Analysis
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max time kernel
150s -
max time network
144s -
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 15:46
Static task
static1
Behavioral task
behavioral1
Sample
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe
Resource
win10v2004-20240426-en
General
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Target
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe
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Size
4.1MB
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MD5
e9a12479e3f081a7659e0b73fb5baa3a
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SHA1
cccc590e656973ff713053889464b55bb0e99bb7
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SHA256
137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba
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SHA512
6107535742ac0d27b8524ffb0067a832ebdd7b05afd55ad49ae685fc6b63d693c5b8eff0d4850037ad698fd150a4ecb8436cb1a7eca1e1c512194f5c90963eef
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SSDEEP
98304:/Qx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FH:Ix32Mq02zAeLCVnWszfVfeCa8CLXv/Z
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2532-2-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/2532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2532-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2532-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2532-57-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/2532-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4708-86-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4708-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-177-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2076-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 216 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2076 csrss.exe 4300 injector.exe 2176 windefender.exe 1640 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023479-225.dat upx behavioral1/memory/2176-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2176-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1640-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1640-236-0x0000000000400000-0x00000000008DF000-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\"" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe File created C:\Windows\rss\csrss.exe 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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 5104 sc.exe -
pid Process 4836 powershell.exe 4232 powershell.exe 1028 powershell.exe 3956 powershell.exe 2056 powershell.exe 2664 powershell.exe 3632 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 5096 schtasks.exe 944 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard 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" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard 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\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4836 powershell.exe 4836 powershell.exe 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4232 powershell.exe 4232 powershell.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 1028 powershell.exe 1028 powershell.exe 3956 powershell.exe 3956 powershell.exe 2056 powershell.exe 2056 powershell.exe 2664 powershell.exe 2664 powershell.exe 3632 powershell.exe 3632 powershell.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 2076 csrss.exe 2076 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 2076 csrss.exe 2076 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 2076 csrss.exe 2076 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Token: SeImpersonatePrivilege 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeSystemEnvironmentPrivilege 2076 csrss.exe Token: SeSecurityPrivilege 5104 sc.exe Token: SeSecurityPrivilege 5104 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2532 wrote to memory of 4836 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 2532 wrote to memory of 4836 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 2532 wrote to memory of 4836 2532 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 96 PID 4708 wrote to memory of 4232 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 103 PID 4708 wrote to memory of 4232 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 103 PID 4708 wrote to memory of 4232 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 103 PID 4708 wrote to memory of 696 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 105 PID 4708 wrote to memory of 696 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 105 PID 696 wrote to memory of 216 696 cmd.exe 107 PID 696 wrote to memory of 216 696 cmd.exe 107 PID 4708 wrote to memory of 1028 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 108 PID 4708 wrote to memory of 1028 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 108 PID 4708 wrote to memory of 1028 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 108 PID 4708 wrote to memory of 3956 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 110 PID 4708 wrote to memory of 3956 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 110 PID 4708 wrote to memory of 3956 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 110 PID 4708 wrote to memory of 2076 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 112 PID 4708 wrote to memory of 2076 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 112 PID 4708 wrote to memory of 2076 4708 137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe 112 PID 2076 wrote to memory of 2056 2076 csrss.exe 115 PID 2076 wrote to memory of 2056 2076 csrss.exe 115 PID 2076 wrote to memory of 2056 2076 csrss.exe 115 PID 2076 wrote to memory of 2664 2076 csrss.exe 121 PID 2076 wrote to memory of 2664 2076 csrss.exe 121 PID 2076 wrote to memory of 2664 2076 csrss.exe 121 PID 2076 wrote to memory of 3632 2076 csrss.exe 123 PID 2076 wrote to memory of 3632 2076 csrss.exe 123 PID 2076 wrote to memory of 3632 2076 csrss.exe 123 PID 2076 wrote to memory of 4300 2076 csrss.exe 125 PID 2076 wrote to memory of 4300 2076 csrss.exe 125 PID 2176 wrote to memory of 3176 2176 windefender.exe 131 PID 2176 wrote to memory of 3176 2176 windefender.exe 131 PID 2176 wrote to memory of 3176 2176 windefender.exe 131 PID 3176 wrote to memory of 5104 3176 cmd.exe 132 PID 3176 wrote to memory of 5104 3176 cmd.exe 132 PID 3176 wrote to memory of 5104 3176 cmd.exe 132 -
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\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.exe"C:\Users\Admin\AppData\Local\Temp\137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba.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:4708 -
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:4232
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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:696 -
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:216
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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:1028
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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:3956
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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:2076 -
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:2056
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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:5096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4800
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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:2664
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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:3632
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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:4300
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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:944
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2176 -
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:3176 -
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:5104
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1640
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
MD5dbe2dbe701c4ec2ebb63b17a1d089ffd
SHA17e50fca0ae426042b783e70a8faa5b1e82aaed69
SHA256b37a7e7813d5914f46c76691b6800fa2158029cf4c33a35c48bde411c371a98f
SHA51286bd9c8ac81a00a7598e6270173703853ab50a2b71bf25d5de997739f3578800e57c34ff782b64a412d2bea755786354ec87365c8cedb0cf2deca851c0c6ca55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c36196d9b1e391a9fb4718149d7dbbc
SHA150800b41bf7ea14c08047fd7fb91a3543b3d8f70
SHA25611b8b93bec7706f77fa5d70fa12d6fc279cb7fde52e6bd4617a028db097941b2
SHA51244cff3e769bd86b7a6b8327440dc500175c5e4e6c18d3f7a9e95e62330f590c1fe3f179eaf68cf4eec9860a65e1fbaa89e1865f754941d5da3ed3f5bc37e3057
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b1e46dd941e3a267ec1a0cb1ae77e80
SHA1c9ce2148dfcbbf9548014f9f2ae26c0c729dddc1
SHA256d160c4939ac12a6a6537b8377cee6e7718301f8e6120fe3e7f4ffedf7d59d16e
SHA512a8986f261062d3cd00635fcb4e82b2060a6973e2ef42020f6807921fe4e9497d4d697714b7a975efbb6a22d20878acb354086b4f70ac9d846f3359309063c216
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522c97d0050a15f7e1cc060c43d34e6b4
SHA104633aa4f7f1ddb18dd75a48e2ee668279c88938
SHA2562606410d66713eff256162a41c5cce06b38e5debf8114710451c3db9e4e36a3d
SHA512d825b9f2e577e17bdd91bfa5a1c0567fe3a7efe8737c284eddbbe174a5b140e02d2907801a937b84942f506a8fb78f9bcdc3805e63a37b6e98ecaa9935df80bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5911048e6db5ebac9c657e5fa53d14448
SHA131e3b4701a2656d5fa8e735abfcfd619b5983ac5
SHA256b74c267b4726c896d591515fcccf5f73acaed8d86c0ea3e2f22e76ee9b81751e
SHA512369a90e34b9855fc39a5560b3ae1350739be270b09f7c517e66540bba9b8a148d679e8a961958c3014e57ab8aae59c95427bb5d5625b7ad13f854f773b74f04f
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Filesize
4.1MB
MD5e9a12479e3f081a7659e0b73fb5baa3a
SHA1cccc590e656973ff713053889464b55bb0e99bb7
SHA256137ce83e07fdb51808356e1d911667333c6725a071eac7a0a0ec2e0e64c61aba
SHA5126107535742ac0d27b8524ffb0067a832ebdd7b05afd55ad49ae685fc6b63d693c5b8eff0d4850037ad698fd150a4ecb8436cb1a7eca1e1c512194f5c90963eef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec