Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 16:00
Static task
static1
Behavioral task
behavioral1
Sample
5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar
Resource
win10v2004-20240611-en
General
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Target
5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar
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Size
481KB
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MD5
f2bc7c3ad4511d285fc70c50a05b0902
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SHA1
3c6a1ce4ad140df0b3c14a192ced9feeaa8f9618
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SHA256
5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8
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SHA512
d7e2cb4e458c3dcff94a3b484860a81d9eb1dd4269cd055912c5fff921aa249e62a7a65b023a45f52de1e13553ae2de4d2659ba6085358d0a39941d4022b4978
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SSDEEP
12288:ualS3KeQSPEYtvPYpFMRb5h3pCSt1kQB+W5Kcr:uSS3lb3YIRoM+Wv
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\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 3968 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1636 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.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 28 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 2808 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2408 WMIC.exe Token: SeSecurityPrivilege 2408 WMIC.exe Token: SeTakeOwnershipPrivilege 2408 WMIC.exe Token: SeLoadDriverPrivilege 2408 WMIC.exe Token: SeSystemProfilePrivilege 2408 WMIC.exe Token: SeSystemtimePrivilege 2408 WMIC.exe Token: SeProfSingleProcessPrivilege 2408 WMIC.exe Token: SeIncBasePriorityPrivilege 2408 WMIC.exe Token: SeCreatePagefilePrivilege 2408 WMIC.exe Token: SeBackupPrivilege 2408 WMIC.exe Token: SeRestorePrivilege 2408 WMIC.exe Token: SeShutdownPrivilege 2408 WMIC.exe Token: SeDebugPrivilege 2408 WMIC.exe Token: SeSystemEnvironmentPrivilege 2408 WMIC.exe Token: SeRemoteShutdownPrivilege 2408 WMIC.exe Token: SeUndockPrivilege 2408 WMIC.exe Token: SeManageVolumePrivilege 2408 WMIC.exe Token: 33 2408 WMIC.exe Token: 34 2408 WMIC.exe Token: 35 2408 WMIC.exe Token: 36 2408 WMIC.exe Token: SeIncreaseQuotaPrivilege 2408 WMIC.exe Token: SeSecurityPrivilege 2408 WMIC.exe Token: SeTakeOwnershipPrivilege 2408 WMIC.exe Token: SeLoadDriverPrivilege 2408 WMIC.exe Token: SeSystemProfilePrivilege 2408 WMIC.exe Token: SeSystemtimePrivilege 2408 WMIC.exe Token: SeProfSingleProcessPrivilege 2408 WMIC.exe Token: SeIncBasePriorityPrivilege 2408 WMIC.exe Token: SeCreatePagefilePrivilege 2408 WMIC.exe Token: SeBackupPrivilege 2408 WMIC.exe Token: SeRestorePrivilege 2408 WMIC.exe Token: SeShutdownPrivilege 2408 WMIC.exe Token: SeDebugPrivilege 2408 WMIC.exe Token: SeSystemEnvironmentPrivilege 2408 WMIC.exe Token: SeRemoteShutdownPrivilege 2408 WMIC.exe Token: SeUndockPrivilege 2408 WMIC.exe Token: SeManageVolumePrivilege 2408 WMIC.exe Token: 33 2408 WMIC.exe Token: 34 2408 WMIC.exe Token: 35 2408 WMIC.exe Token: 36 2408 WMIC.exe Token: SeIncreaseQuotaPrivilege 764 WMIC.exe Token: SeSecurityPrivilege 764 WMIC.exe Token: SeTakeOwnershipPrivilege 764 WMIC.exe Token: SeLoadDriverPrivilege 764 WMIC.exe Token: SeSystemProfilePrivilege 764 WMIC.exe Token: SeSystemtimePrivilege 764 WMIC.exe Token: SeProfSingleProcessPrivilege 764 WMIC.exe Token: SeIncBasePriorityPrivilege 764 WMIC.exe Token: SeCreatePagefilePrivilege 764 WMIC.exe Token: SeBackupPrivilege 764 WMIC.exe Token: SeRestorePrivilege 764 WMIC.exe Token: SeShutdownPrivilege 764 WMIC.exe Token: SeDebugPrivilege 764 WMIC.exe Token: SeSystemEnvironmentPrivilege 764 WMIC.exe Token: SeRemoteShutdownPrivilege 764 WMIC.exe Token: SeUndockPrivilege 764 WMIC.exe Token: SeManageVolumePrivilege 764 WMIC.exe Token: 33 764 WMIC.exe Token: 34 764 WMIC.exe Token: 35 764 WMIC.exe Token: 36 764 WMIC.exe Token: SeIncreaseQuotaPrivilege 764 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1636 4940 java.exe 84 PID 4940 wrote to memory of 1636 4940 java.exe 84 PID 4940 wrote to memory of 368 4940 java.exe 89 PID 4940 wrote to memory of 368 4940 java.exe 89 PID 368 wrote to memory of 4716 368 java.exe 91 PID 368 wrote to memory of 4716 368 java.exe 91 PID 368 wrote to memory of 3968 368 java.exe 92 PID 368 wrote to memory of 3968 368 java.exe 92 PID 4716 wrote to memory of 2808 4716 cmd.exe 95 PID 4716 wrote to memory of 2808 4716 cmd.exe 95 PID 3968 wrote to memory of 1892 3968 java.exe 96 PID 3968 wrote to memory of 1892 3968 java.exe 96 PID 1892 wrote to memory of 2408 1892 cmd.exe 98 PID 1892 wrote to memory of 2408 1892 cmd.exe 98 PID 3968 wrote to memory of 1224 3968 java.exe 100 PID 3968 wrote to memory of 1224 3968 java.exe 100 PID 1224 wrote to memory of 764 1224 cmd.exe 102 PID 1224 wrote to memory of 764 1224 cmd.exe 102 PID 3968 wrote to memory of 1836 3968 java.exe 103 PID 3968 wrote to memory of 1836 3968 java.exe 103 PID 1836 wrote to memory of 3956 1836 cmd.exe 105 PID 1836 wrote to memory of 3956 1836 cmd.exe 105 PID 3968 wrote to memory of 4920 3968 java.exe 106 PID 3968 wrote to memory of 4920 3968 java.exe 106 PID 4920 wrote to memory of 2904 4920 cmd.exe 108 PID 4920 wrote to memory of 2904 4920 cmd.exe 108 -
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\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar1⤵
- Suspicious use of WriteProcessMemory
PID:4940 -
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:1636
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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\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar"4⤵
- Creates scheduled task(s)
PID:2808
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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\5af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3968 -
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:1892 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2408
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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:1224 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:764
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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:1836 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:3956
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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:4920 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5df2d57bd2de07e80f0074a076732a285
SHA1cbc8eeaf18750fbb7376a20b162a773e7306145d
SHA25614ab9b76307c949fcdf4ac5d4d21de587c05528eeded9268e971800856ea1891
SHA512a1db6d8b059849d55f74adc2105f56ba1f4e99b16132b46353be8d0011381203e164cfa61c04d231458acd3b0717714d13b42017c360766b7337bce3cfefbc2e
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Filesize
46B
MD5c791ede6b1dfc89f6c98789f175d46ac
SHA16df8c0ed82614b712cb9d5afc13763f173a22fc5
SHA2567b8a8307c0a7030704d7744c930c25ecac7d8cb9355c08dc5c46d138fca42fa0
SHA512eb83d6b875c0d1df7eff79d092eacbe2985c8c023928ce29496f74e33fd4f1f7764ff506c0e8dfff8247f9bb78fdd0aa6e38e026938b6320ae8a2414abd4eead
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Filesize
481KB
MD5f2bc7c3ad4511d285fc70c50a05b0902
SHA13c6a1ce4ad140df0b3c14a192ced9feeaa8f9618
SHA2565af01504959b39b2f98ae92238fff4d9580eaa1d61a555da6b3e697dbcb1bbd8
SHA512d7e2cb4e458c3dcff94a3b484860a81d9eb1dd4269cd055912c5fff921aa249e62a7a65b023a45f52de1e13553ae2de4d2659ba6085358d0a39941d4022b4978
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3169499791-3545231813-3156325206-1000\83aa4cc77f591dfc2374580bbd95f6ba_68138b08-1fe0-4204-8ec7-0d10a591e99a
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