Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 10:36
Static task
static1
Behavioral task
behavioral1
Sample
bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar
Resource
win10v2004-20240426-en
General
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Target
bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar
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Size
482KB
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MD5
5671c39350da5313eb5725698ef7eb11
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SHA1
de3cf3ee58d802660ed59c1a8a086e5b63c7c2b0
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SHA256
bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f
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SHA512
73b17bedb6c164f2d0b106d3f44a51cce76283640e5630668aa0d55863581a61432f745c782655e171114b2668155cb51f3c7c8df6df2ebb5bf7805c7fcb423c
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SSDEEP
6144:1C0YJxSdvu6wAk6HguiFuQDGctsa6551tr4Lz3GzcNso4Ry0cns5GIzi:9gS0hZuTQlt25ntrQ2zcNbyy0cns5lzi
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 888 java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 940 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.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 40 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 4936 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4196 WMIC.exe Token: SeSecurityPrivilege 4196 WMIC.exe Token: SeTakeOwnershipPrivilege 4196 WMIC.exe Token: SeLoadDriverPrivilege 4196 WMIC.exe Token: SeSystemProfilePrivilege 4196 WMIC.exe Token: SeSystemtimePrivilege 4196 WMIC.exe Token: SeProfSingleProcessPrivilege 4196 WMIC.exe Token: SeIncBasePriorityPrivilege 4196 WMIC.exe Token: SeCreatePagefilePrivilege 4196 WMIC.exe Token: SeBackupPrivilege 4196 WMIC.exe Token: SeRestorePrivilege 4196 WMIC.exe Token: SeShutdownPrivilege 4196 WMIC.exe Token: SeDebugPrivilege 4196 WMIC.exe Token: SeSystemEnvironmentPrivilege 4196 WMIC.exe Token: SeRemoteShutdownPrivilege 4196 WMIC.exe Token: SeUndockPrivilege 4196 WMIC.exe Token: SeManageVolumePrivilege 4196 WMIC.exe Token: 33 4196 WMIC.exe Token: 34 4196 WMIC.exe Token: 35 4196 WMIC.exe Token: 36 4196 WMIC.exe Token: SeIncreaseQuotaPrivilege 4196 WMIC.exe Token: SeSecurityPrivilege 4196 WMIC.exe Token: SeTakeOwnershipPrivilege 4196 WMIC.exe Token: SeLoadDriverPrivilege 4196 WMIC.exe Token: SeSystemProfilePrivilege 4196 WMIC.exe Token: SeSystemtimePrivilege 4196 WMIC.exe Token: SeProfSingleProcessPrivilege 4196 WMIC.exe Token: SeIncBasePriorityPrivilege 4196 WMIC.exe Token: SeCreatePagefilePrivilege 4196 WMIC.exe Token: SeBackupPrivilege 4196 WMIC.exe Token: SeRestorePrivilege 4196 WMIC.exe Token: SeShutdownPrivilege 4196 WMIC.exe Token: SeDebugPrivilege 4196 WMIC.exe Token: SeSystemEnvironmentPrivilege 4196 WMIC.exe Token: SeRemoteShutdownPrivilege 4196 WMIC.exe Token: SeUndockPrivilege 4196 WMIC.exe Token: SeManageVolumePrivilege 4196 WMIC.exe Token: 33 4196 WMIC.exe Token: 34 4196 WMIC.exe Token: 35 4196 WMIC.exe Token: 36 4196 WMIC.exe Token: SeIncreaseQuotaPrivilege 3780 WMIC.exe Token: SeSecurityPrivilege 3780 WMIC.exe Token: SeTakeOwnershipPrivilege 3780 WMIC.exe Token: SeLoadDriverPrivilege 3780 WMIC.exe Token: SeSystemProfilePrivilege 3780 WMIC.exe Token: SeSystemtimePrivilege 3780 WMIC.exe Token: SeProfSingleProcessPrivilege 3780 WMIC.exe Token: SeIncBasePriorityPrivilege 3780 WMIC.exe Token: SeCreatePagefilePrivilege 3780 WMIC.exe Token: SeBackupPrivilege 3780 WMIC.exe Token: SeRestorePrivilege 3780 WMIC.exe Token: SeShutdownPrivilege 3780 WMIC.exe Token: SeDebugPrivilege 3780 WMIC.exe Token: SeSystemEnvironmentPrivilege 3780 WMIC.exe Token: SeRemoteShutdownPrivilege 3780 WMIC.exe Token: SeUndockPrivilege 3780 WMIC.exe Token: SeManageVolumePrivilege 3780 WMIC.exe Token: 33 3780 WMIC.exe Token: 34 3780 WMIC.exe Token: 35 3780 WMIC.exe Token: 36 3780 WMIC.exe Token: SeIncreaseQuotaPrivilege 3780 WMIC.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 3740 wrote to memory of 940 3740 java.exe 84 PID 3740 wrote to memory of 940 3740 java.exe 84 PID 3740 wrote to memory of 1020 3740 java.exe 95 PID 3740 wrote to memory of 1020 3740 java.exe 95 PID 860 wrote to memory of 4936 860 cmd.exe 101 PID 860 wrote to memory of 4936 860 cmd.exe 101 PID 888 wrote to memory of 208 888 java.exe 102 PID 888 wrote to memory of 208 888 java.exe 102 PID 208 wrote to memory of 4196 208 cmd.exe 104 PID 208 wrote to memory of 4196 208 cmd.exe 104 PID 888 wrote to memory of 4068 888 java.exe 105 PID 888 wrote to memory of 4068 888 java.exe 105 PID 4068 wrote to memory of 3780 4068 cmd.exe 107 PID 4068 wrote to memory of 3780 4068 cmd.exe 107 PID 888 wrote to memory of 4620 888 java.exe 108 PID 888 wrote to memory of 4620 888 java.exe 108 PID 4620 wrote to memory of 4064 4620 cmd.exe 110 PID 4620 wrote to memory of 4064 4620 cmd.exe 110 PID 888 wrote to memory of 4340 888 java.exe 111 PID 888 wrote to memory of 4340 888 java.exe 111 PID 4340 wrote to memory of 4308 4340 cmd.exe 113 PID 4340 wrote to memory of 4308 4340 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\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3740 -
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:940
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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\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"2⤵PID:1020
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C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"4⤵
- Creates scheduled task(s)
PID:4936
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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\bfe411390080caf69cf1df6704660b295f9a97998f921dd7ab4cdded6e318d9f.jar"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:888 -
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:208 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:4196
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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:4068 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list5⤵
- Suspicious use of AdjustPrivilegeToken
PID:3780
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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:4620 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list5⤵PID:4064
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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:4340 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list5⤵PID:4308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5a6438ad4c8360d4540aed7698cab36a6
SHA159b0313046faa157bac7077c0f408c1a578338cf
SHA256e9f31275bbf7f05aa689aeb0618999aa008682724044d5a3d22126158837c003
SHA512b696d2129ff62d1af0ed01cd3494c79ef9fa9cfbde76546a854977cfa17ccafab9cdbab7e04cde3eda22ac2880e7bb4a5a592a8ed816ddf759c55f0ef50d3ad9
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd