Analysis
-
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
08-06-2024 07:27
Static task
static1
Behavioral task
behavioral1
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win10v2004-20240508-en
General
-
Target
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
-
Size
452KB
-
MD5
188614b72a3baaf3f018157d12223538
-
SHA1
f9d7a5a4f743c4d22f6563436761912dacba2a90
-
SHA256
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
-
SHA512
988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
-
SSDEEP
12288:CU9r+Wu+x8qH/M10nJQpGrodvkg3/MhGQt3j0dWT:X+Wu+KqfkY6Kodvx3/MhGQtzms
Malware Config
Signatures
-
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 4272 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2536 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 27 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 908 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1056 WMIC.exe Token: SeSecurityPrivilege 1056 WMIC.exe Token: SeTakeOwnershipPrivilege 1056 WMIC.exe Token: SeLoadDriverPrivilege 1056 WMIC.exe Token: SeSystemProfilePrivilege 1056 WMIC.exe Token: SeSystemtimePrivilege 1056 WMIC.exe Token: SeProfSingleProcessPrivilege 1056 WMIC.exe Token: SeIncBasePriorityPrivilege 1056 WMIC.exe Token: SeCreatePagefilePrivilege 1056 WMIC.exe Token: SeBackupPrivilege 1056 WMIC.exe Token: SeRestorePrivilege 1056 WMIC.exe Token: SeShutdownPrivilege 1056 WMIC.exe Token: SeDebugPrivilege 1056 WMIC.exe Token: SeSystemEnvironmentPrivilege 1056 WMIC.exe Token: SeRemoteShutdownPrivilege 1056 WMIC.exe Token: SeUndockPrivilege 1056 WMIC.exe Token: SeManageVolumePrivilege 1056 WMIC.exe Token: 33 1056 WMIC.exe Token: 34 1056 WMIC.exe Token: 35 1056 WMIC.exe Token: 36 1056 WMIC.exe Token: SeIncreaseQuotaPrivilege 1056 WMIC.exe Token: SeSecurityPrivilege 1056 WMIC.exe Token: SeTakeOwnershipPrivilege 1056 WMIC.exe Token: SeLoadDriverPrivilege 1056 WMIC.exe Token: SeSystemProfilePrivilege 1056 WMIC.exe Token: SeSystemtimePrivilege 1056 WMIC.exe Token: SeProfSingleProcessPrivilege 1056 WMIC.exe Token: SeIncBasePriorityPrivilege 1056 WMIC.exe Token: SeCreatePagefilePrivilege 1056 WMIC.exe Token: SeBackupPrivilege 1056 WMIC.exe Token: SeRestorePrivilege 1056 WMIC.exe Token: SeShutdownPrivilege 1056 WMIC.exe Token: SeDebugPrivilege 1056 WMIC.exe Token: SeSystemEnvironmentPrivilege 1056 WMIC.exe Token: SeRemoteShutdownPrivilege 1056 WMIC.exe Token: SeUndockPrivilege 1056 WMIC.exe Token: SeManageVolumePrivilege 1056 WMIC.exe Token: 33 1056 WMIC.exe Token: 34 1056 WMIC.exe Token: 35 1056 WMIC.exe Token: 36 1056 WMIC.exe Token: SeIncreaseQuotaPrivilege 1580 WMIC.exe Token: SeSecurityPrivilege 1580 WMIC.exe Token: SeTakeOwnershipPrivilege 1580 WMIC.exe Token: SeLoadDriverPrivilege 1580 WMIC.exe Token: SeSystemProfilePrivilege 1580 WMIC.exe Token: SeSystemtimePrivilege 1580 WMIC.exe Token: SeProfSingleProcessPrivilege 1580 WMIC.exe Token: SeIncBasePriorityPrivilege 1580 WMIC.exe Token: SeCreatePagefilePrivilege 1580 WMIC.exe Token: SeBackupPrivilege 1580 WMIC.exe Token: SeRestorePrivilege 1580 WMIC.exe Token: SeShutdownPrivilege 1580 WMIC.exe Token: SeDebugPrivilege 1580 WMIC.exe Token: SeSystemEnvironmentPrivilege 1580 WMIC.exe Token: SeRemoteShutdownPrivilege 1580 WMIC.exe Token: SeUndockPrivilege 1580 WMIC.exe Token: SeManageVolumePrivilege 1580 WMIC.exe Token: 33 1580 WMIC.exe Token: 34 1580 WMIC.exe Token: 35 1580 WMIC.exe Token: 36 1580 WMIC.exe Token: SeIncreaseQuotaPrivilege 1580 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4160 wrote to memory of 2536 4160 java.exe 83 PID 4160 wrote to memory of 2536 4160 java.exe 83 PID 4160 wrote to memory of 1868 4160 java.exe 92 PID 4160 wrote to memory of 1868 4160 java.exe 92 PID 1868 wrote to memory of 1804 1868 java.exe 94 PID 1868 wrote to memory of 1804 1868 java.exe 94 PID 1868 wrote to memory of 4272 1868 java.exe 96 PID 1868 wrote to memory of 4272 1868 java.exe 96 PID 1804 wrote to memory of 908 1804 cmd.exe 98 PID 1804 wrote to memory of 908 1804 cmd.exe 98 PID 4272 wrote to memory of 3308 4272 java.exe 100 PID 4272 wrote to memory of 3308 4272 java.exe 100 PID 3308 wrote to memory of 1056 3308 cmd.exe 102 PID 3308 wrote to memory of 1056 3308 cmd.exe 102 PID 4272 wrote to memory of 804 4272 java.exe 103 PID 4272 wrote to memory of 804 4272 java.exe 103 PID 804 wrote to memory of 1580 804 cmd.exe 105 PID 804 wrote to memory of 1580 804 cmd.exe 105 PID 4272 wrote to memory of 2124 4272 java.exe 106 PID 4272 wrote to memory of 2124 4272 java.exe 106 PID 2124 wrote to memory of 732 2124 cmd.exe 108 PID 2124 wrote to memory of 732 2124 cmd.exe 108 PID 4272 wrote to memory of 552 4272 java.exe 109 PID 4272 wrote to memory of 552 4272 java.exe 109 PID 552 wrote to memory of 4392 552 cmd.exe 111 PID 552 wrote to memory of 4392 552 cmd.exe 111 -
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
-
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:4160 -
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:2536
-
-
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:1868 -
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:1804 -
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:908
-
-
-
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:4272 -
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:3308 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1056
-
-
-
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:804 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1580
-
-
-
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:2124 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:732
-
-
-
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:552 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4392
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46B
MD5f91b783d0ff96e5b3f3c2c0bdf1845af
SHA1f8192528ca1abab89e915d980ab4effdf54bfa20
SHA256dbadf4b6ae346f0825f17f46e04122d76ba1946eea130f0d8ca94b07b3827772
SHA512f443856b5a80cec6c3dce76175e63ad2a295f30e9fa08f9d7c4ab5d73f9b9868bf997dd0a88fa14db4950baf6d1d908efdaff40804808b3608a044f937ddf9d6
-
Filesize
452KB
MD5188614b72a3baaf3f018157d12223538
SHA1f9d7a5a4f743c4d22f6563436761912dacba2a90
SHA256838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
SHA512988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
-
Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1337824034-2731376981-3755436523-1000\83aa4cc77f591dfc2374580bbd95f6ba_6833eb7b-8d4b-4cdd-9502-9bbf7fc1cf9f
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
-
Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
-
Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
-
Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
-
Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d