Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-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 21 IoCs
resource yara_rule behavioral2/memory/360-2-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/360-3-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/360-47-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/360-54-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/360-55-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/5032-57-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/5032-71-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/5032-115-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/5032-117-0x0000000004E20000-0x0000000005222000-memory.dmp family_glupteba behavioral2/memory/5032-118-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/5032-149-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-212-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-245-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-254-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-256-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-258-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-260-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-262-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-264-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-266-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba behavioral2/memory/4352-268-0x0000000000400000-0x0000000003104000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4352 csrss.exe 2024 injector.exe 4820 windefender.exe 5052 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7ee-248.dat upx behavioral2/memory/4820-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5052-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 3568 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3524 360 WerFault.exe 78 592 5032 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 4428 schtasks.exe 2076 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,-2611 = "Bougainville Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.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\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.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,-371 = "Jerusalem Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan 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\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3528 powershell.exe 3528 powershell.exe 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 792 powershell.exe 792 powershell.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 3352 powershell.exe 3352 powershell.exe 768 powershell.exe 768 powershell.exe 3964 powershell.exe 3964 powershell.exe 2148 powershell.exe 2148 powershell.exe 4884 powershell.exe 4884 powershell.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4352 csrss.exe 4352 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4352 csrss.exe 4352 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4352 csrss.exe 4352 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Token: SeImpersonatePrivilege 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 4884 powershell.exe Token: SeSystemEnvironmentPrivilege 4352 csrss.exe Token: SeSecurityPrivilege 3568 sc.exe Token: SeSecurityPrivilege 3568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 360 wrote to memory of 3528 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 81 PID 360 wrote to memory of 3528 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 81 PID 360 wrote to memory of 3528 360 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 81 PID 5032 wrote to memory of 792 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 89 PID 5032 wrote to memory of 792 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 89 PID 5032 wrote to memory of 792 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 89 PID 5032 wrote to memory of 2080 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 91 PID 5032 wrote to memory of 2080 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 91 PID 2080 wrote to memory of 3372 2080 cmd.exe 93 PID 2080 wrote to memory of 3372 2080 cmd.exe 93 PID 5032 wrote to memory of 3352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 94 PID 5032 wrote to memory of 3352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 94 PID 5032 wrote to memory of 3352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 94 PID 5032 wrote to memory of 768 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 96 PID 5032 wrote to memory of 768 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 96 PID 5032 wrote to memory of 768 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 96 PID 5032 wrote to memory of 4352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 98 PID 5032 wrote to memory of 4352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 98 PID 5032 wrote to memory of 4352 5032 ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa.exe 98 PID 4352 wrote to memory of 3964 4352 csrss.exe 101 PID 4352 wrote to memory of 3964 4352 csrss.exe 101 PID 4352 wrote to memory of 3964 4352 csrss.exe 101 PID 4352 wrote to memory of 2148 4352 csrss.exe 107 PID 4352 wrote to memory of 2148 4352 csrss.exe 107 PID 4352 wrote to memory of 2148 4352 csrss.exe 107 PID 4352 wrote to memory of 4884 4352 csrss.exe 109 PID 4352 wrote to memory of 4884 4352 csrss.exe 109 PID 4352 wrote to memory of 4884 4352 csrss.exe 109 PID 4352 wrote to memory of 2024 4352 csrss.exe 111 PID 4352 wrote to memory of 2024 4352 csrss.exe 111 PID 4820 wrote to memory of 5076 4820 windefender.exe 117 PID 4820 wrote to memory of 5076 4820 windefender.exe 117 PID 4820 wrote to memory of 5076 4820 windefender.exe 117 PID 5076 wrote to memory of 3568 5076 cmd.exe 118 PID 5076 wrote to memory of 3568 5076 cmd.exe 118 PID 5076 wrote to memory of 3568 5076 cmd.exe 118 -
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:360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3528
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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:5032 -
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:792
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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:2080 -
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:3372
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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:3352
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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:768
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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:4352 -
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:3964
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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:2076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4204
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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:2148
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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:4884
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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:2024
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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:4428
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4820 -
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:5076 -
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:3568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 6963⤵
- Program crash
PID:592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 360 -s 9402⤵
- Program crash
PID:3524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 360 -ip 3601⤵PID:928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5032 -ip 50321⤵PID:4500
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5052
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
MD5146adaa7c1549794bb98fdb4b3c1af44
SHA17a0e5bb9bc9864d97f191bd2ec2dddfb289c32be
SHA25669d098402abe3e317821104ccec1349d084c2ab067c09fe1bdc6a370df126685
SHA512bc4f8ae072b09b9e94b4b143b5b5f0e06fe28c38e9e9a07fc9526b278d9a61efc1bc6a8608b46c005b8ad1305230905b7a92fc73c1e58f48111f377393d3f2f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba23086c5980f3e5764f7340488423f0
SHA1323ca58dcdd2ee7aedc29a27bf83514b21d538ca
SHA256d764ded2f4db39de9059d69313631dee3c6b009c651f64403056705b7caaa05b
SHA512e0d02917b3200d7033596162e9c85019bd3ad6548ca227280ccabe44a880b1fd6feb6e15407bfab2d7132552b02fa3f6fa75f92880cec29496f1b7ba8a4946b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff56539b47b4c468dc4738c4e1b4cea3
SHA13e477e3bd2bf533f3781d9c7b285605423b112ff
SHA256b7d0a67d8c86bf4438fc95b48a5df49b3e5b27b915e5468dbc1f3b882c583428
SHA5122ea220245b6139954cb2542fa97b784b50d7a399c6109fd5a21d6bd318eab8aa91f6bafd9870af6bc29126c7d079a17e93a240a41e8758f1a4e39fe0f882d514
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585768b7cad9198dc4b592ac2f7c5636b
SHA158b9cee5b4525492d4899e63ace6028dfecd5c0c
SHA25664683d96a00134c0f80786069499652acd06ff63bde92acc020aec1fa7ade87c
SHA5125b254aa597e75f2e3a5cb76dca5b48fefe9e7b31998f2123368633872547bf05fb1bf6098e1aad97dc929fc38f256f9d661464bb4e64989de48cf0b14157880b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503ce330df1c21d6353b3b269ef1855ff
SHA1e54c3e991427c6eac4dc06c1ef2dae624164284f
SHA256d22da12c9bddd48d89b8580a27cffe896903afc6ba121f6689dacfd0d7288814
SHA512840b3cb1236caed10c0d6ebe5bd5bf64c04bbd62d2a9d71d5d4295350d8b0e57bf89d54d99e92bd2b9882ae78268084ed9f1f5aaa8df3bfc67e27726becee34d
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Filesize
4.2MB
MD5bcca26f6d80f2b55a921d856dd925199
SHA151c1958eb21c73fb9f2366bde83f5044aeb840b3
SHA256ad174ba58eea4fc4bb55d543e49f97ad5e3c00bd626e096d29e95780c06423fa
SHA512991ab54a8e5c2e3d035cf7a0498ba2b8627e00a22a27caf9439b3d2f6f68080a31387656af74b2357c2b72324ec364e4f4698dfaefd224da9e10e413e9335614
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec