Analysis
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max time kernel
149s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 18 IoCs
resource yara_rule behavioral2/memory/1404-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/1404-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1404-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1404-54-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/1404-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4672-131-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-152-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-207-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4856-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4856 csrss.exe 1416 injector.exe 1464 windefender.exe 4316 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1d-212.dat upx behavioral2/memory/1464-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4316-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1464-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4316-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4316-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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 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 -
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 opened for modification C:\Windows\rss 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe File created C:\Windows\rss\csrss.exe 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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 2808 sc.exe -
pid Process 1696 powershell.exe 4980 powershell.exe 3028 powershell.exe 1568 powershell.exe 1712 powershell.exe 1352 powershell.exe 2968 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 1008 schtasks.exe 1748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.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,-161 = "Central Daylight Time" windefender.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-432 = "Iran Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1568 powershell.exe 1568 powershell.exe 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 1712 powershell.exe 1712 powershell.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 1352 powershell.exe 1352 powershell.exe 2968 powershell.exe 2968 powershell.exe 1696 powershell.exe 1696 powershell.exe 4980 powershell.exe 4980 powershell.exe 3028 powershell.exe 3028 powershell.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 4856 csrss.exe 4856 csrss.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 4856 csrss.exe 4856 csrss.exe 1416 injector.exe 1416 injector.exe 4856 csrss.exe 4856 csrss.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe 1416 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Token: SeImpersonatePrivilege 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe Token: SeDebugPrivilege 1712 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeSystemEnvironmentPrivilege 4856 csrss.exe Token: SeSecurityPrivilege 2808 sc.exe Token: SeSecurityPrivilege 2808 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1404 wrote to memory of 1568 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 82 PID 1404 wrote to memory of 1568 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 82 PID 1404 wrote to memory of 1568 1404 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 82 PID 4672 wrote to memory of 1712 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 87 PID 4672 wrote to memory of 1712 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 87 PID 4672 wrote to memory of 1712 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 87 PID 4672 wrote to memory of 5028 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 89 PID 4672 wrote to memory of 5028 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 89 PID 5028 wrote to memory of 3768 5028 cmd.exe 91 PID 5028 wrote to memory of 3768 5028 cmd.exe 91 PID 4672 wrote to memory of 1352 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 92 PID 4672 wrote to memory of 1352 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 92 PID 4672 wrote to memory of 1352 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 92 PID 4672 wrote to memory of 2968 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 94 PID 4672 wrote to memory of 2968 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 94 PID 4672 wrote to memory of 2968 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 94 PID 4672 wrote to memory of 4856 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 96 PID 4672 wrote to memory of 4856 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 96 PID 4672 wrote to memory of 4856 4672 53302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0.exe 96 PID 4856 wrote to memory of 1696 4856 csrss.exe 97 PID 4856 wrote to memory of 1696 4856 csrss.exe 97 PID 4856 wrote to memory of 1696 4856 csrss.exe 97 PID 4856 wrote to memory of 4980 4856 csrss.exe 103 PID 4856 wrote to memory of 4980 4856 csrss.exe 103 PID 4856 wrote to memory of 4980 4856 csrss.exe 103 PID 4856 wrote to memory of 3028 4856 csrss.exe 105 PID 4856 wrote to memory of 3028 4856 csrss.exe 105 PID 4856 wrote to memory of 3028 4856 csrss.exe 105 PID 4856 wrote to memory of 1416 4856 csrss.exe 107 PID 4856 wrote to memory of 1416 4856 csrss.exe 107 PID 1464 wrote to memory of 2868 1464 windefender.exe 113 PID 1464 wrote to memory of 2868 1464 windefender.exe 113 PID 1464 wrote to memory of 2868 1464 windefender.exe 113 PID 2868 wrote to memory of 2808 2868 cmd.exe 114 PID 2868 wrote to memory of 2808 2868 cmd.exe 114 PID 2868 wrote to memory of 2808 2868 cmd.exe 114 -
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:1404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1568
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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:4672 -
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:1712
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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:5028 -
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:3768
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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:1352
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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:2968
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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:4856 -
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:1696
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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:1008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3060
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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:4980
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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:3028
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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:1416
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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:1748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1464 -
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:2868 -
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:2808
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4316
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
MD545ba0a5b26195a9512ae488211c2d69a
SHA1c0a6d81e880919ef20e4c82f880397bf323dbbc9
SHA2560565ed8220a0f2e20aa15e98212d4232aae158ae95dcfe7cf267ee9a574362be
SHA5124b60fbb57c49f101d683b2ef9bb247264d77a6adc7e84dda7df9bc604e02979357e9b912c2f5f551a812c9085fc2815bc0f6b6288ee5d90b2927b0439a196a79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c809c180f123bb57cc8103efe4df6f7d
SHA1ca33f3385c5dbf580a166a033e06648ea8089568
SHA2563f053edb9729854f562c9d347586feec64adf8353fb00603b79c2ec0f6a02a2e
SHA512f04931675a97165452d6bbf949ad38f580c789628fdfecfc850cec17842ab3fa543f542e30002179362fd9f70ed18698f6c0b287e3da77ae37835e0904e57ed5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef2438b11e8da41fb941f9ad544e2f5a
SHA1ee706f4fd6541eaa339e3a23e4fc45e1e8bf9b71
SHA256e2aaa3d8a46ea6705ed8796b56f7a94172b6dd39c52dc2e62499b7b0c57a84a7
SHA51221b6ca6aa65da334b02e65b8d15b332247011696e5a904aef47d12466b5df9de43124a788e56f281ad6a5850b850d13782129bf56c45beb85e82bba06eb72cbc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5292a8a4b52cea2c1267de7d3aa6fc31b
SHA19846a5ebbc4a4ea10826193566528b438a4c5cc1
SHA2568637bdacb57a265394deeeaf96fa4794c81280346edb3cc7e8f90d3bc83eb4cf
SHA5123a5553a385f417b5f0c6135395de39d1024b7e15e6394b89bad982aef012258ba93fd1fadcc8f231c534e084a6018536147ea50aa5ef37e6123fa9c54b34f281
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5986b427bccda28744c1d5cf59d18b273
SHA19a66e550f797dc15698ff66c2d57126cbce6138b
SHA2560b0a1749768ee9f734a322b183278103f88e1947516d04cd8816916f5f389c64
SHA5122369b6bdc7188f34a9b334a7dc51a300abe36509bdead2f69cdd3f28e1340750419c5eff15db0b24cbb44e98c4c81720b0ddadb34c72d035780ee3c11fe4ba1b
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Filesize
4.1MB
MD5ae1b411d60703dcaf9ed825ec44c0d1c
SHA174456d86f60369611806fbd1c3a005e346dcfbf2
SHA25653302f51370565484858308e4f929731c9fa9e1a6ba06999370b140193e600f0
SHA5126673323d583f1e49ef5c9d656c7e324635a7388179ce24171e372bbe73e282b16f76f991d45e5401c12ddf4c1bc16b40a41b5232e149e9c97d25524e980f7bdd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec