Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 09:32
Static task
static1
Behavioral task
behavioral1
Sample
0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe
Resource
win10v2004-20240426-en
General
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Target
0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe
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Size
4.1MB
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MD5
37e3663864a3bd9c17859297c5c2b7ec
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SHA1
1c88225d7ded66fceefa24ddfb5300ea074ab13f
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SHA256
0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a
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SHA512
862e5246de184d232d7fbb60fcd140f3b9f973b29ca3b7993028b8c7f9c0e3bf4350caa5e4a9b16b892cf55b9753c93d2725abf9541a782eaa76063856d407e3
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SSDEEP
98304:bMIwCeNIp7mrmH39JW0ckvUhqbUgu0QDk0l0y/C/U00fVU15PA9:bBwCmIp7Ci3XwSxbLu0E0yeIUT49
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3684-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral1/memory/3684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3684-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3684-94-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral1/memory/3684-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1940-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-189-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-252-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-256-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-260-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-264-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/1944-268-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1944 csrss.exe 3688 injector.exe 2676 windefender.exe 2276 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023399-224.dat upx behavioral1/memory/2676-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2676-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2276-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4636 sc.exe -
pid Process 3700 powershell.exe 2608 powershell.exe 4372 powershell.exe 4260 powershell.exe 3224 powershell.exe 640 powershell.exe 1484 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 3204 schtasks.exe 1972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight 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,-2182 = "Astrakhan Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.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" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-601 = "Taipei Daylight 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" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.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,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard 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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3700 powershell.exe 3700 powershell.exe 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 2608 powershell.exe 2608 powershell.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 4372 powershell.exe 4372 powershell.exe 4260 powershell.exe 4260 powershell.exe 3224 powershell.exe 3224 powershell.exe 640 powershell.exe 640 powershell.exe 1484 powershell.exe 1484 powershell.exe 1484 powershell.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 1944 csrss.exe 1944 csrss.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 1944 csrss.exe 1944 csrss.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 1944 csrss.exe 1944 csrss.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe 3688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Token: SeImpersonatePrivilege 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 3224 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeSystemEnvironmentPrivilege 1944 csrss.exe Token: SeSecurityPrivilege 4636 sc.exe Token: SeSecurityPrivilege 4636 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3684 wrote to memory of 3700 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 91 PID 3684 wrote to memory of 3700 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 91 PID 3684 wrote to memory of 3700 3684 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 91 PID 1940 wrote to memory of 2608 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 98 PID 1940 wrote to memory of 2608 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 98 PID 1940 wrote to memory of 2608 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 98 PID 1940 wrote to memory of 4584 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 100 PID 1940 wrote to memory of 4584 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 100 PID 4584 wrote to memory of 396 4584 cmd.exe 102 PID 4584 wrote to memory of 396 4584 cmd.exe 102 PID 1940 wrote to memory of 4372 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 103 PID 1940 wrote to memory of 4372 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 103 PID 1940 wrote to memory of 4372 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 103 PID 1940 wrote to memory of 4260 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 122 PID 1940 wrote to memory of 4260 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 122 PID 1940 wrote to memory of 4260 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 122 PID 1940 wrote to memory of 1944 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 107 PID 1940 wrote to memory of 1944 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 107 PID 1940 wrote to memory of 1944 1940 0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe 107 PID 1944 wrote to memory of 3224 1944 csrss.exe 108 PID 1944 wrote to memory of 3224 1944 csrss.exe 108 PID 1944 wrote to memory of 3224 1944 csrss.exe 108 PID 1944 wrote to memory of 640 1944 csrss.exe 114 PID 1944 wrote to memory of 640 1944 csrss.exe 114 PID 1944 wrote to memory of 640 1944 csrss.exe 114 PID 1944 wrote to memory of 1484 1944 csrss.exe 119 PID 1944 wrote to memory of 1484 1944 csrss.exe 119 PID 1944 wrote to memory of 1484 1944 csrss.exe 119 PID 1944 wrote to memory of 3688 1944 csrss.exe 121 PID 1944 wrote to memory of 3688 1944 csrss.exe 121 PID 2676 wrote to memory of 460 2676 windefender.exe 127 PID 2676 wrote to memory of 460 2676 windefender.exe 127 PID 2676 wrote to memory of 460 2676 windefender.exe 127 PID 460 wrote to memory of 4636 460 cmd.exe 128 PID 460 wrote to memory of 4636 460 cmd.exe 128 PID 460 wrote to memory of 4636 460 cmd.exe 128 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe"C:\Users\Admin\AppData\Local\Temp\0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700
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C:\Users\Admin\AppData\Local\Temp\0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.exe"C:\Users\Admin\AppData\Local\Temp\0d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a.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:1940 -
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:2608
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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:4584 -
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:396
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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:4372
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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:4260
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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:1944 -
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:3224
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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:3204
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1184
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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:640
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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:1484
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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:3688 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4260
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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:1972
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2676 -
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:460 -
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:4636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2276
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
MD598d541283bc6325edf729314faf7e7a5
SHA1311cb4c9be69fb74f190a969789a4bb0ace683ad
SHA25678ede021f760b7fb3fb0c1c02ad87b51302a11755e9c6a923fd0c01146efb0ec
SHA512cd683c409e757beb2d60a144fe9258b73ece7daff00e5c656b1896eeefe1fa4f9fcc3abaa210322c38150a37c72a51ecafe0ff05912a2deebfa7ba790c267d04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eab74582324b34ea7ef0b2bed5e3d30d
SHA1d8c38de0c12d92ef4054c5a1fd97f6aa7806f38d
SHA2566e1298a6bc328b4c603b830581561f9d69f13c550883c8ccada129dd269d01e0
SHA5123faf3329e08236cf103b07462c58b86ee8aad6ee30d959908bd2abb2456cf566e71cc7b0d4b2b6ffc86e0c6acf9997c666f30c407ac341e901a4c21f044c511b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5066a529e298014933035e95cc40b4116
SHA17d658a102e3f9a07dafca14c84b433a072ddfb06
SHA25683de25e2089882e9f0851bba0c5d3d8a9e096a4b2212894b69500adc78bbe311
SHA5124108398fe5a2bbd23aab48bba9a8b9d8629edc0d52f36849a423557727ce753c1c5f510c2ebf4072b1cc65266d3474c2482db8d96a8d87f35215a779554c81e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59267bd462268f4467b5cfca6457cb62d
SHA1c6189e3d689c47752686f9cebb941187d5c42878
SHA256c76a26b15190eb70de7fd002ee07f58b0b2833dd58be9b83ed0554bc908bfa75
SHA512232893e471c1682ffb31389c3818fa528b44a133e6a344a99d77f837340176a41b37f2100f53e934c2c1aeee9f63d5d6a84ae1e543833003273536af9300f1d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8b025940030b7900d1f8a4c966d6c91
SHA1bf0fe96a8541c55f948b300c09ce64e1b3d73f81
SHA256e9971580e7e5c9a64f28424032ab81decad0ebebb282cd3802e115933c28184d
SHA512c9818843f805dc81b498f5aa72d35e462454d2cb9fe4e3cdaadcb1b12e7676b44b788e0aa03e1f2e4e9af09b4e207a5648ba8c9121388709474d96a8192c777d
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Filesize
4.1MB
MD537e3663864a3bd9c17859297c5c2b7ec
SHA11c88225d7ded66fceefa24ddfb5300ea074ab13f
SHA2560d7c71a540c0ce2354badf951fc77069fb2b3d92d6f95ad2b31eeb6c0932845a
SHA512862e5246de184d232d7fbb60fcd140f3b9f973b29ca3b7993028b8c7f9c0e3bf4350caa5e4a9b16b892cf55b9753c93d2725abf9541a782eaa76063856d407e3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec