Analysis
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max time kernel
150s -
max time network
133s -
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 15:30
Static task
static1
Behavioral task
behavioral1
Sample
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe
Resource
win10v2004-20240426-en
General
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Target
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe
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Size
4.1MB
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MD5
da57e4cfdacfc7c09fee333949a64997
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SHA1
14fe352185eb6fb12fb20a103c2a118230dab52d
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SHA256
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028
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SHA512
aec750592d703509b7173b4660fe5d8f1c66a0f746d4c135f223cd4ad56ade3e52cece93b8d0532e6cb91945640c221bed935241bade05bd24cf49867cdd6a7b
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SSDEEP
98304:vQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FP:4x32Mq02zAeLCVnWszfVfeCa8CLXv/1
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2552-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/2552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2552-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2552-55-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/2552-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2164-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/436-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 436 csrss.exe 2332 injector.exe 2940 windefender.exe 2168 windefender.exe -
resource yara_rule behavioral1/memory/2940-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0008000000023445-225.dat upx behavioral1/memory/2940-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2168-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2168-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2168-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe File created C:\Windows\rss\csrss.exe 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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 808 sc.exe -
pid Process 4276 powershell.exe 2012 powershell.exe 3940 powershell.exe 4140 powershell.exe 1308 powershell.exe 4164 powershell.exe 1440 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3996 2164 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1564 schtasks.exe 1684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-172 = "Central Standard Time (Mexico)" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2012 powershell.exe 2012 powershell.exe 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 3940 powershell.exe 3940 powershell.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 4140 powershell.exe 4140 powershell.exe 1308 powershell.exe 1308 powershell.exe 4164 powershell.exe 4164 powershell.exe 1440 powershell.exe 1440 powershell.exe 4276 powershell.exe 4276 powershell.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 436 csrss.exe 436 csrss.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 436 csrss.exe 436 csrss.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 436 csrss.exe 436 csrss.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe 2332 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2012 powershell.exe Token: SeDebugPrivilege 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Token: SeImpersonatePrivilege 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 1308 powershell.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeSystemEnvironmentPrivilege 436 csrss.exe Token: SeSecurityPrivilege 808 sc.exe Token: SeSecurityPrivilege 808 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2552 wrote to memory of 2012 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 92 PID 2552 wrote to memory of 2012 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 92 PID 2552 wrote to memory of 2012 2552 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 92 PID 2164 wrote to memory of 3940 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 98 PID 2164 wrote to memory of 3940 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 98 PID 2164 wrote to memory of 3940 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 98 PID 2164 wrote to memory of 1380 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 100 PID 2164 wrote to memory of 1380 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 100 PID 1380 wrote to memory of 3908 1380 cmd.exe 102 PID 1380 wrote to memory of 3908 1380 cmd.exe 102 PID 2164 wrote to memory of 4140 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 2164 wrote to memory of 4140 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 2164 wrote to memory of 4140 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 2164 wrote to memory of 1308 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 105 PID 2164 wrote to memory of 1308 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 105 PID 2164 wrote to memory of 1308 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 105 PID 2164 wrote to memory of 436 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 107 PID 2164 wrote to memory of 436 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 107 PID 2164 wrote to memory of 436 2164 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 107 PID 436 wrote to memory of 4164 436 csrss.exe 111 PID 436 wrote to memory of 4164 436 csrss.exe 111 PID 436 wrote to memory of 4164 436 csrss.exe 111 PID 436 wrote to memory of 1440 436 csrss.exe 117 PID 436 wrote to memory of 1440 436 csrss.exe 117 PID 436 wrote to memory of 1440 436 csrss.exe 117 PID 436 wrote to memory of 4276 436 csrss.exe 119 PID 436 wrote to memory of 4276 436 csrss.exe 119 PID 436 wrote to memory of 4276 436 csrss.exe 119 PID 436 wrote to memory of 2332 436 csrss.exe 122 PID 436 wrote to memory of 2332 436 csrss.exe 122 PID 2940 wrote to memory of 640 2940 windefender.exe 129 PID 2940 wrote to memory of 640 2940 windefender.exe 129 PID 2940 wrote to memory of 640 2940 windefender.exe 129 PID 640 wrote to memory of 808 640 cmd.exe 130 PID 640 wrote to memory of 808 640 cmd.exe 130 PID 640 wrote to memory of 808 640 cmd.exe 130 -
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\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2012
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C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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:2164 -
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:3940
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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:1380 -
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:3908
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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:4140
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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:1308
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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:436 -
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:4164
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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:1564
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3184
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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:1440
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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:4276
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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:2332
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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:1684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2940 -
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:640 -
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:808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 8883⤵
- Program crash
PID:3996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2164 -ip 21641⤵PID:424
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2168
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
MD5c93899da7fcc15d87d16abc1d66ded32
SHA1483a91936f72b7402081dbf11b2af08cc325b594
SHA256a3c933ddc7e77e0145e8df7d09894b7b059cf924388c2ca3145a464d50a142c8
SHA51274703acc55f4ddb7a79bc874fd63d931b65beb9c33fd8f2ea318dc990e66b40592bb83b70692d0f5e9c43f24fca59e1a4b25f7b4131329d09f9e2c828f291c68
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe7942466998325575acf7e9d2e7a3d0
SHA143833b365f451cdb5974ec7d46cd289f7a17d850
SHA256b585cbb338c4a159aee17f4116c4251e2f972ba1fb150314cb1a9befb22a0682
SHA512b09b827bf4bf25650507e5940d8130d37a3eada231716865aa39cd7ca4c15748a9eddb9095dc766488d810f7a039542b533882f5b6f9d27f89bfa8679c7b4983
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574ab991fb5b249e24675ee5606b0125a
SHA1f80603b2591d76d87cf64e2bda6bc635d7de7d88
SHA25637e25008236fc2cc85cb492d405b79fcc4c88bea797467c897a25ceacbc6843e
SHA512a84b49e82e6f8eaf5544540b1eb1b404e909b2b959afb8d70bfd3ce600a494d975735acb808f47df5d698aec7b2d96cf0dc26fb9a88e95a3ad7a3d06f695f4cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb487af552833cb91232f9b5b9eabcf3
SHA167b732433ee3a91ac8f6aa93a1ea90feb221a2cc
SHA25635f1369033d48f8c68c4f4aab33d3c6111fccd4940028a004ca65d4115ae4ba0
SHA5124e815d3ca278a52d23d8c96c2a14cbcdc3d838aaa7d0ac6605627495fcf2d598e2dda8439c32ca4cff327b354b2bda18d26d97fb1474926afc544ab63dc73ceb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523ef238507faad81ed36a2480e7b192e
SHA1ed9608e0d5bc3bb18ffe5faa55e302b90e43cbe2
SHA256ff691e34d9e9222bfc59137825cacde53166827c4009d0ad1eb6fb8d429c785f
SHA512dd1fb16d8463c9e7ce68e8bae60a99e4f85bc435e75a53a72f74253f8960ae66bc2cd223ae81e1465ccee8455c85af130ce950a84b54f40c6504fa12057744ed
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Filesize
4.1MB
MD5da57e4cfdacfc7c09fee333949a64997
SHA114fe352185eb6fb12fb20a103c2a118230dab52d
SHA256144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028
SHA512aec750592d703509b7173b4660fe5d8f1c66a0f746d4c135f223cd4ad56ade3e52cece93b8d0532e6cb91945640c221bed935241bade05bd24cf49867cdd6a7b
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Filesize
3.6MB
MD50084fc8b4f7167db64f82d8ce5c6a77f
SHA1a4b3c8c0637731d809f08cbcacb3a089d82cb3e3
SHA2560f44c2639a5ac48a21a47104eca79bdad686c7e4282efc0c1403e7002f314293
SHA51207c2afe84a87a3c3c8b3d6f227fa48b49435664b35373dba5d1920341784c5feac99789728926af6caf1bd6da08cb189e8a4301859284206192d75621d4d0ead
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec