Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe
Resource
win10v2004-20240426-en
General
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Target
1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe
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Size
4.1MB
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MD5
9dfcbb0ca063d36fb05121c53c838c0d
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SHA1
abf8b0b6b3c4074c3da25f8f5d88a08f0822d138
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SHA256
1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e
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SHA512
14d06238dcd04eee54af3e49a75662c5aba0515e0a280aeb926b71fa946ec7765cb29315c0671ec04851a85ce1073b80c0159fe0a0b3c9698fd02d3766f21762
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SSDEEP
98304:zmSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92J:z0ObLh9WfG/tSdeC
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4392-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/4392-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4392-167-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/4392-155-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4928-208-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4392-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3736-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-263-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-267-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3736-271-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4028 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3736 csrss.exe 1536 injector.exe 4988 windefender.exe 4456 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023425-219.dat upx behavioral1/memory/4988-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4988-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4456-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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\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 File created 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 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.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 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe File created C:\Windows\rss\csrss.exe 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.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 1888 sc.exe -
pid Process 3012 powershell.exe 1400 powershell.exe 3900 powershell.exe 2032 powershell.exe 4248 powershell.exe 3652 powershell.exe 3232 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 2060 schtasks.exe 3892 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,-1972 = "Belarus Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina 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\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.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,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT 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,-432 = "Iran Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.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,-1022 = "Bangladesh 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" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4248 powershell.exe 4248 powershell.exe 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 3652 powershell.exe 3652 powershell.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 3232 powershell.exe 3232 powershell.exe 3012 powershell.exe 3012 powershell.exe 1400 powershell.exe 1400 powershell.exe 1400 powershell.exe 3900 powershell.exe 3900 powershell.exe 3900 powershell.exe 2032 powershell.exe 2032 powershell.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 3736 csrss.exe 3736 csrss.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 3736 csrss.exe 3736 csrss.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 3736 csrss.exe 3736 csrss.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe 1536 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Token: SeImpersonatePrivilege 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe Token: SeDebugPrivilege 3652 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeSystemEnvironmentPrivilege 3736 csrss.exe Token: SeSecurityPrivilege 1888 sc.exe Token: SeSecurityPrivilege 1888 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4392 wrote to memory of 4248 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 87 PID 4392 wrote to memory of 4248 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 87 PID 4392 wrote to memory of 4248 4392 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 87 PID 4928 wrote to memory of 3652 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 93 PID 4928 wrote to memory of 3652 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 93 PID 4928 wrote to memory of 3652 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 93 PID 4928 wrote to memory of 4688 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 100 PID 4928 wrote to memory of 4688 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 100 PID 4688 wrote to memory of 4028 4688 cmd.exe 102 PID 4688 wrote to memory of 4028 4688 cmd.exe 102 PID 4928 wrote to memory of 3232 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 103 PID 4928 wrote to memory of 3232 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 103 PID 4928 wrote to memory of 3232 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 103 PID 4928 wrote to memory of 3012 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 105 PID 4928 wrote to memory of 3012 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 105 PID 4928 wrote to memory of 3012 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 105 PID 4928 wrote to memory of 3736 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 109 PID 4928 wrote to memory of 3736 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 109 PID 4928 wrote to memory of 3736 4928 1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe 109 PID 3736 wrote to memory of 1400 3736 csrss.exe 110 PID 3736 wrote to memory of 1400 3736 csrss.exe 110 PID 3736 wrote to memory of 1400 3736 csrss.exe 110 PID 3736 wrote to memory of 3900 3736 csrss.exe 131 PID 3736 wrote to memory of 3900 3736 csrss.exe 131 PID 3736 wrote to memory of 3900 3736 csrss.exe 131 PID 3736 wrote to memory of 2032 3736 csrss.exe 118 PID 3736 wrote to memory of 2032 3736 csrss.exe 118 PID 3736 wrote to memory of 2032 3736 csrss.exe 118 PID 3736 wrote to memory of 1536 3736 csrss.exe 120 PID 3736 wrote to memory of 1536 3736 csrss.exe 120 PID 4988 wrote to memory of 4940 4988 windefender.exe 126 PID 4988 wrote to memory of 4940 4988 windefender.exe 126 PID 4988 wrote to memory of 4940 4988 windefender.exe 126 PID 4940 wrote to memory of 1888 4940 cmd.exe 127 PID 4940 wrote to memory of 1888 4940 cmd.exe 127 PID 4940 wrote to memory of 1888 4940 cmd.exe 127 -
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\1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe"C:\Users\Admin\AppData\Local\Temp\1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Users\Admin\AppData\Local\Temp\1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.exe"C:\Users\Admin\AppData\Local\Temp\1b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e.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:4928 -
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:3652
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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:4688 -
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:4028
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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:3232
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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:3012
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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:3736 -
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:1400
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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:2060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:876
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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:3900
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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:2032
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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:1536
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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:3892
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4988 -
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:4940 -
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:1888
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4456
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:3900
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
MD54a3fc9d0d8dcce0e58757ff48241b4c9
SHA11541e86f552bf9a48beb3e7533c6dd1c5d5b8ce1
SHA2563aa57795cf8022929118fa943cabdc711c8c66046835445d3d1e7c29183c63e8
SHA512bad3fb33610727e73237b39c2f97df5efc677f37501d6141ffec2a0fb041e9a5f02d28ca0b7fb04d780a6257c47873467ccf080d85c516a693201428c26c5ae9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568735a89552525ac0a65ff3a9058f983
SHA1b4158798e9372c3f25f850c761e057633ea7a4c3
SHA256db06114433f1053dbb2953e229ccdaab31929b091977c7ba33e49cd7739c5270
SHA51216c485edda9908204371d7ce3864748c40e07283af29b3004e4d367e662a09dc39ba797b11200682b0af2aa72958beb7828a3cd0a64fcc7ccbef2f6402b19e70
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df2868494791270edcfcc1fab6b8fbcb
SHA1116b3fefab8e9200496b221e7099a5c3be5b5305
SHA2569de77d070a3c6cfcfcc08bee87bb4574c6952a1110d85f444d4d66640d1f4f5b
SHA5127ad0b5d1436860fa7d8ad59ea090cb996d9b7d87dbe21545b204288cdf155a70f500af1fc510c4d7cb83429ba9e2823a952f6d46004fe3a1db24894e4ea74d98
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5143e681f7aa67c3fa8176c60b8e35b44
SHA14343ce5e5b0e91de2b91012fd5ce49c7216d840d
SHA256078f5dcfb021271f7a9de09d57ecf90680634925024a44a101f4826543fbb5ce
SHA51254892f69380eef3d8f64bd4f2cd9519b86fed667b9c2368ac5be9ddf50be37a3448ba21245ad35b85f78351e76d1fbfb7dda97781b3b58db688aadfe2b040e74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590850455462cc6ac4567b16a91952b5e
SHA1823faae30cd22fc06461c148f11f8e037d4021ac
SHA256ec0f6830a2177b16102aab8f63af747c13ffca2de761508659c33dce4755bfe8
SHA51212e46db2cc04cfd3cd6c73150f88b8a3fdc29fd8cd0e4b84217b9f77cf34674d5eb031746c54f8746f33a847e59c2e9ea7374b3f22f76345677c18ed7fd50c9e
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Filesize
4.1MB
MD59dfcbb0ca063d36fb05121c53c838c0d
SHA1abf8b0b6b3c4074c3da25f8f5d88a08f0822d138
SHA2561b1998713d6ebdd277350cdb171eab4ee9bad0272e1e033305dd04a1a798be3e
SHA51214d06238dcd04eee54af3e49a75662c5aba0515e0a280aeb926b71fa946ec7765cb29315c0671ec04851a85ce1073b80c0159fe0a0b3c9698fd02d3766f21762
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec