Analysis
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max time kernel
150s -
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
16/05/2024, 23:44
Static task
static1
Behavioral task
behavioral1
Sample
b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe
Resource
win10v2004-20240426-en
General
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Target
b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe
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Size
4.1MB
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MD5
da0b695cc9aa26ff6a615a2f237bdde2
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SHA1
08e0fd0bb820a9f818494a83e9435ce73f705acd
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SHA256
b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca
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SHA512
c9cba8b25489c3b14cedfbbbfe7cc77c81d326aa4912ed434ac64dd45d2535d2c11a0a5ce9cb0a580926e966e7262b12d800616d867bace9cfa2470d09901fd6
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SSDEEP
98304:CeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGU:CgHncLBP5HkIsFwf3u4kByfxbhOj
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral2/memory/3132-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3132-121-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3132-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/236-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4952-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4952 csrss.exe 2260 injector.exe 1296 windefender.exe 4064 windefender.exe -
resource yara_rule behavioral2/memory/1296-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa0f-208.dat upx behavioral2/memory/4064-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1296-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4064-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4064-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.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 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.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 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe File created C:\Windows\rss\csrss.exe b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.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 4420 sc.exe -
pid Process 3564 powershell.exe 572 powershell.exe 2208 powershell.exe 3472 powershell.exe 2852 powershell.exe 2904 powershell.exe 4960 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 3456 schtasks.exe 1336 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe 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\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2208 powershell.exe 2208 powershell.exe 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 3472 powershell.exe 3472 powershell.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 2852 powershell.exe 2852 powershell.exe 2904 powershell.exe 2904 powershell.exe 4960 powershell.exe 4960 powershell.exe 3564 powershell.exe 3564 powershell.exe 572 powershell.exe 572 powershell.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 4952 csrss.exe 4952 csrss.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 4952 csrss.exe 4952 csrss.exe 2260 injector.exe 2260 injector.exe 4952 csrss.exe 4952 csrss.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Token: SeImpersonatePrivilege 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 572 powershell.exe Token: SeSystemEnvironmentPrivilege 4952 csrss.exe Token: SeSecurityPrivilege 4420 sc.exe Token: SeSecurityPrivilege 4420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3132 wrote to memory of 2208 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 83 PID 3132 wrote to memory of 2208 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 83 PID 3132 wrote to memory of 2208 3132 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 83 PID 236 wrote to memory of 3472 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 88 PID 236 wrote to memory of 3472 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 88 PID 236 wrote to memory of 3472 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 88 PID 236 wrote to memory of 1296 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 112 PID 236 wrote to memory of 1296 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 112 PID 1296 wrote to memory of 4084 1296 cmd.exe 92 PID 1296 wrote to memory of 4084 1296 cmd.exe 92 PID 236 wrote to memory of 2852 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 93 PID 236 wrote to memory of 2852 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 93 PID 236 wrote to memory of 2852 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 93 PID 236 wrote to memory of 2904 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 95 PID 236 wrote to memory of 2904 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 95 PID 236 wrote to memory of 2904 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 95 PID 236 wrote to memory of 4952 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 97 PID 236 wrote to memory of 4952 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 97 PID 236 wrote to memory of 4952 236 b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe 97 PID 4952 wrote to memory of 4960 4952 csrss.exe 98 PID 4952 wrote to memory of 4960 4952 csrss.exe 98 PID 4952 wrote to memory of 4960 4952 csrss.exe 98 PID 4952 wrote to memory of 3564 4952 csrss.exe 104 PID 4952 wrote to memory of 3564 4952 csrss.exe 104 PID 4952 wrote to memory of 3564 4952 csrss.exe 104 PID 4952 wrote to memory of 572 4952 csrss.exe 106 PID 4952 wrote to memory of 572 4952 csrss.exe 106 PID 4952 wrote to memory of 572 4952 csrss.exe 106 PID 4952 wrote to memory of 2260 4952 csrss.exe 108 PID 4952 wrote to memory of 2260 4952 csrss.exe 108 PID 1296 wrote to memory of 3124 1296 windefender.exe 114 PID 1296 wrote to memory of 3124 1296 windefender.exe 114 PID 1296 wrote to memory of 3124 1296 windefender.exe 114 PID 3124 wrote to memory of 4420 3124 cmd.exe 115 PID 3124 wrote to memory of 4420 3124 cmd.exe 115 PID 3124 wrote to memory of 4420 3124 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe"C:\Users\Admin\AppData\Local\Temp\b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2208
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C:\Users\Admin\AppData\Local\Temp\b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.exe"C:\Users\Admin\AppData\Local\Temp\b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca.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:236 -
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:3472
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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:1296 -
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:4084
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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:2852
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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:2904
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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:4952 -
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:4960
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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:3456
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1428
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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:3564
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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:572
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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:2260
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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:1336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1296 -
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:3124 -
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:4420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4064
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f458a3728331de295093dbe0bb359480
SHA1ea3191a6fbcc54b5a2a15bbd05a53355bdb2d8b7
SHA256127a65862093c8704826953e20ee93f012a5a17098de6ecbc84c9be55e166782
SHA512506178ed7eb0c49e4d596c074e06afbf4778fcacc389760c9609d223071e5ee456843d0223711e87f162bb2761d1e7a45be03a6b30a1146d9da703430702dcb7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6de6102483319bcdfcf9f2b64ab5d6d
SHA1bd61899b96515577fc4c8a72ea528c493b3d4843
SHA2560357280b7d4a2b8b323677b3d690884a8d67025b05ff78f9997ef8ecd033c0b4
SHA512668a2ac6e3992e3715bf8053559f351930382bbd05489ce6daa4e30607b20a3d1324fab370b1f718ca267cd04eebf7bb595b2f7cf28dcac8974f0d6ab92baa7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d452fdd9ab3481a6d2109ce6e01b0f58
SHA121574670ac0e1d877f63f58c4189d023b2c762d5
SHA25624b036b58e423d5303d18b9170791b5cc19bc6f9dbd769be301fff95d219271e
SHA512e9361e53c69392515e353c0ce02e52b5c7397a524a4595a681d758bab7d155ff78c0a80ef1dd800d0de6c3c56bedc039dee2a9062449d6cf4fac4e64129363a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58411beaa61776badbc887a9bf14287d7
SHA1e31ae050aa87a0b93f90aa23a947887d979136bb
SHA256b3524f18f1f15c99be2f1f8fc9870577a4286ee8ceeb56984d19a6bb2d2c0151
SHA512d5b519488613e00bb5144d6ed246430a232fed4bd7521494b17dda3bfc45b01384040a86389530ed16750a362a0e3dd1102c632f4b1fa63a407b6fd44cfc6e16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c27ebe77362bfdffa3dd710927aa2cd9
SHA1e9938b9bb6f0cbaf7488cca0316befbc5bdf961c
SHA256ddea1653e5a7970d24c05cfbea539456dac6ba5c7833f5386be314eb211ab7be
SHA5125abca323b1457b93d1c383234c2ae7824bd277c6360849eabfb9a5ff97513434ab90e24f7c0843ffbedff7dd6030a64d991a9b06a3561332aa1a2087531f5267
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Filesize
4.1MB
MD5da0b695cc9aa26ff6a615a2f237bdde2
SHA108e0fd0bb820a9f818494a83e9435ce73f705acd
SHA256b1215d4f4dca4a76800e715d991d3362edef3c97f0388bab1336157b365c4fca
SHA512c9cba8b25489c3b14cedfbbbfe7cc77c81d326aa4912ed434ac64dd45d2535d2c11a0a5ce9cb0a580926e966e7262b12d800616d867bace9cfa2470d09901fd6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec