Analysis
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max time kernel
149s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 11:30
Static task
static1
Behavioral task
behavioral1
Sample
005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe
Resource
win10v2004-20240426-en
General
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Target
005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe
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Size
4.1MB
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MD5
8ebf8fb68cbcaeb46a670831287b1c6b
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SHA1
3c25fd3ea74dfae26341205e1abce9e5fbb7d3c8
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SHA256
005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3
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SHA512
01b66c0c4e53aead9336283ae8a449f522ec75ea54b6d5cac99bd86e73175a1f2487ebaf3c449c35c8df2995104a958f61b41e30ee25fc5526880728f2e8775b
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SSDEEP
98304:AZ9bi3QNEOtUId2petU9sYIhWVMAA4+H2:p303UIApyYIhWVMEv
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1100-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/1100-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1100-145-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/1100-144-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1100-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3356-197-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4864-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3568 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4864 csrss.exe 4188 injector.exe 1652 windefender.exe 4984 windefender.exe -
resource yara_rule behavioral2/memory/1652-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9e7-204.dat upx behavioral2/memory/4984-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1652-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe File created C:\Windows\rss\csrss.exe 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.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 1012 sc.exe -
pid Process 1708 powershell.exe 2236 powershell.exe 4412 powershell.exe 1540 powershell.exe 4304 powershell.exe 3940 powershell.exe 1752 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 1036 schtasks.exe 4720 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem 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" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe 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,-214 = "Pacific Daylight Time (Mexico)" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight 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\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4412 powershell.exe 4412 powershell.exe 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 1540 powershell.exe 1540 powershell.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 4304 powershell.exe 4304 powershell.exe 3940 powershell.exe 3940 powershell.exe 1752 powershell.exe 1752 powershell.exe 1708 powershell.exe 1708 powershell.exe 2236 powershell.exe 2236 powershell.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4864 csrss.exe 4864 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4864 csrss.exe 4864 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4864 csrss.exe 4188 injector.exe 4864 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Token: SeImpersonatePrivilege 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe Token: SeDebugPrivilege 1540 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 1752 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeSystemEnvironmentPrivilege 4864 csrss.exe Token: SeSecurityPrivilege 1012 sc.exe Token: SeSecurityPrivilege 1012 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1100 wrote to memory of 4412 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 78 PID 1100 wrote to memory of 4412 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 78 PID 1100 wrote to memory of 4412 1100 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 78 PID 3356 wrote to memory of 1540 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 83 PID 3356 wrote to memory of 1540 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 83 PID 3356 wrote to memory of 1540 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 83 PID 3356 wrote to memory of 1268 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 85 PID 3356 wrote to memory of 1268 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 85 PID 1268 wrote to memory of 3568 1268 cmd.exe 87 PID 1268 wrote to memory of 3568 1268 cmd.exe 87 PID 3356 wrote to memory of 4304 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 88 PID 3356 wrote to memory of 4304 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 88 PID 3356 wrote to memory of 4304 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 88 PID 3356 wrote to memory of 3940 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 90 PID 3356 wrote to memory of 3940 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 90 PID 3356 wrote to memory of 3940 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 90 PID 3356 wrote to memory of 4864 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 92 PID 3356 wrote to memory of 4864 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 92 PID 3356 wrote to memory of 4864 3356 005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe 92 PID 4864 wrote to memory of 1752 4864 csrss.exe 93 PID 4864 wrote to memory of 1752 4864 csrss.exe 93 PID 4864 wrote to memory of 1752 4864 csrss.exe 93 PID 4864 wrote to memory of 1708 4864 csrss.exe 99 PID 4864 wrote to memory of 1708 4864 csrss.exe 99 PID 4864 wrote to memory of 1708 4864 csrss.exe 99 PID 4864 wrote to memory of 2236 4864 csrss.exe 101 PID 4864 wrote to memory of 2236 4864 csrss.exe 101 PID 4864 wrote to memory of 2236 4864 csrss.exe 101 PID 4864 wrote to memory of 4188 4864 csrss.exe 103 PID 4864 wrote to memory of 4188 4864 csrss.exe 103 PID 1652 wrote to memory of 1632 1652 windefender.exe 109 PID 1652 wrote to memory of 1632 1652 windefender.exe 109 PID 1652 wrote to memory of 1632 1652 windefender.exe 109 PID 1632 wrote to memory of 1012 1632 cmd.exe 110 PID 1632 wrote to memory of 1012 1632 cmd.exe 110 PID 1632 wrote to memory of 1012 1632 cmd.exe 110 -
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\005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe"C:\Users\Admin\AppData\Local\Temp\005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4412
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C:\Users\Admin\AppData\Local\Temp\005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.exe"C:\Users\Admin\AppData\Local\Temp\005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3.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:3356 -
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:1540
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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:1268 -
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:3568
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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:4304
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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:3940
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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:4864 -
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:1752
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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:1036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1428
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708
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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:2236
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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:4188
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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:4720
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1652 -
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:1632 -
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:1012
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4984
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
MD5efec61c75215e0ab8de40f4c1c05e695
SHA1b2b5ae676a2d0a6756cd88cfd62a3deb5e43cf95
SHA256ebeea20ddd5cbd4899e8435f8056cb92b5f227b3f01725be156df2f1991f2cca
SHA5128e8915087ac18a6e045648607fe7f46910dcf23f0d615a3a455239168f2a1006f17c254a256c3b4b71f6116febab6acbc915788008cad0aaad4189bf04643841
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d339278368090355c5b41579411e5bd
SHA180110954fae98fbd0a64fc99b9d02e2e4a8ef573
SHA256cbbc504ad37b236f3b734a9066eda21eae83c93fc4c1198f1c37bcf7ac5ef3fa
SHA51244c139b6a0d2273010c6e70acc7aaf28103be076900c76b7b3eb8d5a47f5c5ac73ed91a6ef5b43ab0407aeb78af47111060eb9e167718a52087578b60a527ca3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a177cb57d3f8b86c2292d0d65c8785aa
SHA16b6009d2d338101585cfb378022c13744d636cfa
SHA256b0c05f7af3d816ee788f1cefeefcc3a13a90dc8143defe9ab0b791022c4f036f
SHA5127c8f1bd58c76c99bd73b992ec6a3e39fc4af2a6d59438035c24ba356e71d785b078fd849585f5c58eac113dc963d13faaae6dcc4a30f3f7ef841f0024eb9362f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596cadf0d84b3320be746741542c52e37
SHA1a4f428d603ad5a07d6abeecd3659cdf0fd4297cf
SHA2562524d229a435b2448cd2f484b7e0076dc571ce841754e0cb4aa7edd25956f204
SHA512bb720da02db8f6dae703ad2604cfb3de6413045c0436b340de5d45055e40f9af4b7b063151024390867bd5d6c1b02b68e4eb02699bd8f2f7e7ead89f4a3a227c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aff244c7095209faf2480dd19863628f
SHA1e2c8876a209912955a9fd208c2b938255d1808d3
SHA2560c6fb047b054c49d938f0e66f9b71448578eb8ee92062290e56a69dbf99e4407
SHA51265367f44b50622256636bf9128567ae5df47246078a6d863f3165df4d8997298d3e60caed5fc26875df6896d711072bd616e730eef48c4808834733ac211e6b7
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Filesize
4.1MB
MD58ebf8fb68cbcaeb46a670831287b1c6b
SHA13c25fd3ea74dfae26341205e1abce9e5fbb7d3c8
SHA256005a0ce681210201aefcd130a5426a3b8aaf3031de9025effdaada65e2ac8ca3
SHA51201b66c0c4e53aead9336283ae8a449f522ec75ea54b6d5cac99bd86e73175a1f2487ebaf3c449c35c8df2995104a958f61b41e30ee25fc5526880728f2e8775b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec