Analysis
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max time kernel
149s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-06-2024 01:20
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
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.jar java.exe -
Loads dropped DLL 1 IoCs
pid Process 4308 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2864 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1116 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4584 WMIC.exe Token: SeSecurityPrivilege 4584 WMIC.exe Token: SeTakeOwnershipPrivilege 4584 WMIC.exe Token: SeLoadDriverPrivilege 4584 WMIC.exe Token: SeSystemProfilePrivilege 4584 WMIC.exe Token: SeSystemtimePrivilege 4584 WMIC.exe Token: SeProfSingleProcessPrivilege 4584 WMIC.exe Token: SeIncBasePriorityPrivilege 4584 WMIC.exe Token: SeCreatePagefilePrivilege 4584 WMIC.exe Token: SeBackupPrivilege 4584 WMIC.exe Token: SeRestorePrivilege 4584 WMIC.exe Token: SeShutdownPrivilege 4584 WMIC.exe Token: SeDebugPrivilege 4584 WMIC.exe Token: SeSystemEnvironmentPrivilege 4584 WMIC.exe Token: SeRemoteShutdownPrivilege 4584 WMIC.exe Token: SeUndockPrivilege 4584 WMIC.exe Token: SeManageVolumePrivilege 4584 WMIC.exe Token: 33 4584 WMIC.exe Token: 34 4584 WMIC.exe Token: 35 4584 WMIC.exe Token: 36 4584 WMIC.exe Token: SeIncreaseQuotaPrivilege 4584 WMIC.exe Token: SeSecurityPrivilege 4584 WMIC.exe Token: SeTakeOwnershipPrivilege 4584 WMIC.exe Token: SeLoadDriverPrivilege 4584 WMIC.exe Token: SeSystemProfilePrivilege 4584 WMIC.exe Token: SeSystemtimePrivilege 4584 WMIC.exe Token: SeProfSingleProcessPrivilege 4584 WMIC.exe Token: SeIncBasePriorityPrivilege 4584 WMIC.exe Token: SeCreatePagefilePrivilege 4584 WMIC.exe Token: SeBackupPrivilege 4584 WMIC.exe Token: SeRestorePrivilege 4584 WMIC.exe Token: SeShutdownPrivilege 4584 WMIC.exe Token: SeDebugPrivilege 4584 WMIC.exe Token: SeSystemEnvironmentPrivilege 4584 WMIC.exe Token: SeRemoteShutdownPrivilege 4584 WMIC.exe Token: SeUndockPrivilege 4584 WMIC.exe Token: SeManageVolumePrivilege 4584 WMIC.exe Token: 33 4584 WMIC.exe Token: 34 4584 WMIC.exe Token: 35 4584 WMIC.exe Token: 36 4584 WMIC.exe Token: SeIncreaseQuotaPrivilege 3372 WMIC.exe Token: SeSecurityPrivilege 3372 WMIC.exe Token: SeTakeOwnershipPrivilege 3372 WMIC.exe Token: SeLoadDriverPrivilege 3372 WMIC.exe Token: SeSystemProfilePrivilege 3372 WMIC.exe Token: SeSystemtimePrivilege 3372 WMIC.exe Token: SeProfSingleProcessPrivilege 3372 WMIC.exe Token: SeIncBasePriorityPrivilege 3372 WMIC.exe Token: SeCreatePagefilePrivilege 3372 WMIC.exe Token: SeBackupPrivilege 3372 WMIC.exe Token: SeRestorePrivilege 3372 WMIC.exe Token: SeShutdownPrivilege 3372 WMIC.exe Token: SeDebugPrivilege 3372 WMIC.exe Token: SeSystemEnvironmentPrivilege 3372 WMIC.exe Token: SeRemoteShutdownPrivilege 3372 WMIC.exe Token: SeUndockPrivilege 3372 WMIC.exe Token: SeManageVolumePrivilege 3372 WMIC.exe Token: 33 3372 WMIC.exe Token: 34 3372 WMIC.exe Token: 35 3372 WMIC.exe Token: 36 3372 WMIC.exe Token: SeIncreaseQuotaPrivilege 3372 WMIC.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2864 2720 java.exe 85 PID 2720 wrote to memory of 2864 2720 java.exe 85 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 2368 3396 java.exe 94 PID 3396 wrote to memory of 2368 3396 java.exe 94 PID 3396 wrote to memory of 4308 3396 java.exe 95 PID 3396 wrote to memory of 4308 3396 java.exe 95 PID 2368 wrote to memory of 1116 2368 cmd.exe 98 PID 2368 wrote to memory of 1116 2368 cmd.exe 98 PID 4308 wrote to memory of 2008 4308 java.exe 100 PID 4308 wrote to memory of 2008 4308 java.exe 100 PID 2008 wrote to memory of 4584 2008 cmd.exe 102 PID 2008 wrote to memory of 4584 2008 cmd.exe 102 PID 4308 wrote to memory of 4916 4308 java.exe 103 PID 4308 wrote to memory of 4916 4308 java.exe 103 PID 4916 wrote to memory of 3372 4916 cmd.exe 105 PID 4916 wrote to memory of 3372 4916 cmd.exe 105 PID 4308 wrote to memory of 2504 4308 java.exe 106 PID 4308 wrote to memory of 2504 4308 java.exe 106 PID 2504 wrote to memory of 472 2504 cmd.exe 108 PID 2504 wrote to memory of 472 2504 cmd.exe 108 PID 4308 wrote to memory of 1492 4308 java.exe 109 PID 4308 wrote to memory of 1492 4308 java.exe 109 PID 1492 wrote to memory of 456 1492 cmd.exe 111 PID 1492 wrote to memory of 456 1492 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\838feba9c3f59776a04d380c1f94f7d93a84e8256ce07d94482528d373470667.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:2864
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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:3396 -
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:2368 -
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:1116
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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:4308 -
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:2008 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4584
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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:4916 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3372
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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:2504 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:472
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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:1492 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5536e665060c86543d82c58a7ec921214
SHA1d3e648c67922e5863717453aad1deeaead6bf3eb
SHA256aa7619a1af21db7180f9ee4897c5ef638da8df75d0f1e96e2f60428a3b796786
SHA512287a8229fc713ba0ad7d197408970ed497c0d222d0084f35f8b18c7f4e6dd160cf5aee973bcfe2cb48ca18af90aec2bc8fd4a02e8a7acb7a073d90652dea3ed1
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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-1-5-21-1162180587-977231257-2194346871-1000\83aa4cc77f591dfc2374580bbd95f6ba_44d43ff8-91cd-4ca7-92c9-6495b4f546fa
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
1.2MB
MD5b8c986a58da2dfc172613e128e07284c
SHA1896edd97015d863cada1c4bfd94afbe76842a26a
SHA2560f7e45e45a7e5cc9c42101e15e96a0830c67495f24d25e4ed2841d3ecc48ff4c
SHA512f7e67829e793c389b3a623f1499ca1845ddaf350f12d7f3e0983eae56bad1283e7a7edf7d594e79ec0c6cee1532a2cbd106a0a0b18fa46587b25970c36e3fc88
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.1MB
MD500a45b35bb40f7ffe362859f09d6308e
SHA16674743ad88918c6156d1c6831c808ba04038f31
SHA256f202650104317eb3f83579442d266a72719f8da9b10a0a13e1d17aedeba6ae25
SHA512c78371f6ff46f8ca6b5ebe434d815b0747da6a7a7c27170ad6d4f0966ac4cf820a2500c08b9df609983a749f01e1591a654fbdfbebbeb4ccdbb9da5cd46fbee7
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Filesize
2.1MB
MD513f335e260ec8fe4ece1dc7f42c94743
SHA1b4a939538553b1598094b3877cf7290d22620ffe
SHA2563cd67ab31e1b3bcf3e01c0ea01f1555d3af133978c56906b1508012e0c60044a
SHA5124abcbec8289e49b06e3a293fc1139aaba3b507ce50e068a20513e5498e10bf9b40d69b17dbe9f27791419076f3209801464e8c4d431cbe6761e051c8d9daab72
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d