Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe
Resource
win10v2004-20240508-en
General
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Target
ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe
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Size
4.1MB
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MD5
569149c1b2fe9c25ab3baab0a180a667
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SHA1
d34939dc6c27442b8f02372bb9a8ff7d3c9e0a6b
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SHA256
ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6
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SHA512
4aa63c5d16504e8ed7c66437b977624ef87dcbbc405ed6eb57680407e15a8220ca2012ae9ca2dd32d9b108060514b526c2fedbe07829ce7ebe70b4732082d7a4
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SSDEEP
98304:c3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59Xq:cdQIuMQA9oQJ/gXDp
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3152-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/3152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-89-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1652-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4636-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4636 csrss.exe 2620 injector.exe 4160 windefender.exe 3128 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa20-203.dat upx behavioral2/memory/4160-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4160-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3128-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3128-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe File created C:\Windows\rss\csrss.exe ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.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 2752 sc.exe -
pid Process 3824 powershell.exe 4216 powershell.exe 4908 powershell.exe 2744 powershell.exe 2500 powershell.exe 988 powershell.exe 1500 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 4484 schtasks.exe 2624 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3824 powershell.exe 3824 powershell.exe 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 4216 powershell.exe 4216 powershell.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 4908 powershell.exe 4908 powershell.exe 2744 powershell.exe 2744 powershell.exe 2500 powershell.exe 2500 powershell.exe 988 powershell.exe 988 powershell.exe 1500 powershell.exe 1500 powershell.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 4636 csrss.exe 4636 csrss.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 4636 csrss.exe 4636 csrss.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 4636 csrss.exe 4636 csrss.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe 2620 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Token: SeImpersonatePrivilege 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 988 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeSystemEnvironmentPrivilege 4636 csrss.exe Token: SeSecurityPrivilege 2752 sc.exe Token: SeSecurityPrivilege 2752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3152 wrote to memory of 3824 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 83 PID 3152 wrote to memory of 3824 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 83 PID 3152 wrote to memory of 3824 3152 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 83 PID 1652 wrote to memory of 4216 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 88 PID 1652 wrote to memory of 4216 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 88 PID 1652 wrote to memory of 4216 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 88 PID 1652 wrote to memory of 3712 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 90 PID 1652 wrote to memory of 3712 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 90 PID 3712 wrote to memory of 3096 3712 cmd.exe 92 PID 3712 wrote to memory of 3096 3712 cmd.exe 92 PID 1652 wrote to memory of 4908 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 93 PID 1652 wrote to memory of 4908 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 93 PID 1652 wrote to memory of 4908 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 93 PID 1652 wrote to memory of 2744 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 95 PID 1652 wrote to memory of 2744 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 95 PID 1652 wrote to memory of 2744 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 95 PID 1652 wrote to memory of 4636 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 97 PID 1652 wrote to memory of 4636 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 97 PID 1652 wrote to memory of 4636 1652 ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe 97 PID 4636 wrote to memory of 2500 4636 csrss.exe 98 PID 4636 wrote to memory of 2500 4636 csrss.exe 98 PID 4636 wrote to memory of 2500 4636 csrss.exe 98 PID 4636 wrote to memory of 988 4636 csrss.exe 103 PID 4636 wrote to memory of 988 4636 csrss.exe 103 PID 4636 wrote to memory of 988 4636 csrss.exe 103 PID 4636 wrote to memory of 1500 4636 csrss.exe 106 PID 4636 wrote to memory of 1500 4636 csrss.exe 106 PID 4636 wrote to memory of 1500 4636 csrss.exe 106 PID 4636 wrote to memory of 2620 4636 csrss.exe 108 PID 4636 wrote to memory of 2620 4636 csrss.exe 108 PID 4160 wrote to memory of 3036 4160 windefender.exe 114 PID 4160 wrote to memory of 3036 4160 windefender.exe 114 PID 4160 wrote to memory of 3036 4160 windefender.exe 114 PID 3036 wrote to memory of 2752 3036 cmd.exe 115 PID 3036 wrote to memory of 2752 3036 cmd.exe 115 PID 3036 wrote to memory of 2752 3036 cmd.exe 115 -
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\ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe"C:\Users\Admin\AppData\Local\Temp\ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3824
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C:\Users\Admin\AppData\Local\Temp\ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.exe"C:\Users\Admin\AppData\Local\Temp\ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6.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:1652 -
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:4216
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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:3712 -
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:3096
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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: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:2744
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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:4636 -
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:2500
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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:4484
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3308
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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:988
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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:1500
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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:2620
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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:2624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4160 -
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:3036 -
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:2752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3128
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
MD5a7f1cf4cc57536fcadd481869a052d03
SHA101dcba352be5d7dc2f372f4d6e50f76e964f235d
SHA2568f4c23740661399ff3d81c88d3badc7053926917c7eae42ece183fba5981fbc9
SHA5122940cdb901b05ce1c0b900673995a8f6680d09460136c62ccc5b79f9f8f904022c00a26a1cb2a25632b422774835c3a53af686e3de8022887d4ff77c77f4c3f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cac8535adc821f6d15a112c7c5b5722d
SHA1fb7cf759b6579cd0565e932f58c6579e1a239f5f
SHA2569d704f19dab3e06ea85d438e8d72fdaff821bdb6bc05f41c935c27ff03608654
SHA512b0723a48a61617f8da66c486a793937b044bde8740e61ab7484c5b49fda785436e112882b4161c9e442af31f64c80c25ca1e46bbbcf1f13b58dc29634258a8e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f8f072f246bd549ce56afacbada5924
SHA1ea2abcb8eda7cafa7bc3b0f5c611c282a263b3ac
SHA256d3fdfa2eb8b2a410de67fb66a4eb4efc5a767c5917fe12a4ef22280d86efe909
SHA51239b7888d1c01e93e5abb33a71361f5214a748e1f3a451671bb8ed9a0724c336be637ab6644a709bfe658e9fd2dd7a7dd6f783d6861c91c9ee614b005748e071a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8965d3d0ee0a67f128f9f2e2677849a
SHA15c937e2d8617fc6339c40b1568ff27e0a02b1298
SHA256652ec6efe0c14fc26175518f3b084a1819597a38094ef80c62bb951987a05ebf
SHA5126f04842e35a97da8e16cfc1f08f74d758cf24c886608b6bfc6353ad3387f8065caaa91f90e103db01d997411e9f2742f2e9ac2c7523187ce12432586bc04a1e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b730584786df98499384509f3bdb59be
SHA1e5a1f953dff75f0dba6beb56b658988e18a0eec9
SHA256cee19763306d9486a3063a4c8026b1ab35abb7951651dadfef0fd42fe0cd1570
SHA512b2b6248d1a12c728f12a3a7d9a9046cae7e281d5f14db43d1565e0a2df7680986cf110c6a441970cf653f736b8f5e12d555037dff3134db562d320d27efb46e3
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Filesize
4.1MB
MD5569149c1b2fe9c25ab3baab0a180a667
SHA1d34939dc6c27442b8f02372bb9a8ff7d3c9e0a6b
SHA256ae7134d737d3d37ea0baa8b48ca00c0ae8308cc5aaa00dfdf3e48e0df2bf3ea6
SHA5124aa63c5d16504e8ed7c66437b977624ef87dcbbc405ed6eb57680407e15a8220ca2012ae9ca2dd32d9b108060514b526c2fedbe07829ce7ebe70b4732082d7a4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec