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Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21/04/2024, 20:43
Static task
static1
Behavioral task
behavioral1
Sample
f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe
Resource
win10v2004-20240412-en
General
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Target
f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe
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Size
4.1MB
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MD5
a3fd1b72845b44749b1965a388d91efe
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SHA1
711b273ce038c462f9bc8138eabb18f07ae7b4a0
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SHA256
f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd
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SHA512
c12b3522abd9c669d74da52496acccb3098f40b31387d79e47a7679980bc7ec00e76b86d44b5a39f40737e1f8a3f8788c541eb42bf6d1f0fecc4be5ddb11feb7
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SSDEEP
98304:gwsyYpLI30hNm0X97sfQhuFOzbEeYixTYaktM3XAOoYGnm0lEN:mllzc0tsfv+41ixUfgAfRVe
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4460-2-0x0000000006550000-0x0000000006E3B000-memory.dmp family_glupteba behavioral1/memory/2168-55-0x00000000064D0000-0x0000000006DBB000-memory.dmp family_glupteba behavioral1/memory/4460-70-0x0000000006550000-0x0000000006E3B000-memory.dmp family_glupteba behavioral1/memory/4460-107-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/2168-170-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-256-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-267-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-271-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-275-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-279-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-283-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-287-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-291-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-295-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-299-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-303-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba behavioral1/memory/4328-307-0x0000000000400000-0x0000000004417000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2236 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4328 csrss.exe 4920 injector.exe 1208 windefender.exe 3144 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002340f-260.dat upx behavioral1/memory/1208-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3144-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3144-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe File created C:\Windows\rss\csrss.exe f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe File created 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 2776 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 344 schtasks.exe 212 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.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" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5056 powershell.exe 5056 powershell.exe 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2256 powershell.exe 2256 powershell.exe 2256 powershell.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 1648 powershell.exe 1648 powershell.exe 1648 powershell.exe 4008 powershell.exe 4008 powershell.exe 4008 powershell.exe 3796 powershell.exe 3796 powershell.exe 3796 powershell.exe 528 powershell.exe 528 powershell.exe 528 powershell.exe 2028 powershell.exe 2028 powershell.exe 2028 powershell.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4328 csrss.exe 4328 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4328 csrss.exe 4328 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4328 csrss.exe 4328 csrss.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe 4920 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Token: SeImpersonatePrivilege 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeSystemEnvironmentPrivilege 4328 csrss.exe Token: SeSecurityPrivilege 2776 sc.exe Token: SeSecurityPrivilege 2776 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4460 wrote to memory of 5056 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 88 PID 4460 wrote to memory of 5056 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 88 PID 4460 wrote to memory of 5056 4460 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 88 PID 2168 wrote to memory of 2256 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 101 PID 2168 wrote to memory of 2256 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 101 PID 2168 wrote to memory of 2256 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 101 PID 2168 wrote to memory of 3324 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 105 PID 2168 wrote to memory of 3324 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 105 PID 3324 wrote to memory of 2236 3324 cmd.exe 107 PID 3324 wrote to memory of 2236 3324 cmd.exe 107 PID 2168 wrote to memory of 1648 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 108 PID 2168 wrote to memory of 1648 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 108 PID 2168 wrote to memory of 1648 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 108 PID 2168 wrote to memory of 4008 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 111 PID 2168 wrote to memory of 4008 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 111 PID 2168 wrote to memory of 4008 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 111 PID 2168 wrote to memory of 4328 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 113 PID 2168 wrote to memory of 4328 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 113 PID 2168 wrote to memory of 4328 2168 f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe 113 PID 4328 wrote to memory of 3796 4328 csrss.exe 114 PID 4328 wrote to memory of 3796 4328 csrss.exe 114 PID 4328 wrote to memory of 3796 4328 csrss.exe 114 PID 4328 wrote to memory of 528 4328 csrss.exe 120 PID 4328 wrote to memory of 528 4328 csrss.exe 120 PID 4328 wrote to memory of 528 4328 csrss.exe 120 PID 4328 wrote to memory of 2028 4328 csrss.exe 122 PID 4328 wrote to memory of 2028 4328 csrss.exe 122 PID 4328 wrote to memory of 2028 4328 csrss.exe 122 PID 4328 wrote to memory of 4920 4328 csrss.exe 124 PID 4328 wrote to memory of 4920 4328 csrss.exe 124 PID 1208 wrote to memory of 860 1208 windefender.exe 131 PID 1208 wrote to memory of 860 1208 windefender.exe 131 PID 1208 wrote to memory of 860 1208 windefender.exe 131 PID 860 wrote to memory of 2776 860 cmd.exe 132 PID 860 wrote to memory of 2776 860 cmd.exe 132 PID 860 wrote to memory of 2776 860 cmd.exe 132 -
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\f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe"C:\Users\Admin\AppData\Local\Temp\f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056
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C:\Users\Admin\AppData\Local\Temp\f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.exe"C:\Users\Admin\AppData\Local\Temp\f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd.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:2168 -
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:2256
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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:3324 -
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:2236
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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:1648
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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:4008
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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:4328 -
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:3796
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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:344
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2808
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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:528
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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:2028
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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:4920
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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:212
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1208 -
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:860 -
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:2776
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3144
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD575bf376282a6ee937d0705d8d4b50f87
SHA16f38eae8395630cfc0081ae281ad5b76d2ac6959
SHA2565c115ce47d0a50ed45b876e26963ad708879375b83c6270f7f668a52eed07d16
SHA5122af0b88b619dfe69ed9cb83041461cd8c97012b1e7bd62fef6af4ca9c55601e2b8cffb5353740bdead31bb7f6c61a27443c2d99f5ddd65bb01457db2c6dcd16e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5573a1fa661ecca9939c2d92dfe7a07be
SHA148599b0ff042a3195c617b3f7894724ec0f1aa85
SHA25689606cf0c31bcf22095e3dc94e2e5423d4be9bc71c7cd68e5fd4b20f4103b780
SHA5124e15a7a43142d576f7a8e898696ca7763a134c53efdbe51ac00b8f632e9cb44b305d8189b4956a6c723dfdef2d7caeffddc69aeb83874c4970d380253847e2e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507bcf9f2d940edde666125aa8ada42ef
SHA1b26f1002da4758cfd1d857edec62e40e048078f1
SHA256d33c7f6b863383e85386741424ec36c2ce016fa43ca903d8446c5efc97c12bd5
SHA512fb1f7cc8a45ef0f7edb2d817bd60bd6eb37d4e8a4a5e36dadd7ed209a1c617563a1e206ee53ae0a22ab2a1f471aa62c27b58e8b1d48adb176e6480729725df0e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc126620ad35af2166c92844cc5a64fe
SHA17b83bd4ffcd9b0761f3efcf336125fa32fce448f
SHA256866a6d84cf21ae3e706f7ecf8cf219516d44092e1737cea593ad4c5e61d77b7a
SHA5123ef4c34ec30daad158c178df3d2e25890f553f12d45a3dd34dadae18dc541a03999a1f0d37741e63a3148fe4b3edde15a95fccbfc52309c7b884fd20046b11fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5478f8c9eeaa0ebb41a3cf359cb33efc9
SHA1e9e3c8f73505cf9012628fc2f62df87fee7e8f35
SHA256d0ebcb73aa28e08e3bc40e0c14b3ff6dce2fabb1bf472908a5911e9a1d915e1f
SHA512c7aab0a390d4dd1a7ede2e49dcfd28897bf58bc3a234c9dcedf5fd473594e12dd8995aefb54b26e4288382da54d4ee48538b9b805b07a47b82abab41f3e0b6eb
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Filesize
4.1MB
MD5a3fd1b72845b44749b1965a388d91efe
SHA1711b273ce038c462f9bc8138eabb18f07ae7b4a0
SHA256f4e4b26568fe1e57bc24f9419571c39494c28e613b196a87a5a90d4f27ff5edd
SHA512c12b3522abd9c669d74da52496acccb3098f40b31387d79e47a7679980bc7ec00e76b86d44b5a39f40737e1f8a3f8788c541eb42bf6d1f0fecc4be5ddb11feb7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec