Analysis
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max time kernel
150s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 23:26
Static task
static1
Behavioral task
behavioral1
Sample
713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe
Resource
win10v2004-20240508-en
General
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Target
713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe
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Size
4.1MB
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MD5
c44d452152ee1edee32b4d7d2971891a
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SHA1
4f5e19a12ead6b79650289a79b17e7a9c19038fe
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SHA256
713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c
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SHA512
14be10cfbc5ae892ff601094916e4662f0431ba8404b14d3dc47b645cf6787a3adb6bf124c59afec7324251b69346ad4af99536ef6213df89d00e6ef5f73c6d8
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SSDEEP
98304:M5F+nFI194d8xDLyYFk+gzZXOgOWlqkztMJMxooBbbf5V:M5FCFjdsEzoBMnaJtot5V
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/2720-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/2720-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2720-4-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/2720-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2720-58-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/2720-56-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1332-118-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/1332-138-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-235-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-237-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-240-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4608-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3932 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4608 csrss.exe 3772 injector.exe 820 windefender.exe 4412 windefender.exe -
resource yara_rule behavioral1/files/0x000b000000023378-225.dat upx behavioral1/memory/820-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/820-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe File created C:\Windows\rss\csrss.exe 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe File created 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 4284 sc.exe -
pid Process 4288 powershell.exe 3776 powershell.exe 2208 powershell.exe 2996 powershell.exe 4172 powershell.exe 4876 powershell.exe 868 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 760 schtasks.exe 3776 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.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\2a\52C64B7E\@tzres.dll,-392 = "Arab 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\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.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" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.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\@tzres.dll,-2161 = "Altai Daylight 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" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight 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,-2611 = "Bougainville Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4288 powershell.exe 4288 powershell.exe 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 3776 powershell.exe 3776 powershell.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 2208 powershell.exe 2208 powershell.exe 2996 powershell.exe 2996 powershell.exe 4172 powershell.exe 4172 powershell.exe 4876 powershell.exe 4876 powershell.exe 868 powershell.exe 868 powershell.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 4608 csrss.exe 4608 csrss.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 4608 csrss.exe 4608 csrss.exe 3772 injector.exe 3772 injector.exe 4608 csrss.exe 4608 csrss.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe 3772 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Token: SeImpersonatePrivilege 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe Token: SeDebugPrivilege 3776 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 868 powershell.exe Token: SeSystemEnvironmentPrivilege 4608 csrss.exe Token: SeSecurityPrivilege 4284 sc.exe Token: SeSecurityPrivilege 4284 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2720 wrote to memory of 4288 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 86 PID 2720 wrote to memory of 4288 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 86 PID 2720 wrote to memory of 4288 2720 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 86 PID 1332 wrote to memory of 3776 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 95 PID 1332 wrote to memory of 3776 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 95 PID 1332 wrote to memory of 3776 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 95 PID 1332 wrote to memory of 1772 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 97 PID 1332 wrote to memory of 1772 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 97 PID 1772 wrote to memory of 3932 1772 cmd.exe 99 PID 1772 wrote to memory of 3932 1772 cmd.exe 99 PID 1332 wrote to memory of 2208 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 100 PID 1332 wrote to memory of 2208 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 100 PID 1332 wrote to memory of 2208 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 100 PID 1332 wrote to memory of 2996 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 102 PID 1332 wrote to memory of 2996 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 102 PID 1332 wrote to memory of 2996 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 102 PID 1332 wrote to memory of 4608 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 104 PID 1332 wrote to memory of 4608 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 104 PID 1332 wrote to memory of 4608 1332 713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe 104 PID 4608 wrote to memory of 4172 4608 csrss.exe 105 PID 4608 wrote to memory of 4172 4608 csrss.exe 105 PID 4608 wrote to memory of 4172 4608 csrss.exe 105 PID 4608 wrote to memory of 4876 4608 csrss.exe 111 PID 4608 wrote to memory of 4876 4608 csrss.exe 111 PID 4608 wrote to memory of 4876 4608 csrss.exe 111 PID 4608 wrote to memory of 868 4608 csrss.exe 114 PID 4608 wrote to memory of 868 4608 csrss.exe 114 PID 4608 wrote to memory of 868 4608 csrss.exe 114 PID 4608 wrote to memory of 3772 4608 csrss.exe 116 PID 4608 wrote to memory of 3772 4608 csrss.exe 116 PID 820 wrote to memory of 2864 820 windefender.exe 122 PID 820 wrote to memory of 2864 820 windefender.exe 122 PID 820 wrote to memory of 2864 820 windefender.exe 122 PID 2864 wrote to memory of 4284 2864 cmd.exe 123 PID 2864 wrote to memory of 4284 2864 cmd.exe 123 PID 2864 wrote to memory of 4284 2864 cmd.exe 123 -
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\713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe"C:\Users\Admin\AppData\Local\Temp\713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
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C:\Users\Admin\AppData\Local\Temp\713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.exe"C:\Users\Admin\AppData\Local\Temp\713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c.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:1332 -
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:3776
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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:1772 -
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:3932
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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:2208
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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:2996
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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:4608 -
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:4172
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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:760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3120
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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:4876
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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:868
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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:3772
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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:3776
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:820 -
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:2864 -
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:4284
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4412
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504640c2eb02cbbef7c730ba2916ad2a7
SHA1b4bad476cfc0a089b3ef6a09382b9b2722f6632b
SHA256c2ad64285c6f60be5a9a3ecbeddc95c91fa39a2967df3b2512f38aed92dfe97e
SHA5124aea73d5e5c433fbb8ffb98933b1642ffa14c77f3db89562725ddd0449db6881378d064b074cfa4a3da5170c49aa37f2f1960eed771d26d74f3483500c12f0ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554ef8da8578783cbaf0409c559f9ee39
SHA1c2ef78be3ab4e0ceb817a26ee5591243d62b03fd
SHA256e3e561ef6fc375e8188f8dc03fa578afc48eb79c3fb41748c413d90aa01fd92f
SHA5126743925519f0a5855216140fc427998c7cffb627e66434e0169d922b37125accca00efe14ee088732418773311a441754423bf94c1bae07206506a6d546bbd51
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ca63ae5cc98db350f478199847b3234
SHA11f33afae60352b788f78597eea1c79742920bea3
SHA256b95bb841b1a52e64e563a2d10f7023611961c1f0e66b4bdc57324bfaa8adac2b
SHA512663808ef9c46e86062868394f1a7e0f9ffae8247a2d3bb8af1b637c9eb33cea3ceaaa5d0c780994a8869024b0e349eb7af0101cf139a0d60d773554435c44974
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5113704944ef36e810097b4ccd086c9c7
SHA1a302502ff415a46611722f2762ed63537dfa8748
SHA256f6c3cec200cba49ccaf461d828a280d726b7f4a0a632fc6a1e3e5bee21e754be
SHA512239c3a2608ed188d3b2c6499972b5f78585398184d2357b6b199bd0c8dd404afe6361950e7130229df40d2813136d72fda944284b6ff64c84d3bd84f519dcc21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2d08eab286ed6d72c330f6861eba32e
SHA138a9177e410b32303f47f71fd3b43d253d254907
SHA256c7cfdcb85e912d306d797036ffb07d80858f2a8084422a0ccc7aba41d3609098
SHA51247116b7937095c57d88287320236139d57e587fff7402bd8a1efa77b36789001090dba4743d5291dcaccc05faa2203b582a40656f86b81cf6c37b2dbcff1b635
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Filesize
4.1MB
MD5c44d452152ee1edee32b4d7d2971891a
SHA14f5e19a12ead6b79650289a79b17e7a9c19038fe
SHA256713b880f9a9d680405f6fab5592f672e3ebe3718c770ed5a642506302db1e80c
SHA51214be10cfbc5ae892ff601094916e4662f0431ba8404b14d3dc47b645cf6787a3adb6bf124c59afec7324251b69346ad4af99536ef6213df89d00e6ef5f73c6d8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec