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 19:58
Static task
static1
Behavioral task
behavioral1
Sample
b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe
Resource
win10v2004-20240426-en
General
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Target
b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe
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Size
4.1MB
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MD5
dce494ac65d5afd2734a5caf76927d46
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SHA1
f876f7d73fb3fa5dcd25e4305e157fa39c0fba19
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SHA256
b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a
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SHA512
ca52e0540a3dc11e4ceeb40b50f13fd9b365211e076065818344ecf1d2b7b9b9d4c26fbbd752e190f26cca6e8a40169bab15d3d9f4e8a3aa2803015b848a4524
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SSDEEP
49152:dKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwb:d1wCr5kG+hEArjFEeNSldQg15xmhb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4908-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/4908-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4908-157-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/4908-156-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4908-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1784-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-266-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4324-270-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2568 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4324 csrss.exe 648 injector.exe 6100 windefender.exe 656 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342e-219.dat upx behavioral1/memory/6100-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/656-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/6100-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/656-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/656-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/656-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe File created C:\Windows\rss\csrss.exe b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.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 1460 sc.exe -
pid Process 5648 powershell.exe 5604 powershell.exe 3944 powershell.exe 4476 powershell.exe 1504 powershell.exe 3616 powershell.exe 5356 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 6048 schtasks.exe 3008 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\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" 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" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.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\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.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,-341 = "Egypt Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5648 powershell.exe 5648 powershell.exe 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 5604 powershell.exe 5604 powershell.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 3944 powershell.exe 3944 powershell.exe 4476 powershell.exe 4476 powershell.exe 1504 powershell.exe 1504 powershell.exe 3616 powershell.exe 3616 powershell.exe 5356 powershell.exe 5356 powershell.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 4324 csrss.exe 4324 csrss.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 4324 csrss.exe 4324 csrss.exe 648 injector.exe 648 injector.exe 4324 csrss.exe 4324 csrss.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5648 powershell.exe Token: SeDebugPrivilege 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Token: SeImpersonatePrivilege 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe Token: SeDebugPrivilege 5604 powershell.exe Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 3616 powershell.exe Token: SeDebugPrivilege 5356 powershell.exe Token: SeSystemEnvironmentPrivilege 4324 csrss.exe Token: SeSecurityPrivilege 1460 sc.exe Token: SeSecurityPrivilege 1460 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4908 wrote to memory of 5648 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 83 PID 4908 wrote to memory of 5648 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 83 PID 4908 wrote to memory of 5648 4908 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 83 PID 1784 wrote to memory of 5604 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 93 PID 1784 wrote to memory of 5604 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 93 PID 1784 wrote to memory of 5604 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 93 PID 1784 wrote to memory of 1488 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 99 PID 1784 wrote to memory of 1488 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 99 PID 1488 wrote to memory of 2568 1488 cmd.exe 101 PID 1488 wrote to memory of 2568 1488 cmd.exe 101 PID 1784 wrote to memory of 3944 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 102 PID 1784 wrote to memory of 3944 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 102 PID 1784 wrote to memory of 3944 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 102 PID 1784 wrote to memory of 4476 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 106 PID 1784 wrote to memory of 4476 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 106 PID 1784 wrote to memory of 4476 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 106 PID 1784 wrote to memory of 4324 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 108 PID 1784 wrote to memory of 4324 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 108 PID 1784 wrote to memory of 4324 1784 b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe 108 PID 4324 wrote to memory of 1504 4324 csrss.exe 109 PID 4324 wrote to memory of 1504 4324 csrss.exe 109 PID 4324 wrote to memory of 1504 4324 csrss.exe 109 PID 4324 wrote to memory of 3616 4324 csrss.exe 115 PID 4324 wrote to memory of 3616 4324 csrss.exe 115 PID 4324 wrote to memory of 3616 4324 csrss.exe 115 PID 4324 wrote to memory of 5356 4324 csrss.exe 117 PID 4324 wrote to memory of 5356 4324 csrss.exe 117 PID 4324 wrote to memory of 5356 4324 csrss.exe 117 PID 4324 wrote to memory of 648 4324 csrss.exe 119 PID 4324 wrote to memory of 648 4324 csrss.exe 119 PID 6100 wrote to memory of 3960 6100 windefender.exe 125 PID 6100 wrote to memory of 3960 6100 windefender.exe 125 PID 6100 wrote to memory of 3960 6100 windefender.exe 125 PID 3960 wrote to memory of 1460 3960 cmd.exe 126 PID 3960 wrote to memory of 1460 3960 cmd.exe 126 PID 3960 wrote to memory of 1460 3960 cmd.exe 126 -
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\b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe"C:\Users\Admin\AppData\Local\Temp\b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5648
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C:\Users\Admin\AppData\Local\Temp\b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.exe"C:\Users\Admin\AppData\Local\Temp\b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a.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:1784 -
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:5604
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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:1488 -
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:2568
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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:3944
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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:4476
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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:4324 -
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:1504
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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:6048
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5368
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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:3616
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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:5356
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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:648
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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:3008
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:6100 -
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:3960 -
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:1460
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:656
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
MD52ea794739404e764d4e17117d96421ea
SHA10a4eb067edba94838a749243ac067d8cb213d205
SHA2567ae4d07dceec214ee0688c855b14c9d34d256428b770d726a2d92d586efa10ed
SHA5128a2262decbbdc6d96a7f6eca18bf3563f25663d67ba1341d4dcf7c455d7e3244e35aeae1abc7db885108df84fc48171fb3aaebf24bfac6187b01dc75ddcdafe5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527ff2f1b24458031e32beeb8506a1330
SHA1da0c7fa0ca73abaeff665d4ddeec7a0202d86ecc
SHA25633daa8ee743e26bcf69768161d2c227f1803d9b8f7c638e9de4c233f43fafa03
SHA512977b48d6fb64870ec01dfb6d827cfa9dd593a518d23beb21fd1e834d9716196b4d9e1a4e05f2ca227e11c7aa0e76930a7c83053af2ae94a17b5eb9b3437e33e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5197902a40a8aeb576f641830e345602d
SHA11b0b95673f11736c6a8a8350f9a4be4c7f3de49f
SHA256598ecdfd2065f1506839a734d1fc32c98aa54054b28b8983e97176eaad9861ab
SHA512bdb8102aa146672f21b712a09165756d398249ef38e20e6409e515247306f02ed0d3b13c1979a756ba9371df5db05f488f5470589e44d671d69dc5cb49298800
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c031dd8fb59801825c18e0811d9cd2ac
SHA17e92a11b53adbae23db4b8e2633624c4d0ab0f70
SHA25631517ff35946725d1aae993e74cb246143b1215d3f1033db8fe860ddb05b2c9e
SHA512cd1580fd1adf0e30e0b36bcd29dee36fa37d38bb97749fd9fc4848661406e297a172e1ea9d1c1480bb2926100bb45334e4969205b84102a23b22edc547a5cb17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a5ac679b75bb09a72bb5df17611cdc5
SHA139cf74c67b7794c6cfc7332fa53aa4dbdbbf01f2
SHA256f4907e39611d94a4990d3b23dd5931b9d8b84a3ae8c2de239ea34eafef9bc23e
SHA5129a9ac8bb9eeb527d09912fa7147f8f0f8e322653ad39840f4304c1f18c418af8fe07fb33dcf5c7d81c64ddcfd54811b55ccce364b404621035465daea0f2c6e9
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Filesize
4.1MB
MD5dce494ac65d5afd2734a5caf76927d46
SHA1f876f7d73fb3fa5dcd25e4305e157fa39c0fba19
SHA256b109398c8493cb61649cad7bae0f8492dbaf34d63693f4caed20d1eaa677147a
SHA512ca52e0540a3dc11e4ceeb40b50f13fd9b365211e076065818344ecf1d2b7b9b9d4c26fbbd752e190f26cca6e8a40169bab15d3d9f4e8a3aa2803015b848a4524
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec