Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 00:53
Static task
static1
Behavioral task
behavioral1
Sample
a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe
Resource
win10v2004-20240508-en
General
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Target
a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe
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Size
4.1MB
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MD5
e327caf66b715bc53a432e610b9827de
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SHA1
bf2b8898c63cda2d2dda2fe18bd4ec626359c5e4
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SHA256
a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f
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SHA512
257bbff78078ac91c298ea771d80f77ff1e1232806f52c83f0515e25541fb5ae2f812279b56347484a02829f0907bdf909552ee87334bd87ce52ea0e64f69f91
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SSDEEP
98304:cFETef+mmkxaPY+QSMo7d4VmoteWoCPtlnvHUEaCydSf:cFGef+mhxag+rMGd4V3tmut57tf
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1912-2-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/1912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1912-41-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1912-54-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/1912-64-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/1912-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/480-102-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/480-127-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-203-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-214-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-215-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-223-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-226-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-228-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3024-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 436 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3024 csrss.exe 1808 injector.exe 988 windefender.exe 2456 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-206.dat upx behavioral2/memory/988-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2456-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/988-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2456-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2456-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe File created C:\Windows\rss\csrss.exe a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe File created 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 3248 sc.exe -
pid Process 4380 powershell.exe 772 powershell.exe 4828 powershell.exe 388 powershell.exe 1744 powershell.exe 4480 powershell.exe 5044 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 3852 schtasks.exe 3920 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.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" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.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,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5044 powershell.exe 5044 powershell.exe 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 4380 powershell.exe 4380 powershell.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 772 powershell.exe 772 powershell.exe 4828 powershell.exe 4828 powershell.exe 388 powershell.exe 388 powershell.exe 1744 powershell.exe 1744 powershell.exe 4480 powershell.exe 4480 powershell.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 3024 csrss.exe 3024 csrss.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 3024 csrss.exe 3024 csrss.exe 1808 injector.exe 1808 injector.exe 3024 csrss.exe 3024 csrss.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Token: SeImpersonatePrivilege 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeSystemEnvironmentPrivilege 3024 csrss.exe Token: SeSecurityPrivilege 3248 sc.exe Token: SeSecurityPrivilege 3248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1912 wrote to memory of 5044 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 78 PID 1912 wrote to memory of 5044 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 78 PID 1912 wrote to memory of 5044 1912 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 78 PID 480 wrote to memory of 4380 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 83 PID 480 wrote to memory of 4380 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 83 PID 480 wrote to memory of 4380 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 83 PID 480 wrote to memory of 2144 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 85 PID 480 wrote to memory of 2144 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 85 PID 2144 wrote to memory of 436 2144 cmd.exe 87 PID 2144 wrote to memory of 436 2144 cmd.exe 87 PID 480 wrote to memory of 772 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 88 PID 480 wrote to memory of 772 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 88 PID 480 wrote to memory of 772 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 88 PID 480 wrote to memory of 4828 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 90 PID 480 wrote to memory of 4828 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 90 PID 480 wrote to memory of 4828 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 90 PID 480 wrote to memory of 3024 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 92 PID 480 wrote to memory of 3024 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 92 PID 480 wrote to memory of 3024 480 a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe 92 PID 3024 wrote to memory of 388 3024 csrss.exe 93 PID 3024 wrote to memory of 388 3024 csrss.exe 93 PID 3024 wrote to memory of 388 3024 csrss.exe 93 PID 3024 wrote to memory of 1744 3024 csrss.exe 99 PID 3024 wrote to memory of 1744 3024 csrss.exe 99 PID 3024 wrote to memory of 1744 3024 csrss.exe 99 PID 3024 wrote to memory of 4480 3024 csrss.exe 101 PID 3024 wrote to memory of 4480 3024 csrss.exe 101 PID 3024 wrote to memory of 4480 3024 csrss.exe 101 PID 3024 wrote to memory of 1808 3024 csrss.exe 103 PID 3024 wrote to memory of 1808 3024 csrss.exe 103 PID 988 wrote to memory of 2720 988 windefender.exe 109 PID 988 wrote to memory of 2720 988 windefender.exe 109 PID 988 wrote to memory of 2720 988 windefender.exe 109 PID 2720 wrote to memory of 3248 2720 cmd.exe 110 PID 2720 wrote to memory of 3248 2720 cmd.exe 110 PID 2720 wrote to memory of 3248 2720 cmd.exe 110 -
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\a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe"C:\Users\Admin\AppData\Local\Temp\a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044
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C:\Users\Admin\AppData\Local\Temp\a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.exe"C:\Users\Admin\AppData\Local\Temp\a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f.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:480 -
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:4380
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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:2144 -
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:436
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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:772
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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:4828
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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:3024 -
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:388
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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:3852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1656
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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:1744
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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:4480
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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:1808
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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:3920
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:988 -
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:2720 -
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:3248
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2456
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa7f4e6602bae19b4b19e6211a109829
SHA1ab6b878a70db62fbff4e81cf94b197b4cb50e50a
SHA256884a00c7ef28348177375dcea6a198d88219d0b71702dff6cc3ca981814a6fa5
SHA5121c34358401c61598f07c62c5e2095156c17822290b841ccd261a0feeef85c3c9fae2a0fc46d405b92f8b8acd14017bc2f1df981318c527d0f0852978782c7489
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac9877d6024d3b610b4481c981b512d1
SHA14fbdb15132f8db1ab6a0f0666dee8b913c65d9e0
SHA256fc9dde2d28b249394f190068b7ad23e1c634cc864255a031d3922894acc30d23
SHA512341ea9243a4e27c7bbb769df4f6e2982866db65dbb52ca7e39f3f8318d7df9e2955ada8ab4aa7337ca36fbc23c1c0a29d2bba254f2e1a26e09b6973f73ed5744
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5344bdcbe0a3e07ffdea2387da4a0262b
SHA183ead25e6523b9472cca79837575de5c6a5c564d
SHA256d08ebbd9724f981694c0fbdc198519aff6275dde5c76477f36ce6562c9b6f371
SHA5127de1ac95080e919fa6cacab22b7b2fcb8363c924c476dd68cd856ef9cb86b45cf534afcc7dff02fc549b4a0421eebd9ac35cea74db175c15e23cf408724797f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50522d65809f779d931a4119f5077dfd6
SHA198d55126d77a9cc9501f62177d544b227d73a37e
SHA2561786327616b203c71971c3c1267644002c8e3680c815ae1a1c64fee770bd7ad2
SHA512a2408d992e5c31a7bfd4e97c092a623fa453722a8d2e62c153accc30f6586060f287bf98c8682039c2dd8de2061e0bd20bd04715ffe2d7955eb059e4fa1f5ab0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9f1db2570e61810206c9d532f7de167
SHA1a75da77597564314f610c49057cc8e8c66fabbff
SHA256cc92bc5eb89141e6af2829cba6bf78999d35773e512a388a2462aad45dc83805
SHA512acdb8ccb9f3050ec06b27316bdf4b4419774b23633a688e83b7ce595616ec377ba342b4a578fdaca2a3cddd45187765363a5fd95388bda5215d107ed0b7e70af
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Filesize
4.1MB
MD5e327caf66b715bc53a432e610b9827de
SHA1bf2b8898c63cda2d2dda2fe18bd4ec626359c5e4
SHA256a2bddb7e9c95e18e9164ad7f29b633a333f1687047ead7e61b447e6b5026b96f
SHA512257bbff78078ac91c298ea771d80f77ff1e1232806f52c83f0515e25541fb5ae2f812279b56347484a02829f0907bdf909552ee87334bd87ce52ea0e64f69f91
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec