Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
24-10-2023 12:35
Static task
static1
General
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Target
f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe
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Size
4.1MB
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MD5
678c2aacf67c4136f54fca5e0018a0fe
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SHA1
cf2bc124b41532a495ebf1fabef253120d292132
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SHA256
f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7
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SHA512
6c37f61dfa2b01786661e207bcc87835db1ef5f1a8fe4c8568351e633692990b7f1d5f71ff7daa29b54e626d482cb998d4667039da1c145ad52cb0edfee87120
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SSDEEP
98304:KerVYOIxC4S9UED7/3iDAzn4vCVV+ayMKt9nOlg58+s:7VYOI8DD7/3iDE8A+ayMuVlC/
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/116-2-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/116-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-22-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral1/memory/116-25-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/116-57-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4364-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4364-76-0x0000000002940000-0x0000000002D3B000-memory.dmp family_glupteba behavioral1/memory/4364-92-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4364-150-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4364-156-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-225-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-261-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1636-283-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1956 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1636 csrss.exe 1932 injector.exe 2852 windefender.exe 3208 windefender.exe 4380 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x0007000000022e15-264.dat upx behavioral1/files/0x0007000000022e15-266.dat upx behavioral1/files/0x0007000000022e15-267.dat upx behavioral1/memory/2852-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3208-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3208-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0006000000022e16-279.dat upx behavioral1/files/0x0006000000022e16-281.dat upx behavioral1/memory/3208-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4380-284-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4380-286-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\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 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 -
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 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe File created C:\Windows\rss\csrss.exe f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.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 4188 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 724 schtasks.exe 3628 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 212 powershell.exe 212 powershell.exe 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 2136 powershell.exe 2136 powershell.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 4844 powershell.exe 4844 powershell.exe 2052 powershell.exe 2052 powershell.exe 3824 powershell.exe 3824 powershell.exe 112 powershell.exe 112 powershell.exe 3040 powershell.exe 3040 powershell.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1636 csrss.exe 1636 csrss.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1636 csrss.exe 1636 csrss.exe 1932 injector.exe 1932 injector.exe 1636 csrss.exe 1636 csrss.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe 1932 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Token: SeImpersonatePrivilege 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 112 powershell.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeSystemEnvironmentPrivilege 1636 csrss.exe Token: SeSecurityPrivilege 4188 sc.exe Token: SeSecurityPrivilege 4188 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 116 wrote to memory of 212 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 87 PID 116 wrote to memory of 212 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 87 PID 116 wrote to memory of 212 116 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 87 PID 4364 wrote to memory of 2136 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 92 PID 4364 wrote to memory of 2136 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 92 PID 4364 wrote to memory of 2136 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 92 PID 4364 wrote to memory of 3140 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 94 PID 4364 wrote to memory of 3140 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 94 PID 3140 wrote to memory of 1956 3140 cmd.exe 97 PID 3140 wrote to memory of 1956 3140 cmd.exe 97 PID 4364 wrote to memory of 4844 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 98 PID 4364 wrote to memory of 4844 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 98 PID 4364 wrote to memory of 4844 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 98 PID 4364 wrote to memory of 2052 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 100 PID 4364 wrote to memory of 2052 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 100 PID 4364 wrote to memory of 2052 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 100 PID 4364 wrote to memory of 1636 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 102 PID 4364 wrote to memory of 1636 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 102 PID 4364 wrote to memory of 1636 4364 f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe 102 PID 1636 wrote to memory of 3824 1636 csrss.exe 104 PID 1636 wrote to memory of 3824 1636 csrss.exe 104 PID 1636 wrote to memory of 3824 1636 csrss.exe 104 PID 1636 wrote to memory of 112 1636 csrss.exe 110 PID 1636 wrote to memory of 112 1636 csrss.exe 110 PID 1636 wrote to memory of 112 1636 csrss.exe 110 PID 1636 wrote to memory of 3040 1636 csrss.exe 112 PID 1636 wrote to memory of 3040 1636 csrss.exe 112 PID 1636 wrote to memory of 3040 1636 csrss.exe 112 PID 1636 wrote to memory of 1932 1636 csrss.exe 114 PID 1636 wrote to memory of 1932 1636 csrss.exe 114 PID 2852 wrote to memory of 4844 2852 windefender.exe 120 PID 2852 wrote to memory of 4844 2852 windefender.exe 120 PID 2852 wrote to memory of 4844 2852 windefender.exe 120 PID 4844 wrote to memory of 4188 4844 cmd.exe 121 PID 4844 wrote to memory of 4188 4844 cmd.exe 121 PID 4844 wrote to memory of 4188 4844 cmd.exe 121 PID 1636 wrote to memory of 4380 1636 csrss.exe 123 PID 1636 wrote to memory of 4380 1636 csrss.exe 123 PID 1636 wrote to memory of 4380 1636 csrss.exe 123 -
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\f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe"C:\Users\Admin\AppData\Local\Temp\f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:212
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C:\Users\Admin\AppData\Local\Temp\f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.exe"C:\Users\Admin\AppData\Local\Temp\f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7.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:4364 -
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:2136
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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:3140 -
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:1956
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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:4844
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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:2052
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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:1636 -
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:3824
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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:724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2872
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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:112
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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:3040
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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:1932
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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:3628
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2852 -
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:4844 -
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:4188
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4380 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:872
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3208
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5ed8b30aba5fa4c6e95d46cce49a81318
SHA1490366df02ab6b9cf00caef4a9a962300776f12c
SHA25694d5d96690dfe3f6a16c7bd3631e0f07ceae09b7522799a66598d36f300d78b2
SHA512086f2b5eabdbe8f113e30d65809e77c48eec9451ed440978f4d0b254199ef0c4181daba63009c0c10f86de054eed0f3082c56bc1a2556bf9a9e9e2e604a049ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b63cdce19790a34e5ee77abb75ac7a08
SHA136b087883c647300606dac83ff27963168eeba34
SHA2560f4c00576722e0616b2754a3fe7e2cb34b9bf354f812e88343b9e5474bf1e6da
SHA5126f0e769d03ee36140264d6a49fec746f32ae4faacdf092c83c1f5c3359f2874960e7e678453119d62715118afed9f8b3373dffc4b41ea19ec4e453dce200fc79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53832380799e9c23ec0cbe4d4c3913331
SHA16d2e88f76695a3756bc80c8c264ce3400d16cd55
SHA256189ed669fe4b0fdfa5210253c2cea3c78e1ae0c2753abaa248ecb011e1e17853
SHA512c476fda2ea28cc2e57973c7893f7e5e0ec8ab376fa58352b373fdaf1c9111243137dd710f9c18060ac18bf530369da28c8dbc8b63acca7252cc7a022492869a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f64ddc38d4789f29b281c6a24b07134
SHA18d594ae82436bb65e326402bd9cd7fa8972dd185
SHA256a5907b180bd88e903f0f25b0c2c27beb1f972851df5740c496f152b80c4905b8
SHA5123f4991f3594b1a291c5b9455c1e48b3355994ab65cd99c3ea5e2b55ee92e87bd5a59c176e1d9cc48df6db4c9593c5750d8b6ecb3017a82895db7c9af650a2d46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c87cbd5373d104f5d409512e941c9a5b
SHA18afc00541af25ab4a9784ebb82d4b3f417c04377
SHA2567704c3dd4abe374c726705ccae00e1868dbd638862f0b4e4d0aa55475a173cc1
SHA5122807677cbe5703b516037edf08428b32243fa0066b00a03e29331e8700246ad0f4571820874961828abc21c0bde395d8cb5c9b6a0c69501977332d64795a077d
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Filesize
4.1MB
MD5678c2aacf67c4136f54fca5e0018a0fe
SHA1cf2bc124b41532a495ebf1fabef253120d292132
SHA256f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7
SHA5126c37f61dfa2b01786661e207bcc87835db1ef5f1a8fe4c8568351e633692990b7f1d5f71ff7daa29b54e626d482cb998d4667039da1c145ad52cb0edfee87120
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Filesize
4.1MB
MD5678c2aacf67c4136f54fca5e0018a0fe
SHA1cf2bc124b41532a495ebf1fabef253120d292132
SHA256f671d94682b72a8836a75719cc597b58129a4bf69beee93558683fa279b669b7
SHA5126c37f61dfa2b01786661e207bcc87835db1ef5f1a8fe4c8568351e633692990b7f1d5f71ff7daa29b54e626d482cb998d4667039da1c145ad52cb0edfee87120
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec