Analysis
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max time kernel
150s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 19:25
Static task
static1
Behavioral task
behavioral1
Sample
a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe
Resource
win10v2004-20240412-en
General
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Target
a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe
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Size
4.2MB
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MD5
c72d2ee8d193208f967ba4b03bb49e23
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SHA1
9abdb78f0beba2baddade1fc11a1f044f238fd76
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SHA256
a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576
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SHA512
4aa3cb46e588863f96e7b0c7535a4c8d933c4c7d6d2d4220914665e6f5cc488620f46534dd1d36fc459c76fcd00e31ee44378439f06961c840d3b652c5ae2708
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SSDEEP
98304:Tz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29s:TzvuvT/7/zVIWAQdeNfIWzX0W6tA42i
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1792-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/1792-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1792-45-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3068-54-0x0000000005240000-0x0000000005B2B000-memory.dmp family_glupteba behavioral2/memory/3068-55-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1792-68-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3068-88-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3068-115-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3068-120-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3068-152-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-182-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-229-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-249-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-259-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-262-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-265-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-268-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-271-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-274-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2928-277-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4716 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2928 csrss.exe 3600 injector.exe 1324 windefender.exe 992 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa55-252.dat upx behavioral2/memory/1324-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/992-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/992-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\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 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 -
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 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe File created C:\Windows\rss\csrss.exe a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.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 364 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 1180 schtasks.exe 4720 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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay 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" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard 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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight 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)" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.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\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 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" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard 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,-2872 = "Magallanes Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2556 powershell.exe 2556 powershell.exe 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 820 powershell.exe 820 powershell.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 3544 powershell.exe 3544 powershell.exe 2848 powershell.exe 2848 powershell.exe 2160 powershell.exe 2160 powershell.exe 672 powershell.exe 672 powershell.exe 2136 powershell.exe 2136 powershell.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 2928 csrss.exe 2928 csrss.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 2928 csrss.exe 2928 csrss.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 2928 csrss.exe 2928 csrss.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe 3600 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Token: SeImpersonatePrivilege 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe Token: SeDebugPrivilege 820 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeSystemEnvironmentPrivilege 2928 csrss.exe Token: SeSecurityPrivilege 364 sc.exe Token: SeSecurityPrivilege 364 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2556 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 82 PID 1792 wrote to memory of 2556 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 82 PID 1792 wrote to memory of 2556 1792 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 82 PID 3068 wrote to memory of 820 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 87 PID 3068 wrote to memory of 820 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 87 PID 3068 wrote to memory of 820 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 87 PID 3068 wrote to memory of 1088 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 89 PID 3068 wrote to memory of 1088 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 89 PID 1088 wrote to memory of 4716 1088 cmd.exe 91 PID 1088 wrote to memory of 4716 1088 cmd.exe 91 PID 3068 wrote to memory of 3544 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 92 PID 3068 wrote to memory of 3544 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 92 PID 3068 wrote to memory of 3544 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 92 PID 3068 wrote to memory of 2848 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 95 PID 3068 wrote to memory of 2848 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 95 PID 3068 wrote to memory of 2848 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 95 PID 3068 wrote to memory of 2928 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 97 PID 3068 wrote to memory of 2928 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 97 PID 3068 wrote to memory of 2928 3068 a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe 97 PID 2928 wrote to memory of 2160 2928 csrss.exe 98 PID 2928 wrote to memory of 2160 2928 csrss.exe 98 PID 2928 wrote to memory of 2160 2928 csrss.exe 98 PID 2928 wrote to memory of 672 2928 csrss.exe 104 PID 2928 wrote to memory of 672 2928 csrss.exe 104 PID 2928 wrote to memory of 672 2928 csrss.exe 104 PID 2928 wrote to memory of 2136 2928 csrss.exe 106 PID 2928 wrote to memory of 2136 2928 csrss.exe 106 PID 2928 wrote to memory of 2136 2928 csrss.exe 106 PID 2928 wrote to memory of 3600 2928 csrss.exe 108 PID 2928 wrote to memory of 3600 2928 csrss.exe 108 PID 1324 wrote to memory of 3488 1324 windefender.exe 114 PID 1324 wrote to memory of 3488 1324 windefender.exe 114 PID 1324 wrote to memory of 3488 1324 windefender.exe 114 PID 3488 wrote to memory of 364 3488 cmd.exe 115 PID 3488 wrote to memory of 364 3488 cmd.exe 115 PID 3488 wrote to memory of 364 3488 cmd.exe 115 -
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\a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe"C:\Users\Admin\AppData\Local\Temp\a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2556
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C:\Users\Admin\AppData\Local\Temp\a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.exe"C:\Users\Admin\AppData\Local\Temp\a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576.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:3068 -
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:820
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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:1088 -
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:4716
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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:3544
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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:2848
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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:2928 -
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:2160
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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:4720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2496
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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:672
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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:2136
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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:3600
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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:1180
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1324 -
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:3488 -
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:364
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:992
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5101635a90a6734c4f13894531517f116
SHA14e4bff25e3328e1016866768af6573b38ba30441
SHA256fa9eb5318de113800aa180b77c11970b8a4d91a0dac160438bb93cac66aaf90a
SHA5127e7c7b1f1cbc3387595cc20ea40b4fdb6bea6ad2e2477754f4d28922267384055db44969d6f9b1cfacf5533a6ff1b265aeb22a64685bfdb74ad1efe45226e32e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9b5ba57835af2853c5261403cd48002
SHA1e757b627bfe5bcee9198457429ea1591a1713293
SHA2562eda8a0993446602c71624c5da7cb86f941a7e8c02be52e4d21b77284308e8f0
SHA5122a4607a25b1e490539732f7ada3ea13c59f6a11ab7da02f62e03017522aead41b3ba770e4a5cbb8bdb700fbc92579ba69bd89895b865acb4dafaee5cd474b34d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fa251586692d0182a44696b06922cb1
SHA18eee6e0be9e8ec5b3b789daffc017fd8dc4a6b8c
SHA256e1d140485584052ab59d85805e81d0ef8126cff2503ac817201e565521fb3642
SHA512de8650d646985014d73c3e4231f35b0d22bd496a103d0a5ff183fdbae57739c64799852b0aa54d1071567c6e101d67000e4ecea5b99e13b730288dd256f49ba8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2e6c572ad90b739e8ed65f8b92ac43c
SHA1f710ec2519bd631a59f78368ba321636fb27f80c
SHA25678661d80866d7c3e94c5ba15b21757950f111b3c813f413c7eb13b05022efcb8
SHA5122b52f2a073752e7d41ef026b58d2b2e376274ae8549cd78eb087d3a772bd3ac2593ff46aa62752f8de6efa8fb26ddfedc20189f0951e159438d8105526458ade
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54be12fabe2b47a3670aa63944e2e41fd
SHA17a3ba23491ce6b619ac5ec13f423515438a79279
SHA256a3889aca512f802915f788167b0ca171bfac5e112601cd064fe4a875a816f8d6
SHA512e079a5a29a1ff6b865f00575110170db6ec27ccee83bef2cc7318332c8f630666006483cf65b629493b76ea1878eeaaf725323ef49641aac02e9e822494281d3
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Filesize
4.2MB
MD5c72d2ee8d193208f967ba4b03bb49e23
SHA19abdb78f0beba2baddade1fc11a1f044f238fd76
SHA256a8a96801fbc59d67d6859771e722b3c7728d3f2d4bec7d5ead6c984342485576
SHA5124aa3cb46e588863f96e7b0c7535a4c8d933c4c7d6d2d4220914665e6f5cc488620f46534dd1d36fc459c76fcd00e31ee44378439f06961c840d3b652c5ae2708
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec