Analysis
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max time kernel
149s -
max time network
151s -
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 04:28
Static task
static1
Behavioral task
behavioral1
Sample
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
Resource
win10v2004-20240426-en
General
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Target
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar
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Size
452KB
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MD5
b863903234d42638a8c23da983521741
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SHA1
c36e2e31e51ce16dcf7e14256f95dd79754bd69d
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SHA256
db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5
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SHA512
1be7f49a77c589ac76f49a4f33f173559a73113449a19b839462a2ca056f4d008c2d3ecf24f69176feb4550d40a09e3ff1e5abeef9d126d464e4d1d56d69c90e
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SSDEEP
12288:yU2rzFThSTrH/MrsnYQSGrobc1T4BMhLQqIZTf6q:ezFThOrfewqKobc14BMhLQq8z/
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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2360 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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5 = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.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 29 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 2576 WMIC.exe Token: SeSecurityPrivilege 2576 WMIC.exe Token: SeTakeOwnershipPrivilege 2576 WMIC.exe Token: SeLoadDriverPrivilege 2576 WMIC.exe Token: SeSystemProfilePrivilege 2576 WMIC.exe Token: SeSystemtimePrivilege 2576 WMIC.exe Token: SeProfSingleProcessPrivilege 2576 WMIC.exe Token: SeIncBasePriorityPrivilege 2576 WMIC.exe Token: SeCreatePagefilePrivilege 2576 WMIC.exe Token: SeBackupPrivilege 2576 WMIC.exe Token: SeRestorePrivilege 2576 WMIC.exe Token: SeShutdownPrivilege 2576 WMIC.exe Token: SeDebugPrivilege 2576 WMIC.exe Token: SeSystemEnvironmentPrivilege 2576 WMIC.exe Token: SeRemoteShutdownPrivilege 2576 WMIC.exe Token: SeUndockPrivilege 2576 WMIC.exe Token: SeManageVolumePrivilege 2576 WMIC.exe Token: 33 2576 WMIC.exe Token: 34 2576 WMIC.exe Token: 35 2576 WMIC.exe Token: 36 2576 WMIC.exe Token: SeIncreaseQuotaPrivilege 2576 WMIC.exe Token: SeSecurityPrivilege 2576 WMIC.exe Token: SeTakeOwnershipPrivilege 2576 WMIC.exe Token: SeLoadDriverPrivilege 2576 WMIC.exe Token: SeSystemProfilePrivilege 2576 WMIC.exe Token: SeSystemtimePrivilege 2576 WMIC.exe Token: SeProfSingleProcessPrivilege 2576 WMIC.exe Token: SeIncBasePriorityPrivilege 2576 WMIC.exe Token: SeCreatePagefilePrivilege 2576 WMIC.exe Token: SeBackupPrivilege 2576 WMIC.exe Token: SeRestorePrivilege 2576 WMIC.exe Token: SeShutdownPrivilege 2576 WMIC.exe Token: SeDebugPrivilege 2576 WMIC.exe Token: SeSystemEnvironmentPrivilege 2576 WMIC.exe Token: SeRemoteShutdownPrivilege 2576 WMIC.exe Token: SeUndockPrivilege 2576 WMIC.exe Token: SeManageVolumePrivilege 2576 WMIC.exe Token: 33 2576 WMIC.exe Token: 34 2576 WMIC.exe Token: 35 2576 WMIC.exe Token: 36 2576 WMIC.exe Token: SeIncreaseQuotaPrivilege 2164 WMIC.exe Token: SeSecurityPrivilege 2164 WMIC.exe Token: SeTakeOwnershipPrivilege 2164 WMIC.exe Token: SeLoadDriverPrivilege 2164 WMIC.exe Token: SeSystemProfilePrivilege 2164 WMIC.exe Token: SeSystemtimePrivilege 2164 WMIC.exe Token: SeProfSingleProcessPrivilege 2164 WMIC.exe Token: SeIncBasePriorityPrivilege 2164 WMIC.exe Token: SeCreatePagefilePrivilege 2164 WMIC.exe Token: SeBackupPrivilege 2164 WMIC.exe Token: SeRestorePrivilege 2164 WMIC.exe Token: SeShutdownPrivilege 2164 WMIC.exe Token: SeDebugPrivilege 2164 WMIC.exe Token: SeSystemEnvironmentPrivilege 2164 WMIC.exe Token: SeRemoteShutdownPrivilege 2164 WMIC.exe Token: SeUndockPrivilege 2164 WMIC.exe Token: SeManageVolumePrivilege 2164 WMIC.exe Token: 33 2164 WMIC.exe Token: 34 2164 WMIC.exe Token: 35 2164 WMIC.exe Token: 36 2164 WMIC.exe Token: SeIncreaseQuotaPrivilege 2164 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 2720 wrote to memory of 4960 2720 java.exe 83 PID 2720 wrote to memory of 4960 2720 java.exe 83 PID 2720 wrote to memory of 3396 2720 java.exe 92 PID 2720 wrote to memory of 3396 2720 java.exe 92 PID 3396 wrote to memory of 2864 3396 java.exe 94 PID 3396 wrote to memory of 2864 3396 java.exe 94 PID 3396 wrote to memory of 2360 3396 java.exe 95 PID 3396 wrote to memory of 2360 3396 java.exe 95 PID 2864 wrote to memory of 2300 2864 cmd.exe 98 PID 2864 wrote to memory of 2300 2864 cmd.exe 98 PID 2360 wrote to memory of 4964 2360 java.exe 100 PID 2360 wrote to memory of 4964 2360 java.exe 100 PID 4964 wrote to memory of 2576 4964 cmd.exe 102 PID 4964 wrote to memory of 2576 4964 cmd.exe 102 PID 2360 wrote to memory of 3272 2360 java.exe 103 PID 2360 wrote to memory of 3272 2360 java.exe 103 PID 3272 wrote to memory of 2164 3272 cmd.exe 105 PID 3272 wrote to memory of 2164 3272 cmd.exe 105 PID 2360 wrote to memory of 5108 2360 java.exe 106 PID 2360 wrote to memory of 5108 2360 java.exe 106 PID 5108 wrote to memory of 2688 5108 cmd.exe 108 PID 5108 wrote to memory of 2688 5108 cmd.exe 108 PID 2360 wrote to memory of 3548 2360 java.exe 109 PID 2360 wrote to memory of 3548 2360 java.exe 109 PID 3548 wrote to memory of 2340 3548 cmd.exe 111 PID 3548 wrote to memory of 2340 3548 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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar1⤵
- Suspicious use of WriteProcessMemory
PID:2720 -
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:4960
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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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"4⤵
- Creates scheduled task(s)
PID:2300
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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\db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360 -
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:4964 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2576
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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:3272 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2164
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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:5108 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:2688
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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:3548 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:2340
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD52f098e0c5161da4d91bde44f75ca5979
SHA1c399fb8983cf1b22b2e1b4f2edb695ccac7ec6de
SHA256ff3e9ad320a796c732565de765ca5aaab8489894d612f34c5194f24e41a08eca
SHA5125dcd2c4f7d091b0df4e671a78d6bce34def8184437d2b92dace83458f4012d890fa1618ebdd178f92c2194d6e30db5d54f228f18bf99bcf3e0c2780fb7b73286
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Filesize
46B
MD5f7b5381d99e198409101763e3cd4128c
SHA137c966a956c1dac66ce5c50a78a0970a3953a32b
SHA256407658ad14a78e2f59d343f44834b6c74738b2238097b5bc6d1a1a2f6c654fc7
SHA512896d5daec5ad4637b43050a3cb08b9c3d02f5f96723dbd3fdb52c940f004fe99d3a1b569d712e47eb05e1006b980be9dc52f616a5fbfcc19156e0b5e4d3742e6
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1162180587-977231257-2194346871-1000\83aa4cc77f591dfc2374580bbd95f6ba_44d43ff8-91cd-4ca7-92c9-6495b4f546fa
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
452KB
MD5b863903234d42638a8c23da983521741
SHA1c36e2e31e51ce16dcf7e14256f95dd79754bd69d
SHA256db428540c47e953c334f9374c2b1ad7ac3dec8904edddbaef7da7cceb599a5f5
SHA5121be7f49a77c589ac76f49a4f33f173559a73113449a19b839462a2ca056f4d008c2d3ecf24f69176feb4550d40a09e3ff1e5abeef9d126d464e4d1d56d69c90e
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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