Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 15:21
Static task
static1
Behavioral task
behavioral1
Sample
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
Resource
win10v2004-20240426-en
General
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Target
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar
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Size
453KB
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MD5
e11d4be9ebd996da2df7f4e07a06876d
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SHA1
1e809d3f00f40cf03cf9a5335399acafa2037fc5
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SHA256
87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
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SHA512
e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
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SSDEEP
12288:hOk7azW39Yv5VmKQVsbyIUZtbb9QWugj3bmJh:nyU9omeWIUZhbtuyLkh
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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 444 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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.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 37 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 3232 WMIC.exe Token: SeSecurityPrivilege 3232 WMIC.exe Token: SeTakeOwnershipPrivilege 3232 WMIC.exe Token: SeLoadDriverPrivilege 3232 WMIC.exe Token: SeSystemProfilePrivilege 3232 WMIC.exe Token: SeSystemtimePrivilege 3232 WMIC.exe Token: SeProfSingleProcessPrivilege 3232 WMIC.exe Token: SeIncBasePriorityPrivilege 3232 WMIC.exe Token: SeCreatePagefilePrivilege 3232 WMIC.exe Token: SeBackupPrivilege 3232 WMIC.exe Token: SeRestorePrivilege 3232 WMIC.exe Token: SeShutdownPrivilege 3232 WMIC.exe Token: SeDebugPrivilege 3232 WMIC.exe Token: SeSystemEnvironmentPrivilege 3232 WMIC.exe Token: SeRemoteShutdownPrivilege 3232 WMIC.exe Token: SeUndockPrivilege 3232 WMIC.exe Token: SeManageVolumePrivilege 3232 WMIC.exe Token: 33 3232 WMIC.exe Token: 34 3232 WMIC.exe Token: 35 3232 WMIC.exe Token: 36 3232 WMIC.exe Token: SeIncreaseQuotaPrivilege 3232 WMIC.exe Token: SeSecurityPrivilege 3232 WMIC.exe Token: SeTakeOwnershipPrivilege 3232 WMIC.exe Token: SeLoadDriverPrivilege 3232 WMIC.exe Token: SeSystemProfilePrivilege 3232 WMIC.exe Token: SeSystemtimePrivilege 3232 WMIC.exe Token: SeProfSingleProcessPrivilege 3232 WMIC.exe Token: SeIncBasePriorityPrivilege 3232 WMIC.exe Token: SeCreatePagefilePrivilege 3232 WMIC.exe Token: SeBackupPrivilege 3232 WMIC.exe Token: SeRestorePrivilege 3232 WMIC.exe Token: SeShutdownPrivilege 3232 WMIC.exe Token: SeDebugPrivilege 3232 WMIC.exe Token: SeSystemEnvironmentPrivilege 3232 WMIC.exe Token: SeRemoteShutdownPrivilege 3232 WMIC.exe Token: SeUndockPrivilege 3232 WMIC.exe Token: SeManageVolumePrivilege 3232 WMIC.exe Token: 33 3232 WMIC.exe Token: 34 3232 WMIC.exe Token: 35 3232 WMIC.exe Token: 36 3232 WMIC.exe Token: SeIncreaseQuotaPrivilege 1656 WMIC.exe Token: SeSecurityPrivilege 1656 WMIC.exe Token: SeTakeOwnershipPrivilege 1656 WMIC.exe Token: SeLoadDriverPrivilege 1656 WMIC.exe Token: SeSystemProfilePrivilege 1656 WMIC.exe Token: SeSystemtimePrivilege 1656 WMIC.exe Token: SeProfSingleProcessPrivilege 1656 WMIC.exe Token: SeIncBasePriorityPrivilege 1656 WMIC.exe Token: SeCreatePagefilePrivilege 1656 WMIC.exe Token: SeBackupPrivilege 1656 WMIC.exe Token: SeRestorePrivilege 1656 WMIC.exe Token: SeShutdownPrivilege 1656 WMIC.exe Token: SeDebugPrivilege 1656 WMIC.exe Token: SeSystemEnvironmentPrivilege 1656 WMIC.exe Token: SeRemoteShutdownPrivilege 1656 WMIC.exe Token: SeUndockPrivilege 1656 WMIC.exe Token: SeManageVolumePrivilege 1656 WMIC.exe Token: 33 1656 WMIC.exe Token: 34 1656 WMIC.exe Token: 35 1656 WMIC.exe Token: 36 1656 WMIC.exe Token: SeIncreaseQuotaPrivilege 1656 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 1616 wrote to memory of 2380 1616 java.exe 83 PID 1616 wrote to memory of 2380 1616 java.exe 83 PID 1616 wrote to memory of 4804 1616 java.exe 93 PID 1616 wrote to memory of 4804 1616 java.exe 93 PID 4804 wrote to memory of 1236 4804 java.exe 95 PID 4804 wrote to memory of 1236 4804 java.exe 95 PID 4804 wrote to memory of 444 4804 java.exe 97 PID 4804 wrote to memory of 444 4804 java.exe 97 PID 1236 wrote to memory of 1160 1236 cmd.exe 100 PID 1236 wrote to memory of 1160 1236 cmd.exe 100 PID 444 wrote to memory of 4796 444 java.exe 102 PID 444 wrote to memory of 4796 444 java.exe 102 PID 4796 wrote to memory of 3232 4796 cmd.exe 104 PID 4796 wrote to memory of 3232 4796 cmd.exe 104 PID 444 wrote to memory of 3552 444 java.exe 105 PID 444 wrote to memory of 3552 444 java.exe 105 PID 3552 wrote to memory of 1656 3552 cmd.exe 107 PID 3552 wrote to memory of 1656 3552 cmd.exe 107 PID 444 wrote to memory of 4416 444 java.exe 108 PID 444 wrote to memory of 4416 444 java.exe 108 PID 4416 wrote to memory of 4736 4416 cmd.exe 110 PID 4416 wrote to memory of 4736 4416 cmd.exe 110 PID 444 wrote to memory of 3396 444 java.exe 111 PID 444 wrote to memory of 3396 444 java.exe 111 PID 3396 wrote to memory of 2200 3396 cmd.exe 113 PID 3396 wrote to memory of 2200 3396 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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
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:2380
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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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"4⤵
- Creates scheduled task(s)
PID:1160
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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\87bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:444 -
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:4796 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3232
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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:3552 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1656
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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:4416 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4736
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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:3396 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD506faf096d36fb0abe4555a797ce6a18c
SHA1e71d0e3904a52364fd973490f66aeff0d97e8b1d
SHA2563a53e2addbd0664e24ebb7209c7b6a0cce103ebf97266596bfad20ebf27e5378
SHA5121d0fae1324a7e394cc47140c4256627ae70efd657c2f99a181c50b6ec276345133e3478d2f3840a39d121a1b35ef0896c7b64784c7fcf7990461072ab444b685
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Filesize
46B
MD5fbadbb7b06ebfbd042cb3881755e4136
SHA1a2e42efe216ad6fd5be3446ff15f72d0a60879af
SHA256d4e2101c75bc2e78645718fc27fa784841068cac6e43c3ecfb367aba3f9bc0b3
SHA512a6d8fca0b6c75afb9fdd71c0c8e18d9464640c14fdb0caaa0d28cbdcc6f4a5dfa083224ba0d29f1082c67fe42e0279cf405ea9f9144a0c925c671b82322915f6
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Filesize
453KB
MD5e11d4be9ebd996da2df7f4e07a06876d
SHA11e809d3f00f40cf03cf9a5335399acafa2037fc5
SHA25687bfc0255d14849743cefe83b8324fc1eb59259be6826cd0d57497e1d7bee178
SHA512e9db4c6c5b27bbf43b74234c8ff4996454c23c82497e8fd97e0b087413cb8589426a5749666268c8d23e06193918d9ad98be13cea9a1e2ed48fc0dfb79bd0e77
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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
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