Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:46
Static task
static1
Behavioral task
behavioral1
Sample
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe
Resource
win10v2004-20240426-en
General
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Target
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe
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Size
4.1MB
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MD5
ff8b66a413ace55ad3d9f97f144b8ada
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SHA1
046fde25db40e93d5ccd1111fc0bccb949a917aa
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SHA256
f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c
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SHA512
470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0V:YLmIkbquibpii2yAk4+2fEKmbS
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2948-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2948-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2948-78-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/396-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/560-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2148 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 560 csrss.exe 1340 injector.exe 468 windefender.exe 2620 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a9b1-207.dat upx behavioral2/memory/468-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/468-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2620-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive 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 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 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 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1424 sc.exe -
pid Process 1276 powershell.exe 852 powershell.exe 3140 powershell.exe 764 powershell.exe 4844 powershell.exe 4716 powershell.exe 888 powershell.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 5036 schtasks.exe 3544 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.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\trust\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\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 764 powershell.exe 764 powershell.exe 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 4844 powershell.exe 4844 powershell.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 4716 powershell.exe 4716 powershell.exe 888 powershell.exe 888 powershell.exe 1276 powershell.exe 1276 powershell.exe 852 powershell.exe 852 powershell.exe 3140 powershell.exe 3140 powershell.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 560 csrss.exe 560 csrss.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 560 csrss.exe 560 csrss.exe 1340 injector.exe 1340 injector.exe 560 csrss.exe 560 csrss.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe 1340 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Token: SeImpersonatePrivilege 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 888 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 852 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeSystemEnvironmentPrivilege 560 csrss.exe Token: SeSecurityPrivilege 1424 sc.exe Token: SeSecurityPrivilege 1424 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2948 wrote to memory of 764 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 81 PID 2948 wrote to memory of 764 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 81 PID 2948 wrote to memory of 764 2948 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 81 PID 396 wrote to memory of 4844 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 396 wrote to memory of 4844 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 396 wrote to memory of 4844 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 86 PID 396 wrote to memory of 4796 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 88 PID 396 wrote to memory of 4796 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 88 PID 4796 wrote to memory of 2148 4796 cmd.exe 90 PID 4796 wrote to memory of 2148 4796 cmd.exe 90 PID 396 wrote to memory of 4716 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 91 PID 396 wrote to memory of 4716 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 91 PID 396 wrote to memory of 4716 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 91 PID 396 wrote to memory of 888 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 93 PID 396 wrote to memory of 888 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 93 PID 396 wrote to memory of 888 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 93 PID 396 wrote to memory of 560 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 95 PID 396 wrote to memory of 560 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 95 PID 396 wrote to memory of 560 396 f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe 95 PID 560 wrote to memory of 1276 560 csrss.exe 96 PID 560 wrote to memory of 1276 560 csrss.exe 96 PID 560 wrote to memory of 1276 560 csrss.exe 96 PID 560 wrote to memory of 852 560 csrss.exe 102 PID 560 wrote to memory of 852 560 csrss.exe 102 PID 560 wrote to memory of 852 560 csrss.exe 102 PID 560 wrote to memory of 3140 560 csrss.exe 104 PID 560 wrote to memory of 3140 560 csrss.exe 104 PID 560 wrote to memory of 3140 560 csrss.exe 104 PID 560 wrote to memory of 1340 560 csrss.exe 106 PID 560 wrote to memory of 1340 560 csrss.exe 106 PID 468 wrote to memory of 1624 468 windefender.exe 118 PID 468 wrote to memory of 1624 468 windefender.exe 118 PID 468 wrote to memory of 1624 468 windefender.exe 118 PID 1624 wrote to memory of 1424 1624 cmd.exe 119 PID 1624 wrote to memory of 1424 1624 cmd.exe 119 PID 1624 wrote to memory of 1424 1624 cmd.exe 119 -
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\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764
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C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.exe"C:\Users\Admin\AppData\Local\Temp\f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c.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:396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844
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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:4796 -
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:2148
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4716
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:888
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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:560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276
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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:5036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3112
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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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:1340
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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:3544
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:468 -
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:1624 -
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:1424
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2620
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5c1d081452b0587def7871d17115f33
SHA109fed089e4b9c8b81e7a99e80daffbb5e10c89ec
SHA2567965db7d549b3ee9eca47ea386bfab885333f8d7e46a4f469764278dfee48a70
SHA5122b935c6d2629d9185158b7851b6393eb544ef071378c863610d0b00b4818576e020c301a647661746abfe896e2d2a89f8eda028c350f17e8fe812b0dcd05efe0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5699775829be2067af743068d6a4388a8
SHA1906da67fb1ea932cf800df80cd8ea4305d6e235c
SHA256e90701b773bc8b11477393bfb827e0a5bc313b24a8f94218eaa90e2e16ed0ca0
SHA5126d8839c6cb271a0f7b64bf0beee15ed45ce32c3d3e6f11d7fbde8eaa9f7fe8ec8251b08d8f07fa1bb3926e5fc10b702d7d3a3f6b4195fc23f4a5a0fa0343d754
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591a9066e4cbf18b3ed6206ae4476ceb7
SHA1b5fa36989d52755fa0cab6c1d3c3dd755e587272
SHA2562ee038e98ab03aff6ddb65878b4e7390048efb9af824b0ba4e1f4101fcaf601e
SHA512c67a274cd9b23110105505cc2199de5647c4841c008c0be23e13478d1f0230be1e96f314108f565d156a04608ec271a0f0006d2e32a0e1b91c06830d714b04e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bca4b0a38297e0a3f7dee86fe202122
SHA1fa4b6cdc52bb6c238aae3953b527f1ba0224f69d
SHA2566dece8700219e227c4a7e1e76f92914fa92a56077e1c5c8b061e5aafa04e8f62
SHA5121f1b79f87002c8800dde24c9a7da3cf230e102355069ad3392685e14211a88087bc20279dba9730e231f30c76bd572e0154d69d4861761273d2c84221e2cfce3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d8ca7be197cce864334b7739505c6c1
SHA1fed17c02d518ed38087241f00c694dabdb5e5de2
SHA256568a57fd245318bd8f19f76f4ada9d914709602a3fee4e12ea0a32df0fc30e15
SHA512a4bbd5521c3b51b8ad671940499d69dc063f0f1c352a8b1ac63e61e6476b059f0b6092753062610229866d71625329202f44ee10f913ba6aa6d5145c3f678232
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Filesize
4.1MB
MD5ff8b66a413ace55ad3d9f97f144b8ada
SHA1046fde25db40e93d5ccd1111fc0bccb949a917aa
SHA256f1403cd7eb017057eef75f5541d9061b74d26bc0750d42d6a1f2c6af7198f09c
SHA512470353088f9a21a8774908ffe3e6537a6ab889567edf5603711ca24838235169d442232abe46c6ac94162b8845b72fe50b9a0bec523bd684965512da799adc92
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec