Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:24
Static task
static1
Behavioral task
behavioral1
Sample
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe
Resource
win10v2004-20240426-en
General
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Target
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe
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Size
4.1MB
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MD5
9072aece4dc0b22fd6164628bc4f574c
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SHA1
d8fabd510bc393d622be0a16954bd6ba9e00a91a
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SHA256
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79
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SHA512
026ee8f22d16587088a555c144af8b352c6532c6648e6ad290ba1accd25743af7ef2fbbbf135f1d9bb0aeaf7ba126354835e5fa623f451f762634b79af182ff8
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1B:BvHfb2IifudqhIuUHwAjW+T
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2500-2-0x0000000004B10000-0x00000000053FB000-memory.dmp family_glupteba behavioral2/memory/2500-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2500-118-0x0000000004B10000-0x00000000053FB000-memory.dmp family_glupteba behavioral2/memory/2500-116-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1840-124-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2500-191-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1180-199-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1180-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 5024 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1180 csrss.exe 1612 injector.exe 2052 windefender.exe 5056 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa22-202.dat upx behavioral2/memory/2052-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5056-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2052-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5056-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5056-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe -
Drops file in Windows directory 4 IoCs
Processes:
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe File created C:\Windows\rss\csrss.exe e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.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.
Processes:
sc.exepid Process 912 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4736 powershell.exe 3108 powershell.exe 4788 powershell.exe 1592 powershell.exe 5012 powershell.exe 2476 powershell.exe 4172 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1540 schtasks.exe 1964 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exee1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.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,-352 = "FLE 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" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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,-2161 = "Altai Daylight Time" e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exepowershell.exee1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5012 powershell.exe 5012 powershell.exe 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 2476 powershell.exe 2476 powershell.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 4172 powershell.exe 4172 powershell.exe 4736 powershell.exe 4736 powershell.exe 3108 powershell.exe 3108 powershell.exe 4788 powershell.exe 4788 powershell.exe 1592 powershell.exe 1592 powershell.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1180 csrss.exe 1180 csrss.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1180 csrss.exe 1180 csrss.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1180 csrss.exe 1180 csrss.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Token: SeImpersonatePrivilege 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 4788 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeSystemEnvironmentPrivilege 1180 csrss.exe Token: SeSecurityPrivilege 912 sc.exe Token: SeSecurityPrivilege 912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exee1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2500 wrote to memory of 5012 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 81 PID 2500 wrote to memory of 5012 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 81 PID 2500 wrote to memory of 5012 2500 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 81 PID 1840 wrote to memory of 2476 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 87 PID 1840 wrote to memory of 2476 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 87 PID 1840 wrote to memory of 2476 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 87 PID 1840 wrote to memory of 2612 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 89 PID 1840 wrote to memory of 2612 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 89 PID 2612 wrote to memory of 5024 2612 cmd.exe 91 PID 2612 wrote to memory of 5024 2612 cmd.exe 91 PID 1840 wrote to memory of 4172 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 92 PID 1840 wrote to memory of 4172 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 92 PID 1840 wrote to memory of 4172 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 92 PID 1840 wrote to memory of 4736 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 94 PID 1840 wrote to memory of 4736 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 94 PID 1840 wrote to memory of 4736 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 94 PID 1840 wrote to memory of 1180 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 96 PID 1840 wrote to memory of 1180 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 96 PID 1840 wrote to memory of 1180 1840 e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe 96 PID 1180 wrote to memory of 3108 1180 csrss.exe 97 PID 1180 wrote to memory of 3108 1180 csrss.exe 97 PID 1180 wrote to memory of 3108 1180 csrss.exe 97 PID 1180 wrote to memory of 4788 1180 csrss.exe 102 PID 1180 wrote to memory of 4788 1180 csrss.exe 102 PID 1180 wrote to memory of 4788 1180 csrss.exe 102 PID 1180 wrote to memory of 1592 1180 csrss.exe 105 PID 1180 wrote to memory of 1592 1180 csrss.exe 105 PID 1180 wrote to memory of 1592 1180 csrss.exe 105 PID 1180 wrote to memory of 1612 1180 csrss.exe 107 PID 1180 wrote to memory of 1612 1180 csrss.exe 107 PID 2052 wrote to memory of 4744 2052 windefender.exe 113 PID 2052 wrote to memory of 4744 2052 windefender.exe 113 PID 2052 wrote to memory of 4744 2052 windefender.exe 113 PID 4744 wrote to memory of 912 4744 cmd.exe 114 PID 4744 wrote to memory of 912 4744 cmd.exe 114 PID 4744 wrote to memory of 912 4744 cmd.exe 114 -
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\e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe"C:\Users\Admin\AppData\Local\Temp\e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012
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C:\Users\Admin\AppData\Local\Temp\e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.exe"C:\Users\Admin\AppData\Local\Temp\e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79.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:1840 -
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:2476
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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:2612 -
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:5024
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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:4172
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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:4736
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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:1180 -
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:3108
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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:1540
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3532
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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:4788
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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:1592
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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:1612
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2052 -
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:4744 -
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:912
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5056
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec69772c6f2ba817355db853409bd7ca
SHA1c7c140126183ae8201cc79b4b7bd51836d20ef33
SHA25642d19f2255758fb9ec45f965e0d4d4e93e520467aca86ef40b58b0ca9e5b03ba
SHA5123b4044037adccb6faf20a36ebd1d6dd3d2c8f5d7cebfab3490eb5d030e101961536784629c4d0e72361e759eed69534a089145ee82acdd87eda3bbf974e763d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d84383bc9c15f9faa0e0f7ca26ff9187
SHA1b275f76c7abd1083465737dd6d7d5e19699ceb08
SHA25696b67bdaca9c2cb4cb38fd1fbfbf256b3861ce9637b33f09bd0aa07a83c9fb32
SHA512897c256f1803cee2e403e0bc82b3802ff593da6bdb456c5cc3a836b10ae28be302cf4e9bb9995d9edd44e1dca27a5fab72e145e38ee8d70e652c709063b940d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c30e12c3060db82453ad69c83d9fb5ec
SHA124ef0a1eb70c6d2a16b1ac0d12fd0ff002b00b70
SHA256392dbaba777034cd395d54ff437ef3f5188304aa3e40fdbb2cbf547d82618582
SHA5122676309b32ccd9f2ea5d631494553bbd88b091e34f69e60ab84e0ae3e03690868fd0c8494a2c8a3aeced9a0fea0c116af0a98c0674b2a781083f53019d768cb2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c934bb05a0eb4a38ce35df28da004e27
SHA14905d6530b9f28a82abc98cb8cb5caba8f58f516
SHA256c52e4cd6a9a6901811548c12e1605edb7ae2e1851cc29332124e1b1550a3a0ee
SHA512b211c6fd494a7761796fa441727c53a9dd8def21a04234cf32201934999cd8fc365b0430d6ec73bf00d53fc2afc275e4b80141fc364c4fc4320603b7e573d564
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e282a9463cf9fe215b984d580c32c83c
SHA1888dcdd7566914f2f962feb5128e88b1cc3d7463
SHA2565fb68261851d7c2ea145311182c16fae035da97031f85232bb9c1359d3c170ea
SHA512e48f55d4a6156e24c0f5ec3caf8e6d00846343c3e7b52566a9c8ca92bc2835a1cbd64549db8c54a0ac16d9900c1c41b49dbb0b8739751322cf2cb54099279649
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Filesize
4.1MB
MD59072aece4dc0b22fd6164628bc4f574c
SHA1d8fabd510bc393d622be0a16954bd6ba9e00a91a
SHA256e1129b127bf269890514f1a62139a83875559d5306e7ff1f1fe51bc1bbd7cb79
SHA512026ee8f22d16587088a555c144af8b352c6532c6648e6ad290ba1accd25743af7ef2fbbbf135f1d9bb0aeaf7ba126354835e5fa623f451f762634b79af182ff8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec