Analysis
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max time kernel
149s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/04/2024, 15:31
Static task
static1
Behavioral task
behavioral1
Sample
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe
Resource
win10v2004-20240226-en
General
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Target
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe
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Size
4.2MB
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MD5
2feff1347e8d8070f7c7fb13a2445769
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SHA1
3613e9a80d23bf7a1baec54c60fa6e66d33c250a
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SHA256
fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1
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SHA512
170037b0c6af14851e9cc435aa9af8b3ea62039f6434a97f9656eaf035af5204c3934bad7d9723d07a8d61e6a09407115cbd1e656254ba7c80c2b7547548eb4a
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SSDEEP
98304:0A2b/gyyoCeaK1nZALAHJsOWqOFSziCqThhMPSDvDpMEvsOH:D2bYyYeaK1ZA827grTPop1vr
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2360-2-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/2360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2360-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2360-54-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/4704-57-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/4704-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4704-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4704-120-0x0000000002AA0000-0x0000000002E9D000-memory.dmp family_glupteba behavioral2/memory/4704-154-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1004-293-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2248 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1004 csrss.exe 2996 injector.exe 1096 windefender.exe 3228 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7d8-257.dat upx behavioral2/memory/1096-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3228-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3228-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 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 -
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 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe File created C:\Windows\rss\csrss.exe fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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 4020 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 4316 schtasks.exe 4740 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1368 powershell.exe 1368 powershell.exe 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4896 powershell.exe 4896 powershell.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 3536 powershell.exe 3536 powershell.exe 1816 powershell.exe 1816 powershell.exe 1992 powershell.exe 1992 powershell.exe 2612 powershell.exe 2612 powershell.exe 4260 powershell.exe 4260 powershell.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 1004 csrss.exe 1004 csrss.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 1004 csrss.exe 1004 csrss.exe 2996 injector.exe 2996 injector.exe 1004 csrss.exe 1004 csrss.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe 2996 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Token: SeImpersonatePrivilege 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 2612 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeSystemEnvironmentPrivilege 1004 csrss.exe Token: SeSecurityPrivilege 4020 sc.exe Token: SeSecurityPrivilege 4020 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1368 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 79 PID 2360 wrote to memory of 1368 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 79 PID 2360 wrote to memory of 1368 2360 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 79 PID 4704 wrote to memory of 4896 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 84 PID 4704 wrote to memory of 4896 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 84 PID 4704 wrote to memory of 4896 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 84 PID 4704 wrote to memory of 776 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 86 PID 4704 wrote to memory of 776 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 86 PID 776 wrote to memory of 2248 776 cmd.exe 88 PID 776 wrote to memory of 2248 776 cmd.exe 88 PID 4704 wrote to memory of 3536 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 89 PID 4704 wrote to memory of 3536 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 89 PID 4704 wrote to memory of 3536 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 89 PID 4704 wrote to memory of 1816 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 91 PID 4704 wrote to memory of 1816 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 91 PID 4704 wrote to memory of 1816 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 91 PID 4704 wrote to memory of 1004 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 93 PID 4704 wrote to memory of 1004 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 93 PID 4704 wrote to memory of 1004 4704 fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe 93 PID 1004 wrote to memory of 1992 1004 csrss.exe 94 PID 1004 wrote to memory of 1992 1004 csrss.exe 94 PID 1004 wrote to memory of 1992 1004 csrss.exe 94 PID 1004 wrote to memory of 2612 1004 csrss.exe 100 PID 1004 wrote to memory of 2612 1004 csrss.exe 100 PID 1004 wrote to memory of 2612 1004 csrss.exe 100 PID 1004 wrote to memory of 4260 1004 csrss.exe 102 PID 1004 wrote to memory of 4260 1004 csrss.exe 102 PID 1004 wrote to memory of 4260 1004 csrss.exe 102 PID 1004 wrote to memory of 2996 1004 csrss.exe 104 PID 1004 wrote to memory of 2996 1004 csrss.exe 104 PID 1096 wrote to memory of 1248 1096 windefender.exe 110 PID 1096 wrote to memory of 1248 1096 windefender.exe 110 PID 1096 wrote to memory of 1248 1096 windefender.exe 110 PID 1248 wrote to memory of 4020 1248 cmd.exe 111 PID 1248 wrote to memory of 4020 1248 cmd.exe 111 PID 1248 wrote to memory of 4020 1248 cmd.exe 111 -
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\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368
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C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.exe"C:\Users\Admin\AppData\Local\Temp\fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1.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:4704 -
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:4896
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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:776 -
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:2248
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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:3536
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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:1816
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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:1004 -
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:1992
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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:4316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5080
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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:2612
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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:4260
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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:2996
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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:4740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1096 -
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:1248 -
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:4020
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3228
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
MD5a2e087a2e832ec9118093fdda483a54d
SHA129f5e4f647d2f941c802dba044b2a3feea3883cd
SHA2569811698df086a6aa3aa351d144c08667e861473f3c26dbcde714bc8ff3e9dc34
SHA512136202623ce3591d606f80eae3964a222994270dc0f7e520e044679ee40b0f419b8215bc83f8876d35f573e976a05cded7252f9c1c863db43b93809d3d6f5920
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519bde56d9bab8ee5c9abebe04287949d
SHA1499593a205bbe548530032cdc61dc306ff908737
SHA25632c50db2df67b81936c770bac6dc9efb72ad8aefbca41b03ae5b4ec4f9332aa5
SHA51289adbeb50fd2a1241590081dad701e4bc1d05bd6e2b2330188fd45c94794d86a2e08af8c0469b889a32a995b58b0e72775a10e9f1d19bcc637fdd526f53c9113
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e41b4682da97043c734f6945494fff5f
SHA14d7ffaa6df7a1537fec822a18892859fad1b07e1
SHA256bd3e6ca41e073a325b792c9daa5d9123780873ff31ddaef888432ffbd6c3e83e
SHA512747807360552f1ff475e48500ab47fd5030dc2258e96461a3fe564c5ec19d031d09fcab7d9d8cd6b675ef0b79ea02cbfd3a171934c8f52055312835141082303
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb78e5733d38639c277f2f0ea14c2578
SHA1d648168360ee17770b9b6870794a0845ae0bc91a
SHA256aff74237fec8c4a7f15c4cce6475815e3c7ce3f5efb162888eb2e22f978e31ab
SHA5125e208789393f40db93a2b1161017b44e9ffcd949b8ced2fb83a356b6f28a3caff06f1d1dacc8d8cbdcae96fe84532e6829f21ea9406c7c482445f475c1c70fd5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f77e70bebfea97fece0d78eeda170a65
SHA1427fc808e42a1e2df0eb6c332b420aa1e37abd90
SHA256f5c06399a1caacacbc12779d8c0fb6e13dc4fc8611f1bb82ef152334dd6656f3
SHA512567f10060c9770b69ddf9b8c29d1878bc0aed57ccb4dc4db056fc1f9a432fc0b760bb496fd6e2d4fac6ab5c8ad6d0b861c8cc2a57cf6fb08e309bf5cab1d9685
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Filesize
4.2MB
MD52feff1347e8d8070f7c7fb13a2445769
SHA13613e9a80d23bf7a1baec54c60fa6e66d33c250a
SHA256fd75084501a2c9ba470a6c6d94a6833ec225bf7e85e00e2efa31e012e3f696d1
SHA512170037b0c6af14851e9cc435aa9af8b3ea62039f6434a97f9656eaf035af5204c3934bad7d9723d07a8d61e6a09407115cbd1e656254ba7c80c2b7547548eb4a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec