Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:55
Static task
static1
Behavioral task
behavioral1
Sample
5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe
Resource
win10v2004-20240508-en
General
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Target
5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe
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Size
4.1MB
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MD5
1cbb07b505f0cb647ca39dca7f214631
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SHA1
03c80955d44c6ebdbf3095ad00658aad803d50e0
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SHA256
5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce
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SHA512
ddee3126fa95b2d1654965c431d6260830ec63da35efa913f66b2165a5eecf05de752b769dac17a0f04266a43ef2373795f472ab2c664e42b3352e96585ae77f
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SSDEEP
98304:ZsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivG:Zs5hioeyE6OsERj43nB
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4520-2-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral1/memory/4520-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-57-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral1/memory/4520-54-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1612-134-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-219-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-236-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-247-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2028-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2428 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2028 csrss.exe 428 injector.exe 648 windefender.exe 2136 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341b-222.dat upx behavioral1/memory/648-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2136-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/648-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2136-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2136-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2256 sc.exe -
pid Process 4296 powershell.exe 1148 powershell.exe 4668 powershell.exe 1244 powershell.exe 492 powershell.exe 3568 powershell.exe 2920 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1328 schtasks.exe 1872 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.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\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight 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" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\@tzres.dll,-1972 = "Belarus 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" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4296 powershell.exe 4296 powershell.exe 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1148 powershell.exe 1148 powershell.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 4668 powershell.exe 4668 powershell.exe 1244 powershell.exe 1244 powershell.exe 492 powershell.exe 492 powershell.exe 3568 powershell.exe 3568 powershell.exe 2920 powershell.exe 2920 powershell.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 2028 csrss.exe 2028 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 2028 csrss.exe 2028 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 2028 csrss.exe 2028 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Token: SeImpersonatePrivilege 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 492 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeSystemEnvironmentPrivilege 2028 csrss.exe Token: SeSecurityPrivilege 2256 sc.exe Token: SeSecurityPrivilege 2256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4520 wrote to memory of 4296 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 85 PID 4520 wrote to memory of 4296 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 85 PID 4520 wrote to memory of 4296 4520 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 85 PID 1612 wrote to memory of 1148 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 96 PID 1612 wrote to memory of 1148 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 96 PID 1612 wrote to memory of 1148 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 96 PID 1612 wrote to memory of 4968 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 100 PID 1612 wrote to memory of 4968 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 100 PID 4968 wrote to memory of 2428 4968 cmd.exe 102 PID 4968 wrote to memory of 2428 4968 cmd.exe 102 PID 1612 wrote to memory of 4668 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 103 PID 1612 wrote to memory of 4668 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 103 PID 1612 wrote to memory of 4668 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 103 PID 1612 wrote to memory of 1244 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 106 PID 1612 wrote to memory of 1244 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 106 PID 1612 wrote to memory of 1244 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 106 PID 1612 wrote to memory of 2028 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 108 PID 1612 wrote to memory of 2028 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 108 PID 1612 wrote to memory of 2028 1612 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 108 PID 2028 wrote to memory of 492 2028 csrss.exe 109 PID 2028 wrote to memory of 492 2028 csrss.exe 109 PID 2028 wrote to memory of 492 2028 csrss.exe 109 PID 2028 wrote to memory of 3568 2028 csrss.exe 114 PID 2028 wrote to memory of 3568 2028 csrss.exe 114 PID 2028 wrote to memory of 3568 2028 csrss.exe 114 PID 2028 wrote to memory of 2920 2028 csrss.exe 117 PID 2028 wrote to memory of 2920 2028 csrss.exe 117 PID 2028 wrote to memory of 2920 2028 csrss.exe 117 PID 2028 wrote to memory of 428 2028 csrss.exe 119 PID 2028 wrote to memory of 428 2028 csrss.exe 119 PID 648 wrote to memory of 3208 648 windefender.exe 127 PID 648 wrote to memory of 3208 648 windefender.exe 127 PID 648 wrote to memory of 3208 648 windefender.exe 127 PID 3208 wrote to memory of 2256 3208 cmd.exe 128 PID 3208 wrote to memory of 2256 3208 cmd.exe 128 PID 3208 wrote to memory of 2256 3208 cmd.exe 128 -
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\5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe"C:\Users\Admin\AppData\Local\Temp\5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4296
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C:\Users\Admin\AppData\Local\Temp\5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe"C:\Users\Admin\AppData\Local\Temp\5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.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:1612 -
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:1148
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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:4968 -
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:2428
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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:4668
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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:1244
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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:2028 -
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:492
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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:1328
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1172
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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:3568
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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:2920
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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:428
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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:1872
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:648 -
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:3208 -
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:2256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2136
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510706a9cc74468216234370e6d9ee5a0
SHA1f6f64734ad71326c1c97b6cd437f1d8c6bc22783
SHA25679c8324e8b681f868391c4f84cf2e37c422502c8ec89f4209254d8eb00125254
SHA51204dfecc6df2ed462ab8027c459424096fb9e45021a34035b6596bc4990f9affe48e0675e0bd72de0affb0d40177535dda612cedf08ae808aa98f426311c8ea18
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a9b85902de1ce974607f471f244e59e
SHA1a2da992bd744d40e1ca2ae0616870ee314efdb56
SHA25622800bedeb5cf14d4997d9d6a2bdab5e269ec56b3ae0e6074438d4ba72b3fd8d
SHA512bb63d34991d7f231bca6f6e6a136312eef1eec40dbdc8f864e9a12fae1a9187944b64f0b9d6265f0c6da322a3b96a6a910a0f25f397f73fbbb6aa677fa10b0e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5448b02e1fcb579b3a87d44665e8e593c
SHA14471600ce8d914d58351a7bfeee89e984e29efa7
SHA256bc350932f4b95b198e8f777d80873f697afe055cf4b483cc3f519418a93b1db9
SHA512fdb2554a8b3cb3fb2d3d25bda527aa499b1d2501f60688624cf54a2fbe5a4a5a497b0a5f4eca9554e716ebbef6ad66259abc2f272dcc74194a33a7f1efa7f49f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ece04fa6b385964be70626efd86903f6
SHA1e2787ab113c20eb937721349c3e03f43b7c5883a
SHA256dce8559e05a8d33016a38bf72e417d65a99b4ff00f042bf1d104d6b5163ca7ee
SHA512a170e6ed80b685768cb3c5607732b2a51223a7d2ea0c7b9023fb56d1d6038b849913b15f902e5cd08cb3feab8e854c7bd0c5880f3702ebdfcc61fe85a1c880d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c7da483ac805a2d1d0d0597e9f6c34c
SHA14fbedff377236bbd3abf413b903674b542adb9a1
SHA2569b388919d221d6ff7f0128fe1357ef0960211cfae820f488543d349322116e27
SHA512b9644090d85615226dd55eb464d6bbb0a6128678e85659052a11ae4f2f5599e97d25558d52a3c16e1375e60c60eba98e2991a543b8abee9102705f28686d785d
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Filesize
4.1MB
MD51cbb07b505f0cb647ca39dca7f214631
SHA103c80955d44c6ebdbf3095ad00658aad803d50e0
SHA2565df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce
SHA512ddee3126fa95b2d1654965c431d6260830ec63da35efa913f66b2165a5eecf05de752b769dac17a0f04266a43ef2373795f472ab2c664e42b3352e96585ae77f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec