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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 10:48
Static task
static1
Behavioral task
behavioral1
Sample
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe
Resource
win10v2004-20240226-en
General
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Target
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe
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Size
4.2MB
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MD5
aff082231e99a080df7f3d8b5a17f5a6
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SHA1
d17740b4b2f6ca632de7d67e7ebb68cf0dbe1efe
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SHA256
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf
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SHA512
0bd083ecdcd51aa6d3cd0dc80e24bc2297f1e0f4e1f1e7ef76896b8468d26a15e081908d2a714bcfd6162793452ff19322add76a20186de53942446c8798540c
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SSDEEP
98304:7Qx1mA16Q9J7UePP+dPnQjqZi7LPRPOwseq2a6JLSzHqqZL9v:M1me6QH4ePoPZALPRP/Qqwx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4564-2-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/4564-3-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4564-50-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/4564-57-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/4564-56-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2624-59-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2624-93-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/2624-154-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-241-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-262-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-271-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-273-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-275-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-277-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-279-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-281-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-283-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-285-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral1/memory/380-287-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3440 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 380 csrss.exe 568 injector.exe 4244 windefender.exe 4140 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023271-265.dat upx behavioral1/files/0x0008000000023271-267.dat upx behavioral1/files/0x0008000000023271-268.dat upx behavioral1/memory/4244-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4140-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4140-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe File created C:\Windows\rss\csrss.exe eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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 4876 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4848 4564 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1548 schtasks.exe 1516 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.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\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3348 powershell.exe 3348 powershell.exe 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 4348 powershell.exe 4348 powershell.exe 4348 powershell.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2076 powershell.exe 2076 powershell.exe 2076 powershell.exe 1152 powershell.exe 1152 powershell.exe 1152 powershell.exe 772 powershell.exe 772 powershell.exe 772 powershell.exe 3988 powershell.exe 3988 powershell.exe 3988 powershell.exe 3964 powershell.exe 3964 powershell.exe 3964 powershell.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 380 csrss.exe 380 csrss.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 380 csrss.exe 380 csrss.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 380 csrss.exe 380 csrss.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe 568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Token: SeImpersonatePrivilege 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeSystemEnvironmentPrivilege 380 csrss.exe Token: SeSecurityPrivilege 4876 sc.exe Token: SeSecurityPrivilege 4876 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4564 wrote to memory of 3348 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 93 PID 4564 wrote to memory of 3348 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 93 PID 4564 wrote to memory of 3348 4564 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 93 PID 2624 wrote to memory of 4348 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 107 PID 2624 wrote to memory of 4348 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 107 PID 2624 wrote to memory of 4348 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 107 PID 2624 wrote to memory of 2512 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 109 PID 2624 wrote to memory of 2512 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 109 PID 2512 wrote to memory of 3440 2512 cmd.exe 111 PID 2512 wrote to memory of 3440 2512 cmd.exe 111 PID 2624 wrote to memory of 2076 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 112 PID 2624 wrote to memory of 2076 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 112 PID 2624 wrote to memory of 2076 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 112 PID 2624 wrote to memory of 1152 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 114 PID 2624 wrote to memory of 1152 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 114 PID 2624 wrote to memory of 1152 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 114 PID 2624 wrote to memory of 380 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 117 PID 2624 wrote to memory of 380 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 117 PID 2624 wrote to memory of 380 2624 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 117 PID 380 wrote to memory of 772 380 csrss.exe 118 PID 380 wrote to memory of 772 380 csrss.exe 118 PID 380 wrote to memory of 772 380 csrss.exe 118 PID 380 wrote to memory of 3988 380 csrss.exe 124 PID 380 wrote to memory of 3988 380 csrss.exe 124 PID 380 wrote to memory of 3988 380 csrss.exe 124 PID 380 wrote to memory of 3964 380 csrss.exe 127 PID 380 wrote to memory of 3964 380 csrss.exe 127 PID 380 wrote to memory of 3964 380 csrss.exe 127 PID 380 wrote to memory of 568 380 csrss.exe 130 PID 380 wrote to memory of 568 380 csrss.exe 130 PID 4244 wrote to memory of 3500 4244 windefender.exe 140 PID 4244 wrote to memory of 3500 4244 windefender.exe 140 PID 4244 wrote to memory of 3500 4244 windefender.exe 140 PID 3500 wrote to memory of 4876 3500 cmd.exe 141 PID 3500 wrote to memory of 4876 3500 cmd.exe 141 PID 3500 wrote to memory of 4876 3500 cmd.exe 141 -
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\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3348
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C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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:2624 -
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:4348
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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:2512 -
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:3440
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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:2076
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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:1152
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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:380 -
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:772
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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:1548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:960
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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:3988
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964
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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:568
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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:1516
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4244 -
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:3500 -
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:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 7562⤵
- Program crash
PID:4848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4564 -ip 45641⤵PID:3048
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4140
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526d4b2540442745f80ccb7a0808a1e67
SHA15843aee7b5df6b0d0746c38d026844199343c72f
SHA256a04e10ab5aa56d46b096221e2677e1dc4fb358de5d0d2fb3e10fd308e2f00b5e
SHA5123c244fd33c243477364228012ab55c59a4dd35ac7c77dc2428fc1b79406852d763a470ef197293fa50a815590e04a72069d4a35f3b5dbf13ed3ecd648566ef6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548ef8f1af6edbd6612b4437edff1e660
SHA16a3b4bfe36b56490955cfba83a755ed11fbf9cbc
SHA256d013f5be1a16b7cb427924b8713e8267cc2034463f735767421f1b4bac607b0d
SHA512524e063703e80fba27b71d7966fd47cecfca04c44afdaffb978c98cd5cf789ee8151ee2a44f8c9b6ab4d4bf425e8e0d4403d79ea46184e44fa87415e72db13ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50487e17a2f4d8e46caede820fd254bd4
SHA1f000adeac09b84cb63867c672add71d916c17ffe
SHA2568ac66ce3d8e4458e128a7e10d403cacabaff6b4494e682cc2407a94bd6705a07
SHA512d259085142d864f2193243ada46d74cc1a974e040a4fe98798de5920fffe8a3135bf116b7065fd8438b21425322d87a578d9e05e67c033cfcbd70e7136df01b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d3b5dd53b857fa41ce0c7ac49ffc8e5
SHA118e20ca6c3f11650b9f40292ad3acf6eedf62e46
SHA25683d4de1955ae713303ce832e2a71d14b9e975533fa873159fdc4ff0ef9b04522
SHA512805497474a0fae2048a6f4d417530d00a50d75c883369edd2c439af9f31faaf716e9bb82fa48f693ef4aba06a62b3ccb493af346c8018623bb297b7b048c738c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536e9ea6a82bdad658eaa9687bb96dbc7
SHA19f54b397f104cfae0fbea51cfff26b0183f2eea8
SHA256cc58788b0287f2cff2fa7fc09ff3a62a34dacc9bf895ae1477c1048b33a816de
SHA512eebb09d5002af5029c04efa0a825303ea3d542b9d55ac1acbe80e639ef271d50a3e888895b526b28ea8d525cd8536b0c36df480baabfa710367ee97cf3adf8e0
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Filesize
4.2MB
MD5aff082231e99a080df7f3d8b5a17f5a6
SHA1d17740b4b2f6ca632de7d67e7ebb68cf0dbe1efe
SHA256eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf
SHA5120bd083ecdcd51aa6d3cd0dc80e24bc2297f1e0f4e1f1e7ef76896b8468d26a15e081908d2a714bcfd6162793452ff19322add76a20186de53942446c8798540c
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Filesize
960KB
MD55f73b9128ecab8e5698041aa57236872
SHA1b04a108ed5ad4c0357d3df34ca69a9b7520e36f9
SHA2560b49e891f3a960b56182a47de95bd7720f1c5972ce54d44c511ef02d43f770d1
SHA512ff8f7a91310eb39d754d8af9e2567db0b8583c4482c63a1e42d4add00b5146c9e09b599ae791d639cb463a1edd993dbb7dc058de764f8ef8e2d00fd58c7d05d5
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Filesize
14KB
MD5589ea2f26f903497eeb4f07f72236c0f
SHA164b02194c3d5dc28598316d22f9184a0b5088513
SHA256c7358d1f37e02a83cfd67e41de7cb82790c7a8acc993bbf6c7abed83e860b428
SHA5126fd25b84e5911c552b5498f5e390e521b0bcce028de9275bf29f5a274e517b5bcb7501597373f8a08e8fe195947e0b853e3af12bb0f824b8871c1de5cd0e3b88
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec