Analysis
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max time kernel
149s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:18
Static task
static1
Behavioral task
behavioral1
Sample
7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe
Resource
win10v2004-20240426-en
General
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Target
7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe
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Size
4.1MB
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MD5
cb190097f65f744e90b26d1ebaafb5ad
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SHA1
a80304e9a6123aca0b5e4d4ef431850936b96d61
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SHA256
7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351
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SHA512
0f79b3468618b1b6b31e3d655328fda18ac7b75aab67e6fba155a7cc34e6963c357ad801a5631368c544bf380d8c5e261e7119ec4c26700ca279efcadc9d6178
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SSDEEP
98304:3pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCB:5LlNLHtGNcOLFp5JFwlsCB
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2272-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/2272-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2272-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2272-118-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/2436-126-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2272-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3856-200-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-206-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-225-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-238-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-242-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-246-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3856-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4676 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3856 csrss.exe 2220 injector.exe 4452 windefender.exe 2912 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1b-205.dat upx behavioral2/memory/4452-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2912-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4452-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2912-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2912-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2912-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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\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 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 -
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 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe File created C:\Windows\rss\csrss.exe 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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 3272 sc.exe -
pid Process 5000 powershell.exe 3800 powershell.exe 3896 powershell.exe 4608 powershell.exe 856 powershell.exe 1636 powershell.exe 2232 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 5060 schtasks.exe 1480 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-652 = "AUS Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3800 powershell.exe 3800 powershell.exe 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 3896 powershell.exe 3896 powershell.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 4608 powershell.exe 4608 powershell.exe 856 powershell.exe 856 powershell.exe 1636 powershell.exe 1636 powershell.exe 2232 powershell.exe 2232 powershell.exe 5000 powershell.exe 5000 powershell.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 3856 csrss.exe 3856 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 3856 csrss.exe 3856 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 3856 csrss.exe 3856 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Token: SeImpersonatePrivilege 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 3856 csrss.exe Token: SeSecurityPrivilege 3272 sc.exe Token: SeSecurityPrivilege 3272 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2272 wrote to memory of 3800 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 83 PID 2272 wrote to memory of 3800 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 83 PID 2272 wrote to memory of 3800 2272 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 83 PID 2436 wrote to memory of 3896 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 88 PID 2436 wrote to memory of 3896 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 88 PID 2436 wrote to memory of 3896 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 88 PID 2436 wrote to memory of 1544 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 90 PID 2436 wrote to memory of 1544 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 90 PID 1544 wrote to memory of 4676 1544 cmd.exe 92 PID 1544 wrote to memory of 4676 1544 cmd.exe 92 PID 2436 wrote to memory of 4608 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 93 PID 2436 wrote to memory of 4608 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 93 PID 2436 wrote to memory of 4608 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 93 PID 2436 wrote to memory of 856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 95 PID 2436 wrote to memory of 856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 95 PID 2436 wrote to memory of 856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 95 PID 2436 wrote to memory of 3856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 2436 wrote to memory of 3856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 2436 wrote to memory of 3856 2436 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 3856 wrote to memory of 1636 3856 csrss.exe 98 PID 3856 wrote to memory of 1636 3856 csrss.exe 98 PID 3856 wrote to memory of 1636 3856 csrss.exe 98 PID 3856 wrote to memory of 2232 3856 csrss.exe 104 PID 3856 wrote to memory of 2232 3856 csrss.exe 104 PID 3856 wrote to memory of 2232 3856 csrss.exe 104 PID 3856 wrote to memory of 5000 3856 csrss.exe 106 PID 3856 wrote to memory of 5000 3856 csrss.exe 106 PID 3856 wrote to memory of 5000 3856 csrss.exe 106 PID 3856 wrote to memory of 2220 3856 csrss.exe 108 PID 3856 wrote to memory of 2220 3856 csrss.exe 108 PID 4452 wrote to memory of 728 4452 windefender.exe 114 PID 4452 wrote to memory of 728 4452 windefender.exe 114 PID 4452 wrote to memory of 728 4452 windefender.exe 114 PID 728 wrote to memory of 3272 728 cmd.exe 115 PID 728 wrote to memory of 3272 728 cmd.exe 115 PID 728 wrote to memory of 3272 728 cmd.exe 115 -
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\7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe"C:\Users\Admin\AppData\Local\Temp\7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
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C:\Users\Admin\AppData\Local\Temp\7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe"C:\Users\Admin\AppData\Local\Temp\7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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:2436 -
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:3896
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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:1544 -
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:4676
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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:4608
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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:856
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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:3856 -
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:1636
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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:1480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3480
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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:2232
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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:5000
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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:2220
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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:5060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4452 -
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:728 -
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:3272
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2912
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
MD5130771de1dc4428cc5fed14ee74d0a3c
SHA1c0c18dd7772e7b2d8f59697ec8a8455bc361e6e8
SHA256ae2fb68aea11f267b88a62148f38433658e1524e432b4509fed6d0f505f92876
SHA51206316d7fffdd59c0140ec6ec9d2efc6885e4366838003c12c2869b7e713da1e1fc042a086cccb07a8eb4a780dde807feaa8135ab13dd4c2e5756b5f15ec3b399
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d4934ab130ce86dab1a1684715b3dd1
SHA1f4779e408269189ecd60e5bf340e2b0da0a24e82
SHA256f24e9d7e451786b7dc1e2c9f6583aeb9629e69b5bc3aa3dd9404bfefff11aa82
SHA5125c1d9f5652d9644b85f3ea69496c9c8665232ee831b23f7a9ce89c4dd59a5790ebabeb7dbdb631bc398e66decf14f097a547021f184f1e15e66ff29c2138aca2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2cb368ba2645c7104de6ece0400650a
SHA12cfb7b9e02218f8b5735b23e04e25622b2908fbe
SHA2564ad4960ba9a263d484cf6a46a97ee194895900013fc4b1058a66f801520d7a46
SHA512dd20f780ac181316f7c7e2a8fba6edcef36b81b3d57fea023acc80c0d5ebb3dc52af8183b9889445e0c5ae2510f8b6dc6130702b5e52c7b0f46ee3e8471b7910
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572ff00f13bbfe07f22c493e9c372cf58
SHA12e4c0be708433e7dbf035957d05bfa302f68ff36
SHA256374ec828aafd369fcfc7c1bacb34551d18605465a6cfab033dbf2411a2feefe1
SHA5125518b7b1a5f2e374fdd0a3253eb312f6faf2b67a3115765c165d03f6602d82d647d574c28abe83fe06eccc0f89b82e94cb5567579546afd8be6155bced0a439c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570fc420e54d71b7e8282a13772bb1e1e
SHA104e7bf9981119a5b915dbe2ec1b875db42a785c7
SHA25658247ea5e3cc9bbb024b7d062a9325286b78006a3ee781101418d773eda3d25c
SHA5125935def0a1aa16c3566e3dcafdcf2944f7aad91fc10efb8bad5063a8c0f97e3bd0b12675ffadb89ecc225555b1e5d6be12a42742f535c7536555d2c37fce8fad
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Filesize
4.1MB
MD5cb190097f65f744e90b26d1ebaafb5ad
SHA1a80304e9a6123aca0b5e4d4ef431850936b96d61
SHA2567938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351
SHA5120f79b3468618b1b6b31e3d655328fda18ac7b75aab67e6fba155a7cc34e6963c357ad801a5631368c544bf380d8c5e261e7119ec4c26700ca279efcadc9d6178
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec