Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-04-2024 20:33
Static task
static1
Behavioral task
behavioral1
Sample
ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe
Resource
win10v2004-20240419-en
General
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Target
ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe
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Size
4.2MB
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MD5
a448b0a6b69956fa7cdc7f7b0c6eb8ed
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SHA1
30b76223109b5f320663ff670b722f2f59d5b524
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SHA256
ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5
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SHA512
1227bf082b468e0c502a8070049e7e657407c0c55676d5da33881fdc0253e73816b81180af343c108c0b92db50f4baf2342cb189f6ea8be1beb092b4c653ae8a
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SSDEEP
98304:q2m5eOYCD1ID98VF2Kih+6YxfniOeVNR3JpIP6GA7sf3HgV11Gd:q2m5BYCDY8uVjYxfniXVNFJ2yR7sfQVM
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1196-2-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/1196-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/1196-104-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/1196-143-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/2352-133-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-197-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-209-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-213-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-217-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-222-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-225-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-229-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-233-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-238-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-242-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-245-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-249-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral2/memory/4400-253-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1400 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4400 csrss.exe 3440 injector.exe 2992 windefender.exe 1996 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9da-201.dat upx behavioral2/memory/2992-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1996-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2992-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1996-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1996-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 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 -
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 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe File created C:\Windows\rss\csrss.exe ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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 1304 sc.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 4332 schtasks.exe 1108 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,-432 = "Iran Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.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,-2892 = "Sudan Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan 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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1656 powershell.exe 1656 powershell.exe 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2276 powershell.exe 2276 powershell.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 2160 powershell.exe 2160 powershell.exe 2128 powershell.exe 2128 powershell.exe 4904 powershell.exe 4904 powershell.exe 3376 powershell.exe 3376 powershell.exe 4812 powershell.exe 4812 powershell.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 4400 csrss.exe 4400 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 4400 csrss.exe 4400 csrss.exe 3440 injector.exe 3440 injector.exe 4400 csrss.exe 4400 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Token: SeImpersonatePrivilege 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeSystemEnvironmentPrivilege 4400 csrss.exe Token: SeSecurityPrivilege 1304 sc.exe Token: SeSecurityPrivilege 1304 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1196 wrote to memory of 1656 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 81 PID 1196 wrote to memory of 1656 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 81 PID 1196 wrote to memory of 1656 1196 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 81 PID 2352 wrote to memory of 2276 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 86 PID 2352 wrote to memory of 2276 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 86 PID 2352 wrote to memory of 2276 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 86 PID 2352 wrote to memory of 4220 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 88 PID 2352 wrote to memory of 4220 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 88 PID 4220 wrote to memory of 1400 4220 cmd.exe 90 PID 4220 wrote to memory of 1400 4220 cmd.exe 90 PID 2352 wrote to memory of 2160 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 91 PID 2352 wrote to memory of 2160 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 91 PID 2352 wrote to memory of 2160 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 91 PID 2352 wrote to memory of 2128 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 93 PID 2352 wrote to memory of 2128 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 93 PID 2352 wrote to memory of 2128 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 93 PID 2352 wrote to memory of 4400 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 2352 wrote to memory of 4400 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 2352 wrote to memory of 4400 2352 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 4400 wrote to memory of 4904 4400 csrss.exe 96 PID 4400 wrote to memory of 4904 4400 csrss.exe 96 PID 4400 wrote to memory of 4904 4400 csrss.exe 96 PID 4400 wrote to memory of 3376 4400 csrss.exe 102 PID 4400 wrote to memory of 3376 4400 csrss.exe 102 PID 4400 wrote to memory of 3376 4400 csrss.exe 102 PID 4400 wrote to memory of 4812 4400 csrss.exe 104 PID 4400 wrote to memory of 4812 4400 csrss.exe 104 PID 4400 wrote to memory of 4812 4400 csrss.exe 104 PID 4400 wrote to memory of 3440 4400 csrss.exe 106 PID 4400 wrote to memory of 3440 4400 csrss.exe 106 PID 2992 wrote to memory of 2920 2992 windefender.exe 112 PID 2992 wrote to memory of 2920 2992 windefender.exe 112 PID 2992 wrote to memory of 2920 2992 windefender.exe 112 PID 2920 wrote to memory of 1304 2920 cmd.exe 113 PID 2920 wrote to memory of 1304 2920 cmd.exe 113 PID 2920 wrote to memory of 1304 2920 cmd.exe 113 -
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\ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe"C:\Users\Admin\AppData\Local\Temp\ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
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C:\Users\Admin\AppData\Local\Temp\ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe"C:\Users\Admin\AppData\Local\Temp\ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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:2352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276
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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:4220 -
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:1400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128
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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:4400 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4904
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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:4332
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4044
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4812
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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:3440
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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:1108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2992 -
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:2920 -
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:1304
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1996
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536f2f6aea46be35ddee3301ca994ae01
SHA1145e462bfb3f5e0880cc67cf3811ff5adee02b6f
SHA256ade3697e16a6c991f1d4d89a12afe2f34d689d6c3dbbdfdf65df9d5059921e25
SHA51286dcd37fdfb4a7cde8e59aada944e0d745bf6cab65e8273cfae5ad503846391116a1243d6702eaa2bbdbd8f7616b7ad78efcecce12b6133d5c2c9f2379553dc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5941ac750bfc55bc3b7d9172c0e7e3885
SHA1bc258b0f46f6dc9b54692e50b8e9336c59d139ee
SHA2569dfcb0d57751b31493efad86e974f3225d2e3365529467a52335d0f7d48dc783
SHA512975212b357d5a955f954398b533f14ac7bb9db6cb05948c920ca265f87c6ae270dd8ef8c8e4eeec6111f7ce6a3177dcc21b73068bfebd2a203a861a2ff57491b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52caf34efceb557290359628b3d5047b3
SHA1f336200941d46996c341f70f5595486246dd7a4e
SHA256c7f602298f1fc5680b95994c9d10a5cbca6364e63f930032dd0336dcaad120ca
SHA512a9e334aae0647f5331c8b3020e0bd04ddb1d401eda48c6b6da5d6200703f90cec26515d6a7bfc29bbd1428b253ebbfb20d2944c2ce7d59ed82d83adda8629192
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579451404367a87192bb3b09b33acaa26
SHA15ddc815f670bebb78ac5cd612ec35da3fdc41cc3
SHA256ccc927ca80fe172dbebdc5ceb8be293ce71b4573402df221998981d490c18dc0
SHA512e0482410aa405665ba91d1288e7a47810aadee90a6c6d3d174be4439534fc17a2f72e3ff38334cce2de1174fc1de8f3038144b0b6ea2d0c6ac54598b34f8b631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e742746ae66c754961b6edeb4f0b0397
SHA1b930a509196bbe973da43d90c6de3c79f85faf6d
SHA2565af6e443f0dc4390d98d64f6255f849bf3750eb194debe4228a3ed10603718dd
SHA512aa716cb64ff0a46306144fe3b45ff62724575a1d3ca21f77d194e737494e191414ceca979b06876c007f1be4866cc280cbd6d584790fd15e81ef35f6bbec4539
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Filesize
4.2MB
MD5a448b0a6b69956fa7cdc7f7b0c6eb8ed
SHA130b76223109b5f320663ff670b722f2f59d5b524
SHA256ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5
SHA5121227bf082b468e0c502a8070049e7e657407c0c55676d5da33881fdc0253e73816b81180af343c108c0b92db50f4baf2342cb189f6ea8be1beb092b4c653ae8a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec