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Analysis
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max time kernel
150s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 09:50
Static task
static1
Behavioral task
behavioral1
Sample
bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe
Resource
win10v2004-20240419-en
General
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Target
bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe
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Size
4.2MB
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MD5
cc1a7e8229a307ee0c3ef82b5ed2ad33
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SHA1
88d979868940fb5029e021e748a6a81a4ee05871
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SHA256
bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca
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SHA512
e39b2997d6c5e51755d935e166d8c544b61bc81164b890be16ffe4530a3179796ce3918fb867174c5c1422936c8f10dfcfad8a318374d476284241383eb067bc
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SSDEEP
98304:ko4SOxmKXm1EUBFpSwO6ORShajBciTHIW6HgNwCET3CPJ3:ko4SOAKXWEiqwO6OYkjBcjtHrlT3CPJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/952-2-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/952-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/952-73-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/952-98-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/436-125-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/952-157-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1724-196-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-213-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-216-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-220-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-224-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-229-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-233-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-236-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-240-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-245-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-249-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-252-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral2/memory/1724-256-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2952 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1724 csrss.exe 1444 injector.exe 2808 windefender.exe 2692 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-205.dat upx behavioral2/memory/2808-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2692-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2808-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2692-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2692-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe File created C:\Windows\rss\csrss.exe bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.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 5036 sc.exe -
pid Process 3960 powershell.exe 2916 powershell.exe 4088 powershell.exe 3684 powershell.exe 472 powershell.exe 4424 powershell.exe 3872 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 2992 schtasks.exe 2272 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,-271 = "Greenwich Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 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,-661 = "Cen. Australia Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich 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" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.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,-111 = "Eastern Daylight 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\@tzres.dll,-792 = "SA Western 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,-231 = "Hawaiian Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3872 powershell.exe 3872 powershell.exe 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3960 powershell.exe 3960 powershell.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 2916 powershell.exe 2916 powershell.exe 4088 powershell.exe 4088 powershell.exe 3684 powershell.exe 3684 powershell.exe 472 powershell.exe 472 powershell.exe 4424 powershell.exe 4424 powershell.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1724 csrss.exe 1724 csrss.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1724 csrss.exe 1724 csrss.exe 1444 injector.exe 1444 injector.exe 1724 csrss.exe 1724 csrss.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe 1444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Token: SeImpersonatePrivilege 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 472 powershell.exe Token: SeDebugPrivilege 4424 powershell.exe Token: SeSystemEnvironmentPrivilege 1724 csrss.exe Token: SeSecurityPrivilege 5036 sc.exe Token: SeSecurityPrivilege 5036 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 952 wrote to memory of 3872 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 82 PID 952 wrote to memory of 3872 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 82 PID 952 wrote to memory of 3872 952 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 82 PID 436 wrote to memory of 3960 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 87 PID 436 wrote to memory of 3960 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 87 PID 436 wrote to memory of 3960 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 87 PID 436 wrote to memory of 632 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 89 PID 436 wrote to memory of 632 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 89 PID 632 wrote to memory of 2952 632 cmd.exe 91 PID 632 wrote to memory of 2952 632 cmd.exe 91 PID 436 wrote to memory of 2916 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 92 PID 436 wrote to memory of 2916 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 92 PID 436 wrote to memory of 2916 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 92 PID 436 wrote to memory of 4088 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 94 PID 436 wrote to memory of 4088 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 94 PID 436 wrote to memory of 4088 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 94 PID 436 wrote to memory of 1724 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 96 PID 436 wrote to memory of 1724 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 96 PID 436 wrote to memory of 1724 436 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 96 PID 1724 wrote to memory of 3684 1724 csrss.exe 97 PID 1724 wrote to memory of 3684 1724 csrss.exe 97 PID 1724 wrote to memory of 3684 1724 csrss.exe 97 PID 1724 wrote to memory of 472 1724 csrss.exe 103 PID 1724 wrote to memory of 472 1724 csrss.exe 103 PID 1724 wrote to memory of 472 1724 csrss.exe 103 PID 1724 wrote to memory of 4424 1724 csrss.exe 105 PID 1724 wrote to memory of 4424 1724 csrss.exe 105 PID 1724 wrote to memory of 4424 1724 csrss.exe 105 PID 1724 wrote to memory of 1444 1724 csrss.exe 107 PID 1724 wrote to memory of 1444 1724 csrss.exe 107 PID 2808 wrote to memory of 5024 2808 windefender.exe 113 PID 2808 wrote to memory of 5024 2808 windefender.exe 113 PID 2808 wrote to memory of 5024 2808 windefender.exe 113 PID 5024 wrote to memory of 5036 5024 cmd.exe 114 PID 5024 wrote to memory of 5036 5024 cmd.exe 114 PID 5024 wrote to memory of 5036 5024 cmd.exe 114 -
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\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe"C:\Users\Admin\AppData\Local\Temp\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
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C:\Users\Admin\AppData\Local\Temp\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe"C:\Users\Admin\AppData\Local\Temp\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.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:436 -
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:3960
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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:632 -
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:2952
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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:2916
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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:4088
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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:1724 -
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:3684
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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:2992
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2104
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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:472
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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:4424
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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:1444
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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:2272
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2808 -
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:5024 -
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:5036
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2692
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4354f4edd984d91fe205ab008b18af9
SHA1f9ca29b9505e2526a4ac2a48a266875a34282e4c
SHA2568c467b530f8975886fa2f70513d5b3acded29204aec5be9e95fd5d25de57d6ae
SHA51247a40ceee2936fe6f990d6fa7a14fc89eb51aa75ce22e43e841f5163a7ba0ceadb8cf192e566f7bb742c3e9a3e9db61f7210ea5ef5c036a35356caf326185477
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e940c0273339f47a02f8de8a6773a216
SHA1914e28c569452c12c059895ee1fb3371eb206f32
SHA256ae8a99a5cb7f059bbfb5e2e7ea309946d7a3780e0a28afe211c974c7002da564
SHA51250f3a0e8367a3bab685969f7207a2b03e8952bc51adfc52ab1ef4dda1f7cbfb34f4729e64b322e9f537c3141469be493c48b9e133e47fc6376f98dea704e3ed9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c376494d3b1085785c1169a794e48e4
SHA18c34ccf74a93d57d11503b658a9e8f88c5313361
SHA2560cb774275203c22916b8da3f17b58bafe276f90babda8c1a41a91aa9cd802291
SHA51238c43b006e2d6abeeadbf33cf9e951c59c73a5478a6fa425ee7de1c0af43c93f11e51a94e006b680385ae1bbaf72dff8e3917ef834b98734ccf1ac9425bbc3ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527d7a70a02d43df6cd204c6f5718d27b
SHA16f6206125e1317e8a9124a378a511d581ca39ec3
SHA256afb98619e66b22e8ed492e72451181f0e866ea8b7ca2a88f550f9a6ee6108d5e
SHA51209b477680dca42a4479e993eae2846db9470589e93e40391bbfb26790d1e8775acb951106af4f5b7b3bd2645b760b1c49c8bce7a6cb467b907330a3ab948443d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5821f332d7f8fec3157ef640c1a80248c
SHA1371333c632e9e21ae9d57459f121a4856ce91834
SHA256db73f80a7838f9f5e04e093fb2e257bd993299f0a25f3a5030b908def83d99f9
SHA5124324aa2b608ba35f2e8d13cb575c59206130847e607451a4dbe7846276d3f3471949e2a850edf57d7758856422fcec158c43b79fddbb9fb1066eecdc445af17d
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Filesize
4.2MB
MD5cc1a7e8229a307ee0c3ef82b5ed2ad33
SHA188d979868940fb5029e021e748a6a81a4ee05871
SHA256bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca
SHA512e39b2997d6c5e51755d935e166d8c544b61bc81164b890be16ffe4530a3179796ce3918fb867174c5c1422936c8f10dfcfad8a318374d476284241383eb067bc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec