Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 19:52
Static task
static1
Behavioral task
behavioral1
Sample
4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe
Resource
win10v2004-20240508-en
General
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Target
4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe
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Size
4.1MB
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MD5
64baf1945cfa9467a64fb42af64c0bba
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SHA1
126a80797c2d701287ca44e2c5bb33849ad44df5
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SHA256
4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352
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SHA512
0623095331a3a88105400107601c9eecd9b97b8c03ded8f431ed891c143c6fa76ec743501925d4b8ce55a89de189a656b19180f0a2f66a57288eae5e0a3a05b8
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SSDEEP
49152:lKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwH:l1wCr5kG+hEArjFEeNSldQg15xmhH
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1216-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/1216-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1216-74-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/1216-98-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1216-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3612-124-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-199-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3356-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3356 csrss.exe 1880 injector.exe 5044 windefender.exe 2548 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3a-203.dat upx behavioral2/memory/5044-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2548-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5044-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2548-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2548-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 -
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 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe File created C:\Windows\rss\csrss.exe 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.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 1800 sc.exe -
pid Process 3100 powershell.exe 1808 powershell.exe 1740 powershell.exe 956 powershell.exe 3228 powershell.exe 3028 powershell.exe 240 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 1556 schtasks.exe 2156 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\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-71 = "Newfoundland Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.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,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe 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,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.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" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1808 powershell.exe 1808 powershell.exe 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 1740 powershell.exe 1740 powershell.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 956 powershell.exe 956 powershell.exe 3228 powershell.exe 3228 powershell.exe 3028 powershell.exe 3028 powershell.exe 240 powershell.exe 240 powershell.exe 3100 powershell.exe 3100 powershell.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3356 csrss.exe 3356 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3356 csrss.exe 3356 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 3356 csrss.exe 3356 csrss.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe 1880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Token: SeImpersonatePrivilege 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 3100 powershell.exe Token: SeSystemEnvironmentPrivilege 3356 csrss.exe Token: SeSecurityPrivilege 1800 sc.exe Token: SeSecurityPrivilege 1800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1216 wrote to memory of 1808 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 81 PID 1216 wrote to memory of 1808 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 81 PID 1216 wrote to memory of 1808 1216 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 81 PID 3612 wrote to memory of 1740 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 86 PID 3612 wrote to memory of 1740 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 86 PID 3612 wrote to memory of 1740 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 86 PID 3612 wrote to memory of 4464 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 88 PID 3612 wrote to memory of 4464 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 88 PID 4464 wrote to memory of 2476 4464 cmd.exe 90 PID 4464 wrote to memory of 2476 4464 cmd.exe 90 PID 3612 wrote to memory of 956 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 91 PID 3612 wrote to memory of 956 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 91 PID 3612 wrote to memory of 956 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 91 PID 3612 wrote to memory of 3228 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 93 PID 3612 wrote to memory of 3228 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 93 PID 3612 wrote to memory of 3228 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 93 PID 3612 wrote to memory of 3356 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 95 PID 3612 wrote to memory of 3356 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 95 PID 3612 wrote to memory of 3356 3612 4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe 95 PID 3356 wrote to memory of 3028 3356 csrss.exe 96 PID 3356 wrote to memory of 3028 3356 csrss.exe 96 PID 3356 wrote to memory of 3028 3356 csrss.exe 96 PID 3356 wrote to memory of 240 3356 csrss.exe 102 PID 3356 wrote to memory of 240 3356 csrss.exe 102 PID 3356 wrote to memory of 240 3356 csrss.exe 102 PID 3356 wrote to memory of 3100 3356 csrss.exe 104 PID 3356 wrote to memory of 3100 3356 csrss.exe 104 PID 3356 wrote to memory of 3100 3356 csrss.exe 104 PID 3356 wrote to memory of 1880 3356 csrss.exe 106 PID 3356 wrote to memory of 1880 3356 csrss.exe 106 PID 5044 wrote to memory of 3984 5044 windefender.exe 112 PID 5044 wrote to memory of 3984 5044 windefender.exe 112 PID 5044 wrote to memory of 3984 5044 windefender.exe 112 PID 3984 wrote to memory of 1800 3984 cmd.exe 113 PID 3984 wrote to memory of 1800 3984 cmd.exe 113 PID 3984 wrote to memory of 1800 3984 cmd.exe 113 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe"C:\Users\Admin\AppData\Local\Temp\4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1808
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C:\Users\Admin\AppData\Local\Temp\4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.exe"C:\Users\Admin\AppData\Local\Temp\4c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352.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:3612 -
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:1740
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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:4464 -
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:2476
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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:956
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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:3228
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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:3356 -
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:3028
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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:1556
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4644
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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:240
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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:3100
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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:1880
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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:2156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5044 -
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:3984 -
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:1800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2548
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
MD5b87dcfd6ab72b047184e8ac1b74f9fd1
SHA1d76cdac18debebcdac404975af16e3dc1c86949e
SHA256b234291c185eccb4c0847adb14cd714247cc867d9655db0df8c8dc7d742a862b
SHA512e75914d7d6b780fee460df47077e9ae7f37b93e5efd73c973982fd446be45f69872afc4355d41089ddcf0ccff1017c0e51bd15c14356fae87401a4e4a5f30066
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555d8a11641e4ab7dba6f09e48582d846
SHA191e664d89482fe27e2ea0cafa3637c7996d4753d
SHA256ab1f60ecec33ee0140256b237bc1bdeab8d314e9cdc6fc0e35eb50cdda42ebae
SHA512c666188a9497a2caf00dbc2993b643ddf5e0ecb9c224d7c32ac79a1e61df6de80afa0cfa6d616e2dbf243799a2ae19d99fc6b346b48e92be0b41ee74a0e2725b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e244fc88ee8347a3795fc32e7dcb742
SHA1abc3b6a5b2c61a0da6b07d548a7bb356dcdd3192
SHA256cc0d2add4e91d5f5f94bac7727bd90a9de4b633bca0ae081276ca5b87fdac313
SHA512ff43eb648c78b2885da519e62e0f8a0ff54d44f984ff2b68193a88d27ad47c860fdff4b332a07d7013ec01cb446803c5ae6865697a7479166a561246da32a34f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5330c615b3cf505590d6d4cfb821850a6
SHA11341054b982541d619b1edd994d304a71b345ba1
SHA256959d6fe68ec70667888edd31320f24027bcef699bc150d9beac71fc35690dc52
SHA512a549e34d91d4b2650c37630748e4099af381fa59ee10cc5d773ea071e0d14ab4c83a2f147589e3efbe35e4370246de160e88bdd775a6e24764d1e63b19f086cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e72975801a129d6155aebaf9b21fb5a7
SHA1abf77a9bba1674d0b245bc19b3f8426a449bf6d1
SHA256d8a68cdf430137dd33218de94211fac9da31c36dfef6a7e82e54e396030efb49
SHA512117e3c053fbedd7cbc1b0d4ce1bd1fbd7dc030e0410fc0b6fe547772afd76a837bf9cf78b51128682649c780aa6b91c5e5a282fc07d433204bdca04422e05a97
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Filesize
4.1MB
MD564baf1945cfa9467a64fb42af64c0bba
SHA1126a80797c2d701287ca44e2c5bb33849ad44df5
SHA2564c46bd3e93e48193d018ff88373a955d824456f16f4ec8e048ca66de71354352
SHA5120623095331a3a88105400107601c9eecd9b97b8c03ded8f431ed891c143c6fa76ec743501925d4b8ce55a89de189a656b19180f0a2f66a57288eae5e0a3a05b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec