Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 09:56
Static task
static1
Behavioral task
behavioral1
Sample
9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar
Resource
win10v2004-20240508-en
General
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Target
9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar
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Size
452KB
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MD5
b3cd6750e977a5855ee1e026b52404cd
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SHA1
4204168ebbd729f3758e82fb3b32c658c83edf16
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SHA256
9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621
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SHA512
a2c1e19111e48184dc7d4f3690f539780147a0acadb9378dc5fae51ecc429c15c0e4cc4ba18ac8e355b5fd96c7853fe6c3baaa38a483d99573f0833439a74806
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SSDEEP
12288:SUfrIkI0H+cH/MZwn7QvGroVpG2hLMhwQXZnuBit:5IkI0ecf8cmKoVphhLMhwQXJUq
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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 3456 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3712 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.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 33 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 3012 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2276 WMIC.exe Token: SeSecurityPrivilege 2276 WMIC.exe Token: SeTakeOwnershipPrivilege 2276 WMIC.exe Token: SeLoadDriverPrivilege 2276 WMIC.exe Token: SeSystemProfilePrivilege 2276 WMIC.exe Token: SeSystemtimePrivilege 2276 WMIC.exe Token: SeProfSingleProcessPrivilege 2276 WMIC.exe Token: SeIncBasePriorityPrivilege 2276 WMIC.exe Token: SeCreatePagefilePrivilege 2276 WMIC.exe Token: SeBackupPrivilege 2276 WMIC.exe Token: SeRestorePrivilege 2276 WMIC.exe Token: SeShutdownPrivilege 2276 WMIC.exe Token: SeDebugPrivilege 2276 WMIC.exe Token: SeSystemEnvironmentPrivilege 2276 WMIC.exe Token: SeRemoteShutdownPrivilege 2276 WMIC.exe Token: SeUndockPrivilege 2276 WMIC.exe Token: SeManageVolumePrivilege 2276 WMIC.exe Token: 33 2276 WMIC.exe Token: 34 2276 WMIC.exe Token: 35 2276 WMIC.exe Token: 36 2276 WMIC.exe Token: SeIncreaseQuotaPrivilege 2276 WMIC.exe Token: SeSecurityPrivilege 2276 WMIC.exe Token: SeTakeOwnershipPrivilege 2276 WMIC.exe Token: SeLoadDriverPrivilege 2276 WMIC.exe Token: SeSystemProfilePrivilege 2276 WMIC.exe Token: SeSystemtimePrivilege 2276 WMIC.exe Token: SeProfSingleProcessPrivilege 2276 WMIC.exe Token: SeIncBasePriorityPrivilege 2276 WMIC.exe Token: SeCreatePagefilePrivilege 2276 WMIC.exe Token: SeBackupPrivilege 2276 WMIC.exe Token: SeRestorePrivilege 2276 WMIC.exe Token: SeShutdownPrivilege 2276 WMIC.exe Token: SeDebugPrivilege 2276 WMIC.exe Token: SeSystemEnvironmentPrivilege 2276 WMIC.exe Token: SeRemoteShutdownPrivilege 2276 WMIC.exe Token: SeUndockPrivilege 2276 WMIC.exe Token: SeManageVolumePrivilege 2276 WMIC.exe Token: 33 2276 WMIC.exe Token: 34 2276 WMIC.exe Token: 35 2276 WMIC.exe Token: 36 2276 WMIC.exe Token: SeIncreaseQuotaPrivilege 4308 WMIC.exe Token: SeSecurityPrivilege 4308 WMIC.exe Token: SeTakeOwnershipPrivilege 4308 WMIC.exe Token: SeLoadDriverPrivilege 4308 WMIC.exe Token: SeSystemProfilePrivilege 4308 WMIC.exe Token: SeSystemtimePrivilege 4308 WMIC.exe Token: SeProfSingleProcessPrivilege 4308 WMIC.exe Token: SeIncBasePriorityPrivilege 4308 WMIC.exe Token: SeCreatePagefilePrivilege 4308 WMIC.exe Token: SeBackupPrivilege 4308 WMIC.exe Token: SeRestorePrivilege 4308 WMIC.exe Token: SeShutdownPrivilege 4308 WMIC.exe Token: SeDebugPrivilege 4308 WMIC.exe Token: SeSystemEnvironmentPrivilege 4308 WMIC.exe Token: SeRemoteShutdownPrivilege 4308 WMIC.exe Token: SeUndockPrivilege 4308 WMIC.exe Token: SeManageVolumePrivilege 4308 WMIC.exe Token: 33 4308 WMIC.exe Token: 34 4308 WMIC.exe Token: 35 4308 WMIC.exe Token: 36 4308 WMIC.exe Token: SeIncreaseQuotaPrivilege 4308 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4876 wrote to memory of 3712 4876 java.exe 84 PID 4876 wrote to memory of 3712 4876 java.exe 84 PID 4876 wrote to memory of 2608 4876 java.exe 93 PID 4876 wrote to memory of 2608 4876 java.exe 93 PID 2608 wrote to memory of 548 2608 java.exe 96 PID 2608 wrote to memory of 548 2608 java.exe 96 PID 2608 wrote to memory of 3456 2608 java.exe 97 PID 2608 wrote to memory of 3456 2608 java.exe 97 PID 548 wrote to memory of 3012 548 cmd.exe 100 PID 548 wrote to memory of 3012 548 cmd.exe 100 PID 3456 wrote to memory of 1872 3456 java.exe 101 PID 3456 wrote to memory of 1872 3456 java.exe 101 PID 1872 wrote to memory of 2276 1872 cmd.exe 104 PID 1872 wrote to memory of 2276 1872 cmd.exe 104 PID 3456 wrote to memory of 660 3456 java.exe 106 PID 3456 wrote to memory of 660 3456 java.exe 106 PID 660 wrote to memory of 4308 660 cmd.exe 108 PID 660 wrote to memory of 4308 660 cmd.exe 108 PID 3456 wrote to memory of 1708 3456 java.exe 109 PID 3456 wrote to memory of 1708 3456 java.exe 109 PID 1708 wrote to memory of 1000 1708 cmd.exe 111 PID 1708 wrote to memory of 1000 1708 cmd.exe 111 PID 3456 wrote to memory of 2544 3456 java.exe 112 PID 3456 wrote to memory of 2544 3456 java.exe 112 PID 2544 wrote to memory of 4660 2544 cmd.exe 114 PID 2544 wrote to memory of 4660 2544 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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
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:3712
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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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"4⤵
- Creates scheduled task(s)
PID:3012
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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\9b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3456 -
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:1872 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2276
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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:660 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4308
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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:1708 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1000
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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:2544 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD57b3883c897f44c7130db3db826b2682e
SHA1ac816df5462c9e1e821b3d75a634699057fec1c4
SHA256f5286e1200a6f02aea9bca34e5d6aa5302754d33de835efc025ddbaf3d6adeb5
SHA5122ef4be089e2ebbbaaab5026ca258f1bd6694878b9af1345ef1634a5cccad959a4f02c264fbdeb97aa05f9200755af9cd408f9a7679ae894bba8193b31629d62b
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Filesize
452KB
MD5b3cd6750e977a5855ee1e026b52404cd
SHA14204168ebbd729f3758e82fb3b32c658c83edf16
SHA2569b9099ea755e24ed749632ab2202124d2eab9d754080ab95feee69dde9f14621
SHA512a2c1e19111e48184dc7d4f3690f539780147a0acadb9378dc5fae51ecc429c15c0e4cc4ba18ac8e355b5fd96c7853fe6c3baaa38a483d99573f0833439a74806
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4124900551-4068476067-3491212533-1000\83aa4cc77f591dfc2374580bbd95f6ba_310807ab-751f-4d81-ae09-b202eaf21e19
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