Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 02:50
Static task
static1
Behavioral task
behavioral1
Sample
de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar
Resource
win10v2004-20240226-en
General
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Target
de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar
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Size
452KB
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MD5
84be8a1b68d7a353710700029fd8349b
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SHA1
36663d658ae5a108124c505fb47adb59a09f6733
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SHA256
de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28
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SHA512
0ffcc35d03e5c4a0314c8d7cc6e707e1ea3cc078f2beeaffa5a89ef56f47e8755932302105ad87b73a7859c38056369f0eda0a3a8ca195ebe647f6ba608f359a
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SSDEEP
12288:uUpr2+6KZAuH/MlEntQRGrohbMYLLMhuQ1vnotaS:L2+6KSuf4omKohbVLLMhuQ1vGD
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\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 540 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4784 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.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 36 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 2680 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4156 WMIC.exe Token: SeSecurityPrivilege 4156 WMIC.exe Token: SeTakeOwnershipPrivilege 4156 WMIC.exe Token: SeLoadDriverPrivilege 4156 WMIC.exe Token: SeSystemProfilePrivilege 4156 WMIC.exe Token: SeSystemtimePrivilege 4156 WMIC.exe Token: SeProfSingleProcessPrivilege 4156 WMIC.exe Token: SeIncBasePriorityPrivilege 4156 WMIC.exe Token: SeCreatePagefilePrivilege 4156 WMIC.exe Token: SeBackupPrivilege 4156 WMIC.exe Token: SeRestorePrivilege 4156 WMIC.exe Token: SeShutdownPrivilege 4156 WMIC.exe Token: SeDebugPrivilege 4156 WMIC.exe Token: SeSystemEnvironmentPrivilege 4156 WMIC.exe Token: SeRemoteShutdownPrivilege 4156 WMIC.exe Token: SeUndockPrivilege 4156 WMIC.exe Token: SeManageVolumePrivilege 4156 WMIC.exe Token: 33 4156 WMIC.exe Token: 34 4156 WMIC.exe Token: 35 4156 WMIC.exe Token: 36 4156 WMIC.exe Token: SeIncreaseQuotaPrivilege 4156 WMIC.exe Token: SeSecurityPrivilege 4156 WMIC.exe Token: SeTakeOwnershipPrivilege 4156 WMIC.exe Token: SeLoadDriverPrivilege 4156 WMIC.exe Token: SeSystemProfilePrivilege 4156 WMIC.exe Token: SeSystemtimePrivilege 4156 WMIC.exe Token: SeProfSingleProcessPrivilege 4156 WMIC.exe Token: SeIncBasePriorityPrivilege 4156 WMIC.exe Token: SeCreatePagefilePrivilege 4156 WMIC.exe Token: SeBackupPrivilege 4156 WMIC.exe Token: SeRestorePrivilege 4156 WMIC.exe Token: SeShutdownPrivilege 4156 WMIC.exe Token: SeDebugPrivilege 4156 WMIC.exe Token: SeSystemEnvironmentPrivilege 4156 WMIC.exe Token: SeRemoteShutdownPrivilege 4156 WMIC.exe Token: SeUndockPrivilege 4156 WMIC.exe Token: SeManageVolumePrivilege 4156 WMIC.exe Token: 33 4156 WMIC.exe Token: 34 4156 WMIC.exe Token: 35 4156 WMIC.exe Token: 36 4156 WMIC.exe Token: SeIncreaseQuotaPrivilege 1328 WMIC.exe Token: SeSecurityPrivilege 1328 WMIC.exe Token: SeTakeOwnershipPrivilege 1328 WMIC.exe Token: SeLoadDriverPrivilege 1328 WMIC.exe Token: SeSystemProfilePrivilege 1328 WMIC.exe Token: SeSystemtimePrivilege 1328 WMIC.exe Token: SeProfSingleProcessPrivilege 1328 WMIC.exe Token: SeIncBasePriorityPrivilege 1328 WMIC.exe Token: SeCreatePagefilePrivilege 1328 WMIC.exe Token: SeBackupPrivilege 1328 WMIC.exe Token: SeRestorePrivilege 1328 WMIC.exe Token: SeShutdownPrivilege 1328 WMIC.exe Token: SeDebugPrivilege 1328 WMIC.exe Token: SeSystemEnvironmentPrivilege 1328 WMIC.exe Token: SeRemoteShutdownPrivilege 1328 WMIC.exe Token: SeUndockPrivilege 1328 WMIC.exe Token: SeManageVolumePrivilege 1328 WMIC.exe Token: 33 1328 WMIC.exe Token: 34 1328 WMIC.exe Token: 35 1328 WMIC.exe Token: 36 1328 WMIC.exe Token: SeIncreaseQuotaPrivilege 1328 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4060 wrote to memory of 4784 4060 java.exe 92 PID 4060 wrote to memory of 4784 4060 java.exe 92 PID 4060 wrote to memory of 1932 4060 java.exe 98 PID 4060 wrote to memory of 1932 4060 java.exe 98 PID 1932 wrote to memory of 780 1932 java.exe 101 PID 1932 wrote to memory of 780 1932 java.exe 101 PID 1932 wrote to memory of 540 1932 java.exe 102 PID 1932 wrote to memory of 540 1932 java.exe 102 PID 780 wrote to memory of 2680 780 cmd.exe 105 PID 780 wrote to memory of 2680 780 cmd.exe 105 PID 540 wrote to memory of 1236 540 java.exe 108 PID 540 wrote to memory of 1236 540 java.exe 108 PID 1236 wrote to memory of 4156 1236 cmd.exe 110 PID 1236 wrote to memory of 4156 1236 cmd.exe 110 PID 540 wrote to memory of 1548 540 java.exe 111 PID 540 wrote to memory of 1548 540 java.exe 111 PID 1548 wrote to memory of 1328 1548 cmd.exe 113 PID 1548 wrote to memory of 1328 1548 cmd.exe 113 PID 540 wrote to memory of 224 540 java.exe 114 PID 540 wrote to memory of 224 540 java.exe 114 PID 224 wrote to memory of 1768 224 cmd.exe 116 PID 224 wrote to memory of 1768 224 cmd.exe 116 PID 540 wrote to memory of 3484 540 java.exe 117 PID 540 wrote to memory of 3484 540 java.exe 117 PID 3484 wrote to memory of 3668 3484 cmd.exe 119 PID 3484 wrote to memory of 3668 3484 cmd.exe 119 -
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\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
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:4784
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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\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar"4⤵
- Creates scheduled task(s)
PID:2680
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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\de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:540 -
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:1236 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4156
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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:1548 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1328
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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:224 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1768
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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:3484 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3668
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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 --mojo-platform-channel-handle=1344 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:2392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD57a007057bd84fb5416476886409fbbe0
SHA1fef8d25db86f5c9a1cb6e8376ec840aad66024b4
SHA256b9554de201bc559ff78f791eeea2fbefb89a502be219ae23c1c167077b0cd865
SHA51219f9ae89e866ab41a2db0d19f80d578fd233488fb5ed4fc5ab971c99def36683f2181184c315808e324fe8794a9d218f8c68766ef659bc04595685c7db05e72d
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Filesize
46B
MD5ff7f34a5499c0b497b743d37a44a6d65
SHA1b2030a6b92f1d8f1f9c50fa9ae43090ec9093e58
SHA2567cfde072b891d2ac761e260c5ce4645c28db09cf116f229a9bba99f943596682
SHA5122688848c8dd7bdd2cc5072adeab5544abc3444a447a8fff738846051684016d2b127cddc20387886edb56bcb4bcb4cee7f9829d1668eab36631a177b4b95683a
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3808065738-1666277613-1125846146-1000\83aa4cc77f591dfc2374580bbd95f6ba_2397ee06-28fe-4eaa-8777-f7014368c353
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
452KB
MD584be8a1b68d7a353710700029fd8349b
SHA136663d658ae5a108124c505fb47adb59a09f6733
SHA256de9c4c756623a2893c8ea5a8918ab8796ebe248bc956aba788ba7e84ed420a28
SHA5120ffcc35d03e5c4a0314c8d7cc6e707e1ea3cc078f2beeaffa5a89ef56f47e8755932302105ad87b73a7859c38056369f0eda0a3a8ca195ebe647f6ba608f359a
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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