Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe
Resource
win10v2004-20240508-en
General
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Target
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe
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Size
4.1MB
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MD5
ad49a14ae62706017f7c473c94c90244
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SHA1
580ccc7b4a970fcdf05fcaaa9319db906d8e70ef
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SHA256
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be
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SHA512
fe860e91a02ee7e45209930db59f37f0862c6a218f7d32e53abad6f0f3968a928cd031d1ae7ac6b88406254f852dd0a54355f7eac921be69ecec61ce135a8778
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SSDEEP
98304:QvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cB:mzBhDcIv8bCGbNmyXXxFQGyB
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/1284-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1284-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1284-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1284-75-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1560-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1560-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-203-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3360-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4052 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3360 csrss.exe 3520 injector.exe 3548 windefender.exe 1816 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9d5-206.dat upx behavioral2/memory/3548-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3548-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1816-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1816-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe -
Drops file in Windows directory 4 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe File created C:\Windows\rss\csrss.exe f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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 2532 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1596 powershell.exe 984 powershell.exe 1468 powershell.exe 4160 powershell.exe 3524 powershell.exe 2664 powershell.exe 4936 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 2828 schtasks.exe 1688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central 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\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-271 = "Greenwich Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight 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,-742 = "New Zealand Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1596 powershell.exe 1596 powershell.exe 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 984 powershell.exe 984 powershell.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1468 powershell.exe 1468 powershell.exe 4160 powershell.exe 4160 powershell.exe 3524 powershell.exe 3524 powershell.exe 2664 powershell.exe 2664 powershell.exe 4936 powershell.exe 4936 powershell.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3360 csrss.exe 3360 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3360 csrss.exe 3360 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3360 csrss.exe 3360 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Token: SeImpersonatePrivilege 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Token: SeDebugPrivilege 984 powershell.exe Token: SeDebugPrivilege 1468 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeSystemEnvironmentPrivilege 3360 csrss.exe Token: SeSecurityPrivilege 2532 sc.exe Token: SeSecurityPrivilege 2532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1284 wrote to memory of 1596 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 78 PID 1284 wrote to memory of 1596 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 78 PID 1284 wrote to memory of 1596 1284 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 78 PID 1560 wrote to memory of 984 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 83 PID 1560 wrote to memory of 984 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 83 PID 1560 wrote to memory of 984 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 83 PID 1560 wrote to memory of 1160 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 85 PID 1560 wrote to memory of 1160 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 85 PID 1160 wrote to memory of 4052 1160 cmd.exe 87 PID 1160 wrote to memory of 4052 1160 cmd.exe 87 PID 1560 wrote to memory of 1468 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 88 PID 1560 wrote to memory of 1468 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 88 PID 1560 wrote to memory of 1468 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 88 PID 1560 wrote to memory of 4160 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 90 PID 1560 wrote to memory of 4160 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 90 PID 1560 wrote to memory of 4160 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 90 PID 1560 wrote to memory of 3360 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 92 PID 1560 wrote to memory of 3360 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 92 PID 1560 wrote to memory of 3360 1560 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 92 PID 3360 wrote to memory of 3524 3360 csrss.exe 93 PID 3360 wrote to memory of 3524 3360 csrss.exe 93 PID 3360 wrote to memory of 3524 3360 csrss.exe 93 PID 3360 wrote to memory of 2664 3360 csrss.exe 99 PID 3360 wrote to memory of 2664 3360 csrss.exe 99 PID 3360 wrote to memory of 2664 3360 csrss.exe 99 PID 3360 wrote to memory of 4936 3360 csrss.exe 101 PID 3360 wrote to memory of 4936 3360 csrss.exe 101 PID 3360 wrote to memory of 4936 3360 csrss.exe 101 PID 3360 wrote to memory of 3520 3360 csrss.exe 103 PID 3360 wrote to memory of 3520 3360 csrss.exe 103 PID 3548 wrote to memory of 3796 3548 windefender.exe 109 PID 3548 wrote to memory of 3796 3548 windefender.exe 109 PID 3548 wrote to memory of 3796 3548 windefender.exe 109 PID 3796 wrote to memory of 2532 3796 cmd.exe 110 PID 3796 wrote to memory of 2532 3796 cmd.exe 110 PID 3796 wrote to memory of 2532 3796 cmd.exe 110 -
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\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
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C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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:1560 -
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:984
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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:1160 -
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:4052
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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:1468
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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:4160
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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:3360 -
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:3524
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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:2828
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2784
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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:2664
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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:4936
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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:3520
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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:1688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3548 -
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:3796 -
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:2532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1816
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
MD5cbf530714daf8d6830ce572baafe2c7e
SHA188a844a24108de5abfe186bd416d3e2585db07a9
SHA2562742398472bd63ec19799970708a438e0884433f904eea90e0f121b3d3dcec9a
SHA512eed4aad654f6b00450f96bea7c675c7e0ae67d4658d49978b86abac6fb07e49886e780d84817dfa644f46cfb72432fbcca1f445380f38cf230a974b946565e02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f603fc60692199b462f6447aeb197725
SHA10e2f81ef0098398a3169023d5a641179f7d3f96c
SHA256a94a6f98f2b1f63868c7d8b4936d3776285e4603628cc5db661c23063b97b8fc
SHA5124c9f332404edfee4ced10eae407d1fbf7d5cbe16445893b89c38e800463c8dfb738daba1b7376f0277daf65e07def7a9aacaacda2863a9b9480bb652c49ecd07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c0ce1863a0a8373525605e0a47259456
SHA16061758299d5090273bf9a0b23273625ae3a0a75
SHA256dd773fb3bff183cddaaff4bfa7f69d20136b47408253b59f3f8729c566b63f1d
SHA512b3e2413972f44a81c70626027cb03a8a481c5ed757a7b9793e764a35651807f99ac366db277371e807af131c34ae58baa306c0695faa01dd9950b7689cb9cb5e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50de3736f1872d70d213607d6626d29ec
SHA1a415ece1c62a6b08c144a88f570a9a8b71afb537
SHA2560ead149c62ec19c9a350d64d29683867c5edf78c6e4fcbaf3b7123dd3e5f6fcb
SHA5120b368950d896cd45748a8da39482a7229719589460deb321fb9b10a50f9e318f00f6fa9066d0e29cacd4887b22212c51df5f82ba982cc0c1f06f2d12206ed6c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fd8fdc1c5d1671a47ded62ca7aa4ed2
SHA11345936ff88773e62389e35c2b55b9d0e9328e04
SHA25671bcc8ab5e7577cb938603b2d0bd4026dbdeef919ee016ef4234dd4a6b0841d6
SHA51275fbaa4cb4f9d79fbd07cb1dc892ff061052f3e8eb1a73638b8a728b040fc07de7efe09254374b82326457d6f85847263feeff26b1a2770e04a16e69ea01b161
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Filesize
4.1MB
MD5ad49a14ae62706017f7c473c94c90244
SHA1580ccc7b4a970fcdf05fcaaa9319db906d8e70ef
SHA256f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be
SHA512fe860e91a02ee7e45209930db59f37f0862c6a218f7d32e53abad6f0f3968a928cd031d1ae7ac6b88406254f852dd0a54355f7eac921be69ecec61ce135a8778
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec