Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:50
Static task
static1
Behavioral task
behavioral1
Sample
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe
Resource
win10v2004-20240412-en
General
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Target
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe
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Size
4.2MB
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MD5
023ea389fb407cce860591b18922fd70
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SHA1
b3b3660a698797ae56646fb3e00e4d4e9b86fcb8
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SHA256
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9
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SHA512
c107c961850c2ad4e020e046dc301b346dc5ac5099b93cc372c10530085fb87558084e1aba256ba8c33f80f95a64769de56e8a856a86fc39c68a120323114197
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG2:XdVQtLoTZDg5GO9Bqlcu
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4212-2-0x0000000004270000-0x0000000004B5B000-memory.dmp family_glupteba behavioral2/memory/4212-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4212-52-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3040-54-0x00000000040C0000-0x00000000049AB000-memory.dmp family_glupteba behavioral2/memory/3040-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3040-126-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3040-145-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-242-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2324-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2324 csrss.exe 2152 injector.exe 1564 windefender.exe 384 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa14-246.dat upx behavioral2/memory/1564-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe File created C:\Windows\rss\csrss.exe 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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 4760 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4560 4212 WerFault.exe 77 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3132 schtasks.exe 4108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4388 powershell.exe 4388 powershell.exe 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 1592 powershell.exe 1592 powershell.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 1104 powershell.exe 1104 powershell.exe 380 powershell.exe 380 powershell.exe 4020 powershell.exe 4020 powershell.exe 1444 powershell.exe 1444 powershell.exe 1952 powershell.exe 1952 powershell.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2324 csrss.exe 2324 csrss.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2324 csrss.exe 2324 csrss.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2324 csrss.exe 2324 csrss.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe 2152 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Token: SeImpersonatePrivilege 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 1104 powershell.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeSystemEnvironmentPrivilege 2324 csrss.exe Token: SeSecurityPrivilege 4760 sc.exe Token: SeSecurityPrivilege 4760 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4212 wrote to memory of 4388 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 80 PID 4212 wrote to memory of 4388 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 80 PID 4212 wrote to memory of 4388 4212 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 80 PID 3040 wrote to memory of 1592 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 89 PID 3040 wrote to memory of 1592 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 89 PID 3040 wrote to memory of 1592 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 89 PID 3040 wrote to memory of 5112 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 112 PID 3040 wrote to memory of 5112 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 112 PID 5112 wrote to memory of 3916 5112 cmd.exe 93 PID 5112 wrote to memory of 3916 5112 cmd.exe 93 PID 3040 wrote to memory of 1104 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 94 PID 3040 wrote to memory of 1104 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 94 PID 3040 wrote to memory of 1104 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 94 PID 3040 wrote to memory of 380 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 96 PID 3040 wrote to memory of 380 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 96 PID 3040 wrote to memory of 380 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 96 PID 3040 wrote to memory of 2324 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 98 PID 3040 wrote to memory of 2324 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 98 PID 3040 wrote to memory of 2324 3040 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 98 PID 2324 wrote to memory of 4020 2324 csrss.exe 99 PID 2324 wrote to memory of 4020 2324 csrss.exe 99 PID 2324 wrote to memory of 4020 2324 csrss.exe 99 PID 2324 wrote to memory of 1444 2324 csrss.exe 105 PID 2324 wrote to memory of 1444 2324 csrss.exe 105 PID 2324 wrote to memory of 1444 2324 csrss.exe 105 PID 2324 wrote to memory of 1952 2324 csrss.exe 107 PID 2324 wrote to memory of 1952 2324 csrss.exe 107 PID 2324 wrote to memory of 1952 2324 csrss.exe 107 PID 2324 wrote to memory of 2152 2324 csrss.exe 109 PID 2324 wrote to memory of 2152 2324 csrss.exe 109 PID 1564 wrote to memory of 3188 1564 windefender.exe 115 PID 1564 wrote to memory of 3188 1564 windefender.exe 115 PID 1564 wrote to memory of 3188 1564 windefender.exe 115 PID 3188 wrote to memory of 4760 3188 cmd.exe 116 PID 3188 wrote to memory of 4760 3188 cmd.exe 116 PID 3188 wrote to memory of 4760 3188 cmd.exe 116 -
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\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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:3040 -
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:1592
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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:5112 -
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:3916
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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:1104
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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:380
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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:2324 -
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:4020
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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:3132
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1664
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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:1444
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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:1952
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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:2152
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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:4108 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:5112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1564 -
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:3188 -
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:4760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 9402⤵
- Program crash
PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4212 -ip 42121⤵PID:1064
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:384
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
MD5dc3549c6cdcecb4912b5cfb2c0d1412d
SHA1d6df98f1e9dd819653878d07d61efc39625b27bb
SHA2560ead9d89536907737e141e1fe9a08a277f81ff455c79eb36618592a9b641a973
SHA512e12a4bc56c934c22c00f9695fc58ed4f8b2358ae2826aff559e2664301e64bf904688fa579945ecf8d2a0f68251c32109b89b4e82ac4cc74c8126ebe5202840c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522a2f2980f3aeee87b292de552f5da87
SHA1655baead094b5fdb3adb75965750bf80d720cd97
SHA2561696772523b50bad61946c942d3ae04f7241a5e05a22794166bd827276b5ca55
SHA5121fc533c0f99acfc31f91a786f227f706829749b4c87a6c630b9071c6e3ff1c12c8bd7c0f3b4c46d76ac78ed76b2bac09ec6fae493492699c7ad1aed02b5f3afe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5492ff89ba8ab8e9b29e7711ce144139c
SHA13b437d833f0c168aa0d4a964958cc4feea2ad722
SHA256b214893641120189b0bd0b1bdb6cfca5cd7358be6fec82ae8ff69aa35ed28c72
SHA5124701f2b2788ace7418da92a8913448dffbb29decfbd99650edded7ca7e3c189f8b11d7d4ad4db332b7f62d0bfe7e3bb907276d7278325ca82b55038f1514726b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d35401d36eab9b2b57f969c187127c0
SHA1801fe02939d86a3e81f8bacd0ed6b28e5b5f6e80
SHA25659ffc8ea116ed5d620f67d6ce55bb8373cb331b76bc37cce9ca78bd753df22c8
SHA51265f87da474c7f431363f6992b5814c1803dac01a94d20d4500197a6a00865166449026d6de6a84eee015959887e5cb3346fe8614d1ad3dc2e327faa9b886aa55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9250d8b180484735d3cc9fb7f3520d5
SHA1041cb6e3e614e0ebfec57c9ce218ffb81fcc73e0
SHA2560cb3d5b508f242f89d12c3648d327f07d48a7e6efab7054c0c2c01d01979e7a2
SHA512ac17289fa079b8c5bc329fda58a96d8aaba2a8b24a7604acba08303df584aee43b943074c4a08526bdf0d0606a9951dd97c24583e9b8d6b69c1ebd111e148c3a
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Filesize
4.2MB
MD5023ea389fb407cce860591b18922fd70
SHA1b3b3660a698797ae56646fb3e00e4d4e9b86fcb8
SHA2562ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9
SHA512c107c961850c2ad4e020e046dc301b346dc5ac5099b93cc372c10530085fb87558084e1aba256ba8c33f80f95a64769de56e8a856a86fc39c68a120323114197
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec