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Analysis
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max time kernel
152s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 13:55
Static task
static1
General
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Target
ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe
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Size
4.1MB
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MD5
2138d096b7d6461d4f3f11843bd2a98b
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SHA1
a192c3dc33efab5ba9dd0140a29ae4c0f4d687ff
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SHA256
ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43
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SHA512
269479e9f00c16e62f5ad62f3c6f06579eba9ccd45ff4ee5341519d85b9cadd236d8c06a1fefb2a8645e9bfc5ef225bd87fbbbeaaa738f9d057cb78aacc066e2
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SSDEEP
98304:mEmLLSQW+QOYjLgSJ7qflKjVQn/yrGN30UJmgpg:X5XAS00q/yrG5Xf6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4724-2-0x0000000003100000-0x00000000039EB000-memory.dmp family_glupteba behavioral1/memory/4724-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4724-5-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4724-11-0x0000000003100000-0x00000000039EB000-memory.dmp family_glupteba behavioral1/memory/4724-32-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4724-74-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-95-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-140-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-176-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-192-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-254-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-270-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-277-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-282-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-289-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3708-300-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2920 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 3708 csrss.exe 3512 injector.exe 1612 windefender.exe 2072 windefender.exe 3000 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000a000000022bdf-264.dat upx behavioral1/files/0x000a000000022bdf-266.dat upx behavioral1/files/0x000a000000022bdf-267.dat upx behavioral1/memory/1612-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2072-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2072-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2072-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000022d08-295.dat upx behavioral1/files/0x0009000000022d08-298.dat upx behavioral1/memory/2072-299-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3000-303-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3000-305-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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 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 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 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe File created C:\Windows\rss\csrss.exe ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe File created 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 336 sc.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 4220 schtasks.exe 4188 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4640 powershell.exe 4640 powershell.exe 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 548 powershell.exe 548 powershell.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 2056 powershell.exe 2056 powershell.exe 1816 powershell.exe 1816 powershell.exe 2536 powershell.exe 2536 powershell.exe 4036 powershell.exe 4036 powershell.exe 2752 powershell.exe 2752 powershell.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3708 csrss.exe 3708 csrss.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3708 csrss.exe 3708 csrss.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3708 csrss.exe 3708 csrss.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe 3512 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Token: SeImpersonatePrivilege 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeSystemEnvironmentPrivilege 3708 csrss.exe Token: SeSecurityPrivilege 336 sc.exe Token: SeSecurityPrivilege 336 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4724 wrote to memory of 4640 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 93 PID 4724 wrote to memory of 4640 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 93 PID 4724 wrote to memory of 4640 4724 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 93 PID 500 wrote to memory of 548 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 99 PID 500 wrote to memory of 548 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 99 PID 500 wrote to memory of 548 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 99 PID 500 wrote to memory of 3040 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 101 PID 500 wrote to memory of 3040 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 101 PID 3040 wrote to memory of 2920 3040 cmd.exe 103 PID 3040 wrote to memory of 2920 3040 cmd.exe 103 PID 500 wrote to memory of 2056 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 104 PID 500 wrote to memory of 2056 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 104 PID 500 wrote to memory of 2056 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 104 PID 500 wrote to memory of 1816 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 106 PID 500 wrote to memory of 1816 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 106 PID 500 wrote to memory of 1816 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 106 PID 500 wrote to memory of 3708 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 109 PID 500 wrote to memory of 3708 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 109 PID 500 wrote to memory of 3708 500 ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe 109 PID 3708 wrote to memory of 2536 3708 csrss.exe 110 PID 3708 wrote to memory of 2536 3708 csrss.exe 110 PID 3708 wrote to memory of 2536 3708 csrss.exe 110 PID 3708 wrote to memory of 4036 3708 csrss.exe 115 PID 3708 wrote to memory of 4036 3708 csrss.exe 115 PID 3708 wrote to memory of 4036 3708 csrss.exe 115 PID 3708 wrote to memory of 2752 3708 csrss.exe 118 PID 3708 wrote to memory of 2752 3708 csrss.exe 118 PID 3708 wrote to memory of 2752 3708 csrss.exe 118 PID 3708 wrote to memory of 3512 3708 csrss.exe 121 PID 3708 wrote to memory of 3512 3708 csrss.exe 121 PID 1612 wrote to memory of 4968 1612 windefender.exe 131 PID 1612 wrote to memory of 4968 1612 windefender.exe 131 PID 1612 wrote to memory of 4968 1612 windefender.exe 131 PID 4968 wrote to memory of 336 4968 cmd.exe 132 PID 4968 wrote to memory of 336 4968 cmd.exe 132 PID 4968 wrote to memory of 336 4968 cmd.exe 132 PID 3708 wrote to memory of 3000 3708 csrss.exe 137 PID 3708 wrote to memory of 3000 3708 csrss.exe 137 PID 3708 wrote to memory of 3000 3708 csrss.exe 137 -
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\ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe"C:\Users\Admin\AppData\Local\Temp\ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Users\Admin\AppData\Local\Temp\ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.exe"C:\Users\Admin\AppData\Local\Temp\ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43.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:500 -
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:548
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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:3040 -
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:2920
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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:2056
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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:1816
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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:3708 -
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:2536
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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:4220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3056
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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:4036
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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:2752
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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:3512
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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:4188
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1612 -
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:4968 -
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:336
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3000 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4948
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1400
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2072
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5def3bf02716ecb8e321266cd715faf92
SHA15fb75fe1f4e7af207faadb5ccc5f76417f46b1dc
SHA256cf677f306671829994b44abd1263c7bd62b6990decf8c81362e55970a1dacd16
SHA5129e86e1ea2b60ee7cec39a109f291e17691b946c6303f772a5b3431107ef0a638c627422ed4073cd67e007450628600b0efbd61d1b4f6dab64fde67e2c527c169
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fca4a313f0d65ea6ed6b964eac0cd201
SHA1450400e72d2a5b0114a30884778bdeb496ffda72
SHA256dbc3e031088cdc6e1e7bc17a5ca3b74c451b6fbd90fe8dc4ee4cd8ec32b3388a
SHA5129c1c8f2b336896208625287c5cf10db319a03ec60386983de87daf80029cf0bc85b766e5e4268a6e4672bab6b2755852edf45ee66fd96fd3a263486f74a95e09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552c52dab92926e8f56b90bd74caf03bb
SHA164aec9bbc33ce5b38ed04430c7d768c954a798a2
SHA25664e0b23e98da33ae6fb8dfb38bfad453981b335ff9a204f252447fba53c40b7d
SHA51227049bb6193a0558bebb625517b719adc9c781b6192db81cc01e3489ce754c92f21182e4aa2703c37146f88fee627d8ecdcc458477018120ce2861db209f02ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3a8facfe21ec728f0412aed0fc7bc42
SHA1931eb34e62194760a16d54ca8ccad35ab3851282
SHA256e241fb93f2ccae5df179d3bb4871f033ed1ee3ebaa6e895bde5e6e46f8869e6c
SHA5121a8e91ab00e9a5c4e533c49726134f2352f76338393b31054d04cfa5e4c92162b9bb0c7d7749f7c622a9c33ba3a07849cb7df13cdccb071721cd1239d73decf4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cd25088672a19be6d694a85c112e34e
SHA1f12eea6740f369245f28d2d7b081cd73e8576bae
SHA25653b70a845fd3c50e52e58899b2516eef1bbd82884e74ce638e7b52f743ccf8ea
SHA51207c56163aae0bf67062b449f7434da0e011236138c1c81b287feabcef24aa15eda627172e4c36a09d01b3fff1b67e956b145589c59728b44d3828b8ef8349659
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Filesize
4.1MB
MD52138d096b7d6461d4f3f11843bd2a98b
SHA1a192c3dc33efab5ba9dd0140a29ae4c0f4d687ff
SHA256ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43
SHA512269479e9f00c16e62f5ad62f3c6f06579eba9ccd45ff4ee5341519d85b9cadd236d8c06a1fefb2a8645e9bfc5ef225bd87fbbbeaaa738f9d057cb78aacc066e2
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Filesize
4.1MB
MD52138d096b7d6461d4f3f11843bd2a98b
SHA1a192c3dc33efab5ba9dd0140a29ae4c0f4d687ff
SHA256ffd7ff06bc77dbaf8b1d636b2963c68aa6cf5e3a05d8dead12cdec5ff8c4aa43
SHA512269479e9f00c16e62f5ad62f3c6f06579eba9ccd45ff4ee5341519d85b9cadd236d8c06a1fefb2a8645e9bfc5ef225bd87fbbbeaaa738f9d057cb78aacc066e2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec