Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:34
Static task
static1
Behavioral task
behavioral1
Sample
d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe
Resource
win10v2004-20240426-en
General
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Target
d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe
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Size
4.1MB
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MD5
930c47039c544dff47156b7c94d70444
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SHA1
cffc854f9cd3d91c65aca0c6a6afbd15ca553b69
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SHA256
d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4
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SHA512
44f24b18ff5090ac86ddb33ca44d5768eb75ce18c67ed1913f52d121f5f6450772308dfac52d36564b8920c9683acf36aa7b4568411e587d7a7aef46689f3fb1
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNo:E4G/GRAB9MdaGBolx/Wzue
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2096-2-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/2096-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2096-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2096-63-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/2096-111-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1028-109-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1028-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-177-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-207-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1236-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3452 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1236 csrss.exe 2300 injector.exe 240 windefender.exe 4112 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa22-210.dat upx behavioral2/memory/240-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4112-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/240-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4112-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4112-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe File created C:\Windows\rss\csrss.exe d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.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 2256 sc.exe -
pid Process 1900 powershell.exe 2980 powershell.exe 1612 powershell.exe 3156 powershell.exe 1956 powershell.exe 8 powershell.exe 2964 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 244 schtasks.exe 2104 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,-1872 = "Russia TZ 7 Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.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,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard 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,-435 = "Georgian Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight 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\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 8 powershell.exe 8 powershell.exe 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 2964 powershell.exe 2964 powershell.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 1900 powershell.exe 1900 powershell.exe 2980 powershell.exe 2980 powershell.exe 1612 powershell.exe 1612 powershell.exe 3156 powershell.exe 3156 powershell.exe 1956 powershell.exe 1956 powershell.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 1236 csrss.exe 1236 csrss.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 1236 csrss.exe 1236 csrss.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 1236 csrss.exe 1236 csrss.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Token: SeImpersonatePrivilege 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 1236 csrss.exe Token: SeSecurityPrivilege 2256 sc.exe Token: SeSecurityPrivilege 2256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2096 wrote to memory of 8 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 83 PID 2096 wrote to memory of 8 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 83 PID 2096 wrote to memory of 8 2096 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 83 PID 1028 wrote to memory of 2964 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 88 PID 1028 wrote to memory of 2964 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 88 PID 1028 wrote to memory of 2964 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 88 PID 1028 wrote to memory of 3196 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 90 PID 1028 wrote to memory of 3196 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 90 PID 3196 wrote to memory of 3452 3196 cmd.exe 92 PID 3196 wrote to memory of 3452 3196 cmd.exe 92 PID 1028 wrote to memory of 1900 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 93 PID 1028 wrote to memory of 1900 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 93 PID 1028 wrote to memory of 1900 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 93 PID 1028 wrote to memory of 2980 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 95 PID 1028 wrote to memory of 2980 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 95 PID 1028 wrote to memory of 2980 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 95 PID 1028 wrote to memory of 1236 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 97 PID 1028 wrote to memory of 1236 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 97 PID 1028 wrote to memory of 1236 1028 d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe 97 PID 1236 wrote to memory of 1612 1236 csrss.exe 98 PID 1236 wrote to memory of 1612 1236 csrss.exe 98 PID 1236 wrote to memory of 1612 1236 csrss.exe 98 PID 1236 wrote to memory of 3156 1236 csrss.exe 103 PID 1236 wrote to memory of 3156 1236 csrss.exe 103 PID 1236 wrote to memory of 3156 1236 csrss.exe 103 PID 1236 wrote to memory of 1956 1236 csrss.exe 106 PID 1236 wrote to memory of 1956 1236 csrss.exe 106 PID 1236 wrote to memory of 1956 1236 csrss.exe 106 PID 1236 wrote to memory of 2300 1236 csrss.exe 108 PID 1236 wrote to memory of 2300 1236 csrss.exe 108 PID 240 wrote to memory of 3776 240 windefender.exe 114 PID 240 wrote to memory of 3776 240 windefender.exe 114 PID 240 wrote to memory of 3776 240 windefender.exe 114 PID 3776 wrote to memory of 2256 3776 cmd.exe 115 PID 3776 wrote to memory of 2256 3776 cmd.exe 115 PID 3776 wrote to memory of 2256 3776 cmd.exe 115 -
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\d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe"C:\Users\Admin\AppData\Local\Temp\d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8
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C:\Users\Admin\AppData\Local\Temp\d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.exe"C:\Users\Admin\AppData\Local\Temp\d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4.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:1028 -
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:2964
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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:3196 -
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:3452
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980
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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:1236 -
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:1612
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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:244
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956
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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:2300
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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:2104
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:240 -
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:3776 -
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:2256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4112
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e4e65586884704985079206d0ca4388
SHA1d9b74cf5bf4f18139e00551fff34339f662dc001
SHA25680eaa3c375354455c247ffd3e77ff3fc12cfd07db5f0b7a78ab6ac737267aa0e
SHA51283092e5037010d4b21d69474207634c7e68f8bd3d61f475b0adf58115b6bbd876c2802a3634ce9a8f8cc6f7bac5b850db53aa3dd7133dbdd58ff37577fe726d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55bd25fa4d483378884ee08ee8cc4c44d
SHA130144c90b995f8b36777b6831954a2f27c082bdf
SHA2564e4eb16ae6ef097ea6a0edad65116588060ef5bd70b1bdcb652d393785a1d8d6
SHA5120f7dc73c0185d365495d9203a18f9c93dd5628b15e9099ab7aa92570946a5a1751845f1b887ad8fed3b73cd08d2e90ee3ca684a85666b2789bb502c9fd99f5a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526d6fc3e196e71901358a0fd13506073
SHA189c1fb9303ed5cfe9141e981eca78d3a5f47507d
SHA256204e17b246f408ec183403524b74ef647f6e90cb0e6971a6b12556eeb76e1568
SHA5128f423b1664200e93ad57b2119a67be2a02b8a15665953aa8f3390d070f6f161be68f5764a346296c1f996d2f32cba1590740692eb39051826d56b080cb37fca2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb40b71a3bef32e7874e23e69f1d9bb2
SHA1abb78d5c871d204129baa6f8f9974cbb38fdbb88
SHA256499859c053d8ce72fb0da5d0add8a4f8f19317ec734804ab3c348a44a2a12fa2
SHA5129c272e7db2c4e3d28d9d20702b57a684b43554b8a1d038f57bf60a2c63c43df1eed05c7c98571b07678981a6ff0cd57530062d9454afe90ce035657722d11db1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ddd7e0a424087cc3927de81e7c55ef2
SHA16495d63550ed691ff35c9a51baddb6aa343cc6ab
SHA25626c8bd918defffa60e6864e1b241a83a9307580ed87d733927ec039ba7054c08
SHA5121da0baf3de1e00aa8b387963d8964861e7b0fe075eb25719129cb95038eba187a453f72fcaa7f27bd8abb92495906fbfd6ba793bb66df45e103f47b629c17696
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Filesize
4.1MB
MD5930c47039c544dff47156b7c94d70444
SHA1cffc854f9cd3d91c65aca0c6a6afbd15ca553b69
SHA256d1c445df82a888bfa7ada3c431e6a8ac3491c7f59d831ff08a3205825b256ee4
SHA51244f24b18ff5090ac86ddb33ca44d5768eb75ce18c67ed1913f52d121f5f6450772308dfac52d36564b8920c9683acf36aa7b4568411e587d7a7aef46689f3fb1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec