Analysis
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max time kernel
182s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 17:45
Static task
static1
Behavioral task
behavioral1
Sample
4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe
Resource
win10v2004-20240226-en
General
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Target
4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe
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Size
4.1MB
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MD5
26d7d6f179a5a619a78529366f519304
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SHA1
b27899e55ffe3a800ea4483346ebec442511ca4f
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SHA256
4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345
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SHA512
15b3a0948acacc333f92bf8d31528c4c9140e2b70beaf59627bbfd96415ad9b4a876ed82a33ac2e166971d03c05cc6b66723a76bd4a0d2983446d6a5da0cff26
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SSDEEP
98304:LH5J7CzszSbiwn7GrcYbqmT2oxXGbns7pL8WqJWTgfc:1MU4iw7Yx2bns7pLfTgfc
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/1620-2-0x0000000005200000-0x0000000005AEB000-memory.dmp family_glupteba behavioral1/memory/1620-3-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1620-8-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1620-26-0x0000000005200000-0x0000000005AEB000-memory.dmp family_glupteba behavioral1/memory/1620-48-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1620-60-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1620-62-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-65-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-66-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-98-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-112-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-128-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4128-163-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4240-172-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4240-230-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/4240-267-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1792 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4240 csrss.exe 316 injector.exe 4556 windefender.exe 4372 windefender.exe -
resource yara_rule behavioral1/files/0x00050000000162b2-271.dat upx behavioral1/memory/4556-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe File created C:\Windows\rss\csrss.exe 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3052 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1624 schtasks.exe 4948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 4880 powershell.exe 4880 powershell.exe 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4444 powershell.exe 4444 powershell.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 4424 powershell.exe 4424 powershell.exe 4556 powershell.exe 4556 powershell.exe 956 powershell.exe 956 powershell.exe 3228 powershell.exe 3228 powershell.exe 2724 powershell.exe 2724 powershell.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 4240 csrss.exe 4240 csrss.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 316 injector.exe 4240 csrss.exe 4240 csrss.exe 316 injector.exe 316 injector.exe 4240 csrss.exe 4240 csrss.exe 316 injector.exe 316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Token: SeImpersonatePrivilege 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 2724 powershell.exe Token: SeSystemEnvironmentPrivilege 4240 csrss.exe Token: SeSecurityPrivilege 3052 sc.exe Token: SeSecurityPrivilege 3052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1620 wrote to memory of 4880 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 91 PID 1620 wrote to memory of 4880 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 91 PID 1620 wrote to memory of 4880 1620 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 91 PID 4128 wrote to memory of 4444 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 101 PID 4128 wrote to memory of 4444 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 101 PID 4128 wrote to memory of 4444 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 101 PID 4128 wrote to memory of 4940 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 103 PID 4128 wrote to memory of 4940 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 103 PID 4940 wrote to memory of 1792 4940 cmd.exe 105 PID 4940 wrote to memory of 1792 4940 cmd.exe 105 PID 4128 wrote to memory of 4424 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 106 PID 4128 wrote to memory of 4424 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 106 PID 4128 wrote to memory of 4424 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 106 PID 4128 wrote to memory of 4556 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 108 PID 4128 wrote to memory of 4556 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 108 PID 4128 wrote to memory of 4556 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 108 PID 4128 wrote to memory of 4240 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 110 PID 4128 wrote to memory of 4240 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 110 PID 4128 wrote to memory of 4240 4128 4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe 110 PID 4240 wrote to memory of 956 4240 csrss.exe 111 PID 4240 wrote to memory of 956 4240 csrss.exe 111 PID 4240 wrote to memory of 956 4240 csrss.exe 111 PID 4240 wrote to memory of 3228 4240 csrss.exe 117 PID 4240 wrote to memory of 3228 4240 csrss.exe 117 PID 4240 wrote to memory of 3228 4240 csrss.exe 117 PID 4240 wrote to memory of 2724 4240 csrss.exe 119 PID 4240 wrote to memory of 2724 4240 csrss.exe 119 PID 4240 wrote to memory of 2724 4240 csrss.exe 119 PID 4240 wrote to memory of 316 4240 csrss.exe 121 PID 4240 wrote to memory of 316 4240 csrss.exe 121 PID 4556 wrote to memory of 4284 4556 windefender.exe 127 PID 4556 wrote to memory of 4284 4556 windefender.exe 127 PID 4556 wrote to memory of 4284 4556 windefender.exe 127 PID 4284 wrote to memory of 3052 4284 cmd.exe 128 PID 4284 wrote to memory of 3052 4284 cmd.exe 128 PID 4284 wrote to memory of 3052 4284 cmd.exe 128 -
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:\Users\Admin\AppData\Local\Temp\4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe"C:\Users\Admin\AppData\Local\Temp\4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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C:\Users\Admin\AppData\Local\Temp\4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe"C:\Users\Admin\AppData\Local\Temp\4f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1792
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:4372
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52aacb4c97807ec5acc8a78871fbf55d8
SHA1c9ca110b4d579fc105b6934461d6e7ed5bbafebd
SHA2563d89571246e1fe70114f5c781ccef7a330b835182a3a225522b16b9bc8ebc1c7
SHA5128b7ef09568d83447f5293709c6e6f491ccda827d3c6da3b62b09a07341bb304091adc9731aa9aec82b70210745e88975a15ea4996ba2804df7c3ce82f859d115
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a91981fa9a667963c6cd8b12509f6de9
SHA10d3f91bbb1bf5f03c133ad0709bef2afa1172b01
SHA256d00ef114e614e13ebf41c2f1310f8e10ba28d03432488d9c8c03de43cb6dda8f
SHA512f8ff2e65069fd46af9ad864f8df1efa38dcde4a4790ef2e85f095a2667e222f2352298115c1425f5c0a493a519667d7f820055094c8596b9824633d0cb8b886e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50859f3946fea905aadba535b34b1168b
SHA1179489a96c6508558ba9d712ca699b6caecc77d3
SHA2569f957834b3edd2df544b160d2a62ab9b2fea22e72c80bad51fc0270df52a2adc
SHA51218fb962f6739707c604f675189c71dc253cb3fba645b5c93c51799b74311406a734e73675e4c41ee5950a74d01ade8321c479181c5256d2dcd02b0b763a5c04f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599845185477f90de8d1e7766f621461b
SHA1b2ff7537aa0f9e9f79fe62ac059a57c7470d7983
SHA256aba8f899812590dc72b375d981884207df5ccd4ef4a0936081c38a5742aaca2d
SHA51248a9d3891e3e937a7cdc650eb284c29a2c80013c7a3714db8ec4bfb22486ba7ac38b46e29cd69083d1792bc39bfc2e274b2cd0c08f4c5ae1a1274b831e4cfdd6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea2fb27c9c4594996970aeb3a7e2d53b
SHA1aee9c823f8a4d1c667a11dd36dd5cb21c8f7904c
SHA25691a1b04c0844a047c582214afced63300328ea469538dd3eb0da2221588fec10
SHA512810c1417d2199510ad944d7d330ac93d97f6866ef8bef3720c9c2b267eb12dd99d79af2c266808e93876fcf60f9b2cbe98ce700f11a90feda25f297e3039cdcd
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Filesize
4.1MB
MD526d7d6f179a5a619a78529366f519304
SHA1b27899e55ffe3a800ea4483346ebec442511ca4f
SHA2564f71666e37910508ae2424fd7964a985627d2cb9ab36bfc8e671f4677b636345
SHA51215b3a0948acacc333f92bf8d31528c4c9140e2b70beaf59627bbfd96415ad9b4a876ed82a33ac2e166971d03c05cc6b66723a76bd4a0d2983446d6a5da0cff26
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec