Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:17
Static task
static1
Behavioral task
behavioral1
Sample
ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe
Resource
win10v2004-20240508-en
General
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Target
ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe
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Size
4.1MB
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MD5
c2f217ca1bb8cf75c9cec7a762e23906
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SHA1
4cafb47746fd112d36e52977af6ffcd2a38e4a6e
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SHA256
ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d
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SHA512
2bcef9d3f2318167a1e56424395ae6777a4d13fe3bcd36edb7352bec9a357388f8529c8460b618df08617ffe9255b92f73fbcef82830bdfde638c191ad12f25d
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SSDEEP
98304:KoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/iK:KgrNPOj9FQvccBDkmyddxD3VFiK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4068-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/4068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4068-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4068-68-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral1/memory/4068-67-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4068-86-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2756-85-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2756-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-163-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-259-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4160-263-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4160 csrss.exe 4388 injector.exe 4812 windefender.exe 3212 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233de-225.dat upx behavioral1/memory/4812-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4812-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3212-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3212-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe File created C:\Windows\rss\csrss.exe ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.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 1156 sc.exe -
pid Process 3140 powershell.exe 2556 powershell.exe 4396 powershell.exe 2932 powershell.exe 3676 powershell.exe 2644 powershell.exe 3308 powershell.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 4100 schtasks.exe 3436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.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\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.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\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4396 powershell.exe 4396 powershell.exe 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2932 powershell.exe 2932 powershell.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 3676 powershell.exe 3676 powershell.exe 2644 powershell.exe 2644 powershell.exe 3308 powershell.exe 3308 powershell.exe 3140 powershell.exe 3140 powershell.exe 2556 powershell.exe 2556 powershell.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4160 csrss.exe 4388 injector.exe 4160 csrss.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4160 csrss.exe 4160 csrss.exe 4388 injector.exe 4388 injector.exe 4160 csrss.exe 4160 csrss.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4396 powershell.exe Token: SeDebugPrivilege 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Token: SeImpersonatePrivilege 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeSystemEnvironmentPrivilege 4160 csrss.exe Token: SeSecurityPrivilege 1156 sc.exe Token: SeSecurityPrivilege 1156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4068 wrote to memory of 4396 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 82 PID 4068 wrote to memory of 4396 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 82 PID 4068 wrote to memory of 4396 4068 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 82 PID 2756 wrote to memory of 2932 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 87 PID 2756 wrote to memory of 2932 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 87 PID 2756 wrote to memory of 2932 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 87 PID 2756 wrote to memory of 1152 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 89 PID 2756 wrote to memory of 1152 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 89 PID 1152 wrote to memory of 5096 1152 cmd.exe 91 PID 1152 wrote to memory of 5096 1152 cmd.exe 91 PID 2756 wrote to memory of 3676 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 92 PID 2756 wrote to memory of 3676 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 92 PID 2756 wrote to memory of 3676 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 92 PID 2756 wrote to memory of 2644 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 95 PID 2756 wrote to memory of 2644 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 95 PID 2756 wrote to memory of 2644 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 95 PID 2756 wrote to memory of 4160 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 97 PID 2756 wrote to memory of 4160 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 97 PID 2756 wrote to memory of 4160 2756 ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe 97 PID 4160 wrote to memory of 3308 4160 csrss.exe 98 PID 4160 wrote to memory of 3308 4160 csrss.exe 98 PID 4160 wrote to memory of 3308 4160 csrss.exe 98 PID 4160 wrote to memory of 3140 4160 csrss.exe 103 PID 4160 wrote to memory of 3140 4160 csrss.exe 103 PID 4160 wrote to memory of 3140 4160 csrss.exe 103 PID 4160 wrote to memory of 2556 4160 csrss.exe 106 PID 4160 wrote to memory of 2556 4160 csrss.exe 106 PID 4160 wrote to memory of 2556 4160 csrss.exe 106 PID 4160 wrote to memory of 4388 4160 csrss.exe 108 PID 4160 wrote to memory of 4388 4160 csrss.exe 108 PID 4812 wrote to memory of 3320 4812 windefender.exe 114 PID 4812 wrote to memory of 3320 4812 windefender.exe 114 PID 4812 wrote to memory of 3320 4812 windefender.exe 114 PID 3320 wrote to memory of 1156 3320 cmd.exe 115 PID 3320 wrote to memory of 1156 3320 cmd.exe 115 PID 3320 wrote to memory of 1156 3320 cmd.exe 115 -
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\ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe"C:\Users\Admin\AppData\Local\Temp\ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396
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C:\Users\Admin\AppData\Local\Temp\ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.exe"C:\Users\Admin\AppData\Local\Temp\ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d.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:2756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2932
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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:1152 -
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:5096
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3676
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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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:4160 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308
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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:4100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1044
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2556
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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:4388
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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:3436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4812 -
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:3320 -
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:1156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3212
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7832cf220eef136fec6dbc741dde329
SHA1d7e3278fd5968fe234442b9a547169c243a3309f
SHA2563f9b28f4a61343c470031a1809363619ed85aa655e1fa2211ac510bf19db4a5e
SHA51282ee2fc508cd94118bc225346a88627fc8513765975ba1de9fce1972d0f9de89f328631feefddc1c48dbf11d7a21fd63e1859612f94bda17bd6e82f2e028294b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d72e1efcb8e927ef8d144f606c6a951
SHA1e5c07e018bcb85d009e13af941c88d86a6b6d25d
SHA2569d56f38434dd6ba2675403424e9313bfc0bdcd247cef10fd9c6fae632301b557
SHA512c0d02f0f7d8c59c7cd7e8a005779fdf3f24629abcb7316d68f79c21073fca4fde80597acc576019d1c71e349e3b98627c737ab1dc7cc8b27d4a3562d5379d907
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b35a2d7c8580b4e53eec93a5a1871423
SHA14e4ea10162c673af5f61e95f6b7c6cb7903dc9c0
SHA25639962370911418fe7d8b1173132d77322fbd5db28c365641adcafaf300dcd2d7
SHA512db40b1ca37caee850a6ff851d1beec499e4f2c8f313f858a5f801104252bcae395aab3fceaed08db87237581122beb01af9db2cb2be01061365984ccd6d951f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b2770faffa9da09110db9ac03c56166
SHA151fab6bb78f152eae7f77ea5bcc2eab8d82d1c69
SHA2562505307784b743d302b5062bfc8ad6cb516c8253fe9c3f3b68e5a8e98ed21292
SHA5128e8b8ca64bb3b80a5e056a8603e5c4b3138b51b7dc0ae5e59100ce27f188659334299151bea9235e3a1b244887d6a9bee360627aceade36ea6493b8ea34a055e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583234dac5d48491e8fb33ea0fd67ac30
SHA1b81707a22b5b22c6daeb38019cbb8f5eea95f900
SHA256cb9a47b55e620941d42e891951af9cb2df16a89badfc73f4ffee987c7e53cbac
SHA51295fc63009871d113d1e1ee0bb5310a31d9c57a45959069fa07fb916d5285bc860bad412b6872503452655dc4aff15670ee2220fc73a1dfbf93f2bd9a8f1d41e9
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Filesize
4.1MB
MD5c2f217ca1bb8cf75c9cec7a762e23906
SHA14cafb47746fd112d36e52977af6ffcd2a38e4a6e
SHA256ad1c6731d191f64dcb14df183247a5eee51af94dd6251f473a169c73ffa9ed4d
SHA5122bcef9d3f2318167a1e56424395ae6777a4d13fe3bcd36edb7352bec9a357388f8529c8460b618df08617ffe9255b92f73fbcef82830bdfde638c191ad12f25d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec