Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:20
Static task
static1
Behavioral task
behavioral1
Sample
53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe
Resource
win10v2004-20240426-en
General
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Target
53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe
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Size
4.1MB
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MD5
ae1b411d60703dcaf9ed825ec44c0d1c
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SHA1
74456d86f60369611806fbd1c3a005e346dcfbf2
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SHA256
53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0
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SHA512
6673323d583f1e49ef5c9d656c7e324635a7388179ce24171e372bbe73e282b16f76f991d45e5401c12ddf4c1bc16b40a41b5232e149e9c97d25524e980f7bdd
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gK:QC1IraEjIw04m/Xfo4a5yka2Q+gK
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/1420-2-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/1420-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1420-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1420-57-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/1420-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3900-132-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3900-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-165-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-258-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4512 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4964 csrss.exe 2580 injector.exe 4840 windefender.exe 3724 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023495-227.dat upx behavioral1/memory/4840-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3724-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3724-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3724-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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\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 File created 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 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe File created C:\Windows\rss\csrss.exe 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 884 sc.exe -
pid Process 1508 powershell.exe 3640 powershell.exe 3040 powershell.exe 1832 powershell.exe 4860 powershell.exe 1100 powershell.exe 2124 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 4580 schtasks.exe 4496 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,-872 = "Pakistan Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard 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" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.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 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,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula 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" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2124 powershell.exe 2124 powershell.exe 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 1508 powershell.exe 1508 powershell.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 3640 powershell.exe 3640 powershell.exe 3040 powershell.exe 3040 powershell.exe 1832 powershell.exe 1832 powershell.exe 4860 powershell.exe 4860 powershell.exe 1100 powershell.exe 1100 powershell.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 4964 csrss.exe 4964 csrss.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 4964 csrss.exe 4964 csrss.exe 2580 injector.exe 2580 injector.exe 4964 csrss.exe 4964 csrss.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe 2580 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Token: SeImpersonatePrivilege 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 884 sc.exe Token: SeSecurityPrivilege 884 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2124 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 93 PID 1420 wrote to memory of 2124 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 93 PID 1420 wrote to memory of 2124 1420 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 93 PID 3900 wrote to memory of 1508 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 97 PID 3900 wrote to memory of 1508 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 97 PID 3900 wrote to memory of 1508 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 97 PID 3900 wrote to memory of 4448 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 101 PID 3900 wrote to memory of 4448 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 101 PID 4448 wrote to memory of 4512 4448 cmd.exe 103 PID 4448 wrote to memory of 4512 4448 cmd.exe 103 PID 3900 wrote to memory of 3640 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 104 PID 3900 wrote to memory of 3640 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 104 PID 3900 wrote to memory of 3640 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 104 PID 3900 wrote to memory of 3040 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 106 PID 3900 wrote to memory of 3040 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 106 PID 3900 wrote to memory of 3040 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 106 PID 3900 wrote to memory of 4964 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 108 PID 3900 wrote to memory of 4964 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 108 PID 3900 wrote to memory of 4964 3900 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 108 PID 4964 wrote to memory of 1832 4964 csrss.exe 109 PID 4964 wrote to memory of 1832 4964 csrss.exe 109 PID 4964 wrote to memory of 1832 4964 csrss.exe 109 PID 4964 wrote to memory of 4860 4964 csrss.exe 115 PID 4964 wrote to memory of 4860 4964 csrss.exe 115 PID 4964 wrote to memory of 4860 4964 csrss.exe 115 PID 4964 wrote to memory of 1100 4964 csrss.exe 118 PID 4964 wrote to memory of 1100 4964 csrss.exe 118 PID 4964 wrote to memory of 1100 4964 csrss.exe 118 PID 4964 wrote to memory of 2580 4964 csrss.exe 121 PID 4964 wrote to memory of 2580 4964 csrss.exe 121 PID 4840 wrote to memory of 1568 4840 windefender.exe 127 PID 4840 wrote to memory of 1568 4840 windefender.exe 127 PID 4840 wrote to memory of 1568 4840 windefender.exe 127 PID 1568 wrote to memory of 884 1568 cmd.exe 128 PID 1568 wrote to memory of 884 1568 cmd.exe 128 PID 1568 wrote to memory of 884 1568 cmd.exe 128 -
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\53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe"C:\Users\Admin\AppData\Local\Temp\53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2124
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C:\Users\Admin\AppData\Local\Temp\53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe"C:\Users\Admin\AppData\Local\Temp\53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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:3900 -
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:1508
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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:4448 -
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:4512
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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:3640
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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:3040
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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:4964 -
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:1832
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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:4580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1340
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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:4860
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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:1100
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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:2580
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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:4496
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4840 -
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:1568 -
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:884
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3724
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
MD505bf30859af934ed101dd44d52cc9c3f
SHA148c5511e8f819f3b1f6e8fed7982f07d334c3d3a
SHA256c2617450a6023ffbe6273b2babcc6c1c71ed0b7759f8d696753e4bd5f34bcc09
SHA5127883b29160c9e240a7efc72c6641337a72a150a20d16b17832327dd3d88b4c1bcf78535d1bbbf9c7e069482201f4daf1a97f219e52aaed5b8f795c4410313d22
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf28b80cfd51b34f809a0a87fce1a5c2
SHA164a7e05f1f8b52b1974dfb09553690aaf324bd8a
SHA2561e0969aa319659c7859a777b3701aef1c7c9b7dd8cc0c127feb1f5b3039a1708
SHA512565c39c0d919e9c53afa142285fec6928698c527c8b60cbe5bbce750c0b94f786c8f28364ad8daa29e68af3d011f4499e7e26a1532413214a444a610d65a3861
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526deb704d2f9207d65abafe123001ebf
SHA1b09beded866fad73bdc12f57c317c5f44aba4015
SHA256868ce6c5a1e98e4b3587b5f2e370a2fdb960edf1be8a623c38a00bd704b1669a
SHA512f607b98469220f306f5d68f8377dbf242dccb856b9edd9858a7b6ec3fc09bba0b5373ecbb814ad068f8f366067e6a921b4f19efd33fd6db2d3a234e3622e1d35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c7dd5d3a5465eb6323c5fa9216c5e4d
SHA1637fcc5e118d433ad19a0bc33d6f9e5fc1d3035e
SHA256921dcf4533c17754caaac001cdc7800887ba8ff9c4b6ce6070139d987896626b
SHA512131eb7280e7cd64a5f0b3d0aa999d7fd7377786c6fff579c8c41f84da0b00f58dd1db16e0b6950291d1902cbe305ef7f9eba84545ec922792a2dde99285be097
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f496bc66be9a11f6ec23479749aacf8
SHA189244ed02a96423986f58dac6ab4a0c22eb6336a
SHA2568929d729d57707621f93bd122dbaeac528e83fc49a29a20a1556368df36e2b1e
SHA512d378cd78109f41c6faaf917c588d905420adc8139c9e01e0bbdcd905d0f987152cded7519fee146f8fcc530addb5867987039c2d0c66120bb8fc655775724252
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Filesize
4.1MB
MD5ae1b411d60703dcaf9ed825ec44c0d1c
SHA174456d86f60369611806fbd1c3a005e346dcfbf2
SHA25653302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0
SHA5126673323d583f1e49ef5c9d656c7e324635a7388179ce24171e372bbe73e282b16f76f991d45e5401c12ddf4c1bc16b40a41b5232e149e9c97d25524e980f7bdd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec