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Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe
Resource
win10v2004-20240508-en
General
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Target
89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe
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Size
4.1MB
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MD5
ac39cc59f904c244028080be95a6e903
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SHA1
12409ac3d16d2c95af9fd20dfde3a6c0d7bdd573
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SHA256
89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e
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SHA512
a82370e71a98da5adab169595bd6f362362395f894f6485439462e2705f6d8a181a9cc1c6bfe84a6879d125d67f4148c7831c5899d5f13637c8dce8acaec690b
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SSDEEP
98304:j3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTP:j3/aer8lIiPc9ySnggpxAJiIuBVpFiir
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/452-2-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/452-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/452-103-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/452-144-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/1328-181-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/452-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3660-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-259-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-262-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-266-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3660-271-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3660 csrss.exe 1500 injector.exe 2408 windefender.exe 4496 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002341b-219.dat upx behavioral1/memory/2408-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4496-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe File created C:\Windows\rss\csrss.exe 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.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 5044 sc.exe -
pid Process 2164 powershell.exe 2796 powershell.exe 3288 powershell.exe 2168 powershell.exe 4452 powershell.exe 4736 powershell.exe 2152 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 4876 schtasks.exe 4320 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.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,-291 = "Central European Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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\@tzres.dll,-572 = "China Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.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,-141 = "Canada Central Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2152 powershell.exe 2152 powershell.exe 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 2164 powershell.exe 2164 powershell.exe 2164 powershell.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 2796 powershell.exe 2796 powershell.exe 2796 powershell.exe 3288 powershell.exe 3288 powershell.exe 3288 powershell.exe 2168 powershell.exe 2168 powershell.exe 2168 powershell.exe 4452 powershell.exe 4452 powershell.exe 4736 powershell.exe 4736 powershell.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 3660 csrss.exe 3660 csrss.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 3660 csrss.exe 3660 csrss.exe 1500 injector.exe 1500 injector.exe 3660 csrss.exe 3660 csrss.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe 1500 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Token: SeImpersonatePrivilege 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 3288 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeSystemEnvironmentPrivilege 3660 csrss.exe Token: SeSecurityPrivilege 5044 sc.exe Token: SeSecurityPrivilege 5044 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 452 wrote to memory of 2152 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 85 PID 452 wrote to memory of 2152 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 85 PID 452 wrote to memory of 2152 452 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 85 PID 1328 wrote to memory of 2164 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 95 PID 1328 wrote to memory of 2164 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 95 PID 1328 wrote to memory of 2164 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 95 PID 1328 wrote to memory of 2404 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 99 PID 1328 wrote to memory of 2404 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 99 PID 2404 wrote to memory of 4908 2404 cmd.exe 101 PID 2404 wrote to memory of 4908 2404 cmd.exe 101 PID 1328 wrote to memory of 2796 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 103 PID 1328 wrote to memory of 2796 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 103 PID 1328 wrote to memory of 2796 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 103 PID 1328 wrote to memory of 3288 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 106 PID 1328 wrote to memory of 3288 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 106 PID 1328 wrote to memory of 3288 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 106 PID 1328 wrote to memory of 3660 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 108 PID 1328 wrote to memory of 3660 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 108 PID 1328 wrote to memory of 3660 1328 89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe 108 PID 3660 wrote to memory of 2168 3660 csrss.exe 109 PID 3660 wrote to memory of 2168 3660 csrss.exe 109 PID 3660 wrote to memory of 2168 3660 csrss.exe 109 PID 3660 wrote to memory of 4452 3660 csrss.exe 115 PID 3660 wrote to memory of 4452 3660 csrss.exe 115 PID 3660 wrote to memory of 4452 3660 csrss.exe 115 PID 3660 wrote to memory of 4736 3660 csrss.exe 117 PID 3660 wrote to memory of 4736 3660 csrss.exe 117 PID 3660 wrote to memory of 4736 3660 csrss.exe 117 PID 3660 wrote to memory of 1500 3660 csrss.exe 119 PID 3660 wrote to memory of 1500 3660 csrss.exe 119 PID 2408 wrote to memory of 4080 2408 windefender.exe 126 PID 2408 wrote to memory of 4080 2408 windefender.exe 126 PID 2408 wrote to memory of 4080 2408 windefender.exe 126 PID 4080 wrote to memory of 5044 4080 cmd.exe 127 PID 4080 wrote to memory of 5044 4080 cmd.exe 127 PID 4080 wrote to memory of 5044 4080 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe"C:\Users\Admin\AppData\Local\Temp\89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2152
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C:\Users\Admin\AppData\Local\Temp\89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.exe"C:\Users\Admin\AppData\Local\Temp\89dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e.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:1328 -
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:2164
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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:2404 -
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:4908
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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:2796
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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:3288
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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:3660 -
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:2168
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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:4876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2820
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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:4452
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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:4736
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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:1500
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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:4320
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2408 -
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:4080 -
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:5044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4496
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3c3633ed61cca16b3d5a1abb62e08fb
SHA15c7c773a6e2002e2e6959418bbe48563005b50a8
SHA256eb4880dbcc8441703827c6382b2f232b051def112424377a989c5dbf70883074
SHA512ed47a8d9f9d6780a7dbd4783b3d2b5e036ff6dc061c9857a95e10d8200ce0fbe9e462cfecfef30e9c24354f004b0927ea9d62edc3d0b609141b8c91754a986f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f63a47a39fe2bc00339f221dfc4d9320
SHA14feb5d209b25cc828bb334f630cea859f25310d5
SHA256301a17a28c9a321bed89e572c24e27e804df555d289446ab24fe3dc9daeb2d0b
SHA512f8261aff4535422308098ed6dff86212b728e71e0595bf371883a429899ea1bb8a08d32b84779c6473b94a09e3bcc103988d7f16d6ad873b63ec2b9d8c346d40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f19a593f5740cad81c31f26e87dce5d
SHA18c1adb1f3b52c5cf4339317d23e3fbaf7be0eab8
SHA256309b02ed23c6232eb7124c1ba2ec955fa3afd2a15b6a6a3d4dde823fc24f4994
SHA512e904e8564d363f48937a46de2c1c47c2714f22790510c6084e7e9baf920b353eb5079c4f2bdf46edafeeef87dc2d02fdbeb140ab7c5340f80a7e15ca31e6453b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f334e639ad5d3c857f6bc404ce0035c9
SHA196fff9027d769fbf5a6f7b27cc5d2233ef14b122
SHA2560e87d493917ba20bd8adbe659caf19903c51b2555bc780199e9629d8b9fa2458
SHA51295eca24475ef7707ecc813e4ce3aea4dc7c53f4a15afa0d7320cef730cc3be1095d29decbb1c107454890f5a1be4f2a0f96e8f2bbbfef53a88930a9419158743
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56afdd3cb8709b264a61940962a0a4f11
SHA1d6643ce1f9866867fb26d5464f6e0dc99e8e4e6c
SHA256e820fa8c818365df01024f5bc1cdd6cd698b2572a03cb9e95017b8eb9764a8c8
SHA5124383bc1dd960f6171951a07f8a91a3c3e45d6a5a25e889d007c24fff2a30097ef927ce344d0cfceda4ac5063aaaec74b377e796acaced54eeeabcddcada5c6b0
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Filesize
4.1MB
MD5ac39cc59f904c244028080be95a6e903
SHA112409ac3d16d2c95af9fd20dfde3a6c0d7bdd573
SHA25689dc2fadee4471584af48f114cb34548c6015855fc8ab3d6dd8afbe339caa18e
SHA512a82370e71a98da5adab169595bd6f362362395f894f6485439462e2705f6d8a181a9cc1c6bfe84a6879d125d67f4148c7831c5899d5f13637c8dce8acaec690b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec