Analysis
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max time kernel
17s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 19:14
Static task
static1
Behavioral task
behavioral1
Sample
19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe
Resource
win10v2004-20240426-en
General
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Target
19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe
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Size
4.1MB
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MD5
81e378ac318044313f5c4a42abec4932
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SHA1
5504fc7a9133003de50ea58d11672647a07bee33
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SHA256
19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9
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SHA512
f9609f914be828516cb1d16940ae5c553e3dda7f5232a3a46518fe932c94887098de16b4c082436ce23f66ef7871964fde88a42d2077e29a017a9dc8bb3b1775
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SSDEEP
98304:aZ3eWnmCP3Day+MGMrrH7Rp/OOmeNALbhxcJ3GFuqO9B+e2R0FJz:AufQJ+wrvRp/OL3LVxY3GFuq2BkwJz
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/4684-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4684-58-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4684-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4684-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2284-135-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1404-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2072 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1404 csrss.exe -
resource yara_rule behavioral1/files/0x0008000000023416-222.dat upx behavioral1/memory/4104-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/956-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4104-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/956-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/956-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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 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 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe File created C:\Windows\rss\csrss.exe 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2804 sc.exe -
pid Process 1856 powershell.exe 4404 powershell.exe 4504 powershell.exe 3664 powershell.exe 2420 powershell.exe 2780 powershell.exe 3444 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 4112 schtasks.exe 2204 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-142 = "Canada Central Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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,-2791 = "Novosibirsk Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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,-272 = "Greenwich Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.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,-2632 = "Norfolk Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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,-434 = "Georgian Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe 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,-261 = "GMT Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-2452 = "Saint Pierre Standard Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1856 powershell.exe 1856 powershell.exe 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 4404 powershell.exe 4404 powershell.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 4504 powershell.exe 4504 powershell.exe 3664 powershell.exe 3664 powershell.exe 2420 powershell.exe 2420 powershell.exe 2780 powershell.exe 2780 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Token: SeImpersonatePrivilege 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 2420 powershell.exe Token: SeDebugPrivilege 2780 powershell.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4684 wrote to memory of 1856 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 85 PID 4684 wrote to memory of 1856 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 85 PID 4684 wrote to memory of 1856 4684 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 85 PID 2284 wrote to memory of 4404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 95 PID 2284 wrote to memory of 4404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 95 PID 2284 wrote to memory of 4404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 95 PID 2284 wrote to memory of 3656 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 99 PID 2284 wrote to memory of 3656 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 99 PID 3656 wrote to memory of 2072 3656 cmd.exe 101 PID 3656 wrote to memory of 2072 3656 cmd.exe 101 PID 2284 wrote to memory of 4504 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 102 PID 2284 wrote to memory of 4504 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 102 PID 2284 wrote to memory of 4504 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 102 PID 2284 wrote to memory of 3664 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 106 PID 2284 wrote to memory of 3664 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 106 PID 2284 wrote to memory of 3664 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 106 PID 2284 wrote to memory of 1404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 108 PID 2284 wrote to memory of 1404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 108 PID 2284 wrote to memory of 1404 2284 19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe 108 PID 1404 wrote to memory of 2420 1404 csrss.exe 109 PID 1404 wrote to memory of 2420 1404 csrss.exe 109 PID 1404 wrote to memory of 2420 1404 csrss.exe 109 PID 1404 wrote to memory of 2780 1404 csrss.exe 115 PID 1404 wrote to memory of 2780 1404 csrss.exe 115 PID 1404 wrote to memory of 2780 1404 csrss.exe 115 PID 1404 wrote to memory of 3444 1404 csrss.exe 117 PID 1404 wrote to memory of 3444 1404 csrss.exe 117 PID 1404 wrote to memory of 3444 1404 csrss.exe 117 -
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\19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe"C:\Users\Admin\AppData\Local\Temp\19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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C:\Users\Admin\AppData\Local\Temp\19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.exe"C:\Users\Admin\AppData\Local\Temp\19b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9.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:2284 -
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:4404
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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:3656 -
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:2072
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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:4504
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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:3664
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1404 -
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:2420
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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:4112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4404
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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:2780
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
PID:3444
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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:2108
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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:2204
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:4104
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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:4116
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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:2804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:956
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
MD537786dccabe7a6ddad0ef86f19f7defa
SHA1a919655784ec024603d0743fa61a2420cea148f2
SHA256260b62de5a463eead55b1499694f0462920cec6b5564c2c33755dd6d52f859dc
SHA5129c0448492ec581b2e8911c651af40b89f76a5a7fe978a1d0111460d9c8d306cf829d5c7f060ddc571d45153bac5f6468c6b9fa19e0e4949655bf6b23bd493510
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a62d77a6a2460df5fe2ba038caef8478
SHA1fda6fbe786adc07d19567ac8342a8b910f19a1d1
SHA256f21a5a6f40f23977907edd24cc628f725f1cdc829c2bfdeeaf6f84374c6176b0
SHA512d1b5ac305584b77589dfe00bf191bc6a066e60f08c01ba80b75224b8a6bc16c22f2288b5a69aad0b1a5f617cfb2a65e285a103dd5abc4c69466736d602e1f2ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5155db676c7743d0cbaad736dc1dbd564
SHA18f22a59337d5d26e3fd324c6e750de39425d93df
SHA256a7a13420a59ece2f1385b48f62e618df5c1b6de5cc19347cfd6b13da9c90155c
SHA5123775250a2c2448e93316f2f70c70e406a63e40291b1637e5395bb011fc6262a9491318d1824bc2ce1e8bb777a843ef8340500daa87af6cc7c461c9d9f6d5f81d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed613f9680fc2cb83833587a90f491a4
SHA18e60304b1a0e511c6c5e3b50a3e7911fbd129118
SHA2565892ef0acc3248ae4263124147e16180eecddd1c33bb750e60a96601b32c4960
SHA512d30304269891bfa5cd91fef3f3c7e517773e4c63dbc8723b38f6bcbd9841a3df114d5b7af9c1e1b9f4487343c96870f7392b6bc6ec18f5dba6e53c2d51500512
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51bc34bbfbccf84fbedf28b02111b57cc
SHA1c62b26986be161d079991bf39eda93c24e6b9659
SHA256f17bca036ab6d6890a074d6309428a061129715651bdd215a2bd09b3846746e2
SHA512552fb0f56bb763161152d4045f1e253012e66f497bd94ec787f9e53a5de8a465428f34c232083d9173160a20a841eaa2922fb16e79dec2acdac503fb8898f274
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Filesize
4.1MB
MD581e378ac318044313f5c4a42abec4932
SHA15504fc7a9133003de50ea58d11672647a07bee33
SHA25619b2b49460bea45273c5bc6b1b959b0771ca4bed21c94a2f0895f940a6a20ac9
SHA512f9609f914be828516cb1d16940ae5c553e3dda7f5232a3a46518fe932c94887098de16b4c082436ce23f66ef7871964fde88a42d2077e29a017a9dc8bb3b1775
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec