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Resubmissions
13/05/2024, 15:38
240513-s2167adc57 1013/05/2024, 15:36
240513-s154racd21 1013/05/2024, 15:30
240513-sxpbtsda56 10Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
13/05/2024, 15:30
Static task
static1
Behavioral task
behavioral1
Sample
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe
Resource
win10v2004-20240508-en
General
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Target
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe
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Size
4.1MB
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MD5
50bbd3c0a763696169eb0184a0a32f58
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SHA1
4bf461d04e9538bfa6919e4c29dc9f60d3f5a6fb
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SHA256
0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4
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SHA512
707112015a46b1de809ce7f94fe26a4bf540e2497b34ee842b7a9fcd65579d1fddc4552948474aef65bd2b36a4a4ca4e9e672631e786ad54fa8a2b08f5e89ca2
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SSDEEP
98304:qqeWAqoT6kF3ZRjNKldXZ1XKZ5aruiiHpO3KKmm2RpBtpL4ErOUAYu0:qSA3Ttj6piarhiJO6KmjFV4s/B3
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3132-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral2/memory/3132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3132-52-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3132-54-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral2/memory/3132-102-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3396-101-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3396-128-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-164-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-205-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2120-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 416 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2120 csrss.exe 2224 injector.exe 3552 windefender.exe 4864 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0f-208.dat upx behavioral2/memory/3552-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4864-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3552-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4864-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4864-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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\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 File created 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 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe File created C:\Windows\rss\csrss.exe 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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 3856 sc.exe -
pid Process 4600 powershell.exe 4572 powershell.exe 3068 powershell.exe 4820 powershell.exe 4180 powershell.exe 1912 powershell.exe 3516 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 3428 schtasks.exe 1036 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,-722 = "Central Pacific Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard 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" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4820 powershell.exe 4820 powershell.exe 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 4180 powershell.exe 4180 powershell.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 1912 powershell.exe 1912 powershell.exe 3516 powershell.exe 3516 powershell.exe 4600 powershell.exe 4600 powershell.exe 4572 powershell.exe 4572 powershell.exe 3068 powershell.exe 3068 powershell.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2120 csrss.exe 2120 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2120 csrss.exe 2120 csrss.exe 2224 injector.exe 2224 injector.exe 2120 csrss.exe 2120 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4820 powershell.exe Token: SeDebugPrivilege 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeImpersonatePrivilege 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 3068 powershell.exe Token: SeSystemEnvironmentPrivilege 2120 csrss.exe Token: SeSecurityPrivilege 3856 sc.exe Token: SeSecurityPrivilege 3856 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3132 wrote to memory of 4820 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 83 PID 3132 wrote to memory of 4820 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 83 PID 3132 wrote to memory of 4820 3132 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 83 PID 3396 wrote to memory of 4180 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 88 PID 3396 wrote to memory of 4180 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 88 PID 3396 wrote to memory of 4180 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 88 PID 3396 wrote to memory of 4176 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 90 PID 3396 wrote to memory of 4176 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 90 PID 4176 wrote to memory of 416 4176 cmd.exe 92 PID 4176 wrote to memory of 416 4176 cmd.exe 92 PID 3396 wrote to memory of 1912 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3396 wrote to memory of 1912 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3396 wrote to memory of 1912 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 93 PID 3396 wrote to memory of 3516 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 95 PID 3396 wrote to memory of 3516 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 95 PID 3396 wrote to memory of 3516 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 95 PID 3396 wrote to memory of 2120 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 3396 wrote to memory of 2120 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 3396 wrote to memory of 2120 3396 0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe 97 PID 2120 wrote to memory of 4600 2120 csrss.exe 98 PID 2120 wrote to memory of 4600 2120 csrss.exe 98 PID 2120 wrote to memory of 4600 2120 csrss.exe 98 PID 2120 wrote to memory of 4572 2120 csrss.exe 104 PID 2120 wrote to memory of 4572 2120 csrss.exe 104 PID 2120 wrote to memory of 4572 2120 csrss.exe 104 PID 2120 wrote to memory of 3068 2120 csrss.exe 106 PID 2120 wrote to memory of 3068 2120 csrss.exe 106 PID 2120 wrote to memory of 3068 2120 csrss.exe 106 PID 2120 wrote to memory of 2224 2120 csrss.exe 108 PID 2120 wrote to memory of 2224 2120 csrss.exe 108 PID 3552 wrote to memory of 4212 3552 windefender.exe 114 PID 3552 wrote to memory of 4212 3552 windefender.exe 114 PID 3552 wrote to memory of 4212 3552 windefender.exe 114 PID 4212 wrote to memory of 3856 4212 cmd.exe 115 PID 4212 wrote to memory of 3856 4212 cmd.exe 115 PID 4212 wrote to memory of 3856 4212 cmd.exe 115 -
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\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4820
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C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.exe"C:\Users\Admin\AppData\Local\Temp\0ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4.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:3396 -
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:4180
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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:4176 -
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:416
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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:1912
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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:3516
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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:2120 -
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:4600
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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:3428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4220
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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:4572
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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:3068
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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:2224
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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:1036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3552 -
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:4212 -
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:3856
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4864
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526223384809b9332ab32c6413a74ca71
SHA1de27c4d569cbc72b7be3f5c8df0964d286cfff93
SHA256bc764077e5f05bfe92562af7572a3192a1aa635727d3177c017ab39b3f77fec4
SHA5123ff3af448cb2d95d417377ece81337f7dd92959a304c71279a6504a69d9d1c3c060ce37221d8917ba7e72a954e98b0e348710311cb37f34ca29c0792125410d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586c31635f6f151b8b18a5fb4025cc7b8
SHA1e862b82c6ddcebd768841ec9f4273017ef624a3a
SHA25678f654ea3d5a3d949162dca4509ae8b664427f2ac04a4ac7e7fc33e17a74d1b0
SHA512d8dd8ebfaa0d27afa9d6815422194a5bfb0af51595bbffe0b26710d5d72802c9d40c52fd36c042adfed186ab64e80e532c51e02fd94a7b36ce650b25651124b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a3a34b244b0b5943b77499c1ff51488
SHA158b640008d52e3ed8dc3923c39f46c3288ed6c49
SHA25670fad73fc59262b18d6e73373d53a3e5a24d07b8d69229871b99f7425873a3b5
SHA512c1c1414e41a0ea407728834d06c33c780d48a59c9a146290bacf6bff0120d7a2ea26a411fd9b6c8b321996c7dc52ce28c54d3dfd6ac24c1b9fa8db950a18224b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524cfb82d9f78fe6aa1c90796345607a7
SHA1644e781d533d5c1f4f3a78ccc7debcf3e0e43fdd
SHA256727c0de11d3260803032dc83b79eb2980d0f1adbb25b899cef10164457aebb79
SHA5123f57bdc55bb533741b43f7010a394ef6ddd21c96e42bb17746682e1c4163b97dafcadebf9b33560ae215ae87be28160f14a2f223a9bc4835895c799d905df07f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6ced8c7c34d84d3cc22a20d8cdf444e
SHA1dbb45e4448a3b04114c57df0308ef729ec2203f8
SHA2560a7e9ed7c390d06ae9b85d0497f53794572a8249504386edbc3cc00ab22e3063
SHA5121012ec956cb3681e5930f809d7471880fe30c8fdc64cfe115feffe9ea2184c493271336d1586bb37371da4a5919759574246f917c72a9596a9ce0dcb00369727
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Filesize
4.1MB
MD550bbd3c0a763696169eb0184a0a32f58
SHA14bf461d04e9538bfa6919e4c29dc9f60d3f5a6fb
SHA2560ccb7fc8e17e590493bed0975d3693dbf50bbcb2547121ff1ad49be1ca5fdcb4
SHA512707112015a46b1de809ce7f94fe26a4bf540e2497b34ee842b7a9fcd65579d1fddc4552948474aef65bd2b36a4a4ca4e9e672631e786ad54fa8a2b08f5e89ca2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec