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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/04/2024, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe
Resource
win10v2004-20240319-en
General
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Target
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe
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Size
4.1MB
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MD5
db4d85ae51687b913b4b0200c65c8859
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SHA1
529ac2b2159c29a2512f9adfcee356f9f726e62e
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SHA256
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e
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SHA512
131aca16fef48aab8103bbf07aa354076d8cbe57e82e5c8a65279e296d083ca508cd7328f91fd1f5e95728fc5b4419d246fbd96bce4a0ad9786d976ce2261cbd
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SSDEEP
98304:3ZTJtvrSQI+RdfgxNOWs+luvBV3Kjpf8MTPWtsil5w:pVJ5f9clKG+MTut9o
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral2/memory/1068-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/1068-3-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1068-25-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/1068-53-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/1068-54-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4412-57-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4412-89-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4412-100-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4412-117-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4412-150-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-214-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-248-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-257-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-258-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-261-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/2164-263-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1936 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2164 csrss.exe 1428 injector.exe 2644 windefender.exe 2928 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7f0-251.dat upx behavioral2/memory/2644-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2928-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1540 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1516 1068 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4416 schtasks.exe 3812 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2360 powershell.exe 2360 powershell.exe 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2120 powershell.exe 2120 powershell.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 3008 powershell.exe 3008 powershell.exe 3272 powershell.exe 3272 powershell.exe 1912 powershell.exe 1912 powershell.exe 1556 powershell.exe 1556 powershell.exe 4248 powershell.exe 4248 powershell.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 2164 csrss.exe 2164 csrss.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 2164 csrss.exe 2164 csrss.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 2164 csrss.exe 2164 csrss.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe 1428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Token: SeImpersonatePrivilege 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeSystemEnvironmentPrivilege 2164 csrss.exe Token: SeSecurityPrivilege 1540 sc.exe Token: SeSecurityPrivilege 1540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1068 wrote to memory of 2360 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 81 PID 1068 wrote to memory of 2360 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 81 PID 1068 wrote to memory of 2360 1068 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 81 PID 4412 wrote to memory of 2120 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 89 PID 4412 wrote to memory of 2120 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 89 PID 4412 wrote to memory of 2120 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 89 PID 4412 wrote to memory of 636 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 91 PID 4412 wrote to memory of 636 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 91 PID 636 wrote to memory of 1936 636 cmd.exe 93 PID 636 wrote to memory of 1936 636 cmd.exe 93 PID 4412 wrote to memory of 3008 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 94 PID 4412 wrote to memory of 3008 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 94 PID 4412 wrote to memory of 3008 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 94 PID 4412 wrote to memory of 3272 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 96 PID 4412 wrote to memory of 3272 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 96 PID 4412 wrote to memory of 3272 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 96 PID 4412 wrote to memory of 2164 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 98 PID 4412 wrote to memory of 2164 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 98 PID 4412 wrote to memory of 2164 4412 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 98 PID 2164 wrote to memory of 1912 2164 csrss.exe 99 PID 2164 wrote to memory of 1912 2164 csrss.exe 99 PID 2164 wrote to memory of 1912 2164 csrss.exe 99 PID 2164 wrote to memory of 1556 2164 csrss.exe 105 PID 2164 wrote to memory of 1556 2164 csrss.exe 105 PID 2164 wrote to memory of 1556 2164 csrss.exe 105 PID 2164 wrote to memory of 4248 2164 csrss.exe 107 PID 2164 wrote to memory of 4248 2164 csrss.exe 107 PID 2164 wrote to memory of 4248 2164 csrss.exe 107 PID 2164 wrote to memory of 1428 2164 csrss.exe 109 PID 2164 wrote to memory of 1428 2164 csrss.exe 109 PID 2644 wrote to memory of 4300 2644 windefender.exe 115 PID 2644 wrote to memory of 4300 2644 windefender.exe 115 PID 2644 wrote to memory of 4300 2644 windefender.exe 115 PID 4300 wrote to memory of 1540 4300 cmd.exe 116 PID 4300 wrote to memory of 1540 4300 cmd.exe 116 PID 4300 wrote to memory of 1540 4300 cmd.exe 116 -
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\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360
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C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.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:4412 -
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:2120
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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:636 -
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:1936
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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:3008
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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:3272
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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:2164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912
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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:4416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1060
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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:1556
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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:4248
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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:1428
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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:3812
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2644 -
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:4300 -
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:1540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 9882⤵
- Program crash
PID:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1068 -ip 10681⤵PID:4780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2928
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
MD5d1d33f4b68ea52336f749c054991872b
SHA13b9d994970a1578232a88f450a706f3e9a4c9bf8
SHA256056b70b679be658de27e7ba0f6438953bf854c57921e5cb5f5b2681effbeadaa
SHA51239128e318c14398f395439f23773041ae100ae62715b9068247d7acf07225dad12a69791ec4692718906066af1ebf69f7dad8ac5f606b2b36a461f05c4bd8493
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57f938c6d37db4ef13bdf367626c17cf9
SHA16c5c701fda0167a76dc31c736b331465f337332b
SHA256ccd9df99d4b23769bdd147ebc44edcfd898d16c3f2a7338340dbafad3672f2d7
SHA51242ff203f6a343e06f55569909f114e18f41f07000c2774384e04cfc46fe9f0938f7cd5a0e8e8862d245ef172818f50e10dcbfcf11b1e935399485ce5669ece1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5a5fa5ff223c596272b38209da23543
SHA17ffa1719073a9e2c1ef0627d5af7b014b34e4096
SHA256cf041810fcd557f7b4eb271ebbb0b88a5792ad76874966b471838bb40433f271
SHA5124126c035934239c2d806d8e161f0998882dabeb992105c3bdaaa363509ca391606d65bac643c43ad0b76b8b52bfd797e88d8a9cb6ba39342fe259cef2d96dc9a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1c65076e4352b1c8351ac06801305f5
SHA1ce71b1468b65dfdd15173e808a574ab96b679ac3
SHA25611021934445913b978423bed3a48ccc59d54064fe21003bfbef506083bd5accb
SHA5124411730623c8732fae62c7970e3e87c20b051bfdd20a00249d926660d7b8b982088e273a0634895b43cda2cbfae890d8889c95bacc6e48ec026cc02826682d0a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8508ee6421314586555c5815e8d815d
SHA10b4bad3be7eda4d269a8decb9a14740e275e3acb
SHA2566caae40dd8937001075fe73efe9d74adee0ea3ca7a5aed2f384ead603209ded7
SHA5126cdd1d26d4432222dc70f3c17dfd438f8994d213ead008f173c492a1440601f8ad4c2938930d1d1c60489332934c392a28f012876120988a16d8f9d8cbf6360a
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Filesize
4.1MB
MD5db4d85ae51687b913b4b0200c65c8859
SHA1529ac2b2159c29a2512f9adfcee356f9f726e62e
SHA2567a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e
SHA512131aca16fef48aab8103bbf07aa354076d8cbe57e82e5c8a65279e296d083ca508cd7328f91fd1f5e95728fc5b4419d246fbd96bce4a0ad9786d976ce2261cbd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec