Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 16:48
Static task
static1
Behavioral task
behavioral1
Sample
7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe
Resource
win10v2004-20240426-en
General
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Target
7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe
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Size
4.1MB
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MD5
cb9b8fff2f3d3cb6d7ada0c67d6c9113
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SHA1
1bd42d6fa3c2848dc55bf9ec10790eb2c9cbac76
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SHA256
7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb
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SHA512
84a5b003e060857d53d298227834b04ff6087199b0db0469ef1c5a9a85ec1989b6680b4eb045dc03d8e2bc2164e075d825e4f0a73795df368214620af46dc1a0
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPL:gX++d2b0aMbplZO0sFfSL
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4136-2-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/4136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4136-153-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4136-205-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/4136-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2344-212-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-253-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-266-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/5012-270-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4428 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5012 csrss.exe 2520 injector.exe 1484 windefender.exe 2820 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233fe-218.dat upx behavioral1/memory/1484-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2820-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1484-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2820-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2820-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2820-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe File created C:\Windows\rss\csrss.exe 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.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 1456 sc.exe -
pid Process 4552 powershell.exe 2916 powershell.exe 5052 powershell.exe 3272 powershell.exe 1992 powershell.exe 4600 powershell.exe 1208 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 4632 schtasks.exe 3480 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.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" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight 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\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1208 powershell.exe 1208 powershell.exe 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 4552 powershell.exe 4552 powershell.exe 4552 powershell.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 2916 powershell.exe 2916 powershell.exe 5052 powershell.exe 5052 powershell.exe 5052 powershell.exe 3272 powershell.exe 3272 powershell.exe 3272 powershell.exe 1992 powershell.exe 1992 powershell.exe 1992 powershell.exe 4600 powershell.exe 4600 powershell.exe 4600 powershell.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 5012 csrss.exe 5012 csrss.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 5012 csrss.exe 5012 csrss.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 5012 csrss.exe 5012 csrss.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe 2520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1208 powershell.exe Token: SeDebugPrivilege 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Token: SeImpersonatePrivilege 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeSystemEnvironmentPrivilege 5012 csrss.exe Token: SeSecurityPrivilege 1456 sc.exe Token: SeSecurityPrivilege 1456 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4136 wrote to memory of 1208 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 85 PID 4136 wrote to memory of 1208 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 85 PID 4136 wrote to memory of 1208 4136 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 85 PID 2344 wrote to memory of 4552 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 95 PID 2344 wrote to memory of 4552 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 95 PID 2344 wrote to memory of 4552 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 95 PID 2344 wrote to memory of 2868 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 99 PID 2344 wrote to memory of 2868 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 99 PID 2868 wrote to memory of 4428 2868 cmd.exe 101 PID 2868 wrote to memory of 4428 2868 cmd.exe 101 PID 2344 wrote to memory of 2916 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 102 PID 2344 wrote to memory of 2916 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 102 PID 2344 wrote to memory of 2916 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 102 PID 2344 wrote to memory of 5052 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 106 PID 2344 wrote to memory of 5052 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 106 PID 2344 wrote to memory of 5052 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 106 PID 2344 wrote to memory of 5012 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 108 PID 2344 wrote to memory of 5012 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 108 PID 2344 wrote to memory of 5012 2344 7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe 108 PID 5012 wrote to memory of 3272 5012 csrss.exe 109 PID 5012 wrote to memory of 3272 5012 csrss.exe 109 PID 5012 wrote to memory of 3272 5012 csrss.exe 109 PID 5012 wrote to memory of 1992 5012 csrss.exe 115 PID 5012 wrote to memory of 1992 5012 csrss.exe 115 PID 5012 wrote to memory of 1992 5012 csrss.exe 115 PID 5012 wrote to memory of 4600 5012 csrss.exe 117 PID 5012 wrote to memory of 4600 5012 csrss.exe 117 PID 5012 wrote to memory of 4600 5012 csrss.exe 117 PID 5012 wrote to memory of 2520 5012 csrss.exe 119 PID 5012 wrote to memory of 2520 5012 csrss.exe 119 PID 1484 wrote to memory of 2044 1484 windefender.exe 125 PID 1484 wrote to memory of 2044 1484 windefender.exe 125 PID 1484 wrote to memory of 2044 1484 windefender.exe 125 PID 2044 wrote to memory of 1456 2044 cmd.exe 126 PID 2044 wrote to memory of 1456 2044 cmd.exe 126 PID 2044 wrote to memory of 1456 2044 cmd.exe 126 -
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\7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe"C:\Users\Admin\AppData\Local\Temp\7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208
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C:\Users\Admin\AppData\Local\Temp\7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.exe"C:\Users\Admin\AppData\Local\Temp\7ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb.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:2344 -
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:4552
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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:2868 -
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:4428
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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:2916
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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:5052
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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:5012 -
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:3272
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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:4632
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1916
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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:1992
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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:4600
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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:2520
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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:3480
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1484 -
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:2044 -
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:1456
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2820
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a07b8c26a4bdaaf1b5334371c5a9b68
SHA197fb54ddb0d41edb68ce0ae79e05cf9ae1c0e02a
SHA2565ccc04782c91b39229062d1c56dc6d1beab226cc7ff381c99f0cfd9f4fc4773d
SHA51233117abd010bb47181cd1a8674cf0c43ef43c1fb81105fb7c0fda1a31c52685b373caf19cd1bb400ec1d64b95b19964aae6a8f087149a9644c935b6952b6aac4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d9d0f74de375d3abf9431bb6601ab48
SHA11969db19f4ff7e70ba7a35a56d1650b27cf45be4
SHA2566c294c6c558f8845adbfb12e8e579b43fe6a5aac9d33c9ebab82f725cd5c3e8f
SHA512a54d3e211b3cc43e2601fa33544510e022fb4c787c6edcff4ce7afd77c5be39fac25fc231a72ac62713b71f3629af140a01f4077dad7f7b72f5a85c9352c8e70
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c47ee3b43ee597caf1f5c9f440f163c2
SHA1ab30210a34be308b3927c35123f496165a51f156
SHA2561273785bdee4211997849eebfa5a8b67e54b854b2c27f83150ae7097a0dc47ac
SHA512a225bb65df7b423f7d8a81f1ad3a18d885ef7d866d5b811abebb024427a9780990290f4a95077142589cde3f41138c6946f17837f126c7b2e99ec85500907fc0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e6428ac8c7c1b4bf9676f8a669f704a
SHA1c1604ca86b69880596b35ef5ca3367e64fb8c1d0
SHA2568df07ce310c3b055dd539dbcbe98195398c153fad09ebb79dc7dfff4d7d5ec16
SHA512579f7b72643434f6a6a4dbae4f3ed8898d869fa8da9832b8449bccf95b92bdcf602ef743cd9abd6ffdfe8cc96fc8f40b69926e03c267de50b3771bc635cb0b52
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cbd2269190218a707f4b52983766c59
SHA1e87d717ce8b899781e43c42bfbf4517ce4958436
SHA25602245711feaa6b293f75cf4e4e5453ce9f6d756a66e615b72efd027304b04200
SHA512fee48ffa5ffc8fc356ec09bcf96a8bf780379735d04d5562a2639653a8ec8f21bc9c645b7ab7edb37bb895d0c8f2bd501806acbbde7def146b150c70a37dede4
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Filesize
4.1MB
MD5cb9b8fff2f3d3cb6d7ada0c67d6c9113
SHA11bd42d6fa3c2848dc55bf9ec10790eb2c9cbac76
SHA2567ed717181a44c89c037492cf262cbc2f9147f379eedec5c802b5197f033daefb
SHA51284a5b003e060857d53d298227834b04ff6087199b0db0469ef1c5a9a85ec1989b6680b4eb045dc03d8e2bc2164e075d825e4f0a73795df368214620af46dc1a0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec