Analysis
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max time kernel
13s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:44
Static task
static1
Behavioral task
behavioral1
Sample
0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe
Resource
win10v2004-20240226-en
General
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Target
0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe
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Size
4.1MB
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MD5
832d41d0d9ea4f0d9e6b4c2d4475bd5b
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SHA1
e74805a2b55e51ac185358861cf18be2e9f55f93
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SHA256
0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd
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SHA512
e904bb83d9770c38db8496b4c25c275e429397e6af361476802cbb1221c3ecbb2d306f57429cc8cd6332d69aa1be1034762af9aca58260c6a4a2982a56a8a5f3
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SSDEEP
98304:t/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIp:t/oSJg9H959pd0eCv1HALS6
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral2/memory/2620-2-0x0000000004DB0000-0x000000000569B000-memory.dmp family_glupteba behavioral2/memory/2620-132-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2620-134-0x0000000004DB0000-0x000000000569B000-memory.dmp family_glupteba behavioral2/memory/2620-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2448-196-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-199-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-209-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1668-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5028 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1668 csrss.exe -
resource yara_rule behavioral2/memory/2104-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa1d-205.dat upx behavioral2/memory/2104-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2356-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.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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Drops file in System32 directory 6 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 -
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 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe File created C:\Windows\rss\csrss.exe 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 232 sc.exe -
pid Process 2588 powershell.exe 3752 powershell.exe 3032 powershell.exe 3144 powershell.exe 692 powershell.exe 1784 powershell.exe 4672 powershell.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 1828 schtasks.exe 3860 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 2588 powershell.exe 2588 powershell.exe 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 3752 powershell.exe 3752 powershell.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 3032 powershell.exe 3032 powershell.exe 3144 powershell.exe 3144 powershell.exe 692 powershell.exe 692 powershell.exe 1784 powershell.exe 1784 powershell.exe 4672 powershell.exe 4672 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 2588 powershell.exe Token: SeDebugPrivilege 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Token: SeImpersonatePrivilege 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 692 powershell.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2620 wrote to memory of 2588 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 81 PID 2620 wrote to memory of 2588 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 81 PID 2620 wrote to memory of 2588 2620 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 81 PID 2448 wrote to memory of 3752 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 87 PID 2448 wrote to memory of 3752 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 87 PID 2448 wrote to memory of 3752 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 87 PID 2448 wrote to memory of 1932 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 89 PID 2448 wrote to memory of 1932 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 89 PID 1932 wrote to memory of 5028 1932 cmd.exe 91 PID 1932 wrote to memory of 5028 1932 cmd.exe 91 PID 2448 wrote to memory of 3032 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 92 PID 2448 wrote to memory of 3032 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 92 PID 2448 wrote to memory of 3032 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 92 PID 2448 wrote to memory of 3144 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 94 PID 2448 wrote to memory of 3144 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 94 PID 2448 wrote to memory of 3144 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 94 PID 2448 wrote to memory of 1668 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 96 PID 2448 wrote to memory of 1668 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 96 PID 2448 wrote to memory of 1668 2448 0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe 96 PID 1668 wrote to memory of 692 1668 csrss.exe 97 PID 1668 wrote to memory of 692 1668 csrss.exe 97 PID 1668 wrote to memory of 692 1668 csrss.exe 97 PID 1668 wrote to memory of 1784 1668 csrss.exe 103 PID 1668 wrote to memory of 1784 1668 csrss.exe 103 PID 1668 wrote to memory of 1784 1668 csrss.exe 103 PID 1668 wrote to memory of 4672 1668 csrss.exe 105 PID 1668 wrote to memory of 4672 1668 csrss.exe 105 PID 1668 wrote to memory of 4672 1668 csrss.exe 105 -
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\0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe"C:\Users\Admin\AppData\Local\Temp\0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588
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C:\Users\Admin\AppData\Local\Temp\0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.exe"C:\Users\Admin\AppData\Local\Temp\0270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd.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:2448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3752
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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:1932 -
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:5028
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:692
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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:1828
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2080
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4672
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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⤵PID:720
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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:3860
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:2104
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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⤵PID:2664
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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
PID:232
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:2356
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a967c94b5dc9cd5234ff6994383ad7e
SHA1bd41c1fcef1aab3a591534896e4efa97edd7c48b
SHA2560b52f413876cff2070eaad5af0e458e5ba79b8e4ed6da6e216b966ffdc10672c
SHA5128b421bba3961ad1261e6b91d58239e3ff0b568591b974069de3ee5fb5aaef6dc6b832b9535cd6ad7d3cdc6601b0db4dc829dc9b11747903e171296e2aba02cf0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53faa1beffa7d466f8658b56113b41da4
SHA133f5989ef9f34e9918b97dc13d79cbd7c3607e9e
SHA25683ddfa5017357e21d424e520180c99362a45f7433450a8b44420d573b193ef14
SHA5128ae6658f26ba1a064a72e5805ce972623db76cccb511cbdfe83bddbdbc2b42779602ce9bd8e1dd99ad58c5edc413bcd647e2c830d3e4ffcc8c60197827571d10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5961bdd3b2a93e3a72a2df16fb23e4380
SHA1a7738d1005e8463f05efec092746858ca9d88b43
SHA2566e8cc5e8805f8a8e89731ab64cc091efc898a430290b56c896cf66ed6a9dfb8d
SHA512877c76627d39115dfd169f7db838ba091e8b6e35f81b9ca6cc18676799fb1c06b881d1d87752fbc262d9de5fa43d0429c8d246e6d7be4e1ec42178a9b1ecac9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500631341e6cde08264496ec996d1c618
SHA1b33c8ef3b760e84718ee96b67727840f9726a37a
SHA256c08d140a0bbbe420666bc94782c2059679fd66399afa66829de1a97945976e12
SHA512d8bacb575965db22da549aedebee43108a969a1f56387b45d6ef709766f352d301afa4e1399cbc912b33e7e22fa44103abf8797185827ccc8549e95dc8062965
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5495a758882e391fa832cf5648c3fd09f
SHA1b08382c32b620da1cf8214c928d0338f276b3c89
SHA256d8601ac9d674e356d6c0922e1b94da20224217bd64049bd8bc3147c393af77cc
SHA5124d23ed65ec228e4f4d8fc139871aee50c015cd682ad32a70e69a8396fe6504d198c8d4f4ad6feb1eb70959f979edf6898176f6a3b940596c88ecd0e5b45ecb6c
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Filesize
4.1MB
MD5832d41d0d9ea4f0d9e6b4c2d4475bd5b
SHA1e74805a2b55e51ac185358861cf18be2e9f55f93
SHA2560270710d1bc2ed8036351f8fd17b953c20d470e93206590b1664ad799d1e21bd
SHA512e904bb83d9770c38db8496b4c25c275e429397e6af361476802cbb1221c3ecbb2d306f57429cc8cd6332d69aa1be1034762af9aca58260c6a4a2982a56a8a5f3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec