Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 07:57
Static task
static1
Behavioral task
behavioral1
Sample
ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe
Resource
win10v2004-20240226-en
General
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Target
ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe
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Size
4.2MB
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MD5
bcca26f6d80f2b55a921d856dd925199
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SHA1
51c1958eb21c73fb9f2366bde83f5044aeb840b3
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SHA256
ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa
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SHA512
991ab54a8e5c2e3d035cf7a0498ba2b8627e00a22a27caf9439b3d2f6f68080a31387656af74b2357c2b72324ec364e4f4698dfaefd224da9e10e413e9335614
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SSDEEP
98304:HWYTD4CiRAXSuxVnp+h0WN3qbzsOgCkg0/uBam+HdHFr6kR:HWYDyEfm0WN3qbzs94alHdHFL
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3128-2-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral1/memory/3128-3-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/3128-54-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/1240-57-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral1/memory/1240-58-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/1240-155-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-259-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-268-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-270-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-272-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-274-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-276-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-278-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-280-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-282-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-284-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-286-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-288-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral1/memory/5064-290-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2004 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5064 csrss.exe 3144 injector.exe 2240 windefender.exe 5040 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023243-263.dat upx behavioral1/memory/2240-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5040-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5040-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\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 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe File created C:\Windows\rss\csrss.exe ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.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 4600 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 5040 3128 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1428 schtasks.exe 5096 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-362 = "GTB Standard 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,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.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,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2182 = "Astrakhan Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4676 powershell.exe 4676 powershell.exe 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1900 powershell.exe 1900 powershell.exe 1900 powershell.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 4408 powershell.exe 4408 powershell.exe 4408 powershell.exe 2068 powershell.exe 2068 powershell.exe 2068 powershell.exe 3124 powershell.exe 3124 powershell.exe 3124 powershell.exe 3856 powershell.exe 3856 powershell.exe 3856 powershell.exe 3620 powershell.exe 3620 powershell.exe 3620 powershell.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 5064 csrss.exe 5064 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 5064 csrss.exe 5064 csrss.exe 3144 injector.exe 3144 injector.exe 5064 csrss.exe 5064 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Token: SeImpersonatePrivilege 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeSystemEnvironmentPrivilege 5064 csrss.exe Token: SeSecurityPrivilege 4600 sc.exe Token: SeSecurityPrivilege 4600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3128 wrote to memory of 4676 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 90 PID 3128 wrote to memory of 4676 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 90 PID 3128 wrote to memory of 4676 3128 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 90 PID 1240 wrote to memory of 1900 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 102 PID 1240 wrote to memory of 1900 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 102 PID 1240 wrote to memory of 1900 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 102 PID 1240 wrote to memory of 2492 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 104 PID 1240 wrote to memory of 2492 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 104 PID 2492 wrote to memory of 2004 2492 cmd.exe 106 PID 2492 wrote to memory of 2004 2492 cmd.exe 106 PID 1240 wrote to memory of 4408 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 107 PID 1240 wrote to memory of 4408 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 107 PID 1240 wrote to memory of 4408 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 107 PID 1240 wrote to memory of 2068 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 125 PID 1240 wrote to memory of 2068 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 125 PID 1240 wrote to memory of 2068 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 125 PID 1240 wrote to memory of 5064 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 113 PID 1240 wrote to memory of 5064 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 113 PID 1240 wrote to memory of 5064 1240 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 113 PID 5064 wrote to memory of 3124 5064 csrss.exe 114 PID 5064 wrote to memory of 3124 5064 csrss.exe 114 PID 5064 wrote to memory of 3124 5064 csrss.exe 114 PID 5064 wrote to memory of 3856 5064 csrss.exe 120 PID 5064 wrote to memory of 3856 5064 csrss.exe 120 PID 5064 wrote to memory of 3856 5064 csrss.exe 120 PID 5064 wrote to memory of 3620 5064 csrss.exe 122 PID 5064 wrote to memory of 3620 5064 csrss.exe 122 PID 5064 wrote to memory of 3620 5064 csrss.exe 122 PID 5064 wrote to memory of 3144 5064 csrss.exe 124 PID 5064 wrote to memory of 3144 5064 csrss.exe 124 PID 2240 wrote to memory of 2812 2240 windefender.exe 130 PID 2240 wrote to memory of 2812 2240 windefender.exe 130 PID 2240 wrote to memory of 2812 2240 windefender.exe 130 PID 2812 wrote to memory of 4600 2812 cmd.exe 131 PID 2812 wrote to memory of 4600 2812 cmd.exe 131 PID 2812 wrote to memory of 4600 2812 cmd.exe 131 -
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\ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe"C:\Users\Admin\AppData\Local\Temp\ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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C:\Users\Admin\AppData\Local\Temp\ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe"C:\Users\Admin\AppData\Local\Temp\ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.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:1240 -
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:1900
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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:2492 -
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:2004
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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:4408
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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:2068
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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:5064 -
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:3124
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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:1428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2176
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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:3856
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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:3620
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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:3144 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2068
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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:5096
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2240 -
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:2812 -
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:4600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 7802⤵
- Program crash
PID:5040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3128 -ip 31281⤵PID:1376
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5040
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
MD5b100ea082fe7eb2b88ff50b912c9a677
SHA153a0971f30a039be988b15d8e99041e94198be5c
SHA25602bd8469dd2a1c5eea6e1f26d3db3b7e4b1a5bf87ba04bf05a8078c60487d149
SHA512f37c679293ea8b19201cdc5f50b8ae4df2cdc3f02621ac3c4b972bb294a0844ce549cc3048d74dec7c564122c6c023f377ed423826f5a4c8b9c68b818a9b9a61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570d868828a26f87f8209e42946f59305
SHA17f7b8917b6040c2b24d020edbdf3739ac8e34e3a
SHA256dbafb6ca82b45334f91f19dd4a6ac65442c2b8410de862f96bb5c0e62559a897
SHA5126fb1263ec8b39a37d02da91f8a497e3d25a09ed0071d9631d562cabd8df5fcd32790dd136a48e556003f91098ea123aefcc4282fd060bbb829fc861f3c11ba81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a1bc3649082d154b23c1e7b2f58e3cb
SHA17a5ee32e4705f0344617e222b850660bb51f3187
SHA25655e39eb2abc6169baf17ef2eecd91cacb3604bad983b2e17e685d158f775bdf0
SHA512739aed0a1620e4e9aee0f49fcb540d306be38462f258c423142d4d9607683e9c20a4d0fcca2810bf630c0f158fc02de07659e507a4c39ca9e97ae584c49ae237
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59dc71978fd5ac204beea1c18a83aaaf3
SHA114530b69284780f5c43a974f2933773df4cce804
SHA25646e310334cdfe12b940f06f75f152a9797a554b5379fb26922c19a9f7c72c723
SHA51237be4591711a599c92a2dea816ef20cbf430e82f4a05f1f60509041ee2295d454f592f496a80cb34daf9f09835758c81e63a1bd8934a99e22814e4c8d5ff56a7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b56118ece0c7f1042382912eee0e6b0
SHA1a6e9c0e2fe93d57e51badd0c2d4c7ff7337bf2de
SHA2565cf27bc5f9d229c45619bca99117d66bfae75c1012867dda233944dae3563e8e
SHA51217eee29c4a5389c0b01a206cc27a3348ce0112a458f50b9d95113eb1b422355823079dafd927b7b1b39e8fc73364eb55acf3596c563d1069b5d5a5d721f6e276
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Filesize
4.2MB
MD5bcca26f6d80f2b55a921d856dd925199
SHA151c1958eb21c73fb9f2366bde83f5044aeb840b3
SHA256ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa
SHA512991ab54a8e5c2e3d035cf7a0498ba2b8627e00a22a27caf9439b3d2f6f68080a31387656af74b2357c2b72324ec364e4f4698dfaefd224da9e10e413e9335614
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec