Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 19:16
Static task
static1
Behavioral task
behavioral1
Sample
fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe
Resource
win10v2004-20240426-en
General
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Target
fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe
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Size
4.1MB
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MD5
e82d610b4e846700b0c1d86b2e01e7e9
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SHA1
0d4f660f4f0b138048ae361a39ebe4fbcf6400d9
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SHA256
fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6
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SHA512
73ce7eff23870064854b865e3395e7aac1042e2d54e459233ab59f7baa0f2a560eead88d4daf5e5fe4a9f061733b9fc128b262dfdf02df3c029d112e2a6b4c28
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SSDEEP
98304:nvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1A:nv8u49ZH7eDfxu9yMsEA
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/4036-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/4036-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4036-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4964-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2404 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4964 csrss.exe 4160 injector.exe 3700 windefender.exe 4448 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002342b-222.dat upx behavioral1/memory/3700-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4448-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3700-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4448-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4448-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4448-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe File created C:\Windows\rss\csrss.exe fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.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 1668 sc.exe -
pid Process 3036 powershell.exe 2308 powershell.exe 1612 powershell.exe 1932 powershell.exe 3024 powershell.exe 4388 powershell.exe 4548 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 2604 schtasks.exe 1232 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-435 = "Georgian 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,-82 = "Atlantic Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 powershell.exe 1932 powershell.exe 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 3024 powershell.exe 3024 powershell.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 4388 powershell.exe 4388 powershell.exe 4548 powershell.exe 4548 powershell.exe 3036 powershell.exe 3036 powershell.exe 2308 powershell.exe 2308 powershell.exe 1612 powershell.exe 1612 powershell.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4964 csrss.exe 4964 csrss.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4964 csrss.exe 4964 csrss.exe 4160 injector.exe 4160 injector.exe 4964 csrss.exe 4964 csrss.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Token: SeImpersonatePrivilege 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 1612 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 1668 sc.exe Token: SeSecurityPrivilege 1668 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4036 wrote to memory of 1932 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 91 PID 4036 wrote to memory of 1932 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 91 PID 4036 wrote to memory of 1932 4036 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 91 PID 916 wrote to memory of 3024 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 97 PID 916 wrote to memory of 3024 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 97 PID 916 wrote to memory of 3024 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 97 PID 916 wrote to memory of 2712 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 99 PID 916 wrote to memory of 2712 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 99 PID 2712 wrote to memory of 2404 2712 cmd.exe 101 PID 2712 wrote to memory of 2404 2712 cmd.exe 101 PID 916 wrote to memory of 4388 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 102 PID 916 wrote to memory of 4388 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 102 PID 916 wrote to memory of 4388 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 102 PID 916 wrote to memory of 4548 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 104 PID 916 wrote to memory of 4548 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 104 PID 916 wrote to memory of 4548 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 104 PID 916 wrote to memory of 4964 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 106 PID 916 wrote to memory of 4964 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 106 PID 916 wrote to memory of 4964 916 fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe 106 PID 4964 wrote to memory of 3036 4964 csrss.exe 107 PID 4964 wrote to memory of 3036 4964 csrss.exe 107 PID 4964 wrote to memory of 3036 4964 csrss.exe 107 PID 4964 wrote to memory of 2308 4964 csrss.exe 113 PID 4964 wrote to memory of 2308 4964 csrss.exe 113 PID 4964 wrote to memory of 2308 4964 csrss.exe 113 PID 4964 wrote to memory of 1612 4964 csrss.exe 115 PID 4964 wrote to memory of 1612 4964 csrss.exe 115 PID 4964 wrote to memory of 1612 4964 csrss.exe 115 PID 4964 wrote to memory of 4160 4964 csrss.exe 118 PID 4964 wrote to memory of 4160 4964 csrss.exe 118 PID 3700 wrote to memory of 2304 3700 windefender.exe 125 PID 3700 wrote to memory of 2304 3700 windefender.exe 125 PID 3700 wrote to memory of 2304 3700 windefender.exe 125 PID 2304 wrote to memory of 1668 2304 cmd.exe 126 PID 2304 wrote to memory of 1668 2304 cmd.exe 126 PID 2304 wrote to memory of 1668 2304 cmd.exe 126 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe"C:\Users\Admin\AppData\Local\Temp\fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Users\Admin\AppData\Local\Temp\fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.exe"C:\Users\Admin\AppData\Local\Temp\fc865f857818beabaa015df0ea579e62a18d8255fd7cb3f4628d943a6b4d7cd6.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:916 -
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:3024
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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:2712 -
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:2404
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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:4388
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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:4548
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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:4964 -
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:3036
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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:2604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2472
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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:2308
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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:1612
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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:4160
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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:1232
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3700 -
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:2304 -
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:1668
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4448
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573f8846822a3424959531c5ab8a87a01
SHA1cb33e84ad16c0937c05feebae5316aae879a20f2
SHA2568ab90761172be60ce903164c4c391e1c34cc08e2b3c4ca11f910df6ce5c42ddd
SHA51242aff5d5ac0607e4c442a5f9ac874b4c97e75a7467608a2a88b49e2660a2f4a2ce6078b8f058606d36d83f87b33db2c333838579278c97937df735f48fd1fcd0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50afc70a69de2f9e8230019e374d4e402
SHA1c6405a7811acf381124f9bad7db15fe64e865b77
SHA2568f81da8ea05b268d2cba2b1abb12e8e7988d4b88b11d1a5451b203b23135e783
SHA5128cc673d7f9f36a944b5024deefed5d9887ae8ed609fd3168207bfff1312d24c693104a96cdb8fb2fd14d30bcd6393090a63ee5b19f982f06358b3c9d72d438ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8b0a022572bc00b69b4c4a98c7a495a
SHA1358af12fae9dc21fc266b27162ad2b1bad93ac73
SHA256f0458ce3a11fa106df44032509d2cf5bdf7ade2e817d7fbb16509d787bf39f1d
SHA51217c29e9e3a43bcf940454520ec75ad6212f9462f38ec364d3b9c9ea7f524670578ccd89f8d6e331a66640ad2dd8c426ea803cef2922acb1888b8e22dc93921e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5456f7c1407d72087efa48ef9da8d4d39
SHA1b924a6d328a9ec3e1f1cc070f3c8a5d9c61989e4
SHA256be4631eadbc8034664cb9ad9a0f9c50ebe3348b30a9159983ea04525872d7ad1
SHA512ebb749c462be05580b5a369de1233aed43c80d23df60fc5066c864833cdca46a51ed3745ea5d39df8e0ede5e67f39d94f659cbbad5fa98090af23548961522af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9ee50c294969ebcdbdfdc0865499252
SHA18784a53a0b646e0eb2a39a5465362c94ea72986e
SHA25688cc75abfdf8a795843c3e70ce85215741258e9e66ca9df54f3947a05ba12fef
SHA512ca3eaf2d25892778357884a163c2113800cb6e748b745fcd766c39dcb7827e9dc702d4d2dc0c8346c9603aa926ca1cf207a6579a25d42ceee67388f5ece04032
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Filesize
1.1MB
MD58107e81770df3c6b7c30195c33a0203f
SHA1a92d540f8640b4230b65169b63e0fab0dfd05f68
SHA2562e0a327a0c1f5970f4551283aa7ff998e2e908ae1452a6458de69c8a713b0eba
SHA51277702fdb58525681fad67644a3eed83dbdfa1467881b0b9db48fd3c4ceee3d51848c76ca23f1bf26c82bc74fc31bf11915dff8bd9f8d02c8ae6d4b216ddb4010
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Filesize
1.9MB
MD540ba38a5e66dee180c2469d47303dd5b
SHA1d349f160c758421e13ffb78aa33fe9d3e5997185
SHA2569920098bb177cf96f4060ee9e661394853907340c34ebf35f959a09fbe309280
SHA512da3e9bcbedf0079de1602c94d61766c437bfa2e4ac2d5d70d583ddd4831972985d1cb0e6a31fa010b511ff59efd10eb62f50059cef36538b3b9992cea952f72d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec