Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/2376-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/2376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2376-73-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2376-87-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/388-123-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2376-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4244-193-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-210-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-211-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-214-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-220-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-224-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4244-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4244 csrss.exe 4056 injector.exe 228 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002aa72-202.dat upx behavioral2/memory/228-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/228-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 opened for modification C:\Windows\rss 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4384 sc.exe -
pid Process 4612 powershell.exe 476 powershell.exe 2060 powershell.exe 2440 powershell.exe 1748 powershell.exe 3184 powershell.exe 4184 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 4380 schtasks.exe 1960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain 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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2440 powershell.exe 2440 powershell.exe 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 1748 powershell.exe 1748 powershell.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 3184 powershell.exe 3184 powershell.exe 4184 powershell.exe 4184 powershell.exe 4612 powershell.exe 4612 powershell.exe 476 powershell.exe 476 powershell.exe 2060 powershell.exe 2060 powershell.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4244 csrss.exe 4244 csrss.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4244 csrss.exe 4244 csrss.exe 4056 injector.exe 4056 injector.exe 4244 csrss.exe 4244 csrss.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2440 powershell.exe Token: SeDebugPrivilege 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Token: SeImpersonatePrivilege 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeDebugPrivilege 4612 powershell.exe Token: SeDebugPrivilege 476 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeSystemEnvironmentPrivilege 4244 csrss.exe Token: SeSecurityPrivilege 4384 sc.exe Token: SeSecurityPrivilege 4384 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2376 wrote to memory of 2440 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 81 PID 2376 wrote to memory of 2440 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 81 PID 2376 wrote to memory of 2440 2376 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 81 PID 388 wrote to memory of 1748 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 86 PID 388 wrote to memory of 1748 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 86 PID 388 wrote to memory of 1748 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 86 PID 388 wrote to memory of 1104 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 88 PID 388 wrote to memory of 1104 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 88 PID 1104 wrote to memory of 4408 1104 cmd.exe 90 PID 1104 wrote to memory of 4408 1104 cmd.exe 90 PID 388 wrote to memory of 3184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 91 PID 388 wrote to memory of 3184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 91 PID 388 wrote to memory of 3184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 91 PID 388 wrote to memory of 4184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 93 PID 388 wrote to memory of 4184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 93 PID 388 wrote to memory of 4184 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 93 PID 388 wrote to memory of 4244 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 95 PID 388 wrote to memory of 4244 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 95 PID 388 wrote to memory of 4244 388 5df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce.exe 95 PID 4244 wrote to memory of 4612 4244 csrss.exe 96 PID 4244 wrote to memory of 4612 4244 csrss.exe 96 PID 4244 wrote to memory of 4612 4244 csrss.exe 96 PID 4244 wrote to memory of 476 4244 csrss.exe 102 PID 4244 wrote to memory of 476 4244 csrss.exe 102 PID 4244 wrote to memory of 476 4244 csrss.exe 102 PID 4244 wrote to memory of 2060 4244 csrss.exe 104 PID 4244 wrote to memory of 2060 4244 csrss.exe 104 PID 4244 wrote to memory of 2060 4244 csrss.exe 104 PID 4244 wrote to memory of 4056 4244 csrss.exe 106 PID 4244 wrote to memory of 4056 4244 csrss.exe 106 PID 228 wrote to memory of 3212 228 windefender.exe 113 PID 228 wrote to memory of 3212 228 windefender.exe 113 PID 228 wrote to memory of 3212 228 windefender.exe 113 -
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:2376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2440
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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:388 -
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:1748
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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:1104 -
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:4408
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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:3184
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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:4184
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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:4244 -
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:4612
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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:4380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3728
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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:476
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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:2060
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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:4056
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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:1960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:228 -
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⤵PID:3212
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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:4384
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5540a7d0c2ad4c7145ee0b3c2ed79c431
SHA1b05cdd0721ff3fb24d08026e404e8953a7bcf26a
SHA256ee9db6dc45d349bbb2f5c7eba8f591901016b23f0a3d0db597dbd06b598d8516
SHA5121c08b5caa9263e4fc736655b683fbaf90b1177ffd4e61ab2a48c8ce577cff046ced1b21b4fd6ca1ff71e1ac4e93068c40573076db84a48511af5380fdccb8ae0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b284fff3a5d7c521a99ce703d5922c87
SHA1e01b017d531f2a10ee6062f4ff44af8389401382
SHA2560c9291f39c778d9de2d7b704d49578a7a9830dc7e2f4d50a95c4590c71e56760
SHA512b44c0357f58870c35c0ad52be78c777bb331322151830bb5768f6e696adcbe17542912354450a41995ec43be3cdfc055eac004ded9c0b1739eb95dd8da0e5dee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0110abb353704f9ab05568e10702bad
SHA1a6047975bfe5dc2bf8967bd10180eb1f86cd960d
SHA256e90a58c747fb7f79e23f0af34f3419555f14219bb5a9a1ecbb3950232b6d9ddd
SHA5126b1d15eff001be0fd65491cc3b338e00945d25e69ab28a0a355e42ae0bfe5703592beeb49f5daa53003ebd80b4a23c1f7a3e9aa5624357fb3828beff40192196
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5843734b0b2cf6ce10b1efcf3fc0aa23c
SHA116f58e6c2f3c49046ec3525774388c0d434a27e1
SHA256cfa8fae16afe73fc23b3fe4b2facd4da2d0b75c3213b07da7ec5f244230b06c7
SHA5128aa5555df776936d261cdf67caf5d10ce6914fa2bec54df425737e2dc1e00e7f246922d5a92165c8ee9fb63ee748fcc39088894bf75be8fb22ed7f64cbf02450
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD543350540cb904507c3790d18b2e9cf8f
SHA1b519e972628cf89e85eb52568c429302ce40b071
SHA256591dd0072d54346dcecbb6a0e273d9dc3ace42c021eea2afc2cb4d7dd604edc3
SHA512e23277b6a26fe9b95a1f8d54f18ecdcafeca3e52100bf7ea6ed73baca32d2be283c6bb95e21cbe8e92e496c43c75bea865ba18d8dfc03708ee1eca9bdcaf686f
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Filesize
4.1MB
MD51cbb07b505f0cb647ca39dca7f214631
SHA103c80955d44c6ebdbf3095ad00658aad803d50e0
SHA2565df2490552d457511b61f4fdbcf7285f505df3f9150d3149fd17a776672069ce
SHA512ddee3126fa95b2d1654965c431d6260830ec63da35efa913f66b2165a5eecf05de752b769dac17a0f04266a43ef2373795f472ab2c664e42b3352e96585ae77f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec