Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe
Resource
win10v2004-20240426-en
General
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Target
cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe
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Size
4.1MB
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MD5
0c96e6d067f34559e635c191e6489fb0
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SHA1
604f5e2b25c2c9d73e98398de92060153a605d51
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SHA256
cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f
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SHA512
855966b45edc3eada71f5639f943687e1a426d6e21e761da8dfd618e1fe9a6568ed67816c5c79a53126d1655ff08a2f9728c353b53285159f1fa87268c2c8cd6
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SSDEEP
98304:6oJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/i3:6grNPOj9FQvccBDkmyddxD3VFi3
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/564-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/564-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/564-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/564-55-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral2/memory/564-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/564-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2348-126-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-202-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-213-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/892-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3184 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 892 csrss.exe 2236 injector.exe 4396 windefender.exe 3056 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa8a-206.dat upx behavioral2/memory/4396-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3056-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4396-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3056-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3056-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe File created C:\Windows\rss\csrss.exe cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3172 sc.exe -
pid Process 4300 powershell.exe 4248 powershell.exe 3380 powershell.exe 3068 powershell.exe 4260 powershell.exe 3384 powershell.exe 2444 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 2436 schtasks.exe 724 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.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" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-791 = "SA Western Daylight 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" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. 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,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.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\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.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\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4260 powershell.exe 4260 powershell.exe 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 3384 powershell.exe 3384 powershell.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 2444 powershell.exe 2444 powershell.exe 4300 powershell.exe 4300 powershell.exe 4248 powershell.exe 4248 powershell.exe 3380 powershell.exe 3380 powershell.exe 3068 powershell.exe 3068 powershell.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 892 csrss.exe 892 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 892 csrss.exe 892 csrss.exe 2236 injector.exe 2236 injector.exe 892 csrss.exe 892 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Token: SeImpersonatePrivilege 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeSystemEnvironmentPrivilege 892 csrss.exe Token: SeSecurityPrivilege 3172 sc.exe Token: SeSecurityPrivilege 3172 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 564 wrote to memory of 4260 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 82 PID 564 wrote to memory of 4260 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 82 PID 564 wrote to memory of 4260 564 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 82 PID 2348 wrote to memory of 3384 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 87 PID 2348 wrote to memory of 3384 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 87 PID 2348 wrote to memory of 3384 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 87 PID 2348 wrote to memory of 2864 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 89 PID 2348 wrote to memory of 2864 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 89 PID 2864 wrote to memory of 3184 2864 cmd.exe 91 PID 2864 wrote to memory of 3184 2864 cmd.exe 91 PID 2348 wrote to memory of 2444 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 92 PID 2348 wrote to memory of 2444 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 92 PID 2348 wrote to memory of 2444 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 92 PID 2348 wrote to memory of 4300 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 94 PID 2348 wrote to memory of 4300 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 94 PID 2348 wrote to memory of 4300 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 94 PID 2348 wrote to memory of 892 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 97 PID 2348 wrote to memory of 892 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 97 PID 2348 wrote to memory of 892 2348 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 97 PID 892 wrote to memory of 4248 892 csrss.exe 98 PID 892 wrote to memory of 4248 892 csrss.exe 98 PID 892 wrote to memory of 4248 892 csrss.exe 98 PID 892 wrote to memory of 3380 892 csrss.exe 104 PID 892 wrote to memory of 3380 892 csrss.exe 104 PID 892 wrote to memory of 3380 892 csrss.exe 104 PID 892 wrote to memory of 3068 892 csrss.exe 106 PID 892 wrote to memory of 3068 892 csrss.exe 106 PID 892 wrote to memory of 3068 892 csrss.exe 106 PID 892 wrote to memory of 2236 892 csrss.exe 108 PID 892 wrote to memory of 2236 892 csrss.exe 108 PID 4396 wrote to memory of 4432 4396 windefender.exe 114 PID 4396 wrote to memory of 4432 4396 windefender.exe 114 PID 4396 wrote to memory of 4432 4396 windefender.exe 114 PID 4432 wrote to memory of 3172 4432 cmd.exe 115 PID 4432 wrote to memory of 3172 4432 cmd.exe 115 PID 4432 wrote to memory of 3172 4432 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\cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe"C:\Users\Admin\AppData\Local\Temp\cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4260
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C:\Users\Admin\AppData\Local\Temp\cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe"C:\Users\Admin\AppData\Local\Temp\cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.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:2348 -
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:3384
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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:2864 -
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:3184
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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:2444
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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:4300
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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:892 -
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:4248
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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:2436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:240
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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:3380
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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:3068
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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:2236
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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:724
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4396 -
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:4432 -
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:3172
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3056
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
MD50c777a92ba2fccb8ac4caee611998f92
SHA1cf25ac7232588fc3df09d3f5450ab108e208102e
SHA256914d01d23ac27131924b4922974d2c363e6d37915b71b636af78d85732d02126
SHA512dc919352108a5ec0e9b6a5c5ddbcfb177623bda01389893f7da02b5a550f3e6c6e576e65272e031af828a765a780f861a019bd1607fda2321a70fbdc08df652d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583b50563513d9136d2dba11f6d143f6b
SHA1d728b3eaec0b66c2bd0d4d143f8cefc9b525e187
SHA256b3da4f94c54772bb56175d627699441d36795eb73410fc3f93e319e5bd75922c
SHA51246f28151ef9d6addeb518e9c597a741d9f6fb43f49dae2c9658dbe97ff104a17c7b9942805e824c6071d3298db5e30dde8fa2bb0c526543a9268e60a7adbf5c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6ce9eff0d2d70fed38ba7ace6716ca7
SHA1b0cdfc6c49b1c60a6bf1b0368187fbc9ab377e08
SHA2568aa583c24077baca319b5fce27071977e9755d554ba8bbcf691aff5b3537deb9
SHA512ac529fee448235fc60120e1f17cb25269448ce1e87041339cc3f4dee0180a199e80a68c5da8d5aab895b6832d87d15f2cb3e5fc89070925a11c9d58f26420b07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2996fca29f6ca62ac4765f7ff190f3f
SHA189fb5da4801a00ec86824b07e71100ec881e3c0a
SHA2562629ead47b53949a550910d6510b5fd4102892672492f53b53db0147de80efbd
SHA5126d7426baa3fafb0c1fb7101b3f64e03eebe09c47ff64f468290fd0382f54f6cde9d2754d03305979aeb5410c9261236967fd1990dd6d418f6999ac0c5a7b9e61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5798ffd17384cf35501e05f9e1b2a02e4
SHA1dccdb3bb98febcb30676d29630e571c8b75ca23f
SHA2569c4e25a355321b112aa221d6814b69645ae260db00b12ba39165324055eb8f0d
SHA512361690d67b3224f499103b539716b7a21b68ef82c61c6f2b8bef32a16ae7bc8a4dedbb4f44e678af22e65d69d16597314fdb117a6040a2708ec58dd9024375e2
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Filesize
4.1MB
MD50c96e6d067f34559e635c191e6489fb0
SHA1604f5e2b25c2c9d73e98398de92060153a605d51
SHA256cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f
SHA512855966b45edc3eada71f5639f943687e1a426d6e21e761da8dfd618e1fe9a6568ed67816c5c79a53126d1655ff08a2f9728c353b53285159f1fa87268c2c8cd6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec