Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe
Resource
win10v2004-20240412-en
General
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Target
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe
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Size
4.2MB
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MD5
cf78bdce714d9d73d36bdac256d2ae72
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SHA1
e7cf53cfb2ef876f02426ecc122f8414dcf6bf1a
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SHA256
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25
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SHA512
746c90754c04cd0b50e09fa6cd09816f2b57f031e87a5f4c6ea3ef582ae460129ae132aef7cb3a020cd930ac89108f8325447fbc86af96a1a63aa45709181eca
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SSDEEP
98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeb:Jw6rquKXDtU1Y2GYniVjUHO
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4956-2-0x0000000004030000-0x000000000491B000-memory.dmp family_glupteba behavioral1/memory/4956-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4956-55-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1260-57-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4956-58-0x0000000004030000-0x000000000491B000-memory.dmp family_glupteba behavioral1/memory/1260-156-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-267-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-271-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-277-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-283-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1316-289-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4976 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1316 csrss.exe 4604 injector.exe 4068 windefender.exe 3948 windefender.exe -
resource yara_rule behavioral1/files/0x000500000001db51-261.dat upx behavioral1/memory/4068-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3948-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3948-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe File created C:\Windows\rss\csrss.exe 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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 4588 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2376 4956 WerFault.exe 86 3320 1260 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1420 schtasks.exe 1208 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight 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" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2392 powershell.exe 2392 powershell.exe 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 3848 powershell.exe 3848 powershell.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 2688 powershell.exe 2688 powershell.exe 2688 powershell.exe 4816 powershell.exe 4816 powershell.exe 4816 powershell.exe 1676 powershell.exe 1676 powershell.exe 1676 powershell.exe 1312 powershell.exe 1312 powershell.exe 1312 powershell.exe 3732 powershell.exe 3732 powershell.exe 3732 powershell.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 1316 csrss.exe 1316 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 1316 csrss.exe 1316 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 1316 csrss.exe 1316 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Token: SeImpersonatePrivilege 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 1312 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeSystemEnvironmentPrivilege 1316 csrss.exe Token: SeSecurityPrivilege 4588 sc.exe Token: SeSecurityPrivilege 4588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4956 wrote to memory of 2392 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 91 PID 4956 wrote to memory of 2392 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 91 PID 4956 wrote to memory of 2392 4956 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 91 PID 1260 wrote to memory of 3848 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 99 PID 1260 wrote to memory of 3848 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 99 PID 1260 wrote to memory of 3848 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 99 PID 1260 wrote to memory of 1972 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 104 PID 1260 wrote to memory of 1972 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 104 PID 1972 wrote to memory of 4976 1972 cmd.exe 106 PID 1972 wrote to memory of 4976 1972 cmd.exe 106 PID 1260 wrote to memory of 2688 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 107 PID 1260 wrote to memory of 2688 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 107 PID 1260 wrote to memory of 2688 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 107 PID 1260 wrote to memory of 4816 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 109 PID 1260 wrote to memory of 4816 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 109 PID 1260 wrote to memory of 4816 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 109 PID 1260 wrote to memory of 1316 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 112 PID 1260 wrote to memory of 1316 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 112 PID 1260 wrote to memory of 1316 1260 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 112 PID 1316 wrote to memory of 1676 1316 csrss.exe 115 PID 1316 wrote to memory of 1676 1316 csrss.exe 115 PID 1316 wrote to memory of 1676 1316 csrss.exe 115 PID 1316 wrote to memory of 1312 1316 csrss.exe 122 PID 1316 wrote to memory of 1312 1316 csrss.exe 122 PID 1316 wrote to memory of 1312 1316 csrss.exe 122 PID 1316 wrote to memory of 3732 1316 csrss.exe 124 PID 1316 wrote to memory of 3732 1316 csrss.exe 124 PID 1316 wrote to memory of 3732 1316 csrss.exe 124 PID 1316 wrote to memory of 4604 1316 csrss.exe 126 PID 1316 wrote to memory of 4604 1316 csrss.exe 126 PID 4068 wrote to memory of 4340 4068 windefender.exe 132 PID 4068 wrote to memory of 4340 4068 windefender.exe 132 PID 4068 wrote to memory of 4340 4068 windefender.exe 132 PID 4340 wrote to memory of 4588 4340 cmd.exe 133 PID 4340 wrote to memory of 4588 4340 cmd.exe 133 PID 4340 wrote to memory of 4588 4340 cmd.exe 133 -
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\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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:1260 -
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:3848
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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:1972 -
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:4976
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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:2688
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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:4816
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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:1316 -
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:1676
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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:1420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:652
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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:1312
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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:3732
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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:4604
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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:1208
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4068 -
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:4340 -
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:4588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 6003⤵
- Program crash
PID:3320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 7602⤵
- Program crash
PID:2376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4956 -ip 49561⤵PID:1440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1260 -ip 12601⤵PID:1924
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3948
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b7c8d746efd345c7ff017dfb040ddeb
SHA11a4cca17cc28601903cdfcccb4181777748c5a92
SHA2565c0d71545185830770947372c2d1c5a7a3dda2e888326d67d6e03fba42dbe957
SHA512de015e94372b818307132c889b46141b6bd18c1adbac15a5e960c3d4b83d777e4a15a85dabd24d1a5d27039bdd562bddf4f130a731cd44fabba71bd426abe283
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595bd5a67642cce8387f6ab057e8b8549
SHA1700171e7bc8e0f54d3559bce130a988b27d4c9f6
SHA256dd40fd4ee5233577eea4c84a63405144da5f3518c81d57c8d7e3d12b06c4981a
SHA5121c0e53aef7efb33959af97ef8b787948457449dd1e17e0673583c35d405ceb25d411f5f57ab3fc8d56e844bdc085e8c1b01d3709c33d922dcc2ffed78497881a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589d067f2f5de629cb743f0e9fa71ba69
SHA111b6bb871ca9d87f7721863b66af27ace85967bf
SHA25674b74a10c4df8b69052945a0e9bf9d937958e0e460c463af6cbad14a565d2342
SHA51227997728c4a608d1b9a72998642ea9abfa8003a176a746bce4d6682338e50dc31bf4d7409f97a037d4c0fc8706bf259edc2dff67ea65cdf2faf467b043c23e62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4e7f13e9b6a6abf5493873083cc1718
SHA1ded8046b5e658a225650c94d0c16560711c0427f
SHA256ef197385f57de5e4b0284b0c3e61e4b5a3582653cf4940c66573296b82cbc605
SHA512e5d526c16b92d4af212859d13a2b0b32054b60446c3261a0bbe593761555449769e41d88e671c88600aadda6c1ccc5250f20959e7545306e0f690db970cdc3f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5930c7eb0fc315117f319c6bf16c39402
SHA1e523ee709585bb0538b032efd20038b741203106
SHA25601c8245da395d6c7c607f8db0fb2767d8c9d44a0bf443eccf8d372d52b827220
SHA51218bcda2bf047c7c76fcbdde3fd034b240943bfd933e14ffe98b4e22da82b40dfc5ecdc1c19dd0c13d977d4c91da2b36a92eb084a04ce0c6079d1231d5a399d8e
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Filesize
4.2MB
MD5cf78bdce714d9d73d36bdac256d2ae72
SHA1e7cf53cfb2ef876f02426ecc122f8414dcf6bf1a
SHA25646a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25
SHA512746c90754c04cd0b50e09fa6cd09816f2b57f031e87a5f4c6ea3ef582ae460129ae132aef7cb3a020cd930ac89108f8325447fbc86af96a1a63aa45709181eca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec