Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe
Resource
win10v2004-20240419-en
General
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Target
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe
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Size
4.2MB
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MD5
1aa29d938417519306f2cc39fac09ef1
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SHA1
ba0ce7f5d235870b8a6f0155fff64d4206012b77
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SHA256
37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a
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SHA512
3db6cf81dc573bcc8a3bd19d28c6b96908fb5a0cffccb112f6626277a637462b48532202f00bfbb35e7032cf60eda5a386c3be907023df90169ae9ed1d4f122b
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SSDEEP
98304:5Fm33nTRQYXLAJmF7JMhpwIV/CevqNafpDPjSEtx+w/pLn:8dAuJMhpXpCevqOr2EtxJ/Nn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4648-2-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/4648-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4648-104-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/2580-132-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4648-156-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/4648-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4844-214-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-224-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-227-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-230-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-233-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-236-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-239-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-242-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-245-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-248-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-251-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-254-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/4844-257-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1404 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4844 csrss.exe 3236 injector.exe 876 windefender.exe 2616 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023bcb-217.dat upx behavioral1/memory/876-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/876-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2616-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2616-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4668 sc.exe -
pid Process 4832 powershell.exe 5020 powershell.exe 4804 powershell.exe 2248 powershell.exe 3864 powershell.exe 4108 powershell.exe 2552 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 1280 schtasks.exe 768 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-591 = "Malay Peninsula Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.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" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4804 powershell.exe 4804 powershell.exe 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2248 powershell.exe 2248 powershell.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 3864 powershell.exe 3864 powershell.exe 3864 powershell.exe 4108 powershell.exe 4108 powershell.exe 4108 powershell.exe 2552 powershell.exe 2552 powershell.exe 2552 powershell.exe 4832 powershell.exe 4832 powershell.exe 5020 powershell.exe 5020 powershell.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 4844 csrss.exe 4844 csrss.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 4844 csrss.exe 4844 csrss.exe 3236 injector.exe 3236 injector.exe 4844 csrss.exe 4844 csrss.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe 3236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Token: SeImpersonatePrivilege 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeSystemEnvironmentPrivilege 4844 csrss.exe Token: SeSecurityPrivilege 4668 sc.exe Token: SeSecurityPrivilege 4668 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4648 wrote to memory of 4804 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 86 PID 4648 wrote to memory of 4804 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 86 PID 4648 wrote to memory of 4804 4648 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 86 PID 2580 wrote to memory of 2248 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 2580 wrote to memory of 2248 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 2580 wrote to memory of 2248 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 96 PID 2580 wrote to memory of 4928 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 100 PID 2580 wrote to memory of 4928 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 100 PID 4928 wrote to memory of 1404 4928 cmd.exe 103 PID 4928 wrote to memory of 1404 4928 cmd.exe 103 PID 2580 wrote to memory of 3864 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 104 PID 2580 wrote to memory of 3864 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 104 PID 2580 wrote to memory of 3864 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 104 PID 2580 wrote to memory of 4108 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 106 PID 2580 wrote to memory of 4108 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 106 PID 2580 wrote to memory of 4108 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 106 PID 2580 wrote to memory of 4844 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 110 PID 2580 wrote to memory of 4844 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 110 PID 2580 wrote to memory of 4844 2580 37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe 110 PID 4844 wrote to memory of 2552 4844 csrss.exe 111 PID 4844 wrote to memory of 2552 4844 csrss.exe 111 PID 4844 wrote to memory of 2552 4844 csrss.exe 111 PID 4844 wrote to memory of 4832 4844 csrss.exe 116 PID 4844 wrote to memory of 4832 4844 csrss.exe 116 PID 4844 wrote to memory of 4832 4844 csrss.exe 116 PID 4844 wrote to memory of 5020 4844 csrss.exe 119 PID 4844 wrote to memory of 5020 4844 csrss.exe 119 PID 4844 wrote to memory of 5020 4844 csrss.exe 119 PID 4844 wrote to memory of 3236 4844 csrss.exe 121 PID 4844 wrote to memory of 3236 4844 csrss.exe 121 PID 876 wrote to memory of 2656 876 windefender.exe 128 PID 876 wrote to memory of 2656 876 windefender.exe 128 PID 876 wrote to memory of 2656 876 windefender.exe 128 -
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\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4804
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C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.exe"C:\Users\Admin\AppData\Local\Temp\37dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a.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:2580 -
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:2248
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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:4928 -
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:1404
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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:3864
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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:4108
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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:4844 -
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:2552
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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:1280
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:468
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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:4832
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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:5020
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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:3236
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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:768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:876 -
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:2656
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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
- Suspicious use of AdjustPrivilegeToken
PID:4668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2616
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
MD5298535469e1e4f71b8207e8df869e923
SHA1ad12200a115572f389386950ea6710fead9af0d3
SHA256d0164590e5e23a786e7d3c51b1f5087fb55dee9e66b3558c17d0da4e831652dc
SHA51250e8f55c51cd6846d43fc28f06ceef00066d162f31b53ef19640acd5487c4959b822696c5ec2ae145b851c49d61a18584d2cad2c3a896bc396d0b309f503b168
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd0683617500fc4f3b0e087096122665
SHA180596900ebfe6867bcd83b967fb0470f612716e4
SHA256a1b130466de81d034dffc3aaeaa0981488511d5fae7189fdf824dcff60f0a862
SHA512fc89a26283fc1edaa49f88a51c9d88ad1a05e1fcf445aed11e422188eea52c42da5f983b487553f1d98a96be8b652f9f469dc34ed61f44ef41f5bdb35783bcb3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f33e9100eeca59e90e874e0ac7cbd8f
SHA11599a2f34443f33ea6c71a111c35f31fdb7684f7
SHA256a2e512030bcdec722acb7c9033812324b89b1d8142e051f974ceca269be9b627
SHA512d9ed9ab020ad011958af7c76a6d5d064fd49d94c9ad12ccaa2f94abd704c2c8ab459e59ded9c46ccc39a75d88cce5de7380b5df9140440fa6f852fca3ee0c5a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55783b2343cb4e044be73c9f134106e60
SHA1323a5d9f2ad92d50c9e62150791ca15d2cedf330
SHA2565aa7417ad60dbd4a4d125be9d26ab67659fd6ceeaabe9f145d182f25ba72d4d4
SHA512671e536e1e8fc68e7a5d19e9ae03f03d5144da7d4912d7f55ebbdefaa360ab9a8b8c6919b6f4bff9831d9a043f21a27bfe11514a03f3b7befc460a27e53f1200
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3682b8adcf50e0181975025374d0f27
SHA1231fc831feaf33deaa9023cfd4f133fc3a1a922f
SHA256a4d2137df9b0cd926113d568f50f5fa9fbdd518f5bd87b05749a7806e2ee3fea
SHA5121eeb063adbbc414837bccd73e0e03bc28453a95486c7938622dd9400737cffb40cf532158fc87a8ef2c88f46e6fe35931304951dfe9f5351f0c651862cc81f11
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Filesize
4.2MB
MD51aa29d938417519306f2cc39fac09ef1
SHA1ba0ce7f5d235870b8a6f0155fff64d4206012b77
SHA25637dda02a5b4213446dba7761990d4e88b862485797952201ee79eff1bdac283a
SHA5123db6cf81dc573bcc8a3bd19d28c6b96908fb5a0cffccb112f6626277a637462b48532202f00bfbb35e7032cf60eda5a386c3be907023df90169ae9ed1d4f122b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec