Analysis
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max time kernel
150s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 17:25
Static task
static1
Behavioral task
behavioral1
Sample
173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe
Resource
win10v2004-20240508-en
General
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Target
173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe
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Size
4.1MB
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MD5
dc4367e9f6b8c40a064220663c41e43b
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SHA1
9c697c219ff75fd73ad22ef2edaaef2144908406
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SHA256
173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68
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SHA512
4af5227173f4a1e78508b1d65f8dfe8bbf9be5620dcd6f15692294e5c97aaf38f30a954813bbc3e01049961d6c771c71c17618bd1ce52ea9b6ceee274b8efbda
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SSDEEP
49152:vospGR4ZolZaZUgoS4rMfecNeBcQIzxFATq3fcLxV1P8Mw6S3XtgHZvnGwOI/8ms:vospGR9o2+8co3zwcO+D6RXmXwT/3
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/224-2-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/224-51-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/224-74-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/224-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/496-121-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/496-176-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-198-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-206-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-218-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-222-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-226-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-230-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-234-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-238-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-242-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-246-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-250-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/4620-254-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 928 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4620 csrss.exe 4236 injector.exe 1740 windefender.exe 1164 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa57-209.dat upx behavioral2/memory/1740-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1740-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1164-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1164-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1164-227-0x0000000000400000-0x00000000008DF000-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\"" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.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 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 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe File created C:\Windows\rss\csrss.exe 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.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 3928 sc.exe -
pid Process 4356 powershell.exe 1856 powershell.exe 2428 powershell.exe 4876 powershell.exe 772 powershell.exe 1232 powershell.exe 4404 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 1576 schtasks.exe 1852 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-282 = "Central Europe Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.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\@tzres.dll,-441 = "Arabian Daylight Time" windefender.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-214 = "Pacific Daylight Time (Mexico)" 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,-2492 = "Aus Central W. Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4404 powershell.exe 4404 powershell.exe 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 4356 powershell.exe 4356 powershell.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 1856 powershell.exe 1856 powershell.exe 2428 powershell.exe 2428 powershell.exe 4876 powershell.exe 4876 powershell.exe 772 powershell.exe 772 powershell.exe 1232 powershell.exe 1232 powershell.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4620 csrss.exe 4620 csrss.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4620 csrss.exe 4620 csrss.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4620 csrss.exe 4620 csrss.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe 4236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Token: SeImpersonatePrivilege 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 1232 powershell.exe Token: SeSystemEnvironmentPrivilege 4620 csrss.exe Token: SeSecurityPrivilege 3928 sc.exe Token: SeSecurityPrivilege 3928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 224 wrote to memory of 4404 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 78 PID 224 wrote to memory of 4404 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 78 PID 224 wrote to memory of 4404 224 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 78 PID 496 wrote to memory of 4356 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 83 PID 496 wrote to memory of 4356 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 83 PID 496 wrote to memory of 4356 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 83 PID 496 wrote to memory of 2992 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 85 PID 496 wrote to memory of 2992 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 85 PID 2992 wrote to memory of 928 2992 cmd.exe 87 PID 2992 wrote to memory of 928 2992 cmd.exe 87 PID 496 wrote to memory of 1856 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 88 PID 496 wrote to memory of 1856 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 88 PID 496 wrote to memory of 1856 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 88 PID 496 wrote to memory of 2428 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 90 PID 496 wrote to memory of 2428 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 90 PID 496 wrote to memory of 2428 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 90 PID 496 wrote to memory of 4620 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 92 PID 496 wrote to memory of 4620 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 92 PID 496 wrote to memory of 4620 496 173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe 92 PID 4620 wrote to memory of 4876 4620 csrss.exe 93 PID 4620 wrote to memory of 4876 4620 csrss.exe 93 PID 4620 wrote to memory of 4876 4620 csrss.exe 93 PID 4620 wrote to memory of 772 4620 csrss.exe 99 PID 4620 wrote to memory of 772 4620 csrss.exe 99 PID 4620 wrote to memory of 772 4620 csrss.exe 99 PID 4620 wrote to memory of 1232 4620 csrss.exe 101 PID 4620 wrote to memory of 1232 4620 csrss.exe 101 PID 4620 wrote to memory of 1232 4620 csrss.exe 101 PID 4620 wrote to memory of 4236 4620 csrss.exe 103 PID 4620 wrote to memory of 4236 4620 csrss.exe 103 PID 1740 wrote to memory of 1336 1740 windefender.exe 109 PID 1740 wrote to memory of 1336 1740 windefender.exe 109 PID 1740 wrote to memory of 1336 1740 windefender.exe 109 PID 1336 wrote to memory of 3928 1336 cmd.exe 110 PID 1336 wrote to memory of 3928 1336 cmd.exe 110 PID 1336 wrote to memory of 3928 1336 cmd.exe 110 -
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\173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe"C:\Users\Admin\AppData\Local\Temp\173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4404
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C:\Users\Admin\AppData\Local\Temp\173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.exe"C:\Users\Admin\AppData\Local\Temp\173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68.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:496 -
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:4356
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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:2992 -
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:928
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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:1856
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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:2428
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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:4620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1576
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3412
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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:772
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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:1232
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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:4236
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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:1852
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1740 -
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:1336 -
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:3928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1164
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd970102071ba953fb7cc48f22df9581
SHA1383f8edf0e43ed573666d0d36c580f428d9cb9e1
SHA256fe2e160e3c9b1e35322c2187c897e1ee9b19f14aacc5e0908191019eba9a0f16
SHA512daa25d4f1914fd515efbe6d31391f73fd7176aaa141c06f1a91c8066b8e21538a5c6c981bd61f90ca30323e03feeb47a60d18d0c1a8949e75c64edfb2059920e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504ec799aa9fff130d0dbbb2a96d46a30
SHA18ac0f01d7d3703df79f4ce061c0d20b6481eac9f
SHA256e11b4c3c297664a26d7861b4cdc30c1baeb7d6ce726d4918edef3eccd02e1800
SHA51258e37948085ad5f069561740fc04f535c17a11cb892907400a7568f73b6dbe3c9160ab4759c95a58d1868e5004848ab84da396592c1e367001644636b795d7c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa5df32773ddf86a2a070193e38913d9
SHA1ffc5f86120377b11e60c905e46e33995f1c2d702
SHA2569137dee8ea082c38c7a467584582d51e5a30590ff91df290aae9f98a10c4edc1
SHA5127212135ae602c571bb97619b1746b1570c5b2f0b97f121d24b26a165cc038877748c9d5aad1ab14021cabfab88449519956daf0640fa847a20118dc7a9d08cac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5894b3ff34cc8e49162700c0700b54c7c
SHA1f9945d41d488b26ab2dcf20fef9b71e89b64b4cd
SHA25660da2cbe5dd5171eda4e6be0e26c4779c55ed3c37c7de6098fd384f2b95e24a2
SHA512e500e6ec77950807081db9258af99d444a73e554974d93dca1a478c30a40e19874c053f3253800a45378a95daf195aad0652032eb3f9e949d431fde26e9ae485
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571371497ae9abd6b794edabbc882af2e
SHA1526df5216382f6206dbb13f7e6e8ca7d7a0f7396
SHA25686199413d30725bd5511ef72085023995757a5904de75c1d732aa784f1736a0b
SHA51231243f2f7d31f6c370cffdc2a60254a6673f68c1db8344ebb2be7c0c27f8dd73c104f706c7719e08c915adb8f7b612c776299384d9c95e22a4dadfe94a1e9643
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Filesize
4.1MB
MD5dc4367e9f6b8c40a064220663c41e43b
SHA19c697c219ff75fd73ad22ef2edaaef2144908406
SHA256173d6899e02b4cb35de6649871090d855990d0d097aad18cb05d644274c86f68
SHA5124af5227173f4a1e78508b1d65f8dfe8bbf9be5620dcd6f15692294e5c97aaf38f30a954813bbc3e01049961d6c771c71c17618bd1ce52ea9b6ceee274b8efbda
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec