Analysis
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max time kernel
149s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:48
Static task
static1
Behavioral task
behavioral1
Sample
bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe
Resource
win10v2004-20240226-en
General
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Target
bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe
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Size
4.1MB
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MD5
358379e5bce157a6934e9f8f8e0492ce
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SHA1
50ff339e718ade542ef6640a63dc2356e196856b
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SHA256
bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5
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SHA512
377f2adf516b9ce763d5f69cbf72650b7419d95d9410b7e82aabf4971e246fd76c05c2505ceb086251e223c102bd486c30bc19abfcb5341b8db2f8dd17a8b3c8
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SSDEEP
98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKU3:BqqJgO7W9SnJ3gf8jHXKw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4412-2-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral1/memory/4412-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4412-4-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-18-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-25-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral1/memory/4412-28-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4412-34-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-53-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4412-74-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3104-115-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3104-156-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-171-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5000-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2712 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5000 csrss.exe 4300 injector.exe 4440 windefender.exe 3916 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000070d-233.dat upx behavioral1/memory/4440-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3916-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4440-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3916-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3916-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe File created C:\Windows\rss\csrss.exe bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 540 sc.exe -
pid Process 3912 powershell.exe 4536 powershell.exe 4152 powershell.exe 1708 powershell.exe 1796 powershell.exe 4304 powershell.exe 5072 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 3812 schtasks.exe 632 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia 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" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4152 powershell.exe 4152 powershell.exe 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 1708 powershell.exe 1708 powershell.exe 1708 powershell.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 1796 powershell.exe 1796 powershell.exe 1796 powershell.exe 4304 powershell.exe 4304 powershell.exe 4304 powershell.exe 5072 powershell.exe 5072 powershell.exe 5072 powershell.exe 3912 powershell.exe 3912 powershell.exe 3912 powershell.exe 4536 powershell.exe 4536 powershell.exe 4536 powershell.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 5000 csrss.exe 5000 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 5000 csrss.exe 5000 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 5000 csrss.exe 5000 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Token: SeImpersonatePrivilege 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 1796 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeSystemEnvironmentPrivilege 5000 csrss.exe Token: SeSecurityPrivilege 540 sc.exe Token: SeSecurityPrivilege 540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4412 wrote to memory of 4152 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 92 PID 4412 wrote to memory of 4152 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 92 PID 4412 wrote to memory of 4152 4412 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 92 PID 3104 wrote to memory of 1708 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 104 PID 3104 wrote to memory of 1708 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 104 PID 3104 wrote to memory of 1708 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 104 PID 3104 wrote to memory of 1128 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 106 PID 3104 wrote to memory of 1128 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 106 PID 1128 wrote to memory of 2712 1128 cmd.exe 120 PID 1128 wrote to memory of 2712 1128 cmd.exe 120 PID 3104 wrote to memory of 1796 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 109 PID 3104 wrote to memory of 1796 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 109 PID 3104 wrote to memory of 1796 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 109 PID 3104 wrote to memory of 4304 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 111 PID 3104 wrote to memory of 4304 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 111 PID 3104 wrote to memory of 4304 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 111 PID 3104 wrote to memory of 5000 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 113 PID 3104 wrote to memory of 5000 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 113 PID 3104 wrote to memory of 5000 3104 bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe 113 PID 5000 wrote to memory of 5072 5000 csrss.exe 114 PID 5000 wrote to memory of 5072 5000 csrss.exe 114 PID 5000 wrote to memory of 5072 5000 csrss.exe 114 PID 5000 wrote to memory of 3912 5000 csrss.exe 119 PID 5000 wrote to memory of 3912 5000 csrss.exe 119 PID 5000 wrote to memory of 3912 5000 csrss.exe 119 PID 5000 wrote to memory of 4536 5000 csrss.exe 122 PID 5000 wrote to memory of 4536 5000 csrss.exe 122 PID 5000 wrote to memory of 4536 5000 csrss.exe 122 PID 5000 wrote to memory of 4300 5000 csrss.exe 124 PID 5000 wrote to memory of 4300 5000 csrss.exe 124 PID 4440 wrote to memory of 4256 4440 windefender.exe 130 PID 4440 wrote to memory of 4256 4440 windefender.exe 130 PID 4440 wrote to memory of 4256 4440 windefender.exe 130 PID 4256 wrote to memory of 540 4256 cmd.exe 131 PID 4256 wrote to memory of 540 4256 cmd.exe 131 PID 4256 wrote to memory of 540 4256 cmd.exe 131 -
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\bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe"C:\Users\Admin\AppData\Local\Temp\bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Users\Admin\AppData\Local\Temp\bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.exe"C:\Users\Admin\AppData\Local\Temp\bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5.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:3104 -
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:1708
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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:1128 -
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:2712
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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:1796
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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:4304
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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:5000 -
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:5072
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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\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4996
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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:3912 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2712
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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:4536
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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:4300
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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:632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4440 -
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:4256 -
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:540
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4912 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:2064
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3916
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
MD5d086b1f721e3704f93a1fa9a5c569579
SHA1980798e10c60b781a5f3b3eca9773fcfee5920ea
SHA256ecaa5fac85fccabeb8917637b48fec0baf80a322c9ae75e8ecce4f86c88fd94c
SHA512f6c7a76ef3b09b58d722e30555a193c5902d960dbf0145c26a0f3ce6e7f6776d50bcad72602b66346d3c5dc26616b572e9aedcfb2b911923e532be08d2348b5d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50758929a588ceb50cc909fcc97341853
SHA1416e434f41773c73578461507265cb032bf09300
SHA256ff6f9c194d923402f04cea2b296d6f743565e4579b50683066d4f80a088d0e7e
SHA512ca29f6c746f6ba27055751e1ab338493d1fb4fa047cafe838080833f82c5aca1b97fb84829a1474bb364d1607bb6459f73c49e0f6bba87c32026c6b1060abb17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5829f542b0c98d4f3ff8622d45f94566e
SHA15192b4cccd84207c0c5c5f41d4b506c084018b29
SHA25633dd8f4cdda05d17e3ce2181d95b5f25912b3aa32d30d09bcab7a5769f03e3f4
SHA51214006ec4b13b7eec4f0fe0030cfc6dfffa2245f59fc9da2fee7cc3b60a07d970fd331b17ae41da2e8bb559dbad5fede506b8096cb1d140d81e1f103949172916
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5594badbaaed47d53297e3ee6fd3e264e
SHA14826312ac47979888d02a72aec233ff06177c999
SHA2565fe9e046c0192c74792d030c6316bdbc3e8140c8707614dc49280879aba224ae
SHA5128388f5d64f09c347610fc8dedc1e0d1a503a0d5ba59a0d58e0d93d57f3aa6173a40f4a4397c438f063d293a6d08e8a2bd4eae85097833f465ea149696ef8130b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5029e10672aa20d889c2bc6575516cfc8
SHA15d4d59341315ae3019b395c812af8fb8ef3f8aa2
SHA2566085be321f9f338e8985e8a1f14307617f8e57226ae079e405aa8392a17a95bf
SHA512f0a9f5fee3bda4b0b66319cdc441a28b9ed6092b2ee41599259774fe55ee7f2d62c8433480b06846886cee09d0a537f88f67f0da6e7002cd5f24ea7c942a2816
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Filesize
4.1MB
MD5358379e5bce157a6934e9f8f8e0492ce
SHA150ff339e718ade542ef6640a63dc2356e196856b
SHA256bf9ff97396f3799e1827f93ee6f5dc4bedae6d51ef87f8b06c7708f49b6534b5
SHA512377f2adf516b9ce763d5f69cbf72650b7419d95d9410b7e82aabf4971e246fd76c05c2505ceb086251e223c102bd486c30bc19abfcb5341b8db2f8dd17a8b3c8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec