Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2024 01:36
Static task
static1
Behavioral task
behavioral1
Sample
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
Resource
win10v2004-20240426-en
General
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Target
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
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Size
452KB
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MD5
b863903234d42638a8c23da983521741
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SHA1
c36e2e31e51ce16dcf7e14256f95dd79754bd69d
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SHA256
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5
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SHA512
1be7f49a77c589ac76f49a4f33f173559a73113449a19b839462a2ca056f4d008c2d3ecf24f69176feb4550d40a09e3ff1e5abeef9d126d464e4d1d56d69c90e
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SSDEEP
12288:yU2rzFThSTrH/MrsnYQSGrobc1T4BMhLQqIZTf6q:ezFThOrfewqKobc14BMhLQq8z/
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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 3952 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4716 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.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 30 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 3932 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4972 WMIC.exe Token: SeSecurityPrivilege 4972 WMIC.exe Token: SeTakeOwnershipPrivilege 4972 WMIC.exe Token: SeLoadDriverPrivilege 4972 WMIC.exe Token: SeSystemProfilePrivilege 4972 WMIC.exe Token: SeSystemtimePrivilege 4972 WMIC.exe Token: SeProfSingleProcessPrivilege 4972 WMIC.exe Token: SeIncBasePriorityPrivilege 4972 WMIC.exe Token: SeCreatePagefilePrivilege 4972 WMIC.exe Token: SeBackupPrivilege 4972 WMIC.exe Token: SeRestorePrivilege 4972 WMIC.exe Token: SeShutdownPrivilege 4972 WMIC.exe Token: SeDebugPrivilege 4972 WMIC.exe Token: SeSystemEnvironmentPrivilege 4972 WMIC.exe Token: SeRemoteShutdownPrivilege 4972 WMIC.exe Token: SeUndockPrivilege 4972 WMIC.exe Token: SeManageVolumePrivilege 4972 WMIC.exe Token: 33 4972 WMIC.exe Token: 34 4972 WMIC.exe Token: 35 4972 WMIC.exe Token: 36 4972 WMIC.exe Token: SeIncreaseQuotaPrivilege 4972 WMIC.exe Token: SeSecurityPrivilege 4972 WMIC.exe Token: SeTakeOwnershipPrivilege 4972 WMIC.exe Token: SeLoadDriverPrivilege 4972 WMIC.exe Token: SeSystemProfilePrivilege 4972 WMIC.exe Token: SeSystemtimePrivilege 4972 WMIC.exe Token: SeProfSingleProcessPrivilege 4972 WMIC.exe Token: SeIncBasePriorityPrivilege 4972 WMIC.exe Token: SeCreatePagefilePrivilege 4972 WMIC.exe Token: SeBackupPrivilege 4972 WMIC.exe Token: SeRestorePrivilege 4972 WMIC.exe Token: SeShutdownPrivilege 4972 WMIC.exe Token: SeDebugPrivilege 4972 WMIC.exe Token: SeSystemEnvironmentPrivilege 4972 WMIC.exe Token: SeRemoteShutdownPrivilege 4972 WMIC.exe Token: SeUndockPrivilege 4972 WMIC.exe Token: SeManageVolumePrivilege 4972 WMIC.exe Token: 33 4972 WMIC.exe Token: 34 4972 WMIC.exe Token: 35 4972 WMIC.exe Token: 36 4972 WMIC.exe Token: SeIncreaseQuotaPrivilege 552 WMIC.exe Token: SeSecurityPrivilege 552 WMIC.exe Token: SeTakeOwnershipPrivilege 552 WMIC.exe Token: SeLoadDriverPrivilege 552 WMIC.exe Token: SeSystemProfilePrivilege 552 WMIC.exe Token: SeSystemtimePrivilege 552 WMIC.exe Token: SeProfSingleProcessPrivilege 552 WMIC.exe Token: SeIncBasePriorityPrivilege 552 WMIC.exe Token: SeCreatePagefilePrivilege 552 WMIC.exe Token: SeBackupPrivilege 552 WMIC.exe Token: SeRestorePrivilege 552 WMIC.exe Token: SeShutdownPrivilege 552 WMIC.exe Token: SeDebugPrivilege 552 WMIC.exe Token: SeSystemEnvironmentPrivilege 552 WMIC.exe Token: SeRemoteShutdownPrivilege 552 WMIC.exe Token: SeUndockPrivilege 552 WMIC.exe Token: SeManageVolumePrivilege 552 WMIC.exe Token: 33 552 WMIC.exe Token: 34 552 WMIC.exe Token: 35 552 WMIC.exe Token: 36 552 WMIC.exe Token: SeIncreaseQuotaPrivilege 552 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4396 wrote to memory of 4716 4396 java.exe 84 PID 4396 wrote to memory of 4716 4396 java.exe 84 PID 4396 wrote to memory of 1264 4396 java.exe 94 PID 4396 wrote to memory of 1264 4396 java.exe 94 PID 1264 wrote to memory of 1304 1264 java.exe 96 PID 1264 wrote to memory of 1304 1264 java.exe 96 PID 1264 wrote to memory of 3952 1264 java.exe 97 PID 1264 wrote to memory of 3952 1264 java.exe 97 PID 1304 wrote to memory of 3932 1304 cmd.exe 100 PID 1304 wrote to memory of 3932 1304 cmd.exe 100 PID 3952 wrote to memory of 2072 3952 java.exe 102 PID 3952 wrote to memory of 2072 3952 java.exe 102 PID 2072 wrote to memory of 4972 2072 cmd.exe 104 PID 2072 wrote to memory of 4972 2072 cmd.exe 104 PID 3952 wrote to memory of 4024 3952 java.exe 105 PID 3952 wrote to memory of 4024 3952 java.exe 105 PID 4024 wrote to memory of 552 4024 cmd.exe 107 PID 4024 wrote to memory of 552 4024 cmd.exe 107 PID 3952 wrote to memory of 4540 3952 java.exe 108 PID 3952 wrote to memory of 4540 3952 java.exe 108 PID 4540 wrote to memory of 1512 4540 cmd.exe 110 PID 4540 wrote to memory of 1512 4540 cmd.exe 110 PID 3952 wrote to memory of 3468 3952 java.exe 111 PID 3952 wrote to memory of 3468 3952 java.exe 111 PID 3468 wrote to memory of 4080 3468 cmd.exe 113 PID 3468 wrote to memory of 4080 3468 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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4396 -
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:4716
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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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"4⤵
- Creates scheduled task(s)
PID:3932
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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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3952 -
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:2072 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4972
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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:4024 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:552
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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:4540 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1512
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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:3468 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4080
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD523107c7ce5d77264cef635b86e4f683d
SHA19ba0986785fa8894acde129235c93f3911a9bf3d
SHA2563c892459491593fc4941ef3266de96df622b233ee2ad63211eb5d411b5fe9587
SHA512cd32e9fb8181b1b6edda2a7ff272bd117ef889da76b98a1ff26022fa81fcb3d10043a0a507b80efe2eb225d16ef6054b50cf2f57b605885fb4182ebc057403d5
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Filesize
46B
MD509d609b3f7dad55be301d2a998897bc2
SHA1d94ec6e92810cbe2f0bf5469bb506bf0fb5a69a5
SHA2566bd57d58c8831413907df23a0e94b1d98511693f090167dca2a5be08b95cfabb
SHA512020306ecf36c1364ac21d9c633d23dba3fffa39e908b1d1ee49acaca172d48b9c0ef61142e51bdf6a6df236c23d9e4fb0d0b862345fc3dea8022b26d82c1ca95
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
452KB
MD5b863903234d42638a8c23da983521741
SHA1c36e2e31e51ce16dcf7e14256f95dd79754bd69d
SHA256db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5
SHA5121be7f49a77c589ac76f49a4f33f173559a73113449a19b839462a2ca056f4d008c2d3ecf24f69176feb4550d40a09e3ff1e5abeef9d126d464e4d1d56d69c90e
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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