Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/4656-2-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4656-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4656-67-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4656-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4836-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-260-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-264-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1200-268-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3840 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1200 csrss.exe 1420 injector.exe 4352 windefender.exe 3064 windefender.exe -
resource yara_rule behavioral1/memory/4352-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3064-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4352-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000d000000023454-223.dat upx behavioral1/memory/3064-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3064-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3064-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe File created C:\Windows\rss\csrss.exe cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4840 sc.exe -
pid Process 4804 powershell.exe 1472 powershell.exe 3896 powershell.exe 1780 powershell.exe 4872 powershell.exe 3632 powershell.exe 3008 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 3904 schtasks.exe 4696 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\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.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,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard 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,-2062 = "North Korea Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.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,-981 = "Kamchatka Daylight Time" windefender.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,-562 = "SE Asia Standard 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" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1472 powershell.exe 1472 powershell.exe 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 3896 powershell.exe 3896 powershell.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 1780 powershell.exe 1780 powershell.exe 4872 powershell.exe 4872 powershell.exe 3632 powershell.exe 3632 powershell.exe 3008 powershell.exe 3008 powershell.exe 4804 powershell.exe 4804 powershell.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1200 csrss.exe 1200 csrss.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1200 csrss.exe 1200 csrss.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1200 csrss.exe 1200 csrss.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe 1420 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Token: SeImpersonatePrivilege 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeSystemEnvironmentPrivilege 1200 csrss.exe Token: SeSecurityPrivilege 4840 sc.exe Token: SeSecurityPrivilege 4840 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4656 wrote to memory of 1472 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 93 PID 4656 wrote to memory of 1472 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 93 PID 4656 wrote to memory of 1472 4656 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 93 PID 4836 wrote to memory of 3896 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 99 PID 4836 wrote to memory of 3896 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 99 PID 4836 wrote to memory of 3896 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 99 PID 4836 wrote to memory of 4708 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 101 PID 4836 wrote to memory of 4708 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 101 PID 4708 wrote to memory of 3840 4708 cmd.exe 103 PID 4708 wrote to memory of 3840 4708 cmd.exe 103 PID 4836 wrote to memory of 1780 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 104 PID 4836 wrote to memory of 1780 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 104 PID 4836 wrote to memory of 1780 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 104 PID 4836 wrote to memory of 4872 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 133 PID 4836 wrote to memory of 4872 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 133 PID 4836 wrote to memory of 4872 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 133 PID 4836 wrote to memory of 1200 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 108 PID 4836 wrote to memory of 1200 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 108 PID 4836 wrote to memory of 1200 4836 cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f.exe 108 PID 1200 wrote to memory of 3632 1200 csrss.exe 109 PID 1200 wrote to memory of 3632 1200 csrss.exe 109 PID 1200 wrote to memory of 3632 1200 csrss.exe 109 PID 1200 wrote to memory of 3008 1200 csrss.exe 115 PID 1200 wrote to memory of 3008 1200 csrss.exe 115 PID 1200 wrote to memory of 3008 1200 csrss.exe 115 PID 1200 wrote to memory of 4804 1200 csrss.exe 117 PID 1200 wrote to memory of 4804 1200 csrss.exe 117 PID 1200 wrote to memory of 4804 1200 csrss.exe 117 PID 1200 wrote to memory of 1420 1200 csrss.exe 120 PID 1200 wrote to memory of 1420 1200 csrss.exe 120 PID 4352 wrote to memory of 116 4352 windefender.exe 127 PID 4352 wrote to memory of 116 4352 windefender.exe 127 PID 4352 wrote to memory of 116 4352 windefender.exe 127 PID 116 wrote to memory of 4840 116 cmd.exe 128 PID 116 wrote to memory of 4840 116 cmd.exe 128 PID 116 wrote to memory of 4840 116 cmd.exe 128 -
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:4656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472
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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:4836 -
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:3896
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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:4708 -
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:3840
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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:1780
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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:4872
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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:1200 -
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:3632
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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:3904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2472
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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:3008
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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:4804
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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:1420
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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:4696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4352 -
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:116 -
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:4840
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3064
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:4872
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524659b921adabfa6adc1b41c111ce667
SHA1fc7cabf9b7113776b7efd4be18f6957936477541
SHA256e002e8653be7b64c99988f76ff2f709628ecdaf26a121636093e612a7532ff0f
SHA5127e218db49023ba8f59cc3c27d26a69d6c3680bc9176d778130c19d923736e2c3d6dd3307184bd33ca41e728e761c392741ab8bd8d4a38456fb52d7975b954ae4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b918408b1bdc14cec7808d55954ca09
SHA1e1ada09edcf23c3bd9f91d70d57024bd6d25d05b
SHA256c3f664b2792f34aae3df390bce09e22274132126c2053124c0f742732dbf775e
SHA5121f932277aa3ebbe9c1a351eb8620e90aa760c251a331ee03e1226f862acf5e91c0ad24fdb6dd3a250a51053f67ce0b7be11901e881c3474215badca475bd31e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7a269e4e4c42bee837bc8aac88a95bc
SHA1a8b855be6ad9b539f4ddc348d01f291b934ad6ac
SHA2567374c975c7e8147e6c41e8de236808ceef7a410d3243ce013cf1d36af59a9f7e
SHA5120991dc8214e466932bf5312a31445a45b6802b767f8e93e4ba34a6a67a33b4dadaad2473d45868ac021a69751f01ba86967a91eec99a0b93d33859da89ace9d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5793207c29d8223a18f1aef0da3efcd7d
SHA1ed64739abc4f5bdc3289685d1365070d41edad16
SHA256704e8c14f5efa3267096f0fed658598a3a19f4fb54dbc563594c61d4e95d5e2a
SHA5128759e9c4f9f8056a9c079a867423d5638227d953c8878f2c2a65f6d22364321157decd1e2d2fa3c0858faae7558918dade33a13f4ce2a59ff8f72e966dd6e731
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c477ba52ec56c85bc49efac6194f4128
SHA128deef55d65412e6a4183359e27966ae54330536
SHA25688d9233badfc12556fe030d7ca1d6f897a1defa9cf5a59a19c277e117d5d6c3c
SHA5120cc30dd8694b83bd0ed9c38d46f6dd30c806c6932932ce16a868300c069e75006a316a3111b9bc623589cf01a7a16f60a3a12ee82bf69e7b456b012a366ba9b4
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Filesize
4.1MB
MD50c96e6d067f34559e635c191e6489fb0
SHA1604f5e2b25c2c9d73e98398de92060153a605d51
SHA256cb222f8502c3364801cb2439601dee33ddeadf8bd9dbeda7de2f33565581677f
SHA512855966b45edc3eada71f5639f943687e1a426d6e21e761da8dfd618e1fe9a6568ed67816c5c79a53126d1655ff08a2f9728c353b53285159f1fa87268c2c8cd6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec