Analysis
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max time kernel
149s -
max time network
153s -
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 01:00
Static task
static1
Behavioral task
behavioral1
Sample
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
Resource
win10v2004-20240508-en
General
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Target
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar
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Size
452KB
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MD5
b07c339834a5d170e4d53d5047450a8d
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SHA1
de8e5013ce628b4d1d14e3f4b665ffbda1faea82
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SHA256
0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
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SHA512
c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9
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SSDEEP
12288:iU9rum+uhMaH/Ml0nZQZGrotf0wXfMhmQd3jEdkR:num+uaaf0YKKotfxXfMhmQdzWI
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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2104 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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.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 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.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
WMIC.exeWMIC.exedescription pid Process Token: SeIncreaseQuotaPrivilege 3220 WMIC.exe Token: SeSecurityPrivilege 3220 WMIC.exe Token: SeTakeOwnershipPrivilege 3220 WMIC.exe Token: SeLoadDriverPrivilege 3220 WMIC.exe Token: SeSystemProfilePrivilege 3220 WMIC.exe Token: SeSystemtimePrivilege 3220 WMIC.exe Token: SeProfSingleProcessPrivilege 3220 WMIC.exe Token: SeIncBasePriorityPrivilege 3220 WMIC.exe Token: SeCreatePagefilePrivilege 3220 WMIC.exe Token: SeBackupPrivilege 3220 WMIC.exe Token: SeRestorePrivilege 3220 WMIC.exe Token: SeShutdownPrivilege 3220 WMIC.exe Token: SeDebugPrivilege 3220 WMIC.exe Token: SeSystemEnvironmentPrivilege 3220 WMIC.exe Token: SeRemoteShutdownPrivilege 3220 WMIC.exe Token: SeUndockPrivilege 3220 WMIC.exe Token: SeManageVolumePrivilege 3220 WMIC.exe Token: 33 3220 WMIC.exe Token: 34 3220 WMIC.exe Token: 35 3220 WMIC.exe Token: 36 3220 WMIC.exe Token: SeIncreaseQuotaPrivilege 3220 WMIC.exe Token: SeSecurityPrivilege 3220 WMIC.exe Token: SeTakeOwnershipPrivilege 3220 WMIC.exe Token: SeLoadDriverPrivilege 3220 WMIC.exe Token: SeSystemProfilePrivilege 3220 WMIC.exe Token: SeSystemtimePrivilege 3220 WMIC.exe Token: SeProfSingleProcessPrivilege 3220 WMIC.exe Token: SeIncBasePriorityPrivilege 3220 WMIC.exe Token: SeCreatePagefilePrivilege 3220 WMIC.exe Token: SeBackupPrivilege 3220 WMIC.exe Token: SeRestorePrivilege 3220 WMIC.exe Token: SeShutdownPrivilege 3220 WMIC.exe Token: SeDebugPrivilege 3220 WMIC.exe Token: SeSystemEnvironmentPrivilege 3220 WMIC.exe Token: SeRemoteShutdownPrivilege 3220 WMIC.exe Token: SeUndockPrivilege 3220 WMIC.exe Token: SeManageVolumePrivilege 3220 WMIC.exe Token: 33 3220 WMIC.exe Token: 34 3220 WMIC.exe Token: 35 3220 WMIC.exe Token: 36 3220 WMIC.exe Token: SeIncreaseQuotaPrivilege 5044 WMIC.exe Token: SeSecurityPrivilege 5044 WMIC.exe Token: SeTakeOwnershipPrivilege 5044 WMIC.exe Token: SeLoadDriverPrivilege 5044 WMIC.exe Token: SeSystemProfilePrivilege 5044 WMIC.exe Token: SeSystemtimePrivilege 5044 WMIC.exe Token: SeProfSingleProcessPrivilege 5044 WMIC.exe Token: SeIncBasePriorityPrivilege 5044 WMIC.exe Token: SeCreatePagefilePrivilege 5044 WMIC.exe Token: SeBackupPrivilege 5044 WMIC.exe Token: SeRestorePrivilege 5044 WMIC.exe Token: SeShutdownPrivilege 5044 WMIC.exe Token: SeDebugPrivilege 5044 WMIC.exe Token: SeSystemEnvironmentPrivilege 5044 WMIC.exe Token: SeRemoteShutdownPrivilege 5044 WMIC.exe Token: SeUndockPrivilege 5044 WMIC.exe Token: SeManageVolumePrivilege 5044 WMIC.exe Token: 33 5044 WMIC.exe Token: 34 5044 WMIC.exe Token: 35 5044 WMIC.exe Token: 36 5044 WMIC.exe Token: SeIncreaseQuotaPrivilege 5044 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 620 wrote to memory of 1624 620 java.exe 83 PID 620 wrote to memory of 1624 620 java.exe 83 PID 620 wrote to memory of 3948 620 java.exe 92 PID 620 wrote to memory of 3948 620 java.exe 92 PID 3948 wrote to memory of 3428 3948 java.exe 95 PID 3948 wrote to memory of 3428 3948 java.exe 95 PID 3948 wrote to memory of 2104 3948 java.exe 97 PID 3948 wrote to memory of 2104 3948 java.exe 97 PID 3428 wrote to memory of 364 3428 cmd.exe 99 PID 3428 wrote to memory of 364 3428 cmd.exe 99 PID 2104 wrote to memory of 432 2104 java.exe 100 PID 2104 wrote to memory of 432 2104 java.exe 100 PID 432 wrote to memory of 3220 432 cmd.exe 102 PID 432 wrote to memory of 3220 432 cmd.exe 102 PID 2104 wrote to memory of 3324 2104 java.exe 103 PID 2104 wrote to memory of 3324 2104 java.exe 103 PID 3324 wrote to memory of 5044 3324 cmd.exe 105 PID 3324 wrote to memory of 5044 3324 cmd.exe 105 PID 2104 wrote to memory of 1296 2104 java.exe 106 PID 2104 wrote to memory of 1296 2104 java.exe 106 PID 1296 wrote to memory of 624 1296 cmd.exe 108 PID 1296 wrote to memory of 624 1296 cmd.exe 108 PID 2104 wrote to memory of 4108 2104 java.exe 109 PID 2104 wrote to memory of 4108 2104 java.exe 109 PID 4108 wrote to memory of 1828 4108 cmd.exe 111 PID 4108 wrote to memory of 1828 4108 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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar1⤵
- Suspicious use of WriteProcessMemory
PID:620 -
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:1624
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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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"4⤵
- Creates scheduled task(s)
PID:364
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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\0285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104 -
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:432 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3220
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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:3324 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:5044
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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:1296 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:624
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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:4108 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:1828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD5c9c25b1cf44afbaffc7bf7f52076ac39
SHA1033a4a7270f2eb18fb5f3f4c3930c3706a73a0e7
SHA256709e946f7de5d58ee28f356d73bafa981d1081f361f50374ad2f82f009265649
SHA5123e73798eec0e38e539772910731ba5970f78bab87d10576a35d982746aa10c613a662df424d8e51f5a43f2eb81a103be4043a544b4d8ff37a45244af7135db95
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
452KB
MD5b07c339834a5d170e4d53d5047450a8d
SHA1de8e5013ce628b4d1d14e3f4b665ffbda1faea82
SHA2560285e2e492a0054ea00d3790884448a8bf2ba890de6496ecaa9fa22af97100eb
SHA512c455b22807f9d592db3d36ffdf808242df7c87537bdcee8516cd22196bc688b728ec827a56a8c05d072c20482819257c0d749d09a7a2e1aa67ba168bc499c5f9
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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