Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 07:07
Static task
static1
Behavioral task
behavioral1
Sample
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe
Resource
win10v2004-20240412-en
General
-
Target
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe
-
Size
4.2MB
-
MD5
6fd325a1b108e0767437d7a7f77dc210
-
SHA1
d3a6613bdc4a973ac6907e2ffb40561c6e5e7a66
-
SHA256
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f
-
SHA512
5b21f7fe79e706e7419cd8005ffbcaf0a1bc47cb3e1d53d2846daccbc215094b63a863e6a1648bb0e6f4715c40921b8d4bddcfaf8850ce5dbe14fc8b4d7245d9
-
SSDEEP
98304:3NkDk7Y2e9fhWY+LbgLFpBVAayCN/CB0J4dlv7S/k29jp/4Y:ek7LeNhW/+FpBVAa19Ce4dlv7wZ4Y
Malware Config
Signatures
-
Glupteba payload 21 IoCs
Processes:
resource yara_rule behavioral2/memory/2000-2-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral2/memory/2000-3-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3704-51-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/3704-53-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/2000-54-0x0000000005250000-0x0000000005B3B000-memory.dmp family_glupteba behavioral2/memory/2000-67-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3704-135-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3704-144-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-240-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-251-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-254-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-259-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-263-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-267-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-271-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-275-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-279-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-283-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-287-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-291-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/5104-295-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 568 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 5104 csrss.exe 2496 injector.exe 1488 windefender.exe 3176 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1488-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3176-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3176-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe -
Drops file in Windows directory 4 IoCs
Processes:
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe File created C:\Windows\rss\csrss.exe 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.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.
Processes:
sc.exepid process 2940 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 764 schtasks.exe 3056 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.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\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.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\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exepowershell.exe00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 924 powershell.exe 924 powershell.exe 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 1152 powershell.exe 1152 powershell.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe 3336 powershell.exe 3336 powershell.exe 4248 powershell.exe 4248 powershell.exe 4600 powershell.exe 4600 powershell.exe 4936 powershell.exe 4936 powershell.exe 2232 powershell.exe 2232 powershell.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 5104 csrss.exe 5104 csrss.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 5104 csrss.exe 5104 csrss.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 5104 csrss.exe 5104 csrss.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe 2496 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Token: SeImpersonatePrivilege 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeSystemEnvironmentPrivilege 5104 csrss.exe Token: SeSecurityPrivilege 2940 sc.exe Token: SeSecurityPrivilege 2940 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2000 wrote to memory of 924 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 2000 wrote to memory of 924 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 2000 wrote to memory of 924 2000 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 1152 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 1152 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 1152 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 2864 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe cmd.exe PID 3704 wrote to memory of 2864 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe cmd.exe PID 2864 wrote to memory of 568 2864 cmd.exe netsh.exe PID 2864 wrote to memory of 568 2864 cmd.exe netsh.exe PID 3704 wrote to memory of 3336 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 3336 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 3336 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 4248 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 4248 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 4248 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe powershell.exe PID 3704 wrote to memory of 5104 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe csrss.exe PID 3704 wrote to memory of 5104 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe csrss.exe PID 3704 wrote to memory of 5104 3704 00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe csrss.exe PID 5104 wrote to memory of 4600 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 4600 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 4600 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 4936 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 4936 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 4936 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 2232 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 2232 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 2232 5104 csrss.exe powershell.exe PID 5104 wrote to memory of 2496 5104 csrss.exe injector.exe PID 5104 wrote to memory of 2496 5104 csrss.exe injector.exe PID 1488 wrote to memory of 1852 1488 windefender.exe cmd.exe PID 1488 wrote to memory of 1852 1488 windefender.exe cmd.exe PID 1488 wrote to memory of 1852 1488 windefender.exe cmd.exe PID 1852 wrote to memory of 2940 1852 cmd.exe sc.exe PID 1852 wrote to memory of 2940 1852 cmd.exe sc.exe PID 1852 wrote to memory of 2940 1852 cmd.exe sc.exe -
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\00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe"C:\Users\Admin\AppData\Local\Temp\00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:924
-
-
C:\Users\Admin\AppData\Local\Temp\00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.exe"C:\Users\Admin\AppData\Local\Temp\00a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f.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:3704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
-
-
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:2864 -
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:568
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3336
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
-
-
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:5104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3056
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1104
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232
-
-
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:2496
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:764
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1488 -
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:1852 -
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:2940
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3176
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5674b7046caa2cbb664f26ba37f46120e
SHA12584cee1cd084b84339be4e0e719fa2eea9e8033
SHA2561c6bf3f3793b00b56fa78b9621265f85cc5a6746042a43f91e8cc26a5b77b0a9
SHA512233223436f9086068c3ee389769b3a9e41389b063d4ef592c50e7d0f11ae8444999e16f023842ae82c11edc8105d2862a570e3e97ae00fd84ecd2d2752d5b242
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdafe34662f059b3526edde7f2b7bc02
SHA1edb1259966804ee810f93895933d817f5390bf94
SHA256068b65b8db0914e8c0264e99ec3970ee64905836a8f217abe3c935c6fb7f87fa
SHA51248b9c437258c80dbf7df5f0982fe8eb726862b495c8191fffaabc820ac7453a9f70af28fe502c807e4392d61906565987cbad38c10f1bdedf7968bb8d6475b7e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590d9c0349c31a892707d847aaab57a88
SHA10f7a0ffe995fffa832489fbaa0843edf50cd316a
SHA2567f8a7ae5c9ab8ef71797fc5d6838c6e7bfdb509c2eed1e110a1b51b936e728f9
SHA512dfd1a758a3717734a39785c45870f437bc5c97e51991116bc497eeea73555f7f83b5597731f87ece7c92627b3a82e40b829a728d0106472bffe67d6671469e4a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59494757ccacafda9c280ad910832aeec
SHA1ada7e213bbb7fdb5798c0bf3e88e8ca184342161
SHA2564722efc0ca9cee3f060892d62cbf33e5516031288f360c257006f9183f4f0156
SHA5129abdb2e439a67fc4eee3410faae1efe4ce67c12f0b6bc43107391abdbd80229dedc4ce615c955864e84786872b816a21869f58d3f3c657fd68ba149dbe918baf
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f720cda6eddeeec02453b7797c732f25
SHA1226670c9aa5986ca9ef2011f95489c31c0d44595
SHA25648252a83f7f47c06720454708af8e152c20e8b85d3cba60743b327d0d4eb2d49
SHA512022a3247919cc064cd4190620d188d6aea3be2c56b421b1de8288fbde207c0efb314c0868270b34d17510643af07bd983e19eaf71490a9534646be36537d87a0
-
Filesize
4.2MB
MD56fd325a1b108e0767437d7a7f77dc210
SHA1d3a6613bdc4a973ac6907e2ffb40561c6e5e7a66
SHA25600a1efdf5deb8e46ad474ced90827657b3d3f1459c60a7ed1415ff33b9c2d98f
SHA5125b21f7fe79e706e7419cd8005ffbcaf0a1bc47cb3e1d53d2846daccbc215094b63a863e6a1648bb0e6f4715c40921b8d4bddcfaf8850ce5dbe14fc8b4d7245d9
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec