Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 13:19
Static task
static1
Behavioral task
behavioral1
Sample
27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar
Resource
win10v2004-20240426-en
General
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Target
27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar
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Size
558KB
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MD5
cbc196fe2d418f1e6ad46cc906a1f6fa
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SHA1
cd0b7f45e2f5077b567f26b8bb0d553d6e605311
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SHA256
27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c
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SHA512
94694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae
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SSDEEP
6144:FsoiTHc0JQc7jot+Tn3leT9OMiYNf2M57Qu1LJ5NIn4knrWIMXYMXs+72EE/20y/:FsogJItaeR/NucMu11INrWlX2/nyz+5w
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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar java.exe -
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 4480 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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.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 44 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 4440 WMIC.exe Token: SeSecurityPrivilege 4440 WMIC.exe Token: SeTakeOwnershipPrivilege 4440 WMIC.exe Token: SeLoadDriverPrivilege 4440 WMIC.exe Token: SeSystemProfilePrivilege 4440 WMIC.exe Token: SeSystemtimePrivilege 4440 WMIC.exe Token: SeProfSingleProcessPrivilege 4440 WMIC.exe Token: SeIncBasePriorityPrivilege 4440 WMIC.exe Token: SeCreatePagefilePrivilege 4440 WMIC.exe Token: SeBackupPrivilege 4440 WMIC.exe Token: SeRestorePrivilege 4440 WMIC.exe Token: SeShutdownPrivilege 4440 WMIC.exe Token: SeDebugPrivilege 4440 WMIC.exe Token: SeSystemEnvironmentPrivilege 4440 WMIC.exe Token: SeRemoteShutdownPrivilege 4440 WMIC.exe Token: SeUndockPrivilege 4440 WMIC.exe Token: SeManageVolumePrivilege 4440 WMIC.exe Token: 33 4440 WMIC.exe Token: 34 4440 WMIC.exe Token: 35 4440 WMIC.exe Token: 36 4440 WMIC.exe Token: SeIncreaseQuotaPrivilege 4440 WMIC.exe Token: SeSecurityPrivilege 4440 WMIC.exe Token: SeTakeOwnershipPrivilege 4440 WMIC.exe Token: SeLoadDriverPrivilege 4440 WMIC.exe Token: SeSystemProfilePrivilege 4440 WMIC.exe Token: SeSystemtimePrivilege 4440 WMIC.exe Token: SeProfSingleProcessPrivilege 4440 WMIC.exe Token: SeIncBasePriorityPrivilege 4440 WMIC.exe Token: SeCreatePagefilePrivilege 4440 WMIC.exe Token: SeBackupPrivilege 4440 WMIC.exe Token: SeRestorePrivilege 4440 WMIC.exe Token: SeShutdownPrivilege 4440 WMIC.exe Token: SeDebugPrivilege 4440 WMIC.exe Token: SeSystemEnvironmentPrivilege 4440 WMIC.exe Token: SeRemoteShutdownPrivilege 4440 WMIC.exe Token: SeUndockPrivilege 4440 WMIC.exe Token: SeManageVolumePrivilege 4440 WMIC.exe Token: 33 4440 WMIC.exe Token: 34 4440 WMIC.exe Token: 35 4440 WMIC.exe Token: 36 4440 WMIC.exe Token: SeIncreaseQuotaPrivilege 2388 WMIC.exe Token: SeSecurityPrivilege 2388 WMIC.exe Token: SeTakeOwnershipPrivilege 2388 WMIC.exe Token: SeLoadDriverPrivilege 2388 WMIC.exe Token: SeSystemProfilePrivilege 2388 WMIC.exe Token: SeSystemtimePrivilege 2388 WMIC.exe Token: SeProfSingleProcessPrivilege 2388 WMIC.exe Token: SeIncBasePriorityPrivilege 2388 WMIC.exe Token: SeCreatePagefilePrivilege 2388 WMIC.exe Token: SeBackupPrivilege 2388 WMIC.exe Token: SeRestorePrivilege 2388 WMIC.exe Token: SeShutdownPrivilege 2388 WMIC.exe Token: SeDebugPrivilege 2388 WMIC.exe Token: SeSystemEnvironmentPrivilege 2388 WMIC.exe Token: SeRemoteShutdownPrivilege 2388 WMIC.exe Token: SeUndockPrivilege 2388 WMIC.exe Token: SeManageVolumePrivilege 2388 WMIC.exe Token: 33 2388 WMIC.exe Token: 34 2388 WMIC.exe Token: 35 2388 WMIC.exe Token: 36 2388 WMIC.exe Token: SeIncreaseQuotaPrivilege 2388 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
java.exejava.execmd.exejava.execmd.execmd.execmd.execmd.exedescription pid Process procid_target PID 1952 wrote to memory of 4624 1952 java.exe 83 PID 1952 wrote to memory of 4624 1952 java.exe 83 PID 1952 wrote to memory of 4372 1952 java.exe 94 PID 1952 wrote to memory of 4372 1952 java.exe 94 PID 4372 wrote to memory of 2228 4372 java.exe 96 PID 4372 wrote to memory of 2228 4372 java.exe 96 PID 4372 wrote to memory of 4480 4372 java.exe 97 PID 4372 wrote to memory of 4480 4372 java.exe 97 PID 2228 wrote to memory of 3832 2228 cmd.exe 100 PID 2228 wrote to memory of 3832 2228 cmd.exe 100 PID 4480 wrote to memory of 3532 4480 java.exe 101 PID 4480 wrote to memory of 3532 4480 java.exe 101 PID 3532 wrote to memory of 4440 3532 cmd.exe 103 PID 3532 wrote to memory of 4440 3532 cmd.exe 103 PID 4480 wrote to memory of 4412 4480 java.exe 105 PID 4480 wrote to memory of 4412 4480 java.exe 105 PID 4412 wrote to memory of 2388 4412 cmd.exe 107 PID 4412 wrote to memory of 2388 4412 cmd.exe 107 PID 4480 wrote to memory of 2468 4480 java.exe 108 PID 4480 wrote to memory of 2468 4480 java.exe 108 PID 2468 wrote to memory of 1656 2468 cmd.exe 110 PID 2468 wrote to memory of 1656 2468 cmd.exe 110 PID 4480 wrote to memory of 4172 4480 java.exe 111 PID 4480 wrote to memory of 4172 4480 java.exe 111 PID 4172 wrote to memory of 3516 4172 cmd.exe 113 PID 4172 wrote to memory of 3516 4172 cmd.exe 113 -
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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
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:4624
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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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"4⤵
- Creates scheduled task(s)
PID:3832
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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\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4480 -
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:3532 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4440
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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:4412 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:2388
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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:2468 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:1656
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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:4172 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:3516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46B
MD51631fb3b32b43fae5af166ed299f1c9c
SHA10a966c3366fc29030e70fd5f1ecfaf1e87e62119
SHA256cdb86c6896207493b154ef40aba60a44c667b2aad7b62a3270e9440e315b53ef
SHA51277b72f54cce7b75ee1e49f287eda39cde8bf1a7383475198e4850db2753068284bab9dd834bc6a29d361fbba770c6e70b0449d8dda7b5554879a3e9f49fd2de8
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Filesize
46B
MD59f11867c6e72a888d24942a6e3590a56
SHA16a8ddb2a3c8f74243946cf4f3337688833c6d460
SHA25694859233500449313929c96b99f5ad1855f07becad527e849e577cd43d43bb13
SHA512d7ef241c47f2f290f5edeadb7d7388dccb77b6377e0cf8d73f51c435fc2c3007b6b258a424070491182028190e0630e3b67e7b18998f0bb1e50096a92faab98b
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Filesize
558KB
MD5cbc196fe2d418f1e6ad46cc906a1f6fa
SHA1cd0b7f45e2f5077b567f26b8bb0d553d6e605311
SHA25627f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c
SHA51294694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-711569230-3659488422-571408806-1000\83aa4cc77f591dfc2374580bbd95f6ba_5fd6b8d9-48b3-42c0-adc7-08f9fe7c965e
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