Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 15:39
Static task
static1
Behavioral task
behavioral1
Sample
e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe
Resource
win10v2004-20240426-en
General
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Target
e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe
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Size
4.1MB
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MD5
82051323ddcadfb02f5c35316c771e8f
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SHA1
5943d435a571ea5d3a3cfb108a3784f3b377a645
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SHA256
e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45
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SHA512
1c9cb99a172a677eb27c9af113138e4eca1a14e557269ba889261666ec59b56568a55dc22d1ce483f2b199dc3628a97e57cf4109a815b9e2799e8490f55e6a93
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SSDEEP
49152:KFHjWOXMS9cl73TW4F7CigoH4vE0j/gZI9yVcR+W62NZfYFwnO0lzL3OOHbQBqFl:KFDbcVB3TFxHH43Ma9n+52NVhL/oBqq6
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4268-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/4268-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4268-37-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/4268-53-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/4268-51-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/4268-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3776-77-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/3776-127-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-198-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-208-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-217-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-221-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-226-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-230-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-234-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-237-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-242-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba behavioral2/memory/836-246-0x0000000000400000-0x0000000002ED7000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2016 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 836 csrss.exe 224 injector.exe 3684 windefender.exe 2148 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa9a-207.dat upx behavioral2/memory/3684-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2148-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2148-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2148-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe File created C:\Windows\rss\csrss.exe e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.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 4904 sc.exe -
pid Process 3096 powershell.exe 4172 powershell.exe 4604 powershell.exe 960 powershell.exe 4668 powershell.exe 4496 powershell.exe 3272 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 468 schtasks.exe 4948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-272 = "Greenwich Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome 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" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4604 powershell.exe 4604 powershell.exe 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 960 powershell.exe 960 powershell.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 4668 powershell.exe 4668 powershell.exe 4496 powershell.exe 4496 powershell.exe 3272 powershell.exe 3272 powershell.exe 3096 powershell.exe 3096 powershell.exe 4172 powershell.exe 4172 powershell.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 836 csrss.exe 836 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 836 csrss.exe 836 csrss.exe 224 injector.exe 224 injector.exe 836 csrss.exe 836 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Token: SeImpersonatePrivilege 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe Token: SeDebugPrivilege 960 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeSystemEnvironmentPrivilege 836 csrss.exe Token: SeSecurityPrivilege 4904 sc.exe Token: SeSecurityPrivilege 4904 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4268 wrote to memory of 4604 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 86 PID 4268 wrote to memory of 4604 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 86 PID 4268 wrote to memory of 4604 4268 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 86 PID 3776 wrote to memory of 960 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 91 PID 3776 wrote to memory of 960 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 91 PID 3776 wrote to memory of 960 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 91 PID 3776 wrote to memory of 2244 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 93 PID 3776 wrote to memory of 2244 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 93 PID 2244 wrote to memory of 2016 2244 cmd.exe 95 PID 2244 wrote to memory of 2016 2244 cmd.exe 95 PID 3776 wrote to memory of 4668 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 96 PID 3776 wrote to memory of 4668 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 96 PID 3776 wrote to memory of 4668 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 96 PID 3776 wrote to memory of 4496 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 98 PID 3776 wrote to memory of 4496 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 98 PID 3776 wrote to memory of 4496 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 98 PID 3776 wrote to memory of 836 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 101 PID 3776 wrote to memory of 836 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 101 PID 3776 wrote to memory of 836 3776 e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe 101 PID 836 wrote to memory of 3272 836 csrss.exe 102 PID 836 wrote to memory of 3272 836 csrss.exe 102 PID 836 wrote to memory of 3272 836 csrss.exe 102 PID 836 wrote to memory of 3096 836 csrss.exe 108 PID 836 wrote to memory of 3096 836 csrss.exe 108 PID 836 wrote to memory of 3096 836 csrss.exe 108 PID 836 wrote to memory of 4172 836 csrss.exe 110 PID 836 wrote to memory of 4172 836 csrss.exe 110 PID 836 wrote to memory of 4172 836 csrss.exe 110 PID 836 wrote to memory of 224 836 csrss.exe 112 PID 836 wrote to memory of 224 836 csrss.exe 112 PID 3684 wrote to memory of 3088 3684 windefender.exe 118 PID 3684 wrote to memory of 3088 3684 windefender.exe 118 PID 3684 wrote to memory of 3088 3684 windefender.exe 118 PID 3088 wrote to memory of 4904 3088 cmd.exe 119 PID 3088 wrote to memory of 4904 3088 cmd.exe 119 PID 3088 wrote to memory of 4904 3088 cmd.exe 119 -
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\e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe"C:\Users\Admin\AppData\Local\Temp\e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Users\Admin\AppData\Local\Temp\e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.exe"C:\Users\Admin\AppData\Local\Temp\e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45.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:3776 -
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:960
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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:2244 -
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:2016
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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:4668
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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:4496
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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:836 -
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:468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3236
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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:3096
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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:4172
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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:224
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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:4948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3684 -
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:3088 -
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:4904
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2148
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2bf17cdf1b40cecb519b51a63fbf5d5
SHA183d4072e0925e008d72af831fba4abc6216a0c05
SHA256d854569d10676092b3e3fc6c4f95feab4fc18691c19f7e9d9c9764965f5add1e
SHA5123d9381515bb1572f46ea6618dd55e48dcace79f7c24a87ca022ef7b7b0a83c61fb228180a2d9334f992b82adac3c4542d500dac293788fa2361542a7fa33b9f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ebbbc2153de01603a8dba2efe5a1cca
SHA18dcc1e002902d7b24cdce2d6adff1eea9717dc89
SHA256820797d1008c14b56e911e6f84d584b3cd1d4485e736528575b293b7a23d2352
SHA512a46c0daffa971cbd1101e3a84dfe2833e3aa4c609070f3aa993335b4248ec91e8ec028c0f0a70beff95aaea37ed22b4caa315b0b1eb29b9d6a9f7e9e7502a2a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bcf41155f0aa33452c98b872208228fb
SHA1a8ce217b8cfdc1ba6f90a7dec00f0adf480e49fb
SHA25610a9407df596fba956449102c79e575088d3ddcdced28cfedfc5c196aedffc81
SHA512874d0291f3f1699a512c44250fb92fb79f0d1d42a506664680690f6f023929fa4ed4c9b8a8d52b7d5c71cb528ab8f079d2e1ed7cca5bd48fdd4e738d6fd6bf76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca7ee9ca5a1fdffca631f9a280bbc8a3
SHA1a7d4bdc5698558cb9afa13c5618ce0ea2bb548e8
SHA256f2f6dfb68ccb5762a9f00b084a84969d0152c238ab3b01bfa94139b03246c1b5
SHA5125cf225a6e55947bec2be9b52befcaefcc5e442a2d7f9e5fe49f0d27c07f2cb67bba32d14922b6f7b196851b87642b9c330e8acc842414ffdb777afa4719c0b61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516d12e796440a5faedac8af6d8f2c083
SHA151d68362557ba4171810c1664242c958e60ebb77
SHA256b09114827cd5e42f1937d98ce1315e1e3a2dca77c6fdbf0d1f75a12bd875efe6
SHA51293c048a40aa9df3af4be1b51fc6c24320b2669c9971e1165f91e8754c3d3c7cb97d719f7ead66923f06fa3b972e144fcef7bd485e323102dd32d20cbc4ee6741
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Filesize
4.1MB
MD582051323ddcadfb02f5c35316c771e8f
SHA15943d435a571ea5d3a3cfb108a3784f3b377a645
SHA256e64496c5c903585624991b1fc238a81b703d5b89000220a9debb3e7eb56bad45
SHA5121c9cb99a172a677eb27c9af113138e4eca1a14e557269ba889261666ec59b56568a55dc22d1ce483f2b199dc3628a97e57cf4109a815b9e2799e8490f55e6a93
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec