Analysis
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max time kernel
149s -
max time network
149s -
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
cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
Resource
win10v2004-20240508-en
General
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Target
cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar
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Size
481KB
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MD5
cf853ba5808b795bed3b7fc2ba55274f
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SHA1
d669abbff493925068e637b999cb28cfbc2181a0
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SHA256
cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741
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SHA512
33e621a67af9d89580e71e995024bb9b37a7b8c0e0d305c3cc46f957613599d8f85771655767bc97559f1330ba45e4fb6570fb49502627cb14e19955025a0771
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SSDEEP
12288:OhlGrKeQSPEIBrX01FURb5hvdCqBFkMNi29Kc4:OrGrlzL0M9QEi2Y
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\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1964 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2972 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.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 39 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 2904 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4048 WMIC.exe Token: SeSecurityPrivilege 4048 WMIC.exe Token: SeTakeOwnershipPrivilege 4048 WMIC.exe Token: SeLoadDriverPrivilege 4048 WMIC.exe Token: SeSystemProfilePrivilege 4048 WMIC.exe Token: SeSystemtimePrivilege 4048 WMIC.exe Token: SeProfSingleProcessPrivilege 4048 WMIC.exe Token: SeIncBasePriorityPrivilege 4048 WMIC.exe Token: SeCreatePagefilePrivilege 4048 WMIC.exe Token: SeBackupPrivilege 4048 WMIC.exe Token: SeRestorePrivilege 4048 WMIC.exe Token: SeShutdownPrivilege 4048 WMIC.exe Token: SeDebugPrivilege 4048 WMIC.exe Token: SeSystemEnvironmentPrivilege 4048 WMIC.exe Token: SeRemoteShutdownPrivilege 4048 WMIC.exe Token: SeUndockPrivilege 4048 WMIC.exe Token: SeManageVolumePrivilege 4048 WMIC.exe Token: 33 4048 WMIC.exe Token: 34 4048 WMIC.exe Token: 35 4048 WMIC.exe Token: 36 4048 WMIC.exe Token: SeIncreaseQuotaPrivilege 4048 WMIC.exe Token: SeSecurityPrivilege 4048 WMIC.exe Token: SeTakeOwnershipPrivilege 4048 WMIC.exe Token: SeLoadDriverPrivilege 4048 WMIC.exe Token: SeSystemProfilePrivilege 4048 WMIC.exe Token: SeSystemtimePrivilege 4048 WMIC.exe Token: SeProfSingleProcessPrivilege 4048 WMIC.exe Token: SeIncBasePriorityPrivilege 4048 WMIC.exe Token: SeCreatePagefilePrivilege 4048 WMIC.exe Token: SeBackupPrivilege 4048 WMIC.exe Token: SeRestorePrivilege 4048 WMIC.exe Token: SeShutdownPrivilege 4048 WMIC.exe Token: SeDebugPrivilege 4048 WMIC.exe Token: SeSystemEnvironmentPrivilege 4048 WMIC.exe Token: SeRemoteShutdownPrivilege 4048 WMIC.exe Token: SeUndockPrivilege 4048 WMIC.exe Token: SeManageVolumePrivilege 4048 WMIC.exe Token: 33 4048 WMIC.exe Token: 34 4048 WMIC.exe Token: 35 4048 WMIC.exe Token: 36 4048 WMIC.exe Token: SeIncreaseQuotaPrivilege 4524 WMIC.exe Token: SeSecurityPrivilege 4524 WMIC.exe Token: SeTakeOwnershipPrivilege 4524 WMIC.exe Token: SeLoadDriverPrivilege 4524 WMIC.exe Token: SeSystemProfilePrivilege 4524 WMIC.exe Token: SeSystemtimePrivilege 4524 WMIC.exe Token: SeProfSingleProcessPrivilege 4524 WMIC.exe Token: SeIncBasePriorityPrivilege 4524 WMIC.exe Token: SeCreatePagefilePrivilege 4524 WMIC.exe Token: SeBackupPrivilege 4524 WMIC.exe Token: SeRestorePrivilege 4524 WMIC.exe Token: SeShutdownPrivilege 4524 WMIC.exe Token: SeDebugPrivilege 4524 WMIC.exe Token: SeSystemEnvironmentPrivilege 4524 WMIC.exe Token: SeRemoteShutdownPrivilege 4524 WMIC.exe Token: SeUndockPrivilege 4524 WMIC.exe Token: SeManageVolumePrivilege 4524 WMIC.exe Token: 33 4524 WMIC.exe Token: 34 4524 WMIC.exe Token: 35 4524 WMIC.exe Token: 36 4524 WMIC.exe Token: SeIncreaseQuotaPrivilege 4524 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4984 wrote to memory of 2972 4984 java.exe 84 PID 4984 wrote to memory of 2972 4984 java.exe 84 PID 4984 wrote to memory of 1648 4984 java.exe 95 PID 4984 wrote to memory of 1648 4984 java.exe 95 PID 1648 wrote to memory of 2016 1648 java.exe 98 PID 1648 wrote to memory of 2016 1648 java.exe 98 PID 1648 wrote to memory of 1964 1648 java.exe 99 PID 1648 wrote to memory of 1964 1648 java.exe 99 PID 2016 wrote to memory of 2904 2016 cmd.exe 102 PID 2016 wrote to memory of 2904 2016 cmd.exe 102 PID 1964 wrote to memory of 3724 1964 java.exe 103 PID 1964 wrote to memory of 3724 1964 java.exe 103 PID 3724 wrote to memory of 4048 3724 cmd.exe 105 PID 3724 wrote to memory of 4048 3724 cmd.exe 105 PID 1964 wrote to memory of 2320 1964 java.exe 106 PID 1964 wrote to memory of 2320 1964 java.exe 106 PID 2320 wrote to memory of 4524 2320 cmd.exe 108 PID 2320 wrote to memory of 4524 2320 cmd.exe 108 PID 1964 wrote to memory of 3076 1964 java.exe 109 PID 1964 wrote to memory of 3076 1964 java.exe 109 PID 3076 wrote to memory of 2884 3076 cmd.exe 111 PID 3076 wrote to memory of 2884 3076 cmd.exe 111 PID 1964 wrote to memory of 3356 1964 java.exe 112 PID 1964 wrote to memory of 3356 1964 java.exe 112 PID 3356 wrote to memory of 3784 3356 cmd.exe 114 PID 3356 wrote to memory of 3784 3356 cmd.exe 114 -
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\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4984 -
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:2972
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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\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"4⤵
- Creates scheduled task(s)
PID:2904
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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\cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964 -
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:3724 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4048
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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:2320 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4524
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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:3076 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2884
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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:3356 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5125df67ed7ea5600c785829045ca8e28
SHA16c1c1f4e57bddb4815076d52b993340eff95ef16
SHA25614ee2dd43b8bc872999d7509272a038820876b4598ac4af2b253cb1fbf82d9ae
SHA5123edc4b908776527fff5f58b07c56dd537c2d383baf9ebf62a6997c66998229b752cc22103241d876b16ee592906b036eede80267a4f9fb7de3271e24cda83657
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Filesize
46B
MD5281dc6c312412b8ecc50635b842a5b36
SHA152a932d9286ca7299ff630c6a30574d2e48ea45f
SHA256227b688f8cb99168f4f22b20c64e737c64d9ab1da974726cb389381b4d2e707b
SHA5127f27a811913aae71b8c2fab88bb49d75ad95c1f4deb9255005ba7b18b02c68300d24770d23a3cedcb799b4aba70d88f8632cf86a2af56fbc28dc75313f3352ce
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3558294865-3673844354-2255444939-1000\83aa4cc77f591dfc2374580bbd95f6ba_39fbc0df-d496-4ae0-b1d7-bde60e245d90
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
481KB
MD5cf853ba5808b795bed3b7fc2ba55274f
SHA1d669abbff493925068e637b999cb28cfbc2181a0
SHA256cae1d06781f000cf396269e2b734d841192b2b09e7e1e9170b721ac77b70e741
SHA51233e621a67af9d89580e71e995024bb9b37a7b8c0e0d305c3cc46f957613599d8f85771655767bc97559f1330ba45e4fb6570fb49502627cb14e19955025a0771
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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