Analysis
-
max time kernel
149s -
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
19-05-2024 08:59
Static task
static1
Behavioral task
behavioral1
Sample
a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
Resource
win10v2004-20240426-en
General
-
Target
a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe
-
Size
4.1MB
-
MD5
1f124de6e22eec25f5bf12a0cead0aa3
-
SHA1
df5bc45560c47326fc8ebea422dd2a31e269cfe6
-
SHA256
a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455
-
SHA512
aaaa8aadb4393400f310d7a8d9a684fda9f015e5e10c8619ada333113aa9e1a0bfb70e580b66d6b41c3acdd15b7bf322d74946880959ffb18baa788432186d11
-
SSDEEP
98304:ovCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1W:ovC3DFSWO/BjYGk1PnXHoWWZ1za6NW
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4856-2-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/4856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-57-0x0000000004410000-0x0000000004CFB000-memory.dmp family_glupteba behavioral1/memory/4856-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/2028-137-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/4816-252-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4816 csrss.exe 4724 injector.exe 2504 windefender.exe 3552 windefender.exe -
resource yara_rule behavioral1/memory/2504-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00080000000233f8-224.dat upx behavioral1/memory/3552-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2504-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3552-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3552-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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.
-
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 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 -
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 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe File created C:\Windows\rss\csrss.exe a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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 4036 sc.exe -
pid Process 4576 powershell.exe 1808 powershell.exe 2852 powershell.exe 5032 powershell.exe 2268 powershell.exe 1928 powershell.exe 4480 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 5052 4856 WerFault.exe 81 3328 2028 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2108 schtasks.exe 3328 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,-161 = "Central Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight 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" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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,-722 = "Central Pacific 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\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-372 = "Jerusalem Standard Time" windefender.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\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4576 powershell.exe 4576 powershell.exe 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 1808 powershell.exe 1808 powershell.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 2852 powershell.exe 2852 powershell.exe 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 2268 powershell.exe 2268 powershell.exe 2268 powershell.exe 1928 powershell.exe 1928 powershell.exe 4480 powershell.exe 4480 powershell.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4816 csrss.exe 4816 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4816 csrss.exe 4816 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4816 csrss.exe 4816 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Token: SeImpersonatePrivilege 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeSystemEnvironmentPrivilege 4816 csrss.exe Token: SeSecurityPrivilege 4036 sc.exe Token: SeSecurityPrivilege 4036 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4856 wrote to memory of 4576 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 84 PID 4856 wrote to memory of 4576 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 84 PID 4856 wrote to memory of 4576 4856 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 84 PID 2028 wrote to memory of 1808 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 97 PID 2028 wrote to memory of 1808 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 97 PID 2028 wrote to memory of 1808 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 97 PID 2028 wrote to memory of 220 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 102 PID 2028 wrote to memory of 220 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 102 PID 220 wrote to memory of 4396 220 cmd.exe 104 PID 220 wrote to memory of 4396 220 cmd.exe 104 PID 2028 wrote to memory of 2852 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 105 PID 2028 wrote to memory of 2852 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 105 PID 2028 wrote to memory of 2852 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 105 PID 2028 wrote to memory of 5032 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 109 PID 2028 wrote to memory of 5032 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 109 PID 2028 wrote to memory of 5032 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 109 PID 2028 wrote to memory of 4816 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 111 PID 2028 wrote to memory of 4816 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 111 PID 2028 wrote to memory of 4816 2028 a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe 111 PID 4816 wrote to memory of 2268 4816 csrss.exe 114 PID 4816 wrote to memory of 2268 4816 csrss.exe 114 PID 4816 wrote to memory of 2268 4816 csrss.exe 114 PID 4816 wrote to memory of 1928 4816 csrss.exe 120 PID 4816 wrote to memory of 1928 4816 csrss.exe 120 PID 4816 wrote to memory of 1928 4816 csrss.exe 120 PID 4816 wrote to memory of 4480 4816 csrss.exe 122 PID 4816 wrote to memory of 4480 4816 csrss.exe 122 PID 4816 wrote to memory of 4480 4816 csrss.exe 122 PID 4816 wrote to memory of 4724 4816 csrss.exe 124 PID 4816 wrote to memory of 4724 4816 csrss.exe 124 PID 2504 wrote to memory of 2940 2504 windefender.exe 130 PID 2504 wrote to memory of 2940 2504 windefender.exe 130 PID 2504 wrote to memory of 2940 2504 windefender.exe 130 PID 2940 wrote to memory of 4036 2940 cmd.exe 131 PID 2940 wrote to memory of 4036 2940 cmd.exe 131 PID 2940 wrote to memory of 4036 2940 cmd.exe 131 -
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
-
C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe"C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576
-
-
C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.exe"C:\Users\Admin\AppData\Local\Temp\a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455.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:2028 -
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:1808
-
-
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:220 -
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:4396
-
-
-
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:2852
-
-
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:5032
-
-
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:4816 -
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:2268
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2108
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3948
-
-
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:1928
-
-
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:4480
-
-
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:4724
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3328
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2504 -
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:2940 -
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:4036
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 8403⤵
- Program crash
PID:3328
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 7362⤵
- Program crash
PID:5052
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4856 -ip 48561⤵PID:3864
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2028 -ip 20281⤵PID:3956
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3552
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50fa0da4b0dfb6b429737c633e63ecf35
SHA1098f4a57435328e668d22b3cd075d92b06e786f6
SHA256c325ff1148e0bfb6a7f6b7e9ea1c4b788b0f021e1cf17151901f6149f8458258
SHA512ccf8ecae6628281e3027b750dc577107dc08774b326cde71c8fc872706d02e34453f180f15b93b53c0e4e382c533c7e1431f30363b46ad3747f99c36c87372ab
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c4157f9d858dc18ed00512b8b6bfe31
SHA16e654767ae12c26757d646243fece341c84dfdf5
SHA2560306ececc6c694bd6b509a549473cf17f16ccd8157daf641063bb1983529ce7a
SHA5128c957e8ea4cf925484de294bddf886edb1472de232d2131727c14f7045fb226fb23da0cd2b533c911fcf69d160d43af8933e8fe0e23327324c3b15eb146225f0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee8c1f94c5ba4fd747eaba82412b8793
SHA102d158bb123b360d46fc6f673512bb7790168a7a
SHA2569928ffc3d8ba953fafc486f14d4ccb0dab563f12b9527dda667eae34f8bb1ffa
SHA512506b71e681a8f44b0c0684dc5552f43db132f4af6e235ba2b8ac02edf51b003f19de77a5b5342a4c4ffe94e31192c469cb22c1829b949f82f872b2d2c41840af
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff4ab13a4fa7eec172c9dac350ec5832
SHA166e8fe7d9a6041ecefd26e7e8496fd9332bcfac1
SHA2566f9e5d1a145cc32c338a5a179b58746b480937749eaf1f68d5fc8abf9d3ef047
SHA512d089c95f7e5877e3f84c4aa90dd673e8c6c7d9af3312f813817a1e4206c9487df268ba79ec8d75b550554cd6c0d1612d507a1ab9c713114d09c2992ba0203597
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f9af1342d5d70c52fc511284bff235d
SHA16ab597640be84e875068a30d1e2da8183bab1181
SHA2569ee50845751d75cd2fd071c94d2978961d5b1d29ab4b862ac2d0bc4ad8aff17c
SHA5126126f0b277a097f9b5e423384c62fe3adf35f5655d1d558751dd1e91819da6d526fac35d1d192207e8a1ed17ba02294ecdc9ac21fa7b2e4e0eae487ccea6cc77
-
Filesize
4.1MB
MD51f124de6e22eec25f5bf12a0cead0aa3
SHA1df5bc45560c47326fc8ebea422dd2a31e269cfe6
SHA256a90c79757efb6a38fde629f143c1f4dc877b08ca2db4e3ea12f71d537cdf9455
SHA512aaaa8aadb4393400f310d7a8d9a684fda9f015e5e10c8619ada333113aa9e1a0bfb70e580b66d6b41c3acdd15b7bf322d74946880959ffb18baa788432186d11
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec