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Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 behavioral1/memory/2620-2-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/2620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-93-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/2620-157-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/3396-156-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/2620-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4696-210-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-228-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-230-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-234-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-238-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-244-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-248-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-250-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-254-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-260-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-264-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-266-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba behavioral1/memory/4696-270-0x0000000000400000-0x0000000001DF2000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4696 csrss.exe 4436 injector.exe 3624 windefender.exe 4648 windefender.exe -
resource yara_rule behavioral1/files/0x0033000000023bb6-220.dat upx behavioral1/memory/3624-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3624-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4648-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 4832 sc.exe -
pid Process 512 powershell.exe 2596 powershell.exe 4344 powershell.exe 1544 powershell.exe 3216 powershell.exe 2324 powershell.exe 4916 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 2316 schtasks.exe 3668 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\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-661 = "Cen. Australia Daylight 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,-342 = "Egypt Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 512 powershell.exe 512 powershell.exe 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 2596 powershell.exe 2596 powershell.exe 2596 powershell.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 4344 powershell.exe 4344 powershell.exe 1544 powershell.exe 1544 powershell.exe 1544 powershell.exe 3216 powershell.exe 3216 powershell.exe 2324 powershell.exe 2324 powershell.exe 4916 powershell.exe 4916 powershell.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4696 csrss.exe 4696 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4696 csrss.exe 4696 csrss.exe 4436 injector.exe 4436 injector.exe 4696 csrss.exe 4696 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Token: SeImpersonatePrivilege 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeSystemEnvironmentPrivilege 4696 csrss.exe Token: SeSecurityPrivilege 4832 sc.exe Token: SeSecurityPrivilege 4832 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2620 wrote to memory of 512 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 84 PID 2620 wrote to memory of 512 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 84 PID 2620 wrote to memory of 512 2620 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 84 PID 3396 wrote to memory of 2596 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 97 PID 3396 wrote to memory of 2596 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 97 PID 3396 wrote to memory of 2596 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 97 PID 3396 wrote to memory of 2668 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 101 PID 3396 wrote to memory of 2668 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 101 PID 2668 wrote to memory of 2756 2668 cmd.exe 103 PID 2668 wrote to memory of 2756 2668 cmd.exe 103 PID 3396 wrote to memory of 4344 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 104 PID 3396 wrote to memory of 4344 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 104 PID 3396 wrote to memory of 4344 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 104 PID 3396 wrote to memory of 1544 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 107 PID 3396 wrote to memory of 1544 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 107 PID 3396 wrote to memory of 1544 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 107 PID 3396 wrote to memory of 4696 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 109 PID 3396 wrote to memory of 4696 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 109 PID 3396 wrote to memory of 4696 3396 bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe 109 PID 4696 wrote to memory of 3216 4696 csrss.exe 110 PID 4696 wrote to memory of 3216 4696 csrss.exe 110 PID 4696 wrote to memory of 3216 4696 csrss.exe 110 PID 4696 wrote to memory of 2324 4696 csrss.exe 116 PID 4696 wrote to memory of 2324 4696 csrss.exe 116 PID 4696 wrote to memory of 2324 4696 csrss.exe 116 PID 4696 wrote to memory of 4916 4696 csrss.exe 118 PID 4696 wrote to memory of 4916 4696 csrss.exe 118 PID 4696 wrote to memory of 4916 4696 csrss.exe 118 PID 4696 wrote to memory of 4436 4696 csrss.exe 120 PID 4696 wrote to memory of 4436 4696 csrss.exe 120 PID 3624 wrote to memory of 2300 3624 windefender.exe 127 PID 3624 wrote to memory of 2300 3624 windefender.exe 127 PID 3624 wrote to memory of 2300 3624 windefender.exe 127 PID 2300 wrote to memory of 4832 2300 cmd.exe 128 PID 2300 wrote to memory of 4832 2300 cmd.exe 128 PID 2300 wrote to memory of 4832 2300 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\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe"C:\Users\Admin\AppData\Local\Temp\bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:512
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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: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:2596
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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:2668 -
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:2756
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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:4344
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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:1544
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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:4696 -
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:3216
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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:2316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2196
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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:2324
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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:4916
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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:4436
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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:3668
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3624 -
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:2300 -
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:4832
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4648
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54346e1a6d490ee0d55aafaae5f3e6c6b
SHA17c9b05d0e081d0f3b1b26c2f3fe916147f81efac
SHA256abb593ed20a41c6316fbb536b1e88eac3bdc0ca34cef97807919918956040bb1
SHA5120bbd3e1af76e979bbca4b00940c64e3618cb035d66d0567ee559691ad6a3ccf805853dc4a13f6a680022362c7f41ce1466f140e6c0c6c0be1492eb1232db4da0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6475ef3d4cbf3604ed3648b60b11ead
SHA12885a4f81aa5e89c0f0d3c96ca8f6c7c089a5c9a
SHA256f924e500457f63fe563f4f56b33d337f3db88cdc3e9507988d66e9d7480da5ed
SHA512ae82f1e3f672fe43582fe8abc79ef26320e253a8aa98c6fe98100b90de01d51936c8cd3b288bd455f398707846532d4d7121f99374470fecce43f9e04ce66bdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ba984eb88e27f9237f6214bd951f124
SHA1eacadd12d550a7bbc3af70f8b2af09600a3ce8d2
SHA256798e6ab2cefc2548a5030b1f44762aafa1f88d2fcf8045d2318e1077e71514e8
SHA51203b2be347854a1620f761e00032e4097e2da32b548a0bfa46a22e071e19aaba1ada4e93173da7a5b926c877fce19dccbdd9a08e44fa1ef1bb627eacc16086367
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e5ae3e4388baef717f02b30d6d107686
SHA1d15344f094f6b33a4c8f8cf18d3e8a54a0d3ce87
SHA2566945b0a4e56dd7729bf8ca40377581622427ab04c9a9800de35b53cff331b943
SHA512ed0e79edb39f49b3145832ec40ec96f8072e7c48004f05a1eafa7f95ce4c712c8a91ede6c00f82ea5c4c01664dd5b7f9370a3e349c2277596fda27319da7159b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD534d3832aaa4824141f4aa828e4799d2b
SHA1cd629103ad87e2748e62669b5b787f5f0822b328
SHA2568543ac6fcdcbfa5d0c7bcffe59565fe3568a82be6d645a357f32e57f0b111673
SHA512d42bd4b2c4fb620c84bab83b899c34701d2a2f58197514605a0f3999d96e77920792ea77abbf83ed65c226a63df920b719d6ec54991ae65c55829cf672b40dcf
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Filesize
4.2MB
MD5cc1a7e8229a307ee0c3ef82b5ed2ad33
SHA188d979868940fb5029e021e748a6a81a4ee05871
SHA256bb1c066034e9560bdc48e29ee48ab48ff349a952dcb48668158cf2605194aaca
SHA512e39b2997d6c5e51755d935e166d8c544b61bc81164b890be16ffe4530a3179796ce3918fb867174c5c1422936c8f10dfcfad8a318374d476284241383eb067bc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec