Analysis
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max time kernel
300s -
max time network
304s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
07-03-2024 04:53
Static task
static1
Behavioral task
behavioral1
Sample
57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe
Resource
win7-20240221-en
General
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Target
57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe
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Size
4.1MB
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MD5
374a90da1a6547f00f47d1cb5bce6297
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SHA1
b38a83b09e4931ff7089b497f2b3676ab537faf8
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SHA256
57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f
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SHA512
07cb2eb4f98cdf5e09db509186a5b7b18975c4ef000ce7247711bb35f5fc536f70d05420992312926c860123af017a7b2e341a99d74ca1eadfd11397f4ac7705
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SSDEEP
98304:aZy2mpndnSc8onitd+7GuclR/Kx46q1BnU79m/Ri5HAy0QODik2gj+BW3RLqT:Uy5TnKon/Tcu46aBU79mUaxQODik2PBf
Malware Config
Signatures
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Glupteba payload 37 IoCs
resource yara_rule behavioral2/memory/4404-2-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/4404-3-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/4404-259-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/4404-264-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/4404-304-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/1408-307-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/1408-556-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/1408-586-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/1408-805-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/1408-1052-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1056-0x0000000004500000-0x0000000004DEB000-memory.dmp family_glupteba behavioral2/memory/5088-1057-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1305-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1800-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1809-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1815-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1817-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1819-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1821-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1823-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1825-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1827-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1829-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1831-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1833-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1835-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1837-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1839-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1841-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1843-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1845-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1847-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1849-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1851-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1853-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1855-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba behavioral2/memory/5088-1857-0x0000000000400000-0x0000000001E11000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4520 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5088 csrss.exe 2872 injector.exe 1752 windefender.exe 5024 windefender.exe -
resource yara_rule behavioral2/files/0x000700000001ac0b-1808.dat upx behavioral2/memory/1752-1814-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5024-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5024-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1531961169-1615826105-2188682873-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1531961169-1615826105-2188682873-1000\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 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe File created C:\Windows\rss\csrss.exe 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2556 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 748 schtasks.exe 1640 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3168 powershell.exe 3168 powershell.exe 3168 powershell.exe 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1320 powershell.exe 1320 powershell.exe 1320 powershell.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 1200 powershell.exe 1200 powershell.exe 1200 powershell.exe 4800 powershell.exe 4800 powershell.exe 4800 powershell.exe 1684 powershell.exe 1684 powershell.exe 1684 powershell.exe 2956 powershell.exe 2956 powershell.exe 2956 powershell.exe 4476 powershell.exe 4476 powershell.exe 4476 powershell.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 5088 csrss.exe 2872 injector.exe 5088 csrss.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 5088 csrss.exe 5088 csrss.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 5088 csrss.exe 5088 csrss.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe 2872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Token: SeImpersonatePrivilege 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 1684 powershell.exe Token: SeDebugPrivilege 2956 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeSystemEnvironmentPrivilege 5088 csrss.exe Token: SeSecurityPrivilege 2556 sc.exe Token: SeSecurityPrivilege 2556 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4404 wrote to memory of 3168 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 72 PID 4404 wrote to memory of 3168 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 72 PID 4404 wrote to memory of 3168 4404 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 72 PID 1408 wrote to memory of 1320 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 77 PID 1408 wrote to memory of 1320 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 77 PID 1408 wrote to memory of 1320 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 77 PID 1408 wrote to memory of 1476 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 79 PID 1408 wrote to memory of 1476 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 79 PID 1476 wrote to memory of 4520 1476 cmd.exe 81 PID 1476 wrote to memory of 4520 1476 cmd.exe 81 PID 1408 wrote to memory of 1200 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 82 PID 1408 wrote to memory of 1200 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 82 PID 1408 wrote to memory of 1200 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 82 PID 1408 wrote to memory of 4800 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 84 PID 1408 wrote to memory of 4800 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 84 PID 1408 wrote to memory of 4800 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 84 PID 1408 wrote to memory of 5088 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 86 PID 1408 wrote to memory of 5088 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 86 PID 1408 wrote to memory of 5088 1408 57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe 86 PID 5088 wrote to memory of 1684 5088 csrss.exe 87 PID 5088 wrote to memory of 1684 5088 csrss.exe 87 PID 5088 wrote to memory of 1684 5088 csrss.exe 87 PID 5088 wrote to memory of 2956 5088 csrss.exe 94 PID 5088 wrote to memory of 2956 5088 csrss.exe 94 PID 5088 wrote to memory of 2956 5088 csrss.exe 94 PID 5088 wrote to memory of 4476 5088 csrss.exe 96 PID 5088 wrote to memory of 4476 5088 csrss.exe 96 PID 5088 wrote to memory of 4476 5088 csrss.exe 96 PID 5088 wrote to memory of 2872 5088 csrss.exe 98 PID 5088 wrote to memory of 2872 5088 csrss.exe 98 PID 1752 wrote to memory of 3376 1752 windefender.exe 105 PID 1752 wrote to memory of 3376 1752 windefender.exe 105 PID 1752 wrote to memory of 3376 1752 windefender.exe 105 PID 3376 wrote to memory of 2556 3376 cmd.exe 106 PID 3376 wrote to memory of 2556 3376 cmd.exe 106 PID 3376 wrote to memory of 2556 3376 cmd.exe 106 -
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\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe"C:\Users\Admin\AppData\Local\Temp\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168
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C:\Users\Admin\AppData\Local\Temp\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe"C:\Users\Admin\AppData\Local\Temp\57c1424b08b502eeef5ef902e08397c7a37f0248cc1b4f1043db820ab77ac54f.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:1408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
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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:1476 -
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:4520
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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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:5088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684
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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:748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4636
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2956
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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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:2872
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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:1640
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1752 -
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:3376 -
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:2556
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5024
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56229d99247a73a49bb2e6cf2ab4c8bb3
SHA1bdbdf4818bf19df0e3f49fdcd037083a41f9f36b
SHA256c149a72e7aa02da9de8d318d45ae18ba899bb7f02db6cfcd0a3d4b7dc8f72667
SHA51241722a09074a3a5c784929de0db61beada8000bde45d86fdd44b5025fd1a4965ae14db3e621d77cf01ee08230c4e62c52a46016a59964dd9ce2d244cc294ebf8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5399ae37d9a1f08eead0c57fc1f051da8
SHA1b82048686527a5ade7db31a6f6b012e1f35d55aa
SHA256d388acf98b40c662ad26370489a97b49385e1164cdf0096fc103cff12b0b2d4f
SHA512e67b2d3bc5c256be81766e045173917d84b0d6f087cb6038a8b3875ba82070cc2f7fa3a1097d2ac3f38831282746393cfb12273c5e0d322ace4906dc34634c4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5697459bcf8d50154e6d9cf2cb4ecf6eb
SHA11a467284cc96d1252661c4da4c347137051efe6d
SHA2566fca60d0a2c3840a773208386f57fde149e00c3bcb80cd59dd017db7075e73ce
SHA512fd10a825c432b8110e2793a7c925452aad0561792b32cfc21e0a5e3e8f53b007e8001afb80ad9cc41a3280c97ffc0a24cb987d4e9e7aa480254c8d32015eac8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52b6c506a0d50bbc75a9566947e926ec9
SHA167c5a1e7574b4017bf24c8e30d6e12458c3558ac
SHA2560d176367c76499ea776cb9ee7490411b5c82dcf6be206d5974a9c190688620ab
SHA5125da966d7d5527f00826bf964a6a746dd53048cd8e6e9c36321cacccb9412e262e022efd274ceed6f20562ea34a8f0b6c04d55115b437101cb37641a01e90339c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5bdb432543f611637075443c76423086c
SHA15d44c1791c6d40b55a83d80530e3dbff66db767f
SHA256f64f8ba0c94bc2924434fcf4e174b1897c4846a4ef771c64ce5611c1dc07c47f
SHA5126a6e14f6d35d962e37c009dbb9329ef4915c970a8f144d4e7980cdbbf87c2aff506b6309b4a2192c1f4c0cf076ec5d9f692b1c0a8f4b523ef90980806fc76dab
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Filesize
1.4MB
MD5c8547afa1600ea08f4b6c07eccf14fc3
SHA16b2772a83692fca0317e3c0b9afe3eef1c978079
SHA256bf75445061e32c8733fd4d6d46b6f386d083efe525658f6eb8f4e3164dd31822
SHA5128c7ce913d279fb8e03399455072c2a87b1ed898ed2e1464f2d8b4bd0a39ccb543e775f21fd228a29669abcb58f03e6b0d5b8928b05b30d25b44e92216066cdbe
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Filesize
1.4MB
MD549625ac40a34ae1839f287e30251580d
SHA1420a1eef9f57933518461f32300505eae025dc24
SHA256f4c72dd533d806e657317064d15a65cea8084aa1c25e1d4c4faca1542e813b4b
SHA5127540ebd4715d802322c604e46cd5b393822e3491c631281df1132e889fdfba6a4d74b348be57897d2d22cd8c3f3c4c0c36ef9ca4f2e9d2b773e34f434cb8b9a1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec