Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 21:54
Static task
static1
Behavioral task
behavioral1
Sample
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe
Resource
win10v2004-20240508-en
General
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Target
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe
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Size
4.1MB
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MD5
92463914e0bb0fe1eeda0c9d9f6ad7de
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SHA1
155d5ad10a505b7494cc36c79950ee992039783f
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SHA256
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19
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SHA512
3dc13db1cf106a2dc43cba78d746cffb56f01266a7ba422e11852081e780ae73c4fa36efcbfdf62e70595ce8a52c548ec726e6a13afd67a91d5bdbe471c076b1
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SSDEEP
98304:t/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIO:t/oSJg9H959pd0eCv1HALSN
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2536-2-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/2536-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2536-82-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2536-129-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral1/memory/4216-134-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2536-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2292-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/2292-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3108 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2292 csrss.exe 2864 injector.exe 3272 windefender.exe 4904 windefender.exe -
resource yara_rule behavioral1/files/0x0010000000023365-219.dat upx behavioral1/memory/3272-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3272-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4904-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4904-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe File created C:\Windows\rss\csrss.exe 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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 1176 sc.exe -
pid Process 3276 powershell.exe 5116 powershell.exe 1976 powershell.exe 680 powershell.exe 4524 powershell.exe 4420 powershell.exe 1352 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 4564 schtasks.exe 220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-2891 = "Sudan Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3276 powershell.exe 3276 powershell.exe 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 5116 powershell.exe 5116 powershell.exe 5116 powershell.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 1976 powershell.exe 1976 powershell.exe 680 powershell.exe 680 powershell.exe 4524 powershell.exe 4524 powershell.exe 4420 powershell.exe 4420 powershell.exe 1352 powershell.exe 1352 powershell.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2292 csrss.exe 2292 csrss.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2292 csrss.exe 2292 csrss.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2292 csrss.exe 2292 csrss.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Token: SeImpersonatePrivilege 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeSystemEnvironmentPrivilege 2292 csrss.exe Token: SeSecurityPrivilege 1176 sc.exe Token: SeSecurityPrivilege 1176 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2536 wrote to memory of 3276 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 83 PID 2536 wrote to memory of 3276 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 83 PID 2536 wrote to memory of 3276 2536 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 83 PID 4216 wrote to memory of 5116 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 95 PID 4216 wrote to memory of 5116 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 95 PID 4216 wrote to memory of 5116 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 95 PID 4216 wrote to memory of 528 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 98 PID 4216 wrote to memory of 528 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 98 PID 528 wrote to memory of 3108 528 cmd.exe 100 PID 528 wrote to memory of 3108 528 cmd.exe 100 PID 4216 wrote to memory of 1976 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 103 PID 4216 wrote to memory of 1976 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 103 PID 4216 wrote to memory of 1976 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 103 PID 4216 wrote to memory of 680 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 106 PID 4216 wrote to memory of 680 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 106 PID 4216 wrote to memory of 680 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 106 PID 4216 wrote to memory of 2292 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 110 PID 4216 wrote to memory of 2292 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 110 PID 4216 wrote to memory of 2292 4216 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 110 PID 2292 wrote to memory of 4524 2292 csrss.exe 111 PID 2292 wrote to memory of 4524 2292 csrss.exe 111 PID 2292 wrote to memory of 4524 2292 csrss.exe 111 PID 2292 wrote to memory of 4420 2292 csrss.exe 117 PID 2292 wrote to memory of 4420 2292 csrss.exe 117 PID 2292 wrote to memory of 4420 2292 csrss.exe 117 PID 2292 wrote to memory of 1352 2292 csrss.exe 119 PID 2292 wrote to memory of 1352 2292 csrss.exe 119 PID 2292 wrote to memory of 1352 2292 csrss.exe 119 PID 2292 wrote to memory of 2864 2292 csrss.exe 121 PID 2292 wrote to memory of 2864 2292 csrss.exe 121 PID 3272 wrote to memory of 2232 3272 windefender.exe 130 PID 3272 wrote to memory of 2232 3272 windefender.exe 130 PID 3272 wrote to memory of 2232 3272 windefender.exe 130 PID 2232 wrote to memory of 1176 2232 cmd.exe 131 PID 2232 wrote to memory of 1176 2232 cmd.exe 131 PID 2232 wrote to memory of 1176 2232 cmd.exe 131 -
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\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3276
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C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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:4216 -
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:5116
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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:528 -
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:3108
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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:1976
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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:680
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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:2292 -
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:4524
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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:4564
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2336
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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:4420
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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:1352
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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:2864
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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:220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3272 -
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:2232 -
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:1176
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4904
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c231b9ef64bae64d01786011a9eac20
SHA1233bc1b519ddc220ec8e3e9c48c3acbf14e8caad
SHA256f5e27b6fdab5d532edd00b21a81cb7912bca25fc6ce4ac427ac2b592bf3233d9
SHA512ac9b9990b360c0bcaebcd7bb0b5e6dcf52cd35e20a491de27781164949fb4d79e98e4030caa72bd9affbea6f6c974b4b5c7eed278436ef12a831967e33c9fc2e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504cf1f38b0f9272d7a41374cbb5b2bd8
SHA1c1f4001497862a017911f0a00f0fbd76745283a9
SHA25630b7480dd2aeb5c8bced5206559ba5d28b96ead3dfc779639873aaf63a1bed4e
SHA5120b0dc59b901149c7204c4b039bffd37ee259a3c81902489e778b3efe935083df971063722c72d4e27ceffaf171ff26ccd3cf6bbc7e06ab9a1e680cb10eb30cfa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc7ede447ae5472c616037baea71106c
SHA1914d1aa00eeabe13c62ea480d4313ffa05a87bce
SHA256242a725dd3e2b97d9c714d973b9ab8ddc93e322b08fabfadef29147f1fc5a1a8
SHA512c4d714475b96a0b39412195786172c70a41f1381e92bdafa5a408b0f1c3c798b6afd7cc5c2fa7cda2f4fc2f99190542769b7a261dc63863deaa816b486d0cfca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8050bdc02f10a5d71e80f324a59f6cf
SHA173a618d17a9d41f7bc39cf7f8a6cb0eaf81394d0
SHA2560b4f8957d256de5e53839e93bca6e18b57d828d0b9866d4846b7093541a106bc
SHA5125c9e6852d05f99b1e3634ccd878d36cb944941587b4fa6822c5f64b6f6ee95c26766f36ec38ea4d017a71710d7c82f76ed32c1eb441b9e2679bdfc75ac23c96c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de9bddca59cb500875ad767a3f77d2f8
SHA1a9d31252ad2427537c9e322c93f88e467160d08c
SHA256f5e4383d9f675fab35f119b6b216ddc862e9491a449e3857ce14c3986618a050
SHA512bdf5fa2a7e27c4780b98d94b5b4958ecb2bbe0c82470dd41fa0c06c5845cb464a3bc7b0c2f47dcbeef641a7cf6cfb0d8ed66beb786cd48c8043caf7b9a47dbec
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Filesize
4.1MB
MD592463914e0bb0fe1eeda0c9d9f6ad7de
SHA1155d5ad10a505b7494cc36c79950ee992039783f
SHA2564d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19
SHA5123dc13db1cf106a2dc43cba78d746cffb56f01266a7ba422e11852081e780ae73c4fa36efcbfdf62e70595ce8a52c548ec726e6a13afd67a91d5bdbe471c076b1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec