Analysis
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max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe
Resource
win10v2004-20240412-en
General
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Target
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe
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Size
4.2MB
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MD5
e07ccfe73fe8e1be14ca339fd3505681
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SHA1
cadfce42783bab8f97b2ad7586518854ab06ef86
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SHA256
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b
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SHA512
8fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCD:OAu+ENnjVyYiVNw4a
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1732-2-0x0000000004100000-0x00000000049EB000-memory.dmp family_glupteba behavioral2/memory/1732-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1304-53-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/1304-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1732-78-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1304-142-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-241-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-251-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-263-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2816-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 488 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2816 csrss.exe 2596 injector.exe 1660 windefender.exe 2908 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa22-245.dat upx behavioral2/memory/1660-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2908-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2908-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe File created C:\Windows\rss\csrss.exe bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.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 1704 sc.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 4116 schtasks.exe 1632 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 572 powershell.exe 572 powershell.exe 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1484 powershell.exe 1484 powershell.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 4592 powershell.exe 4592 powershell.exe 1620 powershell.exe 1620 powershell.exe 4556 powershell.exe 4556 powershell.exe 3908 powershell.exe 3908 powershell.exe 3728 powershell.exe 3728 powershell.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2816 csrss.exe 2816 csrss.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2816 csrss.exe 2816 csrss.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2816 csrss.exe 2816 csrss.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe 2596 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 572 powershell.exe Token: SeDebugPrivilege 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Token: SeImpersonatePrivilege 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeSystemEnvironmentPrivilege 2816 csrss.exe Token: SeSecurityPrivilege 1704 sc.exe Token: SeSecurityPrivilege 1704 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1732 wrote to memory of 572 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 80 PID 1732 wrote to memory of 572 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 80 PID 1732 wrote to memory of 572 1732 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 80 PID 1304 wrote to memory of 1484 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 86 PID 1304 wrote to memory of 1484 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 86 PID 1304 wrote to memory of 1484 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 86 PID 1304 wrote to memory of 3724 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 88 PID 1304 wrote to memory of 3724 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 88 PID 3724 wrote to memory of 488 3724 cmd.exe 90 PID 3724 wrote to memory of 488 3724 cmd.exe 90 PID 1304 wrote to memory of 4592 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 91 PID 1304 wrote to memory of 4592 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 91 PID 1304 wrote to memory of 4592 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 91 PID 1304 wrote to memory of 1620 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 93 PID 1304 wrote to memory of 1620 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 93 PID 1304 wrote to memory of 1620 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 93 PID 1304 wrote to memory of 2816 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 95 PID 1304 wrote to memory of 2816 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 95 PID 1304 wrote to memory of 2816 1304 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 95 PID 2816 wrote to memory of 4556 2816 csrss.exe 96 PID 2816 wrote to memory of 4556 2816 csrss.exe 96 PID 2816 wrote to memory of 4556 2816 csrss.exe 96 PID 2816 wrote to memory of 3908 2816 csrss.exe 102 PID 2816 wrote to memory of 3908 2816 csrss.exe 102 PID 2816 wrote to memory of 3908 2816 csrss.exe 102 PID 2816 wrote to memory of 3728 2816 csrss.exe 104 PID 2816 wrote to memory of 3728 2816 csrss.exe 104 PID 2816 wrote to memory of 3728 2816 csrss.exe 104 PID 2816 wrote to memory of 2596 2816 csrss.exe 106 PID 2816 wrote to memory of 2596 2816 csrss.exe 106 PID 1660 wrote to memory of 4460 1660 windefender.exe 112 PID 1660 wrote to memory of 4460 1660 windefender.exe 112 PID 1660 wrote to memory of 4460 1660 windefender.exe 112 PID 4460 wrote to memory of 1704 4460 cmd.exe 113 PID 4460 wrote to memory of 1704 4460 cmd.exe 113 PID 4460 wrote to memory of 1704 4460 cmd.exe 113 -
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\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572
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C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.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:1304 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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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:3724 -
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:488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4592
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620
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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:2816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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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:4116
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3876
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728
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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:2596
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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:1632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1660 -
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:4460 -
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:1704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2908
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
MD5b703ba319578c5d003de71902762c9cb
SHA114f4ba24033c7b2c5bcd08780517331d35b58b8a
SHA256e6071af41a02ead98304cc47ad9b7e9c3654048cae1eb0e6c0a234fe9d710ff8
SHA51229d7977efe3409c5615ac522938d36f810f53ccb255a333920c631a3776a67e2e6cf7873d39841f3b3e14c221e962ce0ed097ed7c2ce190b46f61e8f50ccf068
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e052e0f864dfdb56af8639f5cba488e
SHA1944d2b567f8d70ddbddb9d421a6b3816d0f031af
SHA256b34414a6427410cac03e871146e03ba740b1613e44900cf8a329fef35ca5c601
SHA5120bbb51b1a41661c3feeae12d1fe735f3514304881d42659bbab77ae1d5f0fe61dcb7bb09d4075570ed34c423dc3ad3c172c9ee9c5df10c3914118d602df343e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5106d8682d94699d717e2b9eed1798f98
SHA16c9747036056f5bbf92c91834330d07b48fc0403
SHA256bfca8ce3d8af379c08a11708141bfeada2f1ee003f8a3f92a37c646bde6994a6
SHA512849748989d95b4d2022911a65f1197b6f2daeee57ae369bbb9dda613c6be2dbac8af28a9cf65374fbdbb04117a9dd662d0066ae597fddc07abc90beec1d5e7c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5758c943c7eca9452b1bdc71a74d1844e
SHA1cb3602fb5c574d21790e310cf783bc834fc7956d
SHA256f3642b5f1b95cd4578c5f243bc8494758abf6d65d673057ecdaf0ce0ea406df8
SHA512cddfdd7288c67f1aa25d27484874561d91a60782f3ec165049bd1af567ad0ad71661644ce3c0e7b0f9650cd227264c5831f9cecda4d150706d9ae0487b0ca79a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdbc9e362b85731bc886a6b61bf334c8
SHA1b1bf6f42a8fdc468333be9a1a86b6af20d5373e9
SHA256f35825f0c7324567d0d428beb937fc762290446cd2450937c3e6452416ab6eee
SHA5120177241d7e5f8b97ecab3c6f62d7d9a835dfe71942fca1314e254154b5631ee4f90cadebf7ec1ecf8fb9c8a2598837a44d427abf8661b57712ce56981b5aab6d
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Filesize
4.2MB
MD5e07ccfe73fe8e1be14ca339fd3505681
SHA1cadfce42783bab8f97b2ad7586518854ab06ef86
SHA256bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b
SHA5128fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec