Analysis
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max time kernel
131s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 01:14
Static task
static1
Behavioral task
behavioral1
Sample
45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe
Resource
win10v2004-20240802-en
General
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Target
45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe
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Size
240KB
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MD5
47363b94cee907e2b8926c1be61150c7
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SHA1
ca963033b9a285b8cd0044df38146a932c838071
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SHA256
45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d
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SHA512
93dfaafc183360829448887a112dd49c90ec5fe50dcd7c7bbc06c1c8daa206eeea5577f726d906446322c731d0520e93700d5ff9cefd730fba347c72b7325068
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SSDEEP
3072:xkeyloECBch6ZCGBGSmHJ0y5lj6jdojK7+MGOXpXx8z3Lp7Yoq:xGlnCIwMpj6ijKfxx8z3F0V
Malware Config
Signatures
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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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\817c058e.exe explorer.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*17c058e = "C:\\Users\\Admin\\AppData\\Roaming\\817c058e.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\817c058 = "C:\\817c058e\\817c058e.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*17c058 = "C:\\817c058e\\817c058e.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\817c058e = "C:\\Users\\Admin\\AppData\\Roaming\\817c058e.exe" explorer.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ip-addr.es 5 myexternalip.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2084 set thread context of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vssadmin.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2832 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2180 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 2668 explorer.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: 33 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe Token: SeIncBasePriorityPrivilege 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe Token: SeBackupPrivilege 2964 vssvc.exe Token: SeRestorePrivilege 2964 vssvc.exe Token: SeAuditPrivilege 2964 vssvc.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2084 wrote to memory of 2180 2084 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 30 PID 2180 wrote to memory of 2668 2180 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 31 PID 2180 wrote to memory of 2668 2180 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 31 PID 2180 wrote to memory of 2668 2180 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 31 PID 2180 wrote to memory of 2668 2180 45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe 31 PID 2668 wrote to memory of 2756 2668 explorer.exe 32 PID 2668 wrote to memory of 2756 2668 explorer.exe 32 PID 2668 wrote to memory of 2756 2668 explorer.exe 32 PID 2668 wrote to memory of 2756 2668 explorer.exe 32 PID 2668 wrote to memory of 2832 2668 explorer.exe 33 PID 2668 wrote to memory of 2832 2668 explorer.exe 33 PID 2668 wrote to memory of 2832 2668 explorer.exe 33 PID 2668 wrote to memory of 2832 2668 explorer.exe 33 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe"C:\Users\Admin\AppData\Local\Temp\45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe"C:\Users\Admin\AppData\Local\Temp\45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\syswow64\explorer.exe"C:\Windows\syswow64\explorer.exe"3⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\syswow64\svchost.exe-k netsvcs4⤵
- System Location Discovery: System Language Discovery
PID:2756
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C:\Windows\syswow64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet4⤵
- System Location Discovery: System Language Discovery
- Interacts with shadow copies
PID:2832
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2964