Analysis
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max time kernel
131s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 17 IoCs
resource yara_rule behavioral1/memory/2260-2-0x0000000004F40000-0x000000000582B000-memory.dmp family_glupteba behavioral1/memory/2260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2260-28-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2260-58-0x0000000004F40000-0x000000000582B000-memory.dmp family_glupteba behavioral1/memory/2260-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2260-83-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/100-121-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/100-140-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-164-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-240-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-244-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-252-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-256-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/896-260-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1608 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 896 csrss.exe 4584 injector.exe 884 windefender.exe 3320 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023448-225.dat upx behavioral1/memory/884-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/884-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3320-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3320-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3320-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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\rss 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe File created C:\Windows\rss\csrss.exe 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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 3596 sc.exe -
pid Process 3540 powershell.exe 4436 powershell.exe 2140 powershell.exe 1744 powershell.exe 1860 powershell.exe 4912 powershell.exe 1428 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 3228 schtasks.exe 3768 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\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran 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\Disallowed\Certificates 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,-152 = "Central America Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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,-532 = "Sri Lanka Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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,-2871 = "Magallanes 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,-2431 = "Cuba Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk 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\CTLs 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\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula 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,-111 = "Eastern Daylight Time" 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3540 powershell.exe 3540 powershell.exe 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 4436 powershell.exe 4436 powershell.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 2140 powershell.exe 2140 powershell.exe 1744 powershell.exe 1744 powershell.exe 1860 powershell.exe 1860 powershell.exe 4912 powershell.exe 4912 powershell.exe 1428 powershell.exe 1428 powershell.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 896 csrss.exe 896 csrss.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 896 csrss.exe 896 csrss.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 896 csrss.exe 896 csrss.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe 4584 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Token: SeImpersonatePrivilege 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeSystemEnvironmentPrivilege 896 csrss.exe Token: SeSecurityPrivilege 3596 sc.exe Token: SeSecurityPrivilege 3596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2260 wrote to memory of 3540 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 2260 wrote to memory of 3540 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 2260 wrote to memory of 3540 2260 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 97 PID 100 wrote to memory of 4436 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 103 PID 100 wrote to memory of 4436 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 103 PID 100 wrote to memory of 4436 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 103 PID 100 wrote to memory of 1564 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 105 PID 100 wrote to memory of 1564 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 105 PID 1564 wrote to memory of 1608 1564 cmd.exe 107 PID 1564 wrote to memory of 1608 1564 cmd.exe 107 PID 100 wrote to memory of 2140 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 108 PID 100 wrote to memory of 2140 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 108 PID 100 wrote to memory of 2140 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 108 PID 100 wrote to memory of 1744 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 110 PID 100 wrote to memory of 1744 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 110 PID 100 wrote to memory of 1744 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 110 PID 100 wrote to memory of 896 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 112 PID 100 wrote to memory of 896 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 112 PID 100 wrote to memory of 896 100 7938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351.exe 112 PID 896 wrote to memory of 1860 896 csrss.exe 117 PID 896 wrote to memory of 1860 896 csrss.exe 117 PID 896 wrote to memory of 1860 896 csrss.exe 117 PID 896 wrote to memory of 4912 896 csrss.exe 123 PID 896 wrote to memory of 4912 896 csrss.exe 123 PID 896 wrote to memory of 4912 896 csrss.exe 123 PID 896 wrote to memory of 1428 896 csrss.exe 125 PID 896 wrote to memory of 1428 896 csrss.exe 125 PID 896 wrote to memory of 1428 896 csrss.exe 125 PID 896 wrote to memory of 4584 896 csrss.exe 127 PID 896 wrote to memory of 4584 896 csrss.exe 127 PID 884 wrote to memory of 1188 884 windefender.exe 133 PID 884 wrote to memory of 1188 884 windefender.exe 133 PID 884 wrote to memory of 1188 884 windefender.exe 133 PID 1188 wrote to memory of 3596 1188 cmd.exe 134 PID 1188 wrote to memory of 3596 1188 cmd.exe 134 PID 1188 wrote to memory of 3596 1188 cmd.exe 134 -
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:2260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3540
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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:100 -
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:4436
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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:1564 -
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:1608
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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:2140
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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:1744
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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:896 -
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:1860
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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:3228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4544
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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:4912
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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:1428
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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:4584
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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:3768
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:884 -
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:1188 -
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:3596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3320
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e5f10cecdcb72ef6c31d60f95aaa3780
SHA1afb06a3d1391d729c996543ccf063f9f532e6fdb
SHA25624328e2d3e8fd38cc307d1a2c96c8087999b6d39b23c4d5252fd35c7927d9458
SHA512591cdb742eda7ae9761f4a6dfad32eed5a184d50e58233f613abd054fdcc1bee01a93820bc88a9ae09eee843527748cf98dc55a529e384f4d2814200fd539d0f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f66e70a8ac63f214ba19f6496ecddf89
SHA131927fb98d5689ba4ea3a428420a80f9567f0290
SHA256f47f656afbce35f5602b73ab44259109986dfe0ba869df14c3627d96d9689e3d
SHA512099c9d9bbdf89ab98138911d115b9cc0ed1d9c6d06eaf8d68021d41da175f082ebe3aa819615921ea96ee8dc885961c1e1b9af3a0f648e6368b9787e733b52ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be24c304412529c3e96ce1d961d85749
SHA1749d4091fb49c099acea1635131d28f6d6a13715
SHA2568b772b617b49fefb2d2063b980adc8ffd6b1840c43c4ab780fa380957faaafca
SHA512f14509b84e9f235edebe0ca4d3af7a839a12c6a8f3ccc9f3eb6598804d4289817ac71c2000a18bc1a6ebf1b5b574bb2f09d0c4ca7bd5ba1893d68ab16829ef5b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d84be37346e61a2affa735d37aa95ff
SHA1f8956ce532bfb6da9688399230115fc8612c8f00
SHA25637b9c39ed240576821b34d50c6d6acd122f3e86a665a2e2ce6f53b181f6a4347
SHA512674faf1c353a0f46118c09e2d64d507e0437c291cafac5ab90f22e53e107ef68db69d70aa09d4acec23f92e10954c009f4963ce945f11eb5a729100e6bb75df1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5044378779055060e2015006039084ff6
SHA1c5a0a4c7f9aa80c3b7f98e6dc9e96ed5b0cfff57
SHA2563fdfcf3f4057ac6917f14085a2400b6241c0b523a6304d45a9b84659a5b94cb4
SHA5120bf06f2050602b32ce18c2d311ff11cf2f517f9529d249398ae82b3c4ad12a96ae3d847af7d317933f3648d2d6d7121d61be9338bd6b3944c6ecdbc704239946
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Filesize
4.1MB
MD5cb190097f65f744e90b26d1ebaafb5ad
SHA1a80304e9a6123aca0b5e4d4ef431850936b96d61
SHA2567938a4cdc2d96fbf519f39e0eab76655909742158c057116f18537a0c0a84351
SHA5120f79b3468618b1b6b31e3d655328fda18ac7b75aab67e6fba155a7cc34e6963c357ad801a5631368c544bf380d8c5e261e7119ec4c26700ca279efcadc9d6178
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec