Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe
Resource
win10v2004-20240508-en
General
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Target
92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe
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Size
4.1MB
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MD5
8dec2f8b9817e535df389060bc389c84
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SHA1
d5723b50c729febdb3d2f247edb2168461ef5758
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SHA256
92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0
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SHA512
3eb31b010962a22bf1238c12e8b47655e6e1a15213ad840d1e2c280e7872e895758a7089aa679fc4101d464450f81d1eb1d3a14066a69045d1255721a282211d
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SSDEEP
98304:vQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3BK:3K95KswtE0pG4BK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2336-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/2336-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-88-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/2336-87-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2336-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2460-145-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-253-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4636-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3672 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4636 csrss.exe 3988 injector.exe 1968 windefender.exe 4984 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9dd-204.dat upx behavioral2/memory/1968-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1968-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe File created C:\Windows\rss\csrss.exe 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.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 2912 sc.exe -
pid Process 1252 powershell.exe 1604 powershell.exe 2468 powershell.exe 5056 powershell.exe 3804 powershell.exe 2752 powershell.exe 1400 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 4940 schtasks.exe 1820 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.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\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight 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" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1604 powershell.exe 1604 powershell.exe 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2468 powershell.exe 2468 powershell.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 5056 powershell.exe 5056 powershell.exe 3804 powershell.exe 3804 powershell.exe 2752 powershell.exe 2752 powershell.exe 1400 powershell.exe 1400 powershell.exe 1252 powershell.exe 1252 powershell.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 4636 csrss.exe 4636 csrss.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 4636 csrss.exe 4636 csrss.exe 3988 injector.exe 3988 injector.exe 4636 csrss.exe 4636 csrss.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe 3988 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1604 powershell.exe Token: SeDebugPrivilege 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Token: SeImpersonatePrivilege 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3804 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 1252 powershell.exe Token: SeSystemEnvironmentPrivilege 4636 csrss.exe Token: SeSecurityPrivilege 2912 sc.exe Token: SeSecurityPrivilege 2912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2336 wrote to memory of 1604 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 82 PID 2336 wrote to memory of 1604 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 82 PID 2336 wrote to memory of 1604 2336 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 82 PID 2460 wrote to memory of 2468 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 88 PID 2460 wrote to memory of 2468 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 88 PID 2460 wrote to memory of 2468 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 88 PID 2460 wrote to memory of 1236 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 90 PID 2460 wrote to memory of 1236 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 90 PID 1236 wrote to memory of 3672 1236 cmd.exe 92 PID 1236 wrote to memory of 3672 1236 cmd.exe 92 PID 2460 wrote to memory of 5056 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 93 PID 2460 wrote to memory of 5056 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 93 PID 2460 wrote to memory of 5056 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 93 PID 2460 wrote to memory of 3804 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 95 PID 2460 wrote to memory of 3804 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 95 PID 2460 wrote to memory of 3804 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 95 PID 2460 wrote to memory of 4636 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 97 PID 2460 wrote to memory of 4636 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 97 PID 2460 wrote to memory of 4636 2460 92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe 97 PID 4636 wrote to memory of 2752 4636 csrss.exe 98 PID 4636 wrote to memory of 2752 4636 csrss.exe 98 PID 4636 wrote to memory of 2752 4636 csrss.exe 98 PID 4636 wrote to memory of 1400 4636 csrss.exe 103 PID 4636 wrote to memory of 1400 4636 csrss.exe 103 PID 4636 wrote to memory of 1400 4636 csrss.exe 103 PID 4636 wrote to memory of 1252 4636 csrss.exe 106 PID 4636 wrote to memory of 1252 4636 csrss.exe 106 PID 4636 wrote to memory of 1252 4636 csrss.exe 106 PID 4636 wrote to memory of 3988 4636 csrss.exe 108 PID 4636 wrote to memory of 3988 4636 csrss.exe 108 PID 1968 wrote to memory of 1888 1968 windefender.exe 114 PID 1968 wrote to memory of 1888 1968 windefender.exe 114 PID 1968 wrote to memory of 1888 1968 windefender.exe 114 PID 1888 wrote to memory of 2912 1888 cmd.exe 115 PID 1888 wrote to memory of 2912 1888 cmd.exe 115 PID 1888 wrote to memory of 2912 1888 cmd.exe 115 -
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\92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe"C:\Users\Admin\AppData\Local\Temp\92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
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C:\Users\Admin\AppData\Local\Temp\92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.exe"C:\Users\Admin\AppData\Local\Temp\92afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0.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:2460 -
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:2468
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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:1236 -
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:3672
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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:5056
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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:3804
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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:4636 -
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:2752
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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:4940
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5088
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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:1400
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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:1252
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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:3988
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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:1820
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1968 -
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:1888 -
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:2912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4984
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ddee4b76a8354cb51d95ebf03ab644f
SHA1abb7fb62178bd92fea35b6dac6f113c86d214184
SHA2561063d79e7fa0c3b5749b08359e7702820a6be8c9c02fd50c8e61f3667ff834af
SHA512d3c11f8e282e90aff1235889241d463810b8c215771a010df18855b8c7a91dfaf1731df7c53e3bbd0192ce0761fc7e7de06439b4ed7a29633214bcd72196b167
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af09e0ef2e455e8e9757345c9dd5b1b4
SHA157d551c923a0b4585e187755bc2f3c108980ff9c
SHA25643b7a377088096abab7deac183b3a6c899db27a283248e3d951eb8dd01f8aebf
SHA512199950dc5d3ea9bbdb0ccde50f9e03da60633eb1168daf2f77c447c516753ae06327c9d18df3f5f370bfba69a205b94ab22c5bc115e510c32bd7769b0216254d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6e83eae08acce927d35f7d18e23ca7a
SHA1ad831a21413d088e9ebb34aca6086bb7e2c06fd1
SHA256d44aa4f353c0682bfc45ebbf383cde32ac2b2751e27c4ad6bb675b3de778e7fb
SHA51273cec492d55c6d604d29595628014340ebd0afc626fdfdd6d906c3580f3873f049a17cdd61310703ba4c2b42536fcd01e45abfe37685d3526b0635a495d64d24
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e4249293db32d57c94f94f4df44c544
SHA144677074b30077fc93916139ef655c535f21bc06
SHA256e008b2370c39028b090526b7bf2192912defcb622fb25a3d88ff063c1f6b84c9
SHA5127e5daa2e6a2fa7fd1d7a0de562cdc60406ca6925e0b1559e249406c495b1a45db7893332bc7bf9bea964155693b9ad134156d6c9953d7934e778f63de6f85ebe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586b29622582dc6c6c5ccaf6aa58ba58e
SHA1376145e9b635b7afb7a790418c5d848cb9a50c5e
SHA256465768c69d6f4e2da9836878bec7761c7216815937a198876ff6ffef28b6f805
SHA512797b8b5ac319659ad668f9f9c16b285744880f54a75d71459bde1755cab6a1467b31ac04ddca276f85bcb1bb4f5ea962aa7e414b66e5a679145ff3f18252c0b5
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Filesize
4.1MB
MD58dec2f8b9817e535df389060bc389c84
SHA1d5723b50c729febdb3d2f247edb2168461ef5758
SHA25692afbda476b95416a58d880386fe8cfcc487d4cd6fce9aa91ae5c48c60efe9b0
SHA5123eb31b010962a22bf1238c12e8b47655e6e1a15213ad840d1e2c280e7872e895758a7089aa679fc4101d464450f81d1eb1d3a14066a69045d1255721a282211d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec