Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-06-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
Resource
win10v2004-20240426-en
General
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Target
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar
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Size
452KB
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MD5
188614b72a3baaf3f018157d12223538
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SHA1
f9d7a5a4f743c4d22f6563436761912dacba2a90
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SHA256
838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
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SHA512
988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
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SSDEEP
12288:CU9r+Wu+x8qH/M10nJQpGrodvkg3/MhGQt3j0dWT:X+Wu+KqfkY6Kodvx3/MhGQtzms
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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid process 400 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-1-5-21-540404634-651139247-2967210625-1000\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.
Processes:
flow ioc 24 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 4736 WMIC.exe Token: SeSecurityPrivilege 4736 WMIC.exe Token: SeTakeOwnershipPrivilege 4736 WMIC.exe Token: SeLoadDriverPrivilege 4736 WMIC.exe Token: SeSystemProfilePrivilege 4736 WMIC.exe Token: SeSystemtimePrivilege 4736 WMIC.exe Token: SeProfSingleProcessPrivilege 4736 WMIC.exe Token: SeIncBasePriorityPrivilege 4736 WMIC.exe Token: SeCreatePagefilePrivilege 4736 WMIC.exe Token: SeBackupPrivilege 4736 WMIC.exe Token: SeRestorePrivilege 4736 WMIC.exe Token: SeShutdownPrivilege 4736 WMIC.exe Token: SeDebugPrivilege 4736 WMIC.exe Token: SeSystemEnvironmentPrivilege 4736 WMIC.exe Token: SeRemoteShutdownPrivilege 4736 WMIC.exe Token: SeUndockPrivilege 4736 WMIC.exe Token: SeManageVolumePrivilege 4736 WMIC.exe Token: 33 4736 WMIC.exe Token: 34 4736 WMIC.exe Token: 35 4736 WMIC.exe Token: 36 4736 WMIC.exe Token: SeIncreaseQuotaPrivilege 4736 WMIC.exe Token: SeSecurityPrivilege 4736 WMIC.exe Token: SeTakeOwnershipPrivilege 4736 WMIC.exe Token: SeLoadDriverPrivilege 4736 WMIC.exe Token: SeSystemProfilePrivilege 4736 WMIC.exe Token: SeSystemtimePrivilege 4736 WMIC.exe Token: SeProfSingleProcessPrivilege 4736 WMIC.exe Token: SeIncBasePriorityPrivilege 4736 WMIC.exe Token: SeCreatePagefilePrivilege 4736 WMIC.exe Token: SeBackupPrivilege 4736 WMIC.exe Token: SeRestorePrivilege 4736 WMIC.exe Token: SeShutdownPrivilege 4736 WMIC.exe Token: SeDebugPrivilege 4736 WMIC.exe Token: SeSystemEnvironmentPrivilege 4736 WMIC.exe Token: SeRemoteShutdownPrivilege 4736 WMIC.exe Token: SeUndockPrivilege 4736 WMIC.exe Token: SeManageVolumePrivilege 4736 WMIC.exe Token: 33 4736 WMIC.exe Token: 34 4736 WMIC.exe Token: 35 4736 WMIC.exe Token: 36 4736 WMIC.exe Token: SeIncreaseQuotaPrivilege 1556 WMIC.exe Token: SeSecurityPrivilege 1556 WMIC.exe Token: SeTakeOwnershipPrivilege 1556 WMIC.exe Token: SeLoadDriverPrivilege 1556 WMIC.exe Token: SeSystemProfilePrivilege 1556 WMIC.exe Token: SeSystemtimePrivilege 1556 WMIC.exe Token: SeProfSingleProcessPrivilege 1556 WMIC.exe Token: SeIncBasePriorityPrivilege 1556 WMIC.exe Token: SeCreatePagefilePrivilege 1556 WMIC.exe Token: SeBackupPrivilege 1556 WMIC.exe Token: SeRestorePrivilege 1556 WMIC.exe Token: SeShutdownPrivilege 1556 WMIC.exe Token: SeDebugPrivilege 1556 WMIC.exe Token: SeSystemEnvironmentPrivilege 1556 WMIC.exe Token: SeRemoteShutdownPrivilege 1556 WMIC.exe Token: SeUndockPrivilege 1556 WMIC.exe Token: SeManageVolumePrivilege 1556 WMIC.exe Token: 33 1556 WMIC.exe Token: 34 1556 WMIC.exe Token: 35 1556 WMIC.exe Token: 36 1556 WMIC.exe Token: SeIncreaseQuotaPrivilege 1556 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid process target process PID 1396 wrote to memory of 808 1396 java.exe icacls.exe PID 1396 wrote to memory of 808 1396 java.exe icacls.exe PID 1396 wrote to memory of 1604 1396 java.exe java.exe PID 1396 wrote to memory of 1604 1396 java.exe java.exe PID 1604 wrote to memory of 452 1604 java.exe cmd.exe PID 1604 wrote to memory of 452 1604 java.exe cmd.exe PID 1604 wrote to memory of 400 1604 java.exe java.exe PID 1604 wrote to memory of 400 1604 java.exe java.exe PID 452 wrote to memory of 3000 452 cmd.exe schtasks.exe PID 452 wrote to memory of 3000 452 cmd.exe schtasks.exe PID 400 wrote to memory of 1204 400 java.exe cmd.exe PID 400 wrote to memory of 1204 400 java.exe cmd.exe PID 1204 wrote to memory of 4736 1204 cmd.exe WMIC.exe PID 1204 wrote to memory of 4736 1204 cmd.exe WMIC.exe PID 400 wrote to memory of 4556 400 java.exe cmd.exe PID 400 wrote to memory of 4556 400 java.exe cmd.exe PID 4556 wrote to memory of 1556 4556 cmd.exe WMIC.exe PID 4556 wrote to memory of 1556 4556 cmd.exe WMIC.exe PID 400 wrote to memory of 4796 400 java.exe cmd.exe PID 400 wrote to memory of 4796 400 java.exe cmd.exe PID 4796 wrote to memory of 2220 4796 cmd.exe WMIC.exe PID 4796 wrote to memory of 2220 4796 cmd.exe WMIC.exe PID 400 wrote to memory of 628 400 java.exe cmd.exe PID 400 wrote to memory of 628 400 java.exe cmd.exe PID 628 wrote to memory of 1660 628 cmd.exe WMIC.exe PID 628 wrote to memory of 1660 628 cmd.exe WMIC.exe -
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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1396 -
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:808
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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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1604 -
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:452 -
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:3000
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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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:400 -
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:1204 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4736
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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:4556 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1556
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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:4796 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2220
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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:628 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD514b8ccbd361c40f7977530a115b80554
SHA1d865ca8c61fd9d16eec0ce2a09f064e2d1958866
SHA25601e5072ec6944ff372d4e73a728f5cdfa9dfa2d4091d5b23cf29785b08a9b225
SHA512977270d4c6e2dc12bbf4531244d8306b45c0bd58ee6274b82b61b9da8190f15168f9992a114fcea6d52d88dcd9ecf4709779b376915ad5b841f668e255179b12
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
452KB
MD5188614b72a3baaf3f018157d12223538
SHA1f9d7a5a4f743c4d22f6563436761912dacba2a90
SHA256838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667
SHA512988445b15fc4b3a9fe28a15c859becaaf3692ec76399e17618e9d1382d73f85549130801210b82e41b76c779bc4ea2bc94c4fafe6a462510d4a0ccc75945e8c8
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-540404634-651139247-2967210625-1000\83aa4cc77f591dfc2374580bbd95f6ba_41e50f4a-4a76-42e1-a3df-51306e426307
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