Analysis
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max time kernel
149s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe
Resource
win10v2004-20240508-en
General
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Target
fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe
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Size
4.1MB
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MD5
05d6b03ea5902d1a390a6080792943c3
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SHA1
d45d749c067dbbc901dbc510871f970892b87a84
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SHA256
fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22
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SHA512
a47a02ac3c7f83f1094cb9d850a3d9c71f87f3194a0e66e806115166059170aba1414a683eea3180a20c7662cfee9ca8f78326d3f381990f5928408bfd5304eb
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SSDEEP
98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUQ:BqqJgO7W9SnJ3gf8jHXKn
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1172-2-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/1172-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1172-96-0x0000000004C20000-0x000000000550B000-memory.dmp family_glupteba behavioral1/memory/1172-95-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1360-135-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1172-160-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3748-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3748-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2944 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3748 csrss.exe 1056 injector.exe 1420 windefender.exe 2804 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023415-221.dat upx behavioral1/memory/1420-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2804-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1420-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2804-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2804-237-0x0000000000400000-0x00000000008DF000-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\"" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.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 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 -
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 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe File created C:\Windows\rss\csrss.exe fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.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 4740 sc.exe -
pid Process 3792 powershell.exe 4980 powershell.exe 3552 powershell.exe 2424 powershell.exe 4460 powershell.exe 4416 powershell.exe 4152 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 3164 schtasks.exe 4228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard 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\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central 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,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4152 powershell.exe 4152 powershell.exe 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 3792 powershell.exe 3792 powershell.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 4980 powershell.exe 4980 powershell.exe 3552 powershell.exe 3552 powershell.exe 2424 powershell.exe 2424 powershell.exe 4460 powershell.exe 4460 powershell.exe 4416 powershell.exe 4416 powershell.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 3748 csrss.exe 3748 csrss.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 3748 csrss.exe 3748 csrss.exe 1056 injector.exe 1056 injector.exe 3748 csrss.exe 3748 csrss.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe 1056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Token: SeImpersonatePrivilege 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe Token: SeDebugPrivilege 3792 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeSystemEnvironmentPrivilege 3748 csrss.exe Token: SeSecurityPrivilege 4740 sc.exe Token: SeSecurityPrivilege 4740 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1172 wrote to memory of 4152 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 85 PID 1172 wrote to memory of 4152 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 85 PID 1172 wrote to memory of 4152 1172 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 85 PID 1360 wrote to memory of 3792 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 97 PID 1360 wrote to memory of 3792 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 97 PID 1360 wrote to memory of 3792 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 97 PID 1360 wrote to memory of 4104 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 101 PID 1360 wrote to memory of 4104 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 101 PID 4104 wrote to memory of 2944 4104 cmd.exe 103 PID 4104 wrote to memory of 2944 4104 cmd.exe 103 PID 1360 wrote to memory of 4980 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 104 PID 1360 wrote to memory of 4980 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 104 PID 1360 wrote to memory of 4980 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 104 PID 1360 wrote to memory of 3552 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 107 PID 1360 wrote to memory of 3552 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 107 PID 1360 wrote to memory of 3552 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 107 PID 1360 wrote to memory of 3748 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 109 PID 1360 wrote to memory of 3748 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 109 PID 1360 wrote to memory of 3748 1360 fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe 109 PID 3748 wrote to memory of 2424 3748 csrss.exe 110 PID 3748 wrote to memory of 2424 3748 csrss.exe 110 PID 3748 wrote to memory of 2424 3748 csrss.exe 110 PID 3748 wrote to memory of 4460 3748 csrss.exe 116 PID 3748 wrote to memory of 4460 3748 csrss.exe 116 PID 3748 wrote to memory of 4460 3748 csrss.exe 116 PID 3748 wrote to memory of 4416 3748 csrss.exe 118 PID 3748 wrote to memory of 4416 3748 csrss.exe 118 PID 3748 wrote to memory of 4416 3748 csrss.exe 118 PID 3748 wrote to memory of 1056 3748 csrss.exe 120 PID 3748 wrote to memory of 1056 3748 csrss.exe 120 PID 1420 wrote to memory of 2532 1420 windefender.exe 127 PID 1420 wrote to memory of 2532 1420 windefender.exe 127 PID 1420 wrote to memory of 2532 1420 windefender.exe 127 PID 2532 wrote to memory of 4740 2532 cmd.exe 128 PID 2532 wrote to memory of 4740 2532 cmd.exe 128 PID 2532 wrote to memory of 4740 2532 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\fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe"C:\Users\Admin\AppData\Local\Temp\fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Users\Admin\AppData\Local\Temp\fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.exe"C:\Users\Admin\AppData\Local\Temp\fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22.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:1360 -
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:3792
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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:4104 -
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:2944
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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:4980
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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:3552
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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:3748 -
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:2424
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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:3164
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4028
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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:4460
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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:4416
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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:1056
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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:4228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1420 -
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:2532 -
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:4740
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2804
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
MD5e5fb52346ca526398d1ac8de9d820439
SHA14c4850025a73d526728fc619a2f60a18b1c8aa92
SHA256a116d8945857ae8a337ac47e7c339dedf5cc871906324d787aa78cac3f4c5fd3
SHA512408eeb25ed9792c13e3382d4c77ad04eb34ef97c035e270df5c29cb384124a177016c256d6f45c832e8056069c8072bdb54e7926b210cf8e646a872e9cd6783d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5383776cc123e2563a141dc7975f1ccc5
SHA1f053e5bdce9ba08a4a2c377631962d331d3daed9
SHA256ccd2672cd617c268ff96a899bfd9e651930962bc546b3476db02f49a0d3366b7
SHA5120e24f67f473269e1210c68d4cb92f716597941e5ce5e1ae1b6006f7466b336818aca276cbc7fe4b9be84bea45da17a4dcfc8791523a3ca13919370e0872e9e7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a14e4e00d77ddf3e0a4a17bf6662828
SHA17a778519d4af35158c6fce5ecf1882eb49ce2b78
SHA2564f68f90f3da447453c609a225e93b7cfcdbbb3312240db7769ec7c133dd2b6f5
SHA5127b03ee0460d13aec122390b4024fa7f739b36f7239476b32ba1283ac0a9f005b6b13790da55f6b81d2f90e581338e5efde58da7665179d4b43bd36c55025a6e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f024698e47d34457d3087f38db8ef55d
SHA122d4e2882ddcb692199840132ac096385c656c77
SHA25625468ea1dacc91a0b9892d7fe519eca3b1f7d96f1a11ae8d4a7beb7e062a0a7e
SHA51233e0eac1fbf75c3838e0fb3a4d836ee5e7c54e74724bae0625cc10417cb13208d52dba972396e92f9f5621c0efb318282504a14d6017a0140e4105442d76aa0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a7dab2e141815ef0ac550291dc8b7f1
SHA1290fc5958e176c5e264d5db66499986e9b65a9ad
SHA2565bc0df98097894d9c7b7c2858b370d23ac3107fff292a78845bc8c74a6e11328
SHA512db452fdb42279051c3a5d17fc0e4cbf33111b74794a4cfb3cdbed4dd3b936a4bda0ef1c8fdf812e0636b3443ada0e7cefda5fc24d5e5a14b910871dc94efa045
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Filesize
4.1MB
MD505d6b03ea5902d1a390a6080792943c3
SHA1d45d749c067dbbc901dbc510871f970892b87a84
SHA256fa1e021fe4c83029571dc5ec558b70e0269300366edc834d5b360c1cccba6b22
SHA512a47a02ac3c7f83f1094cb9d850a3d9c71f87f3194a0e66e806115166059170aba1414a683eea3180a20c7662cfee9ca8f78326d3f381990f5928408bfd5304eb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec