Analysis
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max time kernel
155s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 04:51
Static task
static1
Behavioral task
behavioral1
Sample
fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe
Resource
win7-20230831-en
General
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Target
fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe
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Size
4.1MB
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MD5
2cbf82a78b032c46777234d43551dbce
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SHA1
e4e8940a30dad51bca6e530ef0b8e225dac19518
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SHA256
fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867
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SHA512
e831d4679c167b28ac7c5b710abe7d1dc7b13ff28e93b16a54f3c3a820203ae347e811bdc2d95ee66c00cb50b3ac3d1a7066f227887e92881099ceb169388531
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SSDEEP
98304:8AYcZ21kScDeAf1MC8m272gRJ4ynQSpjMEX273nti9PnR0vlAkb3j3:nYH1QDeAtsX72gvcDE4n8PRuBv
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2536-1-0x0000000003080000-0x000000000396B000-memory.dmp family_glupteba behavioral2/memory/2536-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2536-21-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2536-26-0x0000000003080000-0x000000000396B000-memory.dmp family_glupteba behavioral2/memory/2536-33-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2536-50-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2536-63-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4216-65-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4216-95-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4216-101-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4216-145-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4216-171-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-291-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-295-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-303-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1324-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4472 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1324 csrss.exe 1540 injector.exe 4240 windefender.exe 3180 windefender.exe 372 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral2/files/0x00070000000233b3-279.dat upx behavioral2/files/0x00070000000233b3-281.dat upx behavioral2/files/0x00070000000233b3-284.dat upx behavioral2/memory/4240-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3180-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3180-300-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000b000000023192-302.dat upx behavioral2/files/0x000b000000023192-305.dat upx behavioral2/memory/3180-306-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000\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 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 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 -
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 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe File created C:\Windows\rss\csrss.exe fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2948 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 4588 schtasks.exe 3944 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.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\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4200 powershell.exe 4200 powershell.exe 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4656 powershell.exe 4656 powershell.exe 4656 powershell.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 4440 powershell.exe 4440 powershell.exe 4440 powershell.exe 3712 powershell.exe 3712 powershell.exe 3712 powershell.exe 1028 powershell.exe 1028 powershell.exe 3192 powershell.exe 3192 powershell.exe 3192 powershell.exe 1888 powershell.exe 1888 powershell.exe 1888 powershell.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1324 csrss.exe 1324 csrss.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1324 csrss.exe 1324 csrss.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1540 injector.exe 1324 csrss.exe 1324 csrss.exe 1540 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Token: SeImpersonatePrivilege 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeDebugPrivilege 3192 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeSystemEnvironmentPrivilege 1324 csrss.exe Token: SeSecurityPrivilege 2948 sc.exe Token: SeSecurityPrivilege 2948 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2536 wrote to memory of 4200 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 91 PID 2536 wrote to memory of 4200 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 91 PID 2536 wrote to memory of 4200 2536 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 91 PID 4216 wrote to memory of 4656 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 102 PID 4216 wrote to memory of 4656 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 102 PID 4216 wrote to memory of 4656 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 102 PID 4216 wrote to memory of 328 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 104 PID 4216 wrote to memory of 328 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 104 PID 328 wrote to memory of 4472 328 cmd.exe 106 PID 328 wrote to memory of 4472 328 cmd.exe 106 PID 4216 wrote to memory of 4440 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 107 PID 4216 wrote to memory of 4440 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 107 PID 4216 wrote to memory of 4440 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 107 PID 4216 wrote to memory of 3712 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 109 PID 4216 wrote to memory of 3712 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 109 PID 4216 wrote to memory of 3712 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 109 PID 4216 wrote to memory of 1324 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 112 PID 4216 wrote to memory of 1324 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 112 PID 4216 wrote to memory of 1324 4216 fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe 112 PID 1324 wrote to memory of 1028 1324 csrss.exe 113 PID 1324 wrote to memory of 1028 1324 csrss.exe 113 PID 1324 wrote to memory of 1028 1324 csrss.exe 113 PID 1324 wrote to memory of 3192 1324 csrss.exe 118 PID 1324 wrote to memory of 3192 1324 csrss.exe 118 PID 1324 wrote to memory of 3192 1324 csrss.exe 118 PID 1324 wrote to memory of 1888 1324 csrss.exe 121 PID 1324 wrote to memory of 1888 1324 csrss.exe 121 PID 1324 wrote to memory of 1888 1324 csrss.exe 121 PID 1324 wrote to memory of 1540 1324 csrss.exe 123 PID 1324 wrote to memory of 1540 1324 csrss.exe 123 PID 4240 wrote to memory of 4312 4240 windefender.exe 130 PID 4240 wrote to memory of 4312 4240 windefender.exe 130 PID 4240 wrote to memory of 4312 4240 windefender.exe 130 PID 4312 wrote to memory of 2948 4312 cmd.exe 131 PID 4312 wrote to memory of 2948 4312 cmd.exe 131 PID 4312 wrote to memory of 2948 4312 cmd.exe 131 PID 1324 wrote to memory of 372 1324 csrss.exe 138 PID 1324 wrote to memory of 372 1324 csrss.exe 138 PID 1324 wrote to memory of 372 1324 csrss.exe 138 -
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\fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe"C:\Users\Admin\AppData\Local\Temp\fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4200
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C:\Users\Admin\AppData\Local\Temp\fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.exe"C:\Users\Admin\AppData\Local\Temp\fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867.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:4216 -
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:4656
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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:328 -
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:4472
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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:4440
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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:3712
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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:1324 -
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:1028
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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:4588
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5112
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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:3192
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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:1888
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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:1540
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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:3944
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4240 -
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:4312 -
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:2948
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:372 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:4748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3180
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502731f829111429811528bc91eb7db63
SHA1be4feba87db3f53abf0777a7a2dd2b0c45c919cf
SHA256646442aad7ae8948d3eea08e1e28ff709b6b1cc46e0b20967d2f821a6d795df8
SHA512ab1f66c2135c08a2726da8bde60ba6cf2ac10ae8c3a245c34c41fff123f1efccf23e9b004684f8c4447f73f25dabec60bfb61b8149a72bc5405d2521b793adca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c08aeb85b88b04e4bb6122bb3f8a4ab
SHA1f0c3399158c453807be5a80a7fe784c68b86185b
SHA25604ce8b778658c4153d6881d7f8bd175ef58124484937a219de244df327605b6c
SHA5127588115882b8c6fb6ef8cf7c9799450dd42a8ce9986dd4df60e0feabac4fdce0e33c18cc75fbc6c303912096e02ff2865a3073abeca247a371d7325eb0b8863f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc571d0dacf9e753a1777fb3fbeb4dd9
SHA1c0cc4e55847b08c8257580ca61832cc8d0181c3a
SHA2563ae13adad6cf9ed6026d336c10bc1224b96cc42ded66ecbce360367fcf78025f
SHA51281e6cca079718e9fe49a20a9e918a731dcae8a173c79824ac531ea089b83bbe60a9d7618357914d73724fbf641839579cff351a0027681dca2b283455bd4fe4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c520ada277c6e0061a265dd8b71c09f
SHA1a08bd9be1bad57742fcefb5bc3373c30b9f792bd
SHA2560d535a08e85494c2f1db0a558e04aaabeb25b60634eeef54ce94a31c577683e7
SHA512c80d4ddf820ec2d22eafedb7c885ef87dbac6fb71b88c5be25c2e991ab454a370a4d453afa12e1acea65978eda9b05aa5de02347437a9196cd677293dfc40ea7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f20b3e69939e837b40ee2d829c6e3388
SHA13252bc41e7368169a048a2c647049b253ceee2a0
SHA2564778baa0a562e2c5155f9a35fbca4d869a7c207b33e39bb844180674ac69984f
SHA512e535c886187e3b3faa0dce8c7ca6396863777527c08a0f3867eb673e7779007353364528d7b7bcc127bc92d86e296d2ae17097079c460179e77564065a857651
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Filesize
4.1MB
MD52cbf82a78b032c46777234d43551dbce
SHA1e4e8940a30dad51bca6e530ef0b8e225dac19518
SHA256fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867
SHA512e831d4679c167b28ac7c5b710abe7d1dc7b13ff28e93b16a54f3c3a820203ae347e811bdc2d95ee66c00cb50b3ac3d1a7066f227887e92881099ceb169388531
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Filesize
4.1MB
MD52cbf82a78b032c46777234d43551dbce
SHA1e4e8940a30dad51bca6e530ef0b8e225dac19518
SHA256fd832c24012d5ef5d6f20059d5b08e822a5599d0cf217ced8aed148f4810f867
SHA512e831d4679c167b28ac7c5b710abe7d1dc7b13ff28e93b16a54f3c3a820203ae347e811bdc2d95ee66c00cb50b3ac3d1a7066f227887e92881099ceb169388531
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec