Analysis
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max time kernel
150s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29/05/2024, 10:02
Static task
static1
Behavioral task
behavioral1
Sample
3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar
Resource
win10v2004-20240508-en
General
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Target
3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar
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Size
547KB
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MD5
58cd4213ec3b3533f25c513f8c8955bd
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SHA1
beba41a4860199952e72d0b71260736f2191faea
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SHA256
3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507
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SHA512
d4e59abdcf835f3c0e14d3e74c03f26f790529488ce606fd84dab4543c66892d3bf05aa91783acec8792b06c3bea630e4e75256ea0bc72f61496ad86046b6752
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SSDEEP
12288:rDqOvqO5MBWvA+Ju7WOSi4sPjUj+H/GHH45TYEBn5:XvAoFuaOSspuH4lYM
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\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 1668 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4684 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.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 4584 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 1144 WMIC.exe Token: SeSecurityPrivilege 1144 WMIC.exe Token: SeTakeOwnershipPrivilege 1144 WMIC.exe Token: SeLoadDriverPrivilege 1144 WMIC.exe Token: SeSystemProfilePrivilege 1144 WMIC.exe Token: SeSystemtimePrivilege 1144 WMIC.exe Token: SeProfSingleProcessPrivilege 1144 WMIC.exe Token: SeIncBasePriorityPrivilege 1144 WMIC.exe Token: SeCreatePagefilePrivilege 1144 WMIC.exe Token: SeBackupPrivilege 1144 WMIC.exe Token: SeRestorePrivilege 1144 WMIC.exe Token: SeShutdownPrivilege 1144 WMIC.exe Token: SeDebugPrivilege 1144 WMIC.exe Token: SeSystemEnvironmentPrivilege 1144 WMIC.exe Token: SeRemoteShutdownPrivilege 1144 WMIC.exe Token: SeUndockPrivilege 1144 WMIC.exe Token: SeManageVolumePrivilege 1144 WMIC.exe Token: 33 1144 WMIC.exe Token: 34 1144 WMIC.exe Token: 35 1144 WMIC.exe Token: 36 1144 WMIC.exe Token: SeIncreaseQuotaPrivilege 1736 WMIC.exe Token: SeSecurityPrivilege 1736 WMIC.exe Token: SeTakeOwnershipPrivilege 1736 WMIC.exe Token: SeLoadDriverPrivilege 1736 WMIC.exe Token: SeSystemProfilePrivilege 1736 WMIC.exe Token: SeSystemtimePrivilege 1736 WMIC.exe Token: SeProfSingleProcessPrivilege 1736 WMIC.exe Token: SeIncBasePriorityPrivilege 1736 WMIC.exe Token: SeCreatePagefilePrivilege 1736 WMIC.exe Token: SeBackupPrivilege 1736 WMIC.exe Token: SeRestorePrivilege 1736 WMIC.exe Token: SeShutdownPrivilege 1736 WMIC.exe Token: SeDebugPrivilege 1736 WMIC.exe Token: SeSystemEnvironmentPrivilege 1736 WMIC.exe Token: SeRemoteShutdownPrivilege 1736 WMIC.exe Token: SeUndockPrivilege 1736 WMIC.exe Token: SeManageVolumePrivilege 1736 WMIC.exe Token: 33 1736 WMIC.exe Token: 34 1736 WMIC.exe Token: 35 1736 WMIC.exe Token: 36 1736 WMIC.exe Token: SeIncreaseQuotaPrivilege 1736 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3016 wrote to memory of 4684 3016 java.exe 84 PID 3016 wrote to memory of 4684 3016 java.exe 84 PID 3016 wrote to memory of 3260 3016 java.exe 92 PID 3016 wrote to memory of 3260 3016 java.exe 92 PID 3260 wrote to memory of 2104 3260 java.exe 95 PID 3260 wrote to memory of 2104 3260 java.exe 95 PID 3260 wrote to memory of 1668 3260 java.exe 97 PID 3260 wrote to memory of 1668 3260 java.exe 97 PID 2104 wrote to memory of 4584 2104 cmd.exe 99 PID 2104 wrote to memory of 4584 2104 cmd.exe 99 PID 1668 wrote to memory of 1596 1668 java.exe 100 PID 1668 wrote to memory of 1596 1668 java.exe 100 PID 1596 wrote to memory of 1144 1596 cmd.exe 102 PID 1596 wrote to memory of 1144 1596 cmd.exe 102 PID 1668 wrote to memory of 996 1668 java.exe 103 PID 1668 wrote to memory of 996 1668 java.exe 103 PID 996 wrote to memory of 1736 996 cmd.exe 105 PID 996 wrote to memory of 1736 996 cmd.exe 105 PID 1668 wrote to memory of 1564 1668 java.exe 106 PID 1668 wrote to memory of 1564 1668 java.exe 106 PID 1564 wrote to memory of 4420 1564 cmd.exe 108 PID 1564 wrote to memory of 4420 1564 cmd.exe 108 PID 1668 wrote to memory of 1124 1668 java.exe 109 PID 1668 wrote to memory of 1124 1668 java.exe 109 PID 1124 wrote to memory of 1368 1124 cmd.exe 111 PID 1124 wrote to memory of 1368 1124 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
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
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:4684
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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\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"4⤵
- Creates scheduled task(s)
PID:4584
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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\3fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668 -
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:1596 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1144
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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:996 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1736
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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:1564 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4420
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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:1124 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1368
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD569662737a689eb53b683edc21e40fcea
SHA1c268b033c58c5d61152d40e8d06d18613387bae5
SHA256781802dabaca85ce92ad76bbc478bd2b3a4409a38023824c778cd74869f21df4
SHA51227f6fb54783a60c1944cf8008559bf9b4203070cb11255e70074dfdb48fca7bd957ce8568986725870a9f70c5041e96df2c96f84e0cbcaf1a6866c08be84c59c
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Filesize
547KB
MD558cd4213ec3b3533f25c513f8c8955bd
SHA1beba41a4860199952e72d0b71260736f2191faea
SHA2563fe4e6a766fe9c2ef1351917f9c231c714def28e8c1d42a1f75d0a664f719507
SHA512d4e59abdcf835f3c0e14d3e74c03f26f790529488ce606fd84dab4543c66892d3bf05aa91783acec8792b06c3bea630e4e75256ea0bc72f61496ad86046b6752
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2804150937-2146708401-419095071-1000\83aa4cc77f591dfc2374580bbd95f6ba_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd
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