Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
13/05/2024, 12:39
Static task
static1
Behavioral task
behavioral1
Sample
202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe
Resource
win10v2004-20240426-en
General
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Target
202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe
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Size
4.1MB
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MD5
4fce6fff0494e8b07f3a1afc97bb4c95
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SHA1
317736f49bcff42745ebdd055e45bd9d66a70a8b
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SHA256
202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169
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SHA512
9a8e66e2b78e7b401312dab9349b566361395c27a8080addc1f5a62cf84170f22620fa9a8977bded5f1c2d3bdada9293593b95544f714b855afed5626290249c
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SSDEEP
98304:KEJIWEvfJYldNz1VWpL3L0cE4bvJAyhw6eqjyZouO:KEJJEv+l7zil3jygVjyy5
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/232-2-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/232-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/232-8-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/232-51-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/232-53-0x0000000005040000-0x000000000592B000-memory.dmp family_glupteba behavioral2/memory/232-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/224-100-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/224-127-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-140-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-198-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-209-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-217-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-223-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-226-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5000-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5000 csrss.exe 2688 injector.exe 1636 windefender.exe 1144 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-208.dat upx behavioral2/memory/1636-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1144-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1636-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1144-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1144-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3204 sc.exe -
pid Process 5048 powershell.exe 1280 powershell.exe 1680 powershell.exe 3100 powershell.exe 1624 powershell.exe 4048 powershell.exe 2464 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 4500 schtasks.exe 3980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2464 powershell.exe 2464 powershell.exe 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 5048 powershell.exe 5048 powershell.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 1280 powershell.exe 1280 powershell.exe 1680 powershell.exe 1680 powershell.exe 3100 powershell.exe 3100 powershell.exe 1624 powershell.exe 1624 powershell.exe 4048 powershell.exe 4048 powershell.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 5000 csrss.exe 5000 csrss.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 5000 csrss.exe 5000 csrss.exe 2688 injector.exe 2688 injector.exe 5000 csrss.exe 5000 csrss.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Token: SeImpersonatePrivilege 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 1680 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeSystemEnvironmentPrivilege 5000 csrss.exe Token: SeSecurityPrivilege 3204 sc.exe Token: SeSecurityPrivilege 3204 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 232 wrote to memory of 2464 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 83 PID 232 wrote to memory of 2464 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 83 PID 232 wrote to memory of 2464 232 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 83 PID 224 wrote to memory of 5048 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 88 PID 224 wrote to memory of 5048 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 88 PID 224 wrote to memory of 5048 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 88 PID 224 wrote to memory of 1888 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 90 PID 224 wrote to memory of 1888 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 90 PID 1888 wrote to memory of 3592 1888 cmd.exe 92 PID 1888 wrote to memory of 3592 1888 cmd.exe 92 PID 224 wrote to memory of 1280 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 93 PID 224 wrote to memory of 1280 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 93 PID 224 wrote to memory of 1280 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 93 PID 224 wrote to memory of 1680 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 95 PID 224 wrote to memory of 1680 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 95 PID 224 wrote to memory of 1680 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 95 PID 224 wrote to memory of 5000 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 97 PID 224 wrote to memory of 5000 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 97 PID 224 wrote to memory of 5000 224 202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe 97 PID 5000 wrote to memory of 3100 5000 csrss.exe 98 PID 5000 wrote to memory of 3100 5000 csrss.exe 98 PID 5000 wrote to memory of 3100 5000 csrss.exe 98 PID 5000 wrote to memory of 1624 5000 csrss.exe 104 PID 5000 wrote to memory of 1624 5000 csrss.exe 104 PID 5000 wrote to memory of 1624 5000 csrss.exe 104 PID 5000 wrote to memory of 4048 5000 csrss.exe 106 PID 5000 wrote to memory of 4048 5000 csrss.exe 106 PID 5000 wrote to memory of 4048 5000 csrss.exe 106 PID 5000 wrote to memory of 2688 5000 csrss.exe 108 PID 5000 wrote to memory of 2688 5000 csrss.exe 108 PID 1636 wrote to memory of 2256 1636 windefender.exe 114 PID 1636 wrote to memory of 2256 1636 windefender.exe 114 PID 1636 wrote to memory of 2256 1636 windefender.exe 114 PID 2256 wrote to memory of 3204 2256 cmd.exe 115 PID 2256 wrote to memory of 3204 2256 cmd.exe 115 PID 2256 wrote to memory of 3204 2256 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\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe"C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2464
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C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe"C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.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:224 -
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:5048
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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:1888 -
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:3592
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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:1280
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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:1680
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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:5000 -
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:3100
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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:4500
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1544
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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:1624
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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:4048
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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:2688
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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:3980
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1636 -
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:2256 -
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:3204
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1144
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
MD54c97d18a408fb99f17e8f8697044adb7
SHA1a803a7d1d7ad76c51bd89cd764c5530a71931dd2
SHA256c102b0da249513caebd6c5c9dfbdb5d0ca03418e554bcedecbce6120263887cd
SHA5126aafc6feeb50ff1916dd2ee05cd1a892d7d3487f74e689ca22c1a6db1ec5c0811f92132c6e4cb9f63ab2122146c01c0dc905372fcca03a74ccaa2da280f2286d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb3dbdc3e8a02d308a6c3d678f07dde5
SHA113fbb3e7206cd217569f332c522959a36c04d2ad
SHA2565d2ac158046f6317bfc8008f7adc4b795da8ec161cf7bb00f733662782ffcefc
SHA5127726561adb3b8098f3b7b8cbab7b73a74b6b7e129b1e820cbfcb469943df9db05b93bbb9b4541270d49f79741a4f632a3cbc77743009f52f99250f4189a50f48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5860c2e9b210515348257e70be7c75351
SHA1eec2ca39be86ac146894b76b3b428a8c21626bdb
SHA25629ec5b64c2350cd8eae4757d38e25b9fb21a17bb33b705ca974fdac7caa6943a
SHA512949a4a22494a985663e0c612e638557e17702a84f530e549215e2fb04e560be1d231f1ee32758ff6607c95366862547d73dd4b482d80b74126c60835426eaa74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4193470326c01f82ed75e8edfc27247
SHA17bbc5806243d2f2b1e7b7c55d0eb5a4a28e95e84
SHA256223df53dd83a6c5de5d87d3b294207df88ec4a7907016cf5bdf89f8961fc9d88
SHA512d051ceffd76bee908dbb9aee76c0d9db8e0145496fee75dde2c90c1121d562351650c9b76280d28e9367ba90e65e1723f889b13fe20de2ae1a201486efa2322f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59930e9bea35afd006ff3d98278da7f10
SHA153fe1652756942cc0d81f1f756cf425ea95c52e8
SHA2563dbeae1d59a23ff81793ad238ae85d69c366e9ddcb8e08db3fc8fa5f6250527a
SHA51240173150889e29d52ee077609da4f64fc189b6bfa0fe1e2586adb7c6f62f3605d96c8486b61130ce3cc37029418dadb79005188c37a41ed85b8d9b5d3f81680d
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Filesize
4.1MB
MD54fce6fff0494e8b07f3a1afc97bb4c95
SHA1317736f49bcff42745ebdd055e45bd9d66a70a8b
SHA256202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169
SHA5129a8e66e2b78e7b401312dab9349b566361395c27a8080addc1f5a62cf84170f22620fa9a8977bded5f1c2d3bdada9293593b95544f714b855afed5626290249c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec