Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/04/2024, 20:07
Static task
static1
Behavioral task
behavioral1
Sample
7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe
Resource
win10v2004-20240226-en
General
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Target
7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe
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Size
4.1MB
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MD5
9fb778245b7df974e5ad24c77d3ba95b
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SHA1
11038aacc9774752e1cab7670a0fbc9ba58766df
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SHA256
7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32
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SHA512
34a8d6c3f9c752127492fc1de12b1c24f773ced0ac4126118ac7b3f43b7eade8435e9164d6bb4cd0f348328e530a87558004298e7e069c7b0e50580ddc7ae458
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SSDEEP
98304:bb/DMr9zhhA/6kdXfrYp8ia1yEQL2NpP26oG9WRoP1Kuw:nwrNhhArfryXaXE2NpPVoG9WRMpw
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3004-2-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral1/memory/3004-3-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3004-29-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3004-55-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3004-57-0x0000000005010000-0x00000000058FB000-memory.dmp family_glupteba behavioral1/memory/4952-59-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/4952-107-0x0000000004BA0000-0x0000000004FA7000-memory.dmp family_glupteba behavioral1/memory/4952-120-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/4952-137-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/4952-155-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-255-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-261-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-269-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-271-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-273-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-275-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-277-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral1/memory/3976-279-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2848 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3976 csrss.exe 3852 injector.exe 3692 windefender.exe 4168 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002323d-264.dat upx behavioral1/memory/3692-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4168-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4168-274-0x0000000000400000-0x00000000008DF000-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\"" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.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 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 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4144 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2728 schtasks.exe 4008 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-222 = "Alaskan Standard Time" windefender.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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.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\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1380 powershell.exe 1380 powershell.exe 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 3248 powershell.exe 3248 powershell.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 1656 powershell.exe 1656 powershell.exe 564 powershell.exe 564 powershell.exe 1452 powershell.exe 1452 powershell.exe 4412 powershell.exe 4412 powershell.exe 2848 powershell.exe 2848 powershell.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3976 csrss.exe 3976 csrss.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3976 csrss.exe 3976 csrss.exe 3852 injector.exe 3852 injector.exe 3976 csrss.exe 3976 csrss.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe 3852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Token: SeImpersonatePrivilege 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeSystemEnvironmentPrivilege 3976 csrss.exe Token: SeSecurityPrivilege 4144 sc.exe Token: SeSecurityPrivilege 4144 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3004 wrote to memory of 1380 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 89 PID 3004 wrote to memory of 1380 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 89 PID 3004 wrote to memory of 1380 3004 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 89 PID 4952 wrote to memory of 3248 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 100 PID 4952 wrote to memory of 3248 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 100 PID 4952 wrote to memory of 3248 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 100 PID 4952 wrote to memory of 1552 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 102 PID 4952 wrote to memory of 1552 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 102 PID 1552 wrote to memory of 2848 1552 cmd.exe 104 PID 1552 wrote to memory of 2848 1552 cmd.exe 104 PID 4952 wrote to memory of 1656 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 105 PID 4952 wrote to memory of 1656 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 105 PID 4952 wrote to memory of 1656 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 105 PID 4952 wrote to memory of 564 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 107 PID 4952 wrote to memory of 564 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 107 PID 4952 wrote to memory of 564 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 107 PID 4952 wrote to memory of 3976 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 109 PID 4952 wrote to memory of 3976 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 109 PID 4952 wrote to memory of 3976 4952 7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe 109 PID 3976 wrote to memory of 1452 3976 csrss.exe 110 PID 3976 wrote to memory of 1452 3976 csrss.exe 110 PID 3976 wrote to memory of 1452 3976 csrss.exe 110 PID 3976 wrote to memory of 4412 3976 csrss.exe 116 PID 3976 wrote to memory of 4412 3976 csrss.exe 116 PID 3976 wrote to memory of 4412 3976 csrss.exe 116 PID 3976 wrote to memory of 2848 3976 csrss.exe 118 PID 3976 wrote to memory of 2848 3976 csrss.exe 118 PID 3976 wrote to memory of 2848 3976 csrss.exe 118 PID 3976 wrote to memory of 3852 3976 csrss.exe 120 PID 3976 wrote to memory of 3852 3976 csrss.exe 120 PID 3692 wrote to memory of 1004 3692 windefender.exe 126 PID 3692 wrote to memory of 1004 3692 windefender.exe 126 PID 3692 wrote to memory of 1004 3692 windefender.exe 126 PID 1004 wrote to memory of 4144 1004 cmd.exe 127 PID 1004 wrote to memory of 4144 1004 cmd.exe 127 PID 1004 wrote to memory of 4144 1004 cmd.exe 127 -
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\7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe"C:\Users\Admin\AppData\Local\Temp\7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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C:\Users\Admin\AppData\Local\Temp\7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.exe"C:\Users\Admin\AppData\Local\Temp\7d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32.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:4952 -
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:3248
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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:1552 -
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:2848
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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:1656
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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:564
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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:3976 -
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:1452
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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:2728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2308
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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:4412
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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:2848
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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:3852
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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:4008
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3692 -
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:1004 -
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:4144
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4168
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
MD5bf40f949eb40989601f4d53993601375
SHA1b94df885ab8c88c7da0672e2080de255ead57a2f
SHA256a1dcf4c38103326b7dfba610c6bb699a5f61af4f31238ce903e3c27b017acd1b
SHA512d81e401a6433aafc7cc55ca9a96a62f89987ea1b7ea9d8f92320227b69d03af1ab5c9c28851e05d51c4044d55b186e8de82f43e9878bb973a3d50613525796e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c24f4284435427be3d523fa6de1ae3e
SHA125aae29bec7153b6de2c63f6c0414a57be7fed0a
SHA25604a51051278a2ff68f85ac355b0730ee33f55ec788bb79f45d43b412b2bc3481
SHA5126ad5c199c9c0a0a7cf0afae116138c4ef21e1da9f132befbc2ea2f3547892fb7b2ed0587c30d436aaf99f8df6b6d4fa7167cb54e6a7d57a7b5209ff2f932a9d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540042efb26bd9644954c847954e6d13d
SHA175e5f792697a141b73c06b87e60ad71b3499ef6d
SHA256ae01fcad9e6a1ff449db9e90d341be52f4ba6f6b9019384e09e8f373c56aecf1
SHA5127b03784ed4eb37e351741bb17923871d24eaf7d6d7ff358897c156ac380b26004f5e3fc64a270a59338a95559744aa81a620d86f34cf35fe953987d988cec73d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee7247a779dec3024e7443750a4f430f
SHA10fb6dd31e5bd2f608a337eb92207cabf5cd82522
SHA256e1d41c2144d80d2f13b332e729dd39e1f16962bc497fd5dc37bdfd2bc83b24af
SHA512cbeb0701fa67e185edce037866193f206c75bc5de06a10941f01f0edf727abf112bdf0379cb0f11dbccbb52a569eab2d87c8c9853596aac751157c964f9d9cb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549373975cb6319748cec0727c3fa84aa
SHA192198b2cc9793e386842edc289029876d8e326d4
SHA2565ebf0316417f31c2e191815e976edca98a4f71182d25cbf6d7db212edbcaf3a7
SHA512f1ccb754e6148da7c6aab37cb716a4afe6eaf8d7afb4bc66ef6194e3a2cb3c36575421f6f2d1f67d190b794245bed97c3224f013cd23d63627d3e414317b92d2
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Filesize
4.1MB
MD59fb778245b7df974e5ad24c77d3ba95b
SHA111038aacc9774752e1cab7670a0fbc9ba58766df
SHA2567d40a83b7c45d0ab2e2687e70ca628855164e6fd61a29e14ad9e0598872b6b32
SHA51234a8d6c3f9c752127492fc1de12b1c24f773ced0ac4126118ac7b3f43b7eade8435e9164d6bb4cd0f348328e530a87558004298e7e069c7b0e50580ddc7ae458
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec