Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe
Resource
win10v2004-20240426-en
General
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Target
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe
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Size
4.1MB
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MD5
c2d738dbb2ea22bd1a6e537821a1129a
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SHA1
f129c21f544b41050f26bd54919a246cc0bbd0aa
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SHA256
d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6
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SHA512
1b05fbdae35a231ba0f389b31fa9d85baa574bf316b88f47faa184e4ada5126040c0fe1a505a856f5920201d715fde62d7b1d87d151fc2efc14cb248d869ba41
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SSDEEP
98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP6:wX++d2b0aMbplZO0sFfS6
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1224-2-0x0000000004A50000-0x000000000533B000-memory.dmp family_glupteba behavioral1/memory/1224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1224-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1224-58-0x0000000004A50000-0x000000000533B000-memory.dmp family_glupteba behavioral1/memory/1224-55-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/920-137-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-251-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-254-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-257-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-259-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5000-263-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4864 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5000 csrss.exe 2776 injector.exe 3848 windefender.exe 3340 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000234c0-226.dat upx behavioral1/memory/3848-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3848-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3340-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3340-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3340-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe File created C:\Windows\rss\csrss.exe d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.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 3168 sc.exe -
pid Process 2644 powershell.exe 1624 powershell.exe 3860 powershell.exe 2276 powershell.exe 1692 powershell.exe 4464 powershell.exe 3396 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 1740 schtasks.exe 4380 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America 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\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@tzres.dll,-361 = "GTB Daylight 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\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3396 powershell.exe 3396 powershell.exe 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 2644 powershell.exe 2644 powershell.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 1624 powershell.exe 1624 powershell.exe 3860 powershell.exe 3860 powershell.exe 2276 powershell.exe 2276 powershell.exe 1692 powershell.exe 1692 powershell.exe 4464 powershell.exe 4464 powershell.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 5000 csrss.exe 5000 csrss.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 5000 csrss.exe 5000 csrss.exe 2776 injector.exe 2776 injector.exe 5000 csrss.exe 5000 csrss.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe 2776 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Token: SeImpersonatePrivilege 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 3860 powershell.exe Token: SeDebugPrivilege 2276 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeSystemEnvironmentPrivilege 5000 csrss.exe Token: SeSecurityPrivilege 3168 sc.exe Token: SeSecurityPrivilege 3168 sc.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 1224 wrote to memory of 3396 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 85 PID 1224 wrote to memory of 3396 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 85 PID 1224 wrote to memory of 3396 1224 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 85 PID 920 wrote to memory of 2644 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 95 PID 920 wrote to memory of 2644 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 95 PID 920 wrote to memory of 2644 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 95 PID 920 wrote to memory of 1432 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 101 PID 920 wrote to memory of 1432 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 101 PID 920 wrote to memory of 1624 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 104 PID 920 wrote to memory of 1624 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 104 PID 920 wrote to memory of 1624 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 104 PID 920 wrote to memory of 3860 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 106 PID 920 wrote to memory of 3860 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 106 PID 920 wrote to memory of 3860 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 106 PID 920 wrote to memory of 5000 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 108 PID 920 wrote to memory of 5000 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 108 PID 920 wrote to memory of 5000 920 d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe 108 PID 5000 wrote to memory of 2276 5000 csrss.exe 109 PID 5000 wrote to memory of 2276 5000 csrss.exe 109 PID 5000 wrote to memory of 2276 5000 csrss.exe 109 PID 5000 wrote to memory of 1692 5000 csrss.exe 115 PID 5000 wrote to memory of 1692 5000 csrss.exe 115 PID 5000 wrote to memory of 1692 5000 csrss.exe 115 PID 5000 wrote to memory of 4464 5000 csrss.exe 117 PID 5000 wrote to memory of 4464 5000 csrss.exe 117 PID 5000 wrote to memory of 4464 5000 csrss.exe 117 PID 5000 wrote to memory of 2776 5000 csrss.exe 120 PID 5000 wrote to memory of 2776 5000 csrss.exe 120 PID 3848 wrote to memory of 2568 3848 windefender.exe 126 PID 3848 wrote to memory of 2568 3848 windefender.exe 126 PID 3848 wrote to memory of 2568 3848 windefender.exe 126 PID 2568 wrote to memory of 3168 2568 cmd.exe 127 PID 2568 wrote to memory of 3168 2568 cmd.exe 127 PID 2568 wrote to memory of 3168 2568 cmd.exe 127 -
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\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396
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C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.exe"C:\Users\Admin\AppData\Local\Temp\d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6.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:920 -
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:2644
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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⤵PID:1432
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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:4864
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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:1624
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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:3860
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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:5000 -
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:2276
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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:1740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2976
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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:1692
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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:4464
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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:2776
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3848 -
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:2568 -
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:3168
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3340
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
MD5a999e6898ea69111b2abf6e1fbc26e6f
SHA17349665ca73a54d4534811810a3711242be074eb
SHA25691dccfb5dfe2d2920b9c7f6c180a54a8ae367958d777328bec04675e9bede5ed
SHA5121fc52955489fffc3cec139e3ec8509c23ab41f3327c27b309f20cb1b9bda1dd6ea2591e5320fdcac43fe2152d956f7cb5afd5771d6addc7580a16a65b09da82b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8643795364400176825b97a2df66cdf
SHA1f060e94507da31ed00367c8e948ae5f1b9b547aa
SHA2564f1623361b5bbc6bf73d6dd0bf8bddafc40be837b9269adbb9e9a2b67638b267
SHA512f831f9bec46806e532af1c4e074f66fe16e41c8f2624be9f2e544dc42ff7d8a6fbd0e0375f5b87d5dd38c43404aee15419646dc1dbee9b69c279ca05a5686bef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed9c2a1a879edfe0b9d50ca59779e82b
SHA1da40535a4fdcf3996ab6005d71d3c8b9d62c5113
SHA2560de7ddcb2ae1b005614b823d3fe44d91a984d354cadd55a1de839a04281a65dd
SHA512a51fa7fb43fe3447a2c1de36dadd986788bb9f9fc14ad000dc0504788352d5b745226e2716379bb7f789f13bcf06e12370959b83592fc9bb2313aa24bb35fd6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f2af423ce299c6a62c46799c4e73c54
SHA1a83bf3e8995de54410cbbdaa54142a540df077c0
SHA2562bcc8e1354d759be0b3a7c4fd574dde75b10c38241c55cf405048f2bba056bc0
SHA5121183aa2fa421e36564c4650162e41bdb71851845091f9605cd5476f6a353dd8a8b44997f3bb04c8f68c8889112c6214c8f62e220fb234a9c47041f578f454f96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd84b60735001531318fb7b0f8cdd49f
SHA1981a906d9aa5aee0c74b977edce3db88ff876010
SHA256cf4ced475afe36d04178252a38892a310a4d96f9ad12b37d2375ed811bfd342e
SHA512ad1a0f4416890bba6707cd9b0f4d23899dfe77ffa6a992a224a93114ee5e74a2296dc8a59693c4bcc8c05c8c4d8c49b6980f6fb69c16e55fc129c643648af4e2
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Filesize
4.1MB
MD5c2d738dbb2ea22bd1a6e537821a1129a
SHA1f129c21f544b41050f26bd54919a246cc0bbd0aa
SHA256d8fb4efbde79572e48ee5ff1cabf5e8f7f4def3d34ae471b817c3affc17043f6
SHA5121b05fbdae35a231ba0f389b31fa9d85baa574bf316b88f47faa184e4ada5126040c0fe1a505a856f5920201d715fde62d7b1d87d151fc2efc14cb248d869ba41
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec