Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe
Resource
win10v2004-20240412-en
General
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Target
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe
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Size
4.2MB
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MD5
d2805a8299404e46f878f35d08c0587e
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SHA1
5bf687466238c3de1c3edc625fa9214d63f1eba8
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SHA256
01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5
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SHA512
cafcf7c9e83852e4f2d6e836a396fa2b633749b290a3c728a0a13bf453986785f7f46bb5d23a55c62a9e8d4ce95dad850b739b8f43e812ba5436cf1ba28f9fd7
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SSDEEP
98304:500QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGm:7pJcNpX++PyaASVpB6kz
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1344-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral1/memory/1344-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1460-59-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/1344-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1460-60-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1460-160-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-290-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3116-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1572 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3116 csrss.exe 3956 injector.exe 4484 windefender.exe 1636 windefender.exe -
resource yara_rule behavioral1/files/0x0012000000023426-265.dat upx behavioral1/memory/4484-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe File created C:\Windows\rss\csrss.exe 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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 3240 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3752 1344 WerFault.exe 84 3084 1460 WerFault.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1904 schtasks.exe 544 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 772 powershell.exe 772 powershell.exe 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 5012 powershell.exe 5012 powershell.exe 5012 powershell.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 1904 powershell.exe 1904 powershell.exe 1904 powershell.exe 1504 powershell.exe 1504 powershell.exe 1504 powershell.exe 2800 powershell.exe 2800 powershell.exe 2800 powershell.exe 2860 powershell.exe 2860 powershell.exe 2860 powershell.exe 3628 powershell.exe 3628 powershell.exe 3628 powershell.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3116 csrss.exe 3116 csrss.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3116 csrss.exe 3116 csrss.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3116 csrss.exe 3116 csrss.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe 3956 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Token: SeImpersonatePrivilege 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 1904 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 2860 powershell.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeSystemEnvironmentPrivilege 3116 csrss.exe Token: SeSecurityPrivilege 3240 sc.exe Token: SeSecurityPrivilege 3240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1344 wrote to memory of 772 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 89 PID 1344 wrote to memory of 772 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 89 PID 1344 wrote to memory of 772 1344 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 89 PID 1460 wrote to memory of 5012 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 1460 wrote to memory of 5012 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 1460 wrote to memory of 5012 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 99 PID 1460 wrote to memory of 2124 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 105 PID 1460 wrote to memory of 2124 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 105 PID 2124 wrote to memory of 1572 2124 cmd.exe 107 PID 2124 wrote to memory of 1572 2124 cmd.exe 107 PID 1460 wrote to memory of 1904 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 122 PID 1460 wrote to memory of 1904 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 122 PID 1460 wrote to memory of 1904 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 122 PID 1460 wrote to memory of 1504 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 111 PID 1460 wrote to memory of 1504 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 111 PID 1460 wrote to memory of 1504 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 111 PID 1460 wrote to memory of 3116 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 116 PID 1460 wrote to memory of 3116 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 116 PID 1460 wrote to memory of 3116 1460 01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe 116 PID 3116 wrote to memory of 2800 3116 csrss.exe 119 PID 3116 wrote to memory of 2800 3116 csrss.exe 119 PID 3116 wrote to memory of 2800 3116 csrss.exe 119 PID 3116 wrote to memory of 2860 3116 csrss.exe 126 PID 3116 wrote to memory of 2860 3116 csrss.exe 126 PID 3116 wrote to memory of 2860 3116 csrss.exe 126 PID 3116 wrote to memory of 3628 3116 csrss.exe 128 PID 3116 wrote to memory of 3628 3116 csrss.exe 128 PID 3116 wrote to memory of 3628 3116 csrss.exe 128 PID 3116 wrote to memory of 3956 3116 csrss.exe 130 PID 3116 wrote to memory of 3956 3116 csrss.exe 130 PID 4484 wrote to memory of 3192 4484 windefender.exe 136 PID 4484 wrote to memory of 3192 4484 windefender.exe 136 PID 4484 wrote to memory of 3192 4484 windefender.exe 136 PID 3192 wrote to memory of 3240 3192 cmd.exe 137 PID 3192 wrote to memory of 3240 3192 cmd.exe 137 PID 3192 wrote to memory of 3240 3192 cmd.exe 137 -
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\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772
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C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.exe"C:\Users\Admin\AppData\Local\Temp\01c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5.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:1460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012
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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:2124 -
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:1572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504
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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:3116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800
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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:1904
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2132
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3628
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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:3956
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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:544
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4484 -
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:3192 -
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:3240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 8803⤵
- Program crash
PID:3084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 7762⤵
- Program crash
PID:3752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1344 -ip 13441⤵PID:1536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1460 -ip 14601⤵PID:1668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1636
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
MD51e50724ca51432afeb628ac8e48337d8
SHA11a9346652e7935f4df795068bb21f7fcde72fdc6
SHA2560dfabef575865b9568b4659c0fad5ac2ce5b4f2b9c5ec5be3f26b9cfe61f181e
SHA5128249451f8b9cc5a9fd772cd738efd64934c72b3db6e8459ebd973928d0c3142d324b6069d19369675ff8daf314ca835bdf67033637ee057332e19a801a77087b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5224d11ac51014571d0936cc2fecd32
SHA105df166641fc471bd60557dc7fb58f464ef528f8
SHA256879d9ba01f35f8681969b25a83f00b897eb3b58bf20703de3160a42408e09917
SHA5123b0edff1d4b7cea712c7868fac5549301ee92faa0b5e3c77367303dba776f8350c9ede857e4741744a63c1567e10429662b0b972a6ee3d5c0c8974d68f40d5d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b8e8c13de6d58f86458193bc580ff7a
SHA1629a39f6a62a950aa5eac172499b524576c1ad1f
SHA25606e6faeab1304ebadf85a002ebfbbf978bd2c3ee71988ebb66223bc4afa066d9
SHA5126794c2dc354146f3e9463c71c0dbf8ea5541cee1cf82468fa980629879db1b9447ea9cfd8b8d4153c4e2572cd99f90e7fc1fb5168445422b847b17857d3932af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fbad1ca82bf8cbce083e556e7a14068
SHA18eb87fb683a2257acdd36bc5ae676148d4bbe173
SHA25673f4e1d9157323675643f1fd0550d057fc2c0c14f9f8b3c0daf8cb6f32047e85
SHA51253c7c3cac8067e65f3badaf2d53261b89dd265277e0996b8427d7a307a02b13371c8e9b7ac99c1d69ccf0716965baf0f865e5421fa420692d637a23fd5ff48ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597a9b56d66804bcf5eec01de64fb2eae
SHA17077b86df3cf431a49379c1da7b028b9799ab038
SHA2564903bbba0d1fa3b40d2d76ec60c5754a499d5676bd53fcf46dafc692246a0cfa
SHA5127839e67a8af414030cf7b72395ea60d2e27fee2c1e9def3793e01fb58bd251367973946ba830de529a17e400e21d2bc8ed7c41585f6304f2ad212bd913b1ec89
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Filesize
4.2MB
MD5d2805a8299404e46f878f35d08c0587e
SHA15bf687466238c3de1c3edc625fa9214d63f1eba8
SHA25601c6882ab6af352c4a22cca71e7f0239aa861ef48df11ec47a4791d95b6b99b5
SHA512cafcf7c9e83852e4f2d6e836a396fa2b633749b290a3c728a0a13bf453986785f7f46bb5d23a55c62a9e8d4ce95dad850b739b8f43e812ba5436cf1ba28f9fd7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec