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
17-05-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe
Resource
win10v2004-20240508-en
General
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Target
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe
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Size
4.1MB
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MD5
389e7a8232b01e62f33818ac0d45d9c4
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SHA1
f3dc9bedd04255bc72160a25cbfa210f0fc11a77
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SHA256
01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80
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SHA512
725f9abc9693c067d91004fff1b6fa6af59e71efecb182c3a186c5a724333bdec8b69f40fc49ba4a43cabe71c9a8c336425c1b5d16b46ea1bae7cb72c09736b5
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SSDEEP
98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+NbP:Ba1p4P0l8MfVLMTrP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1264-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/1264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1264-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1264-53-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/1264-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1084-91-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1084-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-176-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2940-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2960 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2940 csrss.exe 4712 injector.exe 1556 windefender.exe 3568 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f8-208.dat upx behavioral2/memory/1556-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3568-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3568-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3568-220-0x0000000000400000-0x00000000008DF000-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\"" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe File created C:\Windows\rss\csrss.exe 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe File created 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 1448 sc.exe -
pid Process 2504 powershell.exe 3976 powershell.exe 4540 powershell.exe 3928 powershell.exe 484 powershell.exe 484 powershell.exe 1164 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 4120 schtasks.exe 4508 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 484 powershell.exe 484 powershell.exe 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1164 powershell.exe 1164 powershell.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 2504 powershell.exe 2504 powershell.exe 3976 powershell.exe 3976 powershell.exe 4540 powershell.exe 4540 powershell.exe 3928 powershell.exe 3928 powershell.exe 484 powershell.exe 484 powershell.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 2940 csrss.exe 2940 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 2940 csrss.exe 2940 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 2940 csrss.exe 2940 csrss.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe 4712 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 484 powershell.exe Token: SeDebugPrivilege 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Token: SeImpersonatePrivilege 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 3976 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 484 powershell.exe Token: SeSystemEnvironmentPrivilege 2940 csrss.exe Token: SeSecurityPrivilege 1448 sc.exe Token: SeSecurityPrivilege 1448 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1264 wrote to memory of 484 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 82 PID 1264 wrote to memory of 484 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 82 PID 1264 wrote to memory of 484 1264 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 82 PID 1084 wrote to memory of 1164 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 87 PID 1084 wrote to memory of 1164 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 87 PID 1084 wrote to memory of 1164 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 87 PID 1084 wrote to memory of 2512 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 89 PID 1084 wrote to memory of 2512 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 89 PID 2512 wrote to memory of 2960 2512 cmd.exe 91 PID 2512 wrote to memory of 2960 2512 cmd.exe 91 PID 1084 wrote to memory of 2504 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 1084 wrote to memory of 2504 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 1084 wrote to memory of 2504 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 92 PID 1084 wrote to memory of 3976 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 94 PID 1084 wrote to memory of 3976 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 94 PID 1084 wrote to memory of 3976 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 94 PID 1084 wrote to memory of 2940 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 96 PID 1084 wrote to memory of 2940 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 96 PID 1084 wrote to memory of 2940 1084 01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe 96 PID 2940 wrote to memory of 4540 2940 csrss.exe 97 PID 2940 wrote to memory of 4540 2940 csrss.exe 97 PID 2940 wrote to memory of 4540 2940 csrss.exe 97 PID 2940 wrote to memory of 3928 2940 csrss.exe 103 PID 2940 wrote to memory of 3928 2940 csrss.exe 103 PID 2940 wrote to memory of 3928 2940 csrss.exe 103 PID 2940 wrote to memory of 484 2940 csrss.exe 105 PID 2940 wrote to memory of 484 2940 csrss.exe 105 PID 2940 wrote to memory of 484 2940 csrss.exe 105 PID 2940 wrote to memory of 4712 2940 csrss.exe 107 PID 2940 wrote to memory of 4712 2940 csrss.exe 107 PID 1556 wrote to memory of 2960 1556 windefender.exe 113 PID 1556 wrote to memory of 2960 1556 windefender.exe 113 PID 1556 wrote to memory of 2960 1556 windefender.exe 113 PID 2960 wrote to memory of 1448 2960 cmd.exe 114 PID 2960 wrote to memory of 1448 2960 cmd.exe 114 PID 2960 wrote to memory of 1448 2960 cmd.exe 114 -
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\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:484
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C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.exe"C:\Users\Admin\AppData\Local\Temp\01ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80.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:1084 -
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:1164
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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:2512 -
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:2960
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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:2504
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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:3976
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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:2940 -
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:4540
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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:4120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4972
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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:3928
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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:484
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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:4712
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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:4508
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1556 -
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:2960 -
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:1448
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3568
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
MD54e2f3975da596883503ab2ea12b545d3
SHA19af9f386501d2a0ccb871b921a7e106d544fd0e1
SHA25692c9d3220a087fe64fb5770d3303eb628f3a479bc2a5ce26d49418deec427704
SHA512957263aa7e86c361baa90d11a2583ca2f9fbc2c299047de33f2b89b8166ea204b8546010d78ba151335c1ffc04f2a9dd458eb5c0e16b0042e880b9a04bea548e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8e2ea64b3ac682bb5ddcca7fed718fb
SHA13999aff7c3eb3146966d7ffb9f438a64cddb576d
SHA256ea62cd5ff0bc2af98202158582d5a2ff95501e9cb4a3fbb7a88f7a5d840bf372
SHA512b42a71d31df2f0933e1f1815f01fdbac7eb117bd74346e311eb58407b7e232c606f7039d60a9d9554701e63b3c47075c522d10fac2549fb1c5d2a68348677208
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594888a5a326cb748d641236d52088c1a
SHA1f3af0db07b1600b274d89658194dcc9ec0439da8
SHA256e3fb6e112e842625253889e9bcee4bb74580086caa9373b2baeb60f7870651ef
SHA512dc3c8c027a3e3761b2afe437fde7c4041f9543cd6617bdece9f265accbf3e260ec9769fc26fbafca7dc8ce2dc3be1b4701432dee03338a733e71c59856c11558
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5240f57dc46e431cf1b8ef0e100bfbfe1
SHA178d03574138290a822f4fad2fc3a8b12147b9b40
SHA256d77209e361335e5e3acaa4c1146fab665dffc1aef8ac7b01e71c694b6ac70357
SHA512421c79e7dec8fb1b3b8b210958f1466a07fb2228aafa5b9f80849a4145837c1d34b449bb9009b2483796197b0240aabbbca4f1f5cb8c01550c72a793bfac8357
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc4f903902792c463efd2b8f149c5722
SHA1d61410edee0593be549edd705098d51ffb30a7f9
SHA2569fd04ff5564bc8ed6f0ecda28d7e76dca80143170b2da052fbf2486853ca95ab
SHA512b7475fd926653ae7787ca6a228b3d4821e2fb3d90ff63f6ea85c42e7a597bdc85eb0303b75d292afc5f4606a20675265945f5c7fbca9fae599c66cfdc0ebdf51
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Filesize
4.1MB
MD5389e7a8232b01e62f33818ac0d45d9c4
SHA1f3dc9bedd04255bc72160a25cbfa210f0fc11a77
SHA25601ca5b1987728837c128a4490e573075e230346473cb1b87cf95193aca6b6b80
SHA512725f9abc9693c067d91004fff1b6fa6af59e71efecb182c3a186c5a724333bdec8b69f40fc49ba4a43cabe71c9a8c336425c1b5d16b46ea1bae7cb72c09736b5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec