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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1596-2-0x00000000064A0000-0x0000000006D8B000-memory.dmp family_glupteba behavioral1/memory/1596-3-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1596-63-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/3748-152-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1596-155-0x00000000064A0000-0x0000000006D8B000-memory.dmp family_glupteba behavioral1/memory/1016-157-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-215-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-218-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-220-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-223-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-226-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-228-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-233-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-236-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-238-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-241-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-244-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba behavioral1/memory/1016-246-0x0000000000400000-0x0000000004420000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4224 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1016 csrss.exe 4232 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe File created C:\Windows\rss\csrss.exe ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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 1956 schtasks.exe 2992 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-401 = "Arabic Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1040 powershell.exe 1040 powershell.exe 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 4840 powershell.exe 4840 powershell.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 3464 powershell.exe 3464 powershell.exe 2572 powershell.exe 2572 powershell.exe 3868 powershell.exe 3868 powershell.exe 4236 powershell.exe 4236 powershell.exe 1036 powershell.exe 1036 powershell.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 1016 csrss.exe 1016 csrss.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 1016 csrss.exe 1016 csrss.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe 4232 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1040 powershell.exe Token: SeDebugPrivilege 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Token: SeImpersonatePrivilege 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 2572 powershell.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 1036 powershell.exe Token: SeSystemEnvironmentPrivilege 1016 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1596 wrote to memory of 1040 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 89 PID 1596 wrote to memory of 1040 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 89 PID 1596 wrote to memory of 1040 1596 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 89 PID 3748 wrote to memory of 4840 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 3748 wrote to memory of 4840 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 3748 wrote to memory of 4840 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 95 PID 3748 wrote to memory of 1072 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 97 PID 3748 wrote to memory of 1072 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 97 PID 1072 wrote to memory of 4224 1072 cmd.exe 99 PID 1072 wrote to memory of 4224 1072 cmd.exe 99 PID 3748 wrote to memory of 3464 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 100 PID 3748 wrote to memory of 3464 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 100 PID 3748 wrote to memory of 3464 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 100 PID 3748 wrote to memory of 2572 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 102 PID 3748 wrote to memory of 2572 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 102 PID 3748 wrote to memory of 2572 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 102 PID 3748 wrote to memory of 1016 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 104 PID 3748 wrote to memory of 1016 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 104 PID 3748 wrote to memory of 1016 3748 ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5.exe 104 PID 1016 wrote to memory of 3868 1016 csrss.exe 105 PID 1016 wrote to memory of 3868 1016 csrss.exe 105 PID 1016 wrote to memory of 3868 1016 csrss.exe 105 PID 1016 wrote to memory of 4236 1016 csrss.exe 111 PID 1016 wrote to memory of 4236 1016 csrss.exe 111 PID 1016 wrote to memory of 4236 1016 csrss.exe 111 PID 1016 wrote to memory of 1036 1016 csrss.exe 114 PID 1016 wrote to memory of 1036 1016 csrss.exe 114 PID 1016 wrote to memory of 1036 1016 csrss.exe 114 PID 1016 wrote to memory of 4232 1016 csrss.exe 116 PID 1016 wrote to memory of 4232 1016 csrss.exe 116 -
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:1596 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1040
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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:3748 -
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:4840
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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:1072 -
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:4224
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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:3464
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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:2572
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016 -
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:3868
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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:1956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1880
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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:4236
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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:1036
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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:4232
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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:2992
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567c73b66c838370424d0633dcd972c94
SHA12f1c5f99bdac55f6f7a5108f0d4ee0bb03be684a
SHA2563765953d257f69715805bd1205da2341412172ffac8c004240bb099c2b8b8356
SHA512e585af4a382f193978993a7fe487920ea45790a3338392d7b855f0f2e14451f577ab35b466ba8baf6f15d153e82cd1d488b4fce41034f603e3e608488192b896
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e804e5fc36a8aa29eb900943ed5e16f6
SHA153bb85a39687e35155731e87586a1136bbdf65de
SHA25652224d477201422531adf00a2a21d39454ca0b53f27133bce52a3a8ce459e660
SHA51299825ceaeb33e19dfc929987dcc8c298955a23ca47b93a9148f8f320be6bb0f4b7a5bbb05bfce497440d653111ceec1041beab88a444be33188e81be3896588f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f862517dfd07585b7701b4395b8983f8
SHA1cd8d8cd5bab40d2200b47a480159be1a2eb41ee2
SHA2569b7ae21d19e900140a46564a9de50cd3d127b6e7b08d06d7d4bcdb8ccfd8f9d0
SHA5125a2aed196f7443740fcea74b689f41f95a53b845f1f2318115bd4150ef433e405b793db86436480943ac823de51acabc5a1e59edf42d6191a5223f52f8b1dc59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512502663c8be17e2be80249910c0c4ac
SHA11c0f16d29d9dfe97d6fe2f1cee39742a406201fd
SHA256a64dc7debd2527b0218b922dd359ca07f49ceadaa5f9cc5afe9d10672e9e1f0b
SHA51218dbe4d89aa232c834252b7fc2dab77005ab68675f7eb6a4950fb485a4a8ac1e59ee920943014f1e64511ab198eb1f71f5710fc9d520dad1a1c5e4da95ed0883
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57956c181520e9229fc8df66b01344756
SHA10811c64accc087038077421d2c1f074282bb1fb1
SHA2569395e088f05c94cac636e091aee872e5635bd441ad23d90a27ec39ebffedfa95
SHA51201f2574e540f0bbeecce87ee10bb722c30ec3ffdd092e7e8a5e46239e091f81b2b644615cba49b840bb1ea7eb03be0ff003d9ce0215e55784f1ec39a82f2b062
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Filesize
4.2MB
MD5a448b0a6b69956fa7cdc7f7b0c6eb8ed
SHA130b76223109b5f320663ff670b722f2f59d5b524
SHA256ccb2ddb153ce168d0542cc01061fa37025830cd8f01a5c368a58b8ae3d51cce5
SHA5121227bf082b468e0c502a8070049e7e657407c0c55676d5da33881fdc0253e73816b81180af343c108c0b92db50f4baf2342cb189f6ea8be1beb092b4c653ae8a