Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe
Resource
win10v2004-20240508-en
General
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Target
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe
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Size
4.1MB
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MD5
cfd07b9cd4a95813076c3c914028a4e5
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SHA1
4ba8f87c3289a6a2e42bd6ef63c1565a5fe18362
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SHA256
d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977
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SHA512
8380426cf3fc4167dec1ea2513aeb7664adeb99052b5ee0739d02c6600474017c793dc18761b4e15e695b1dadc40a275f88907381e75b461d720310c0b03dbae
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SSDEEP
98304:M4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNu:M4G/GRAB9MdaGBolx/WzuY
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/976-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral1/memory/976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/976-26-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/976-57-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral1/memory/976-58-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/976-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3792-86-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3792-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-163-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4280-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1080 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4280 csrss.exe 4424 injector.exe 1408 windefender.exe 1168 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023405-225.dat upx behavioral1/memory/1408-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1408-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe File created C:\Windows\rss\csrss.exe d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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 4932 sc.exe -
pid Process 2040 powershell.exe 4536 powershell.exe 4872 powershell.exe 4100 powershell.exe 4668 powershell.exe 1380 powershell.exe 4924 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 736 schtasks.exe 1576 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4668 powershell.exe 4668 powershell.exe 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 1380 powershell.exe 1380 powershell.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 4924 powershell.exe 4924 powershell.exe 2040 powershell.exe 2040 powershell.exe 4536 powershell.exe 4536 powershell.exe 4872 powershell.exe 4872 powershell.exe 4100 powershell.exe 4100 powershell.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4280 csrss.exe 4280 csrss.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4280 csrss.exe 4280 csrss.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4280 csrss.exe 4280 csrss.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe 4424 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Token: SeImpersonatePrivilege 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 4100 powershell.exe Token: SeSystemEnvironmentPrivilege 4280 csrss.exe Token: SeSecurityPrivilege 4932 sc.exe Token: SeSecurityPrivilege 4932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 976 wrote to memory of 4668 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 88 PID 976 wrote to memory of 4668 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 88 PID 976 wrote to memory of 4668 976 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 88 PID 3792 wrote to memory of 1380 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 93 PID 3792 wrote to memory of 1380 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 93 PID 3792 wrote to memory of 1380 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 93 PID 3792 wrote to memory of 3192 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 95 PID 3792 wrote to memory of 3192 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 95 PID 3192 wrote to memory of 1080 3192 cmd.exe 97 PID 3192 wrote to memory of 1080 3192 cmd.exe 97 PID 3792 wrote to memory of 4924 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 98 PID 3792 wrote to memory of 4924 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 98 PID 3792 wrote to memory of 4924 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 98 PID 3792 wrote to memory of 2040 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 101 PID 3792 wrote to memory of 2040 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 101 PID 3792 wrote to memory of 2040 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 101 PID 3792 wrote to memory of 4280 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 103 PID 3792 wrote to memory of 4280 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 103 PID 3792 wrote to memory of 4280 3792 d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe 103 PID 4280 wrote to memory of 4536 4280 csrss.exe 105 PID 4280 wrote to memory of 4536 4280 csrss.exe 105 PID 4280 wrote to memory of 4536 4280 csrss.exe 105 PID 4280 wrote to memory of 4872 4280 csrss.exe 111 PID 4280 wrote to memory of 4872 4280 csrss.exe 111 PID 4280 wrote to memory of 4872 4280 csrss.exe 111 PID 4280 wrote to memory of 4100 4280 csrss.exe 113 PID 4280 wrote to memory of 4100 4280 csrss.exe 113 PID 4280 wrote to memory of 4100 4280 csrss.exe 113 PID 4280 wrote to memory of 4424 4280 csrss.exe 115 PID 4280 wrote to memory of 4424 4280 csrss.exe 115 PID 1408 wrote to memory of 540 1408 windefender.exe 121 PID 1408 wrote to memory of 540 1408 windefender.exe 121 PID 1408 wrote to memory of 540 1408 windefender.exe 121 PID 540 wrote to memory of 4932 540 cmd.exe 122 PID 540 wrote to memory of 4932 540 cmd.exe 122 PID 540 wrote to memory of 4932 540 cmd.exe 122 -
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\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.exe"C:\Users\Admin\AppData\Local\Temp\d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977.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:3792 -
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:1380
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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:3192 -
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:1080
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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:4924
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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:2040
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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:4280 -
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:4536
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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:736
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:840
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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:4872
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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:4100
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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:4424
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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:1576
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1408 -
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:540 -
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:4932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1168
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
MD5b607661a1d635359c4b94a6807ebc9df
SHA172f40af75b53a46a1a21cbaf56ea03cb90805f78
SHA25642662da3339d836d68131293f87be91e7ffbc7106193b705f7acd922b0262467
SHA51256ab5ce7fa101bb1f5508a3fad2e45faf45c8b1741e52a1499f7b33000e6a7e21462fc68ef64add779294f8fff62b0025bb3feb31dab4d8c04041980c4b27974
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4c090fb8a69bedc35ba09a86319d76e
SHA1e415ed6e5502255ca12e19868dad1f578f80eec6
SHA25663693f60a9852eccbb7a9f9fa43ab7d2b94311488e531c3ddfd1648254b2e980
SHA51258a7fff12cae3833f475c611cb0bb5e72d9d56abe96f4c0dac75ca89b87ec87ad713380cb4059c8c847f28e8a3f97d27a7377bec450ccbc3b02b1565536c08c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7f5b9844b349713cab62d70558a92ac
SHA19bd0a96265218bf4b489edcc16e02867464ac776
SHA2568605e0875cbac50b3d726480aeee5ae8c7ce3f5c3d74d8f2cf378ef0a3e9cc0b
SHA51203acaff810b2fb863c8b8c0b6c7193c8fad3837451efb9927a9ab93b2fee43f5ab1bc86bdc350fbac959b4b011427b7b1dea7d15e70dc953fec2fe28ac698898
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553c3e740beed975c86b1f71440ee3724
SHA18e69d0d46c3e59d54ea5717fd97d3ed1d4660dae
SHA256ff9f25928ba9904e8c2e865cacad9c6915e7dc447e9ac40366a4e54bf1712070
SHA5122246d6d6e809e3ebce83750ddc32db0e0ec773b76a37b4b2a08d96d317b7afc13338772f9f806483eaf719c31faddca4c11731d6cdf4c8b420c91fdd8691630d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5b97daa14d8ebc89f5a22a738e70030
SHA142987a9f44a84481e831e3064291456fe9233990
SHA256e24327000624fd54a65a0c76c7c1447d121ed39e5347fdee2889d145fbea2394
SHA512d79db3e83dd074f7712a5853cc07d14b6aefb3f2f7cc987f7a7c63d4a8bc06c91bb634de9b1b4c9b25b30b5d2f87897e644af30ffc14b3ff1f7079f8b32e5808
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Filesize
4.1MB
MD5cfd07b9cd4a95813076c3c914028a4e5
SHA14ba8f87c3289a6a2e42bd6ef63c1565a5fe18362
SHA256d5176d11489ddd8aaa01ca8af810475a0d829d3ce6ecd57efa594790a97e4977
SHA5128380426cf3fc4167dec1ea2513aeb7664adeb99052b5ee0739d02c6600474017c793dc18761b4e15e695b1dadc40a275f88907381e75b461d720310c0b03dbae
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec