Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:54
Static task
static1
Behavioral task
behavioral1
Sample
e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe
Resource
win10v2004-20240508-en
General
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Target
e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe
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Size
4.1MB
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MD5
dffb41ce8960091193a2da8fab3db087
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SHA1
6d0c50eb344282cbb703c5075f31f5eecaa3b171
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SHA256
e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b
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SHA512
f08f9978ae412979e78e2cb54b52f296f6d77ea957ce125fcf44db02d4fd3c4069695532487eb6e490a715177bbb94cd420c43c0275eea282fbad25e1edd27b7
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SSDEEP
98304:BsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivF:Bs5hioeyE6OsERj43nK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2228-2-0x00000000049F0000-0x00000000052DB000-memory.dmp family_glupteba behavioral1/memory/2228-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2228-80-0x00000000049F0000-0x00000000052DB000-memory.dmp family_glupteba behavioral1/memory/2228-78-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2228-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2964-128-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2964-133-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-210-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-223-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-246-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-252-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1144-255-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4900 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1144 csrss.exe 3972 injector.exe 4284 windefender.exe 4144 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023424-218.dat upx behavioral1/memory/4284-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4284-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4144-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe File created C:\Windows\rss\csrss.exe e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.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 3392 sc.exe -
pid Process 1576 powershell.exe 4352 powershell.exe 3296 powershell.exe 3100 powershell.exe 5048 powershell.exe 3956 powershell.exe 4560 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 528 schtasks.exe 512 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.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,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar 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,-381 = "South Africa Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1576 powershell.exe 1576 powershell.exe 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 4352 powershell.exe 4352 powershell.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 3296 powershell.exe 3296 powershell.exe 3100 powershell.exe 3100 powershell.exe 5048 powershell.exe 5048 powershell.exe 3956 powershell.exe 3956 powershell.exe 4560 powershell.exe 4560 powershell.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 1144 csrss.exe 1144 csrss.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 1144 csrss.exe 1144 csrss.exe 3972 injector.exe 3972 injector.exe 1144 csrss.exe 1144 csrss.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe 3972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1576 powershell.exe Token: SeDebugPrivilege 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Token: SeImpersonatePrivilege 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 4560 powershell.exe Token: SeSystemEnvironmentPrivilege 1144 csrss.exe Token: SeSecurityPrivilege 3392 sc.exe Token: SeSecurityPrivilege 3392 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2228 wrote to memory of 1576 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 86 PID 2228 wrote to memory of 1576 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 86 PID 2228 wrote to memory of 1576 2228 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 86 PID 2964 wrote to memory of 4352 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 96 PID 2964 wrote to memory of 4352 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 96 PID 2964 wrote to memory of 4352 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 96 PID 2964 wrote to memory of 1236 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 101 PID 2964 wrote to memory of 1236 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 101 PID 1236 wrote to memory of 4900 1236 cmd.exe 103 PID 1236 wrote to memory of 4900 1236 cmd.exe 103 PID 2964 wrote to memory of 3296 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 104 PID 2964 wrote to memory of 3296 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 104 PID 2964 wrote to memory of 3296 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 104 PID 2964 wrote to memory of 3100 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 106 PID 2964 wrote to memory of 3100 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 106 PID 2964 wrote to memory of 3100 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 106 PID 2964 wrote to memory of 1144 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 108 PID 2964 wrote to memory of 1144 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 108 PID 2964 wrote to memory of 1144 2964 e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe 108 PID 1144 wrote to memory of 5048 1144 csrss.exe 109 PID 1144 wrote to memory of 5048 1144 csrss.exe 109 PID 1144 wrote to memory of 5048 1144 csrss.exe 109 PID 1144 wrote to memory of 3956 1144 csrss.exe 114 PID 1144 wrote to memory of 3956 1144 csrss.exe 114 PID 1144 wrote to memory of 3956 1144 csrss.exe 114 PID 1144 wrote to memory of 4560 1144 csrss.exe 117 PID 1144 wrote to memory of 4560 1144 csrss.exe 117 PID 1144 wrote to memory of 4560 1144 csrss.exe 117 PID 1144 wrote to memory of 3972 1144 csrss.exe 120 PID 1144 wrote to memory of 3972 1144 csrss.exe 120 PID 4284 wrote to memory of 1092 4284 windefender.exe 127 PID 4284 wrote to memory of 1092 4284 windefender.exe 127 PID 4284 wrote to memory of 1092 4284 windefender.exe 127 PID 1092 wrote to memory of 3392 1092 cmd.exe 128 PID 1092 wrote to memory of 3392 1092 cmd.exe 128 PID 1092 wrote to memory of 3392 1092 cmd.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\e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe"C:\Users\Admin\AppData\Local\Temp\e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576
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C:\Users\Admin\AppData\Local\Temp\e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.exe"C:\Users\Admin\AppData\Local\Temp\e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b.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:2964 -
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:4352
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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:1236 -
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:4900
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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:3296
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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:3100
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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:1144 -
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:5048
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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:528
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5064
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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:3956
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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:4560
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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:3972
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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:512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4284 -
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:1092 -
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:3392
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4144
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a88335ed2cc1da4ac1f2eb28dac8b6e
SHA1f2678d06b36855285170e7710928e333df3cff27
SHA25652152e8025022778b7ea3a46a5b430317b03416da6ef624719f158a8d4be7141
SHA512673bf9cadf279d65913c3ea657228cd274e014c2cf840c1c6ab753c0efc6feaa6d32702b017a05e36577784dbb27f986060b3ee0fcc9c11f64d3fe1ea950b606
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58fe2f70c2334d589a5c6b1ee5977b4bb
SHA1c9706e69fc4fdfd75ef7e281c09fc779cdec161b
SHA2563ede67f32d6b37fda213555603593c4809dcdf18148244a23ca0f94cd1a592cc
SHA51234b3e38701939361acd183a50fe2a3ba42c5b406f326985fb4f860b1b01448fb19456ea3a48305e1bc8c1ef7ee8c62806206b381f924a10feb5de68475a5dcd2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdebe0603fd265eefa4e3017cea94501
SHA112524840414bf6f8d6f8126bdc45b57eba58c1bd
SHA256386e0e109170f3ed04b93cd17847530d9f72367f127983fab9e2c285456a58a5
SHA51231bb79b959440fa9d1b3e64ba3e98c389c8c801424a4d171612c04c37e9ea8e5f21cf83090e72c65adad940e2538aec4d54bf95f7bdbcabc8c8c6fa22544e5f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5000bc65fb433e79d31e11b19880d7599
SHA1df7edfeaf62ff8f0f628f911c17c6a5f673c7136
SHA256e545738b1d8c1c1fef362b0711a4497747e364a1174b4a994c3d73a5b0885c07
SHA512b869cdbbc44cfb00a92eb5878b17f534fd264c7dcafed3e985ad5f826d61be1761016ed8decef9e6f211d0317be320373be6cbf807e70b338e7d7353d46972cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5fa29958eb0fe9c14349e938c7466a2
SHA1518dce0939ed949e32b722c112cf8df0e50385f6
SHA25626014ce7f80e40810628b5b821f48b2040d3bef430bc7ea028f48e40759fc446
SHA5123601dd9307a2b7a77e7654006fba0e8297903ff27c3529caa294618ba163989ddb6d0fb0b28273fbdfc341e53eca54e8210345970608043d5d28e550f1d09717
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Filesize
4.1MB
MD5dffb41ce8960091193a2da8fab3db087
SHA16d0c50eb344282cbb703c5075f31f5eecaa3b171
SHA256e921a2a7337ed50eed7703c0139f9f9a3818af9b7306cdfa13fe25b10466ee6b
SHA512f08f9978ae412979e78e2cb54b52f296f6d77ea957ce125fcf44db02d4fd3c4069695532487eb6e490a715177bbb94cd420c43c0275eea282fbad25e1edd27b7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec