Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe
Resource
win10v2004-20240426-en
General
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Target
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe
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Size
4.1MB
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MD5
3cca103599a61320242bd588c84691d5
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SHA1
6bfb658acc0d06ebce045eda809d416da4a02ef1
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SHA256
b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525
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SHA512
2b81632acee1305d929f53b4de1cbe00d4c4f4e623399bd2ee46e077e220eb10988ce67cb65b4bcc1a6d4f721f2419517777413bf4c8fff73a9003139bc7e2d8
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvY:6RrVrv4XbNRWhj2o9k8f3CspGvY
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/240-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-54-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/240-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2132-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-214-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-215-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4612-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2244 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4612 csrss.exe 4556 injector.exe 3744 windefender.exe 2356 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-208.dat upx behavioral2/memory/3744-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3744-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe File created C:\Windows\rss\csrss.exe b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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 2192 sc.exe -
pid Process 3264 powershell.exe 4304 powershell.exe 2728 powershell.exe 1880 powershell.exe 2280 powershell.exe 2472 powershell.exe 1272 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3068 240 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1640 schtasks.exe 3868 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-501 = "Nepal Daylight 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" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2472 powershell.exe 2472 powershell.exe 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 1272 powershell.exe 1272 powershell.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 3264 powershell.exe 3264 powershell.exe 4304 powershell.exe 4304 powershell.exe 2728 powershell.exe 2728 powershell.exe 1880 powershell.exe 1880 powershell.exe 2280 powershell.exe 2280 powershell.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4612 csrss.exe 4612 csrss.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4612 csrss.exe 4612 csrss.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4612 csrss.exe 4612 csrss.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe 4556 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Token: SeImpersonatePrivilege 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe Token: SeDebugPrivilege 1272 powershell.exe Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 2728 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeSystemEnvironmentPrivilege 4612 csrss.exe Token: SeSecurityPrivilege 2192 sc.exe Token: SeSecurityPrivilege 2192 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 240 wrote to memory of 2472 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 81 PID 240 wrote to memory of 2472 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 81 PID 240 wrote to memory of 2472 240 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 81 PID 2132 wrote to memory of 1272 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 89 PID 2132 wrote to memory of 1272 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 89 PID 2132 wrote to memory of 1272 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 89 PID 2132 wrote to memory of 560 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 91 PID 2132 wrote to memory of 560 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 91 PID 560 wrote to memory of 2244 560 cmd.exe 93 PID 560 wrote to memory of 2244 560 cmd.exe 93 PID 2132 wrote to memory of 3264 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 94 PID 2132 wrote to memory of 3264 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 94 PID 2132 wrote to memory of 3264 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 94 PID 2132 wrote to memory of 4304 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 96 PID 2132 wrote to memory of 4304 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 96 PID 2132 wrote to memory of 4304 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 96 PID 2132 wrote to memory of 4612 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 98 PID 2132 wrote to memory of 4612 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 98 PID 2132 wrote to memory of 4612 2132 b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe 98 PID 4612 wrote to memory of 2728 4612 csrss.exe 99 PID 4612 wrote to memory of 2728 4612 csrss.exe 99 PID 4612 wrote to memory of 2728 4612 csrss.exe 99 PID 4612 wrote to memory of 1880 4612 csrss.exe 104 PID 4612 wrote to memory of 1880 4612 csrss.exe 104 PID 4612 wrote to memory of 1880 4612 csrss.exe 104 PID 4612 wrote to memory of 2280 4612 csrss.exe 107 PID 4612 wrote to memory of 2280 4612 csrss.exe 107 PID 4612 wrote to memory of 2280 4612 csrss.exe 107 PID 4612 wrote to memory of 4556 4612 csrss.exe 109 PID 4612 wrote to memory of 4556 4612 csrss.exe 109 PID 3744 wrote to memory of 2104 3744 windefender.exe 115 PID 3744 wrote to memory of 2104 3744 windefender.exe 115 PID 3744 wrote to memory of 2104 3744 windefender.exe 115 PID 2104 wrote to memory of 2192 2104 cmd.exe 116 PID 2104 wrote to memory of 2192 2104 cmd.exe 116 PID 2104 wrote to memory of 2192 2104 cmd.exe 116 -
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\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472
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C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.exe"C:\Users\Admin\AppData\Local\Temp\b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525.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:2132 -
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:1272
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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:560 -
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:2244
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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:3264
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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:4304
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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:4612 -
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:2728
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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:1640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3312
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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:1880
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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:2280
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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:4556
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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:3868
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3744 -
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:2104 -
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:2192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 240 -s 9042⤵
- Program crash
PID:3068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 240 -ip 2401⤵PID:4636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2356
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
MD537b667d74445fcebf965199f51872fb4
SHA108d8cfa0d6fee8d1272f65747141e2c3da86b6f0
SHA2569d50d443c25d54dc1ee089b24ae97499a34cf117192833283e43a7e93bd91bb6
SHA51222f6c1d02e9c83cff861c5fa2e4f814a08c05ee610259b29056ceeab07f9b269a4c9aa3306e636bed079f2f62f9c363e449bd3fe28d32bba05d04b0d3746d96b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57683476cd9a44bf401d20f3bac6c1568
SHA151583b91c63ee8f966b53f3c6c36d99b784da32a
SHA256e1f36c04ede2dccde2342c8abf2a7114582a3f634777033565094cff924cf205
SHA512a61d4e30f8d60531462c68e6fa2ee9a20d44730bb057262e1db7a96934e45426b85c5ff7faa6d4a41b91c70a73a44356667af55facb10a45428522ed5bcf22da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9ca07b3bfe53a5025b57654c8521b57
SHA1726d087f8a3b09f220c5deab703471fc8cdd7925
SHA2569dc4920739d85a7d7ca61e2cce7ec4e033f56e6bf9ca7ddb36e4704ac1afd087
SHA512f6bfff8a35d5df9df83559de3ea3bf73725ca4e53c6e659f554ff9463f629cb32e8e3d57f76391493d1d0f9745b89a3df4a0286ed69207b2b3e4ef1a21e74513
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d39195d2cb9ce6c8b4521396a418d127
SHA1815b7a7e930b6c9794a9c5ed99ffe2a4c11a5032
SHA2561f98f9a42004419cbae30beb00191b7f0fd80623a37d09ac2bee0afd03b9869e
SHA51225c309bd950a275893c939befabc8d076a5e0e4cc9677e41993c8dd1fbba3570b6fa00ef59b25be899fc021982f9d0eb96fc702d2ecba896d7315974e19dab03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b175c27d8404707f4138b77cc28aafe9
SHA171ec2a4e24cf1aaa089888cec5bb2f6fb53d4fbf
SHA2562de187aa96da3c63f6e59bb7944ade00db0485dcdf541f51aa207fbe8c58f5e5
SHA512de439dfd902592e47b5ac1d2357096e04d74a824b5bf9191b3f5533821babe4bd9d92b049b970b5cc1fb933a62048aa33f6c676de89a3677643474daddca50da
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Filesize
4.1MB
MD53cca103599a61320242bd588c84691d5
SHA16bfb658acc0d06ebce045eda809d416da4a02ef1
SHA256b2d01203358ba2d5fff4a34c7f1c9104f79861484663f36929b1c5c4fae4f525
SHA5122b81632acee1305d929f53b4de1cbe00d4c4f4e623399bd2ee46e077e220eb10988ce67cb65b4bcc1a6d4f721f2419517777413bf4c8fff73a9003139bc7e2d8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec