Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 11:20
Static task
static1
General
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Target
03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe
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Size
4.2MB
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MD5
cd718bba08a1d5760ba63c977079a813
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SHA1
616cb359bb72322a356a610569b9433ad2c00f72
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SHA256
03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f
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SHA512
c2a9c7590321affacfad0d95ce2da34c2833d4678afde57155aa712c86e58a47d0cacdcfdcaf4549b0fd08f375edaf8b0fd968da7b93e6bb931bb7ea1804bd64
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SSDEEP
98304:xKjqSg25Gx7LaYGXmYepUlzgMKyt2iOE7Zykxufuh4az04kF:J25gLCT71gtyVOON14i040
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4468-2-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/4468-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4468-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4468-57-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/376-58-0x0000000002CD0000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/376-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4468-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/376-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/376-156-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-293-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-297-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-301-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4668-305-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3612 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4668 csrss.exe 4420 injector.exe 3732 windefender.exe 4284 windefender.exe -
resource yara_rule behavioral1/files/0x000c00000002324c-261.dat upx behavioral1/files/0x000c00000002324c-264.dat upx behavioral1/memory/3732-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4284-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4284-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe File created C:\Windows\rss\csrss.exe 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.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 4300 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 4980 schtasks.exe 3132 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\22\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1352 powershell.exe 1352 powershell.exe 1352 powershell.exe 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 3064 powershell.exe 3064 powershell.exe 3064 powershell.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 4972 powershell.exe 4972 powershell.exe 4972 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 3088 powershell.exe 3088 powershell.exe 3088 powershell.exe 3980 powershell.exe 3980 powershell.exe 3980 powershell.exe 2184 powershell.exe 2184 powershell.exe 2184 powershell.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4668 csrss.exe 4668 csrss.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4668 csrss.exe 4668 csrss.exe 4420 injector.exe 4420 injector.exe 4668 csrss.exe 4668 csrss.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe 4420 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Token: SeImpersonatePrivilege 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 2184 powershell.exe Token: SeSystemEnvironmentPrivilege 4668 csrss.exe Token: SeSecurityPrivilege 4300 sc.exe Token: SeSecurityPrivilege 4300 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4468 wrote to memory of 1352 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 90 PID 4468 wrote to memory of 1352 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 90 PID 4468 wrote to memory of 1352 4468 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 90 PID 376 wrote to memory of 3064 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 106 PID 376 wrote to memory of 3064 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 106 PID 376 wrote to memory of 3064 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 106 PID 376 wrote to memory of 1144 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 112 PID 376 wrote to memory of 1144 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 112 PID 1144 wrote to memory of 3612 1144 cmd.exe 113 PID 1144 wrote to memory of 3612 1144 cmd.exe 113 PID 376 wrote to memory of 4972 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 115 PID 376 wrote to memory of 4972 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 115 PID 376 wrote to memory of 4972 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 115 PID 376 wrote to memory of 4828 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 116 PID 376 wrote to memory of 4828 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 116 PID 376 wrote to memory of 4828 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 116 PID 376 wrote to memory of 4668 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 118 PID 376 wrote to memory of 4668 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 118 PID 376 wrote to memory of 4668 376 03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe 118 PID 4668 wrote to memory of 3088 4668 csrss.exe 119 PID 4668 wrote to memory of 3088 4668 csrss.exe 119 PID 4668 wrote to memory of 3088 4668 csrss.exe 119 PID 4668 wrote to memory of 3980 4668 csrss.exe 124 PID 4668 wrote to memory of 3980 4668 csrss.exe 124 PID 4668 wrote to memory of 3980 4668 csrss.exe 124 PID 4668 wrote to memory of 2184 4668 csrss.exe 128 PID 4668 wrote to memory of 2184 4668 csrss.exe 128 PID 4668 wrote to memory of 2184 4668 csrss.exe 128 PID 4668 wrote to memory of 4420 4668 csrss.exe 130 PID 4668 wrote to memory of 4420 4668 csrss.exe 130 PID 3732 wrote to memory of 548 3732 windefender.exe 137 PID 3732 wrote to memory of 548 3732 windefender.exe 137 PID 3732 wrote to memory of 548 3732 windefender.exe 137 PID 548 wrote to memory of 4300 548 cmd.exe 138 PID 548 wrote to memory of 4300 548 cmd.exe 138 PID 548 wrote to memory of 4300 548 cmd.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\03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe"C:\Users\Admin\AppData\Local\Temp\03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1352
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C:\Users\Admin\AppData\Local\Temp\03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.exe"C:\Users\Admin\AppData\Local\Temp\03d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f.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:376 -
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:3064
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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:1144 -
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:3612
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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:4972
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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:4828
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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:4668 -
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:3088
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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:4980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2924
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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:3980
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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:2184
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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:4420
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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:3132
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3732 -
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:548 -
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:4300
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4284
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
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
MD5983c9eb8df8017b366fe7fdb6f550d5b
SHA1d964e2b51811a74ca0b9a850276e52552202e3ea
SHA25639bd1040c65bde4089920c5d81682cecb25281680b209a63904932b53c0d26e6
SHA512c6131feebda54be8caa306a57bb1d29a97dadc4a471b3c3f3445d75be8234299a5ce4ce8ac0e7b544fda3bc115aa90958fb2123ebcc60fabad2ce9e3e381b2e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5729ca7981295d2620e3e977f70d14fe4
SHA1ae3dad65d4e20d29f19121b52a32ada3b0e52e6d
SHA2567c3aa8a5599cfd31f1af0b58d2546974db2b0d576c941269ba9891b3cbae703f
SHA512f01b4cfe41a26ded7b347c3b9ca982de36da295bd1a5353810e8aa0fc18fd5711d07f42af8e67ebce08aea7b2385cbd1519f18a5ed2cfe4f03bda3f3a7831433
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56aea49a52e988e680b398287ebb8516e
SHA1184467e43047ec124ea8fe5284285d2c7f1009c5
SHA2564346cfc039a97828313c6b8ade48d952438eca2002fe0052ec3605b96a6d78bf
SHA51227ee9cd33dae3d90e88bb7a0d1fc37b11b194538537282ddb402ed8fb1a8c75ecb9810d509a484e0ee1723db77bb24b666b9b1a6b7e62e3c191a3519a8792fc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2599e21a7b42052550395b46bb6ef57
SHA14852f79f8f4b0fcebfdd6b14afd47fdc81d9f93d
SHA25685c82b9687413fbadb8019aaf24c6e3230f0d40fe81a93e5f9438ca488b84876
SHA512c4f4bf45fdcdcc757160703d23f49dfa6118d1e5be2e8faf705f9a0ba17a45a5a0fc3e62fe1a1db3aa15d642440e9ef56a9881a0cbeb198273b99ef5e4af1262
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531ef09f1d5edd28812f5e44e0126caa1
SHA101d59e1312aa5e3e7cf655a2d7a91319171519f8
SHA2569b47b5048db0d4fda37c1b11afa5132581217231eafd6671e4d0b6e85d611880
SHA5122881ff63778c92f0db743b745be33484db05c8e8ae8104e3e411f0e187efeb2925d96b59baebfc84ae5005aa7a0dea6cdfacfdf235d498896b6cb5d404c1f810
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Filesize
4.2MB
MD5cd718bba08a1d5760ba63c977079a813
SHA1616cb359bb72322a356a610569b9433ad2c00f72
SHA25603d2ac0a180839e441b85e5cd9d83e958e5990c4fa2a3bdc5f1e21259790fd6f
SHA512c2a9c7590321affacfad0d95ce2da34c2833d4678afde57155aa712c86e58a47d0cacdcfdcaf4549b0fd08f375edaf8b0fd968da7b93e6bb931bb7ea1804bd64
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
832KB
MD53cee364c54a316d5e1640b0875636b19
SHA1ac2ce8ed4fee293ce66517dd5d9e54d99336e07f
SHA256fed9f01b17df8d0a1d7442ffb96e95f9f88e7c25cb38fc8872722928cdcffd01
SHA512b1bebf4644790af4651afd3b2d770c3e46370b4526f7220c3c4ab85224da0574f681daa94041737305d483b2ae73092b43f2881fbd4d6e1dfa124b688d9f1969