Analysis
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max time kernel
149s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe
Resource
win10v2004-20240426-en
General
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Target
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe
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Size
4.1MB
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MD5
1485f8b4fb3b4031e187576e1299f7ae
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SHA1
13f8efcf49f340680c4986d597b46370233c0e67
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SHA256
c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85
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SHA512
59132c288b49662e3f0638d734f4d739343414952c3cd9d61bebf44d6cb0d020b194ea99d164ef7dfab0624032e2981d6282997c4682617335aa18485a0cfe6d
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SSDEEP
98304:nQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FB:Qx32Mq02zAeLCVnWszfVfeCa8CLXv/n
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3912-2-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/3912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3912-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3912-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3912-55-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/3912-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3240-81-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3240-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-178-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2108-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1380 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2108 csrss.exe 2824 injector.exe 1892 windefender.exe 1060 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f3-211.dat upx behavioral2/memory/1892-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe File created C:\Windows\rss\csrss.exe c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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 5104 sc.exe -
pid Process 4644 powershell.exe 4556 powershell.exe 3640 powershell.exe 2000 powershell.exe 1956 powershell.exe 2936 powershell.exe 3372 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2860 3912 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3032 schtasks.exe 1472 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,-1972 = "Belarus Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3640 powershell.exe 3640 powershell.exe 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 2000 powershell.exe 2000 powershell.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 1956 powershell.exe 1956 powershell.exe 2936 powershell.exe 2936 powershell.exe 3372 powershell.exe 3372 powershell.exe 4644 powershell.exe 4644 powershell.exe 4556 powershell.exe 4556 powershell.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2108 csrss.exe 2108 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2108 csrss.exe 2108 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2108 csrss.exe 2108 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Token: SeImpersonatePrivilege 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe Token: SeDebugPrivilege 2000 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeSystemEnvironmentPrivilege 2108 csrss.exe Token: SeSecurityPrivilege 5104 sc.exe Token: SeSecurityPrivilege 5104 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3912 wrote to memory of 3640 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 82 PID 3912 wrote to memory of 3640 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 82 PID 3912 wrote to memory of 3640 3912 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 82 PID 3240 wrote to memory of 2000 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 90 PID 3240 wrote to memory of 2000 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 90 PID 3240 wrote to memory of 2000 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 90 PID 3240 wrote to memory of 4516 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 92 PID 3240 wrote to memory of 4516 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 92 PID 4516 wrote to memory of 1380 4516 cmd.exe 94 PID 4516 wrote to memory of 1380 4516 cmd.exe 94 PID 3240 wrote to memory of 1956 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 95 PID 3240 wrote to memory of 1956 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 95 PID 3240 wrote to memory of 1956 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 95 PID 3240 wrote to memory of 2936 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 97 PID 3240 wrote to memory of 2936 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 97 PID 3240 wrote to memory of 2936 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 97 PID 3240 wrote to memory of 2108 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 99 PID 3240 wrote to memory of 2108 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 99 PID 3240 wrote to memory of 2108 3240 c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe 99 PID 2108 wrote to memory of 3372 2108 csrss.exe 100 PID 2108 wrote to memory of 3372 2108 csrss.exe 100 PID 2108 wrote to memory of 3372 2108 csrss.exe 100 PID 2108 wrote to memory of 4644 2108 csrss.exe 105 PID 2108 wrote to memory of 4644 2108 csrss.exe 105 PID 2108 wrote to memory of 4644 2108 csrss.exe 105 PID 2108 wrote to memory of 4556 2108 csrss.exe 108 PID 2108 wrote to memory of 4556 2108 csrss.exe 108 PID 2108 wrote to memory of 4556 2108 csrss.exe 108 PID 2108 wrote to memory of 2824 2108 csrss.exe 110 PID 2108 wrote to memory of 2824 2108 csrss.exe 110 PID 1892 wrote to memory of 896 1892 windefender.exe 116 PID 1892 wrote to memory of 896 1892 windefender.exe 116 PID 1892 wrote to memory of 896 1892 windefender.exe 116 PID 896 wrote to memory of 5104 896 cmd.exe 117 PID 896 wrote to memory of 5104 896 cmd.exe 117 PID 896 wrote to memory of 5104 896 cmd.exe 117 -
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\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3640
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C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.exe"C:\Users\Admin\AppData\Local\Temp\c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85.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:3240 -
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:2000
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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:4516 -
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:1380
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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:1956
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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:2936
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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:2108 -
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:3372
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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:3032
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:72
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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:4644
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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:4556
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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:2824
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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:1472
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1892 -
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:896 -
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:5104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 9682⤵
- Program crash
PID:2860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3912 -ip 39121⤵PID:5112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1060
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de38c489e4f621423aee9568105717ae
SHA1ea109a765cd96d89c3daabd34f7dabd7a2bef7e8
SHA256d70bef646c5ecd09d5c8be24d2d0dc3b472b72057e5d9ca29f549577461179aa
SHA51290e7f8efe2251545dc21153f90cbccc9ae23cfefabd30533b4997c7ba4ab75671a44e76a16cd28827705873f2ae531faa344a617ff54e1834d4684b02c9b4399
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c86d6e7a58878af282687cbdc7e4be4
SHA158f644f8092db4d51fd0960886a61b882bb51bc4
SHA256db2ff05eb1842e2b2e32b08ef5cb525112e9597acc74ce79ab5b48c5f8505a6c
SHA512190de0b8bc3f660811b763689c11f658d73363b04ec8695fdd243e48ee2a8ea8b6e673fa422701fa8de8543ea2666bd350b753e23509ff804a85caa284b17b32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1973f3cc6d8a648177890a8911998bc
SHA139406afdb9365874a2509cd8c324780cb9141921
SHA256ad0a03694088c7bb53611ab2fb35ea99e18562653e03a748b288068b6459c98f
SHA5121f883beed9f77b06819351cba9ea5cde8dd2ec31327fc7f2c59fb87709008c617e21cd28dd6dd64333b0a926c050545f0a64328f3309266ab61ffc3bc1f986c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567e46be6af1e5ba56aa627852209e153
SHA13565ceed30f972158c98fc4cee7ce47b767b4f91
SHA2561b0e63f315abdb76748fc4f7b3dc9f08e6368a302f18b2c22962b7b700a26930
SHA5127d1683eaeb466513c88a75dcaed13b16c54a6dd9acda7ff0131e8df88490faa5ad19a4f8255838c34478a5b2582ba00af47c7b320f94c67562039c58bf4dcc71
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f982dc130841ee66f23d684824c5d231
SHA1debac973c3b6c6bf9930842e7d102bd78605deaf
SHA256e2013e414a150e6d6f64dfc92cf4fb3f902cc1935df04da8874e577fecd21e90
SHA5123344a8a9686d177cbf40aa12a501c88045354e6976b4f35660b09b761abccffe674185c08a2ab79ebe54dedb3d20ab12f4e79bcd1766cd8ff464cad2676b27bf
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Filesize
4.1MB
MD51485f8b4fb3b4031e187576e1299f7ae
SHA113f8efcf49f340680c4986d597b46370233c0e67
SHA256c817ade33760f1126fd9730e142c3b2d478df964befaef669f8d1a53638e0f85
SHA51259132c288b49662e3f0638d734f4d739343414952c3cd9d61bebf44d6cb0d020b194ea99d164ef7dfab0624032e2981d6282997c4682617335aa18485a0cfe6d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec