Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe
Resource
win10v2004-20240508-en
General
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Target
cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe
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Size
4.1MB
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MD5
91dcdd30c1c7ba1784f4bdd3a46871fe
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SHA1
1fc281f89d29a20dc81d7bebc7d40f5ddd214f9c
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SHA256
cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360
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SHA512
164bded9979143554c3221c4d29f00649c6db8ed752c0b6c17258f5afec5dd692bc638616bd6d2034cacd902cb232d78e7ed43b0833ccbfb20e426638084af53
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SSDEEP
98304:XQRIh4uLuEEVqS5oryfPYtPRvG0pG4X3B2:/K95KswtE0pG4B2
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2740-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/2740-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2740-93-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3476-132-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2740-136-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/2740-185-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2720-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2720-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4012 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2720 csrss.exe 1676 injector.exe 1216 windefender.exe 2496 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002340c-221.dat upx behavioral1/memory/1216-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1216-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe File created C:\Windows\rss\csrss.exe cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.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 4972 sc.exe -
pid Process 3084 powershell.exe 5056 powershell.exe 892 powershell.exe 4108 powershell.exe 2580 powershell.exe 4428 powershell.exe 3764 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 232 schtasks.exe 652 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific 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,-671 = "AUS Eastern Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-11 = "Azores Daylight 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\@tzres.dll,-2871 = "Magallanes Daylight 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\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3764 powershell.exe 3764 powershell.exe 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3084 powershell.exe 3084 powershell.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 5056 powershell.exe 5056 powershell.exe 892 powershell.exe 892 powershell.exe 4108 powershell.exe 4108 powershell.exe 2580 powershell.exe 2580 powershell.exe 4428 powershell.exe 4428 powershell.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 2720 csrss.exe 2720 csrss.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 2720 csrss.exe 2720 csrss.exe 1676 injector.exe 1676 injector.exe 2720 csrss.exe 2720 csrss.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe 1676 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Token: SeImpersonatePrivilege 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 892 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeSystemEnvironmentPrivilege 2720 csrss.exe Token: SeSecurityPrivilege 4972 sc.exe Token: SeSecurityPrivilege 4972 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2740 wrote to memory of 3764 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 85 PID 2740 wrote to memory of 3764 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 85 PID 2740 wrote to memory of 3764 2740 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 85 PID 3476 wrote to memory of 3084 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 96 PID 3476 wrote to memory of 3084 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 96 PID 3476 wrote to memory of 3084 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 96 PID 3476 wrote to memory of 2168 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 99 PID 3476 wrote to memory of 2168 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 99 PID 2168 wrote to memory of 4012 2168 cmd.exe 101 PID 2168 wrote to memory of 4012 2168 cmd.exe 101 PID 3476 wrote to memory of 5056 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 103 PID 3476 wrote to memory of 5056 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 103 PID 3476 wrote to memory of 5056 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 103 PID 3476 wrote to memory of 892 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 106 PID 3476 wrote to memory of 892 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 106 PID 3476 wrote to memory of 892 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 106 PID 3476 wrote to memory of 2720 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 108 PID 3476 wrote to memory of 2720 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 108 PID 3476 wrote to memory of 2720 3476 cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe 108 PID 2720 wrote to memory of 4108 2720 csrss.exe 109 PID 2720 wrote to memory of 4108 2720 csrss.exe 109 PID 2720 wrote to memory of 4108 2720 csrss.exe 109 PID 2720 wrote to memory of 2580 2720 csrss.exe 114 PID 2720 wrote to memory of 2580 2720 csrss.exe 114 PID 2720 wrote to memory of 2580 2720 csrss.exe 114 PID 2720 wrote to memory of 4428 2720 csrss.exe 117 PID 2720 wrote to memory of 4428 2720 csrss.exe 117 PID 2720 wrote to memory of 4428 2720 csrss.exe 117 PID 2720 wrote to memory of 1676 2720 csrss.exe 119 PID 2720 wrote to memory of 1676 2720 csrss.exe 119 PID 1216 wrote to memory of 2800 1216 windefender.exe 126 PID 1216 wrote to memory of 2800 1216 windefender.exe 126 PID 1216 wrote to memory of 2800 1216 windefender.exe 126 PID 2800 wrote to memory of 4972 2800 cmd.exe 127 PID 2800 wrote to memory of 4972 2800 cmd.exe 127 PID 2800 wrote to memory of 4972 2800 cmd.exe 127 -
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\cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe"C:\Users\Admin\AppData\Local\Temp\cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3764
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C:\Users\Admin\AppData\Local\Temp\cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.exe"C:\Users\Admin\AppData\Local\Temp\cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360.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:3476 -
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:3084
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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:2168 -
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:4012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- 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:892
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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:2720 -
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:4108
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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:232
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:772
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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:2580
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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:4428
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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:1676
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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:652
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1216 -
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:2800 -
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:4972
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2496
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b69b9620feb7a4199c42e74582190adf
SHA1aebabb4923b42c65f4d631d0773dee3073dcb080
SHA25648faca8d82b8ef872e5af6be13d5bcba3b104eb54f13b6b419f921647eddf403
SHA51266d397421fa5d59b8926a6b3be7dfdcac52c182e19b7615f3f724d797ad28602de5f45dfe1c92405a67c0e4536c30be36848b521160140be9a24c270d760ec34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53107f1827f2720309c2e9e44e93bff71
SHA11c1d49417bb9a8a92ae921f66e45f131a44faca7
SHA256ad1aa09d6541bb1b682c4e5741ca427f0bc3c39ec3808b5052f9d70374a9f2b5
SHA512f26eeca91bd7cdd08a72f140679b8a7f5209e2f4a7728303c8ca125ae94353bf5922c8929662429dcac9ccc730888f4900e6afb895046c8b6fe340b0777191ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57970fd4d90bd1bf79de9d0889285a24d
SHA192fb6247ce4302519c58b4158b284a6220c926b1
SHA2563762482058c512d3c3b18ae6b03d21a9364c8bb78d50889ce6fc9eba320d926c
SHA512ccdeaff0d9264277ebf6a3d68242b6b3eb7e7c4bb8def4c1f85351b4153f58769cfdc831f38bd359ed3cf2e117af3b9101d27a2509c771e5619838c53b1c808c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d7570ee5fe17cbad573b23555ce2995
SHA1abcdfd457b19d720c466355430bc53ffe6eb78fb
SHA256178266b6f8d8575e934b538358d1b791314386ba7951c76f24674239127f5594
SHA512ee6014bbf3925b3c203096b7205be7bb4384092efbeb30862696716fca78fbeb5f98195df0ec06febdd4ac3e90ff46718f411148616b15d5770a8952b17cb72f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd7c9bfe597410f503cd08acb1fb2ced
SHA1e3e8a57d505f028adf144de6d9607964181cbafb
SHA256b8f2312e19ea8e179688f47e00455a9b0781ae5ea75267cc923c81655f9921d1
SHA512b37fab63882ae04d2bb9d436318ede955e8ebde8330a8c34e531b3adb55737db04d5109e537c03ee99dc67035865f80a53fd809772fe098ecad93cdcb1cdd90a
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Filesize
4.1MB
MD591dcdd30c1c7ba1784f4bdd3a46871fe
SHA11fc281f89d29a20dc81d7bebc7d40f5ddd214f9c
SHA256cc33dd29aa6c633bda92c99039aa4680f3a217f4e815adf2d478994d39e77360
SHA512164bded9979143554c3221c4d29f00649c6db8ed752c0b6c17258f5afec5dd692bc638616bd6d2034cacd902cb232d78e7ed43b0833ccbfb20e426638084af53
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec