Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:44
Static task
static1
Behavioral task
behavioral1
Sample
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe
Resource
win10v2004-20240508-en
General
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Target
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe
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Size
4.1MB
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MD5
9851c30a97bdab7b8d0aec66dada4283
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SHA1
8ff08d3447c5624ad0c0a3886660080cdc61f4c8
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SHA256
cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47
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SHA512
5ae380ce55b3e9a8eda45b61127706f6871baf1633346bff7db0b640a0fdf7f2ddb4d558fa63c8688dc518fe563c5f35667ec8fdda94697792183e7676a95f1e
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SSDEEP
98304:XBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbk:Ra1p4P0l8MfVLMTrk
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2876-2-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2876-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-8-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2876-54-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2876-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/908-123-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/908-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-201-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1812-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1692 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1812 csrss.exe 4748 injector.exe 4372 windefender.exe 1984 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab24-211.dat upx behavioral2/memory/4372-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4372-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 File created 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 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe File created C:\Windows\rss\csrss.exe cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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 1936 sc.exe -
pid Process 4440 powershell.exe 3196 powershell.exe 2668 powershell.exe 2876 powershell.exe 5016 powershell.exe 1836 powershell.exe 4020 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 1220 schtasks.exe 1708 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,-561 = "SE Asia Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-431 = "Iran 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,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea 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" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe 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\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" 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,-2451 = "Saint Pierre Daylight Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia 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)" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5016 powershell.exe 5016 powershell.exe 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 1836 powershell.exe 1836 powershell.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 4020 powershell.exe 4020 powershell.exe 4440 powershell.exe 4440 powershell.exe 3196 powershell.exe 3196 powershell.exe 2668 powershell.exe 2668 powershell.exe 2876 powershell.exe 2876 powershell.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 1812 csrss.exe 1812 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 1812 csrss.exe 1812 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 1812 csrss.exe 1812 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Token: SeImpersonatePrivilege 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeSystemEnvironmentPrivilege 1812 csrss.exe Token: SeSecurityPrivilege 1936 sc.exe Token: SeSecurityPrivilege 1936 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2876 wrote to memory of 5016 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 82 PID 2876 wrote to memory of 5016 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 82 PID 2876 wrote to memory of 5016 2876 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 82 PID 908 wrote to memory of 1836 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 87 PID 908 wrote to memory of 1836 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 87 PID 908 wrote to memory of 1836 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 87 PID 908 wrote to memory of 3416 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 89 PID 908 wrote to memory of 3416 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 89 PID 3416 wrote to memory of 1692 3416 cmd.exe 91 PID 3416 wrote to memory of 1692 3416 cmd.exe 91 PID 908 wrote to memory of 4020 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 92 PID 908 wrote to memory of 4020 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 92 PID 908 wrote to memory of 4020 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 92 PID 908 wrote to memory of 4440 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 94 PID 908 wrote to memory of 4440 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 94 PID 908 wrote to memory of 4440 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 94 PID 908 wrote to memory of 1812 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 96 PID 908 wrote to memory of 1812 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 96 PID 908 wrote to memory of 1812 908 cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe 96 PID 1812 wrote to memory of 3196 1812 csrss.exe 97 PID 1812 wrote to memory of 3196 1812 csrss.exe 97 PID 1812 wrote to memory of 3196 1812 csrss.exe 97 PID 1812 wrote to memory of 2668 1812 csrss.exe 102 PID 1812 wrote to memory of 2668 1812 csrss.exe 102 PID 1812 wrote to memory of 2668 1812 csrss.exe 102 PID 1812 wrote to memory of 2876 1812 csrss.exe 105 PID 1812 wrote to memory of 2876 1812 csrss.exe 105 PID 1812 wrote to memory of 2876 1812 csrss.exe 105 PID 1812 wrote to memory of 4748 1812 csrss.exe 107 PID 1812 wrote to memory of 4748 1812 csrss.exe 107 PID 4372 wrote to memory of 1548 4372 windefender.exe 113 PID 4372 wrote to memory of 1548 4372 windefender.exe 113 PID 4372 wrote to memory of 1548 4372 windefender.exe 113 PID 1548 wrote to memory of 1936 1548 cmd.exe 114 PID 1548 wrote to memory of 1936 1548 cmd.exe 114 PID 1548 wrote to memory of 1936 1548 cmd.exe 114 -
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\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5016
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C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.exe"C:\Users\Admin\AppData\Local\Temp\cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47.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:908 -
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:1836
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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:3416 -
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:1692
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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:4020
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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:4440
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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:1812 -
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:3196
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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:1220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4532
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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:2668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2876
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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:4748
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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:1708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4372 -
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:1548 -
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:1936
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1984
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
MD50781e25556d71c7e3c29ce43549aedb9
SHA10b5b2c03bd483cb7104d8765efbb97d2e7a5bf39
SHA256a71e9c0265efdf4c5c16328f168bede20ceab29753626c6c66f935e8c446d240
SHA512e6238cff73939d2a44289d3041b2db37a08fb314d46b8fa253c1087451946f9b2cd3de273cfc460d48331ba2f27f7d2e88a1a4d2d483c3cb229f9125d922cf51
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d35cae63ceccedac509ab95091a0fffb
SHA1805bcffa4b5fd4503849353f1d3bd5bc1e2f3194
SHA256805a041935ea3912823b6e5db0dcdf8770b54f475a1169013476472480a1e1c1
SHA5128db994e46c8c9859c7b6c40fd8077379163476b553738f5b49202ef8dda2b1c5c6492ba574034dbc3ae2c6f973f62198d6cb1d3377f57625967834b1feb4e408
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5109b6ffe5b1d4bd828636e8307663ef1
SHA1c51b791f479fa2af60cfd9e2fc4eca5fe7453574
SHA2560b2b526172617cb52ce8cf3326c711d63be6b81226262fc453ce67656c9df173
SHA512b389ca6703c732259653fc97f185241707c2d5bde858dab649cf74d78177a5cd91a332656c17ff1a8fdcee8dc7a4e5e0579a972bc788f0d957a9abe729fb9464
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6836032c292cabacab18e4d684cf77a
SHA18a25ed98c8634411c9eaae57d211759a7db1294c
SHA2567138f7fb4ec410cd170bedfcf8bf572bda42109ad4158fee2d8ec1ed423de243
SHA5121bf67dcce84214f96c4916c77dd096a7540b8e5170ae73b15fabe144c2a3cf6f368f5e802e859ef224eb9ebf97e62b1e085f80ea750d63ebfe21c0786962aeaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fab3cba5c1eb5f8ea46701cb29fc588d
SHA1d77a37921f18ce1b79f58cc9d756818794633338
SHA2568ce89f18612e8709724febde904b3c63c58b845372d5a5e96755915a44fdab09
SHA512a36dd57da4ebdc8229bf1570af313d2d32f67d192c707428747a03ac39f5c590cb776fb141d1e5c0e1b52249abe2882bc0320d17a65f5d7ba6c5610ee0516fb5
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Filesize
4.1MB
MD59851c30a97bdab7b8d0aec66dada4283
SHA18ff08d3447c5624ad0c0a3886660080cdc61f4c8
SHA256cc2ecbcdd447e92180449df3ed67a97a97be0f48bdaebdfcc871b8f8c309ba47
SHA5125ae380ce55b3e9a8eda45b61127706f6871baf1633346bff7db0b640a0fdf7f2ddb4d558fa63c8688dc518fe563c5f35667ec8fdda94697792183e7676a95f1e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec