC.exe Token: SeSystemEnvironmentPrivilege 2904 WMIC.exe Token: SeRemoteShutdownPrivilege 2904 WMIC.exe Token: SeUndockPrivilege 2904 WMIC.exe Token: SeManageVolumePrivilege 2904 WMIC.exe Token: 33 2904 WMIC.exe Token: 34 2904 WMIC.exe Token: 35 2904 WMIC.exe Token: 36 2904 WMIC.exe Token: SeIncreaseQuotaPrivilege 4844 WMIC.exe Token: SeSecurityPrivilege 4844 WMIC.exe Token: SeTakeOwnershipPrivilege 4844 WMIC.exe Token: SeLoadDriverPrivilege 4844 WMIC.exe Token: SeSystemProfilePrivilege 4844 WMIC.exe Token: SeSystemtimePrivilege 4844 WMIC.exe Token: SeProfSingleProcessPrivilege 4844 WMIC.exe Token: SeIncBasePriorityPrivilege 4844 WMIC.exe Token: SeCreatePagefilePrivilege 4844 WMIC.exe Token: SeBackupPrivilege 4844 WMIC.exe Token: SeRestorePrivilege 4844 WMIC.exe Token: SeShutdownPrivilege 4844 WMIC.exe Token: SeDebugPrivilege 4844 WMIC.exe Token: SeSystemEnvironmentPrivilege 4844 WMIC.exe Token: SeRemoteShutdownPrivilege 4844 WMIC.exe Token: SeUndockPrivilege 4844 WMIC.exe Token: SeManageVolumePrivilege 4844 WMIC.exe Token: 33 4844 WMIC.exe Token: 34 4844 WMIC.exe Token: 35 4844 WMIC.exe Token: 36 4844 WMIC.exe Token: SeIncreaseQuotaPrivilege 4844 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 5088 wrote to memory of 2724 5088 java.exe 92 PID 5088 wrote to memory of 2724 5088 java.exe 92 PID 5088 wrote to memory of 4580 5088 java.exe 103 PID 5088 wrote to memory of 4580 5088 java.exe 103 PID 4580 wrote to memory of 2280 4580 java.exe 107 PID 4580 wrote to memory of 2280 4580 java.exe 107 PID 4580 wrote to memory of 4560 4580 java.exe 109 PID 4580 wrote to memory of 4560 4580 java.exe 109 PID 2280 wrote to memory of 3176 2280 cmd.exe 111 PID 2280 wrote to memory of 3176 2280 cmd.exe 111 PID 4560 wrote to memory of 4852 4560 java.exe 112 PID 4560 wrote to memory of 4852 4560 java.exe 112 PID 4852 wrote to memory of 2904 4852 cmd.exe 114 PID 4852 wrote to memory of 2904 4852 cmd.exe 114 PID 4560 wrote to memory of 2760 4560 java.exe 115 PID 4560 wrote to memory of 2760 4560 java.exe 115 PID 2760 wrote to memory of 4844 2760 cmd.exe 117 PID 2760 wrote to memory of 4844 2760 cmd.exe 117 PID 4560 wrote to memory of 692 4560 java.exe 118 PID 4560 wrote to memory of 692 4560 java.exe 118 PID 692 wrote to memory of 1856 692 cmd.exe 120 PID 692 wrote to memory of 1856 692 cmd.exe 120 PID 4560 wrote to memory of 1208 4560 java.exe 121 PID 4560 wrote to memory of 1208 4560 java.exe 121 PID 1208 wrote to memory of 5072 1208 cmd.exe 123 PID 1208 wrote to memory of 5072 1208 cmd.exe 123 -
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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar1⤵
- Suspicious use of WriteProcessMemory
PID:5088 -
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:2724
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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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"4⤵
- Creates scheduled task(s)
PID:3176
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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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4560 -
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:4852 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2904
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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:2760 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4844
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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:692 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1856
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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:1208 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:5072
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4212,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:81⤵PID:800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5d31f88f3d73dacf8ef15b5cca2eddc79
SHA17424e8f7046aedfa11f779cc6b5cd6d3db346e1a
SHA25650fe2db5c618b7cd3516c01ef5b328ddc4ac87617c6725de2c9375086d2bf4ea
SHA512b69c24dd529fac1d4a92723b43de5f0a9830badcad3e0f69d72b0fabd0b8538d5e78dd496ea3b5aaef183b769d3663c484cb85e7d30587b8f2672bd919829548
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Filesize
46B
MD505544297d98a773b1e836959d796323c
SHA1cb2a600600573f2c9ff0d5bc0563eb3f1d378f75
SHA25672a1c255463d70b55fe7b5e8ef0339f3ae2e215bd5ec6313e93696a3109e5aad
SHA512b1fa63de60f6805c13f77a2d5b53e40f62a2d3ecb25c47dc4ce438e180da23de9896e928f1cb0ebbedde90c8b79e874384bb792ae1909f0bac36908707bbc727
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Filesize
452KB
MD5188614b72a3baaf3f018157d12223538
SHA1f9d7a5a4f743c4d22f6563436761912dacba2a90
SHA256838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
SHA512988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1181767204-2009306918-3718769404-1000\83aa4cc77f591dfc2374580bbd95f6ba_d2547453-e731-4fdf-8f92-95f955a44aca
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