Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 21:45
Static task
static1
Behavioral task
behavioral1
Sample
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe
Resource
win10v2004-20240508-en
General
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Target
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe
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Size
4.1MB
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MD5
f4a84c5f112f70eafbdc6972cfd6d69e
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SHA1
ae8e949bd3ebf489bd6d320e6c0031478ab87001
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SHA256
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1
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SHA512
e521236e6964e3a953def64daf23adc2ac5ec81b972e6b9e4e1dccf6bf7840517a5e5a9cfd9ae3db850731c3e7d4bc45f40a9b90c6fbbcc4cf3df6be72bac7f4
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rl:kXPWAwQyCdJYw8Kggl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2264-2-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/2264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2264-106-0x0000000004840000-0x000000000512B000-memory.dmp family_glupteba behavioral1/memory/2264-105-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2264-171-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/492-170-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-264-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-267-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/868-271-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3912 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 868 csrss.exe 4980 injector.exe 2188 windefender.exe 5000 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023414-221.dat upx behavioral1/memory/2188-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2188-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5000-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe File created C:\Windows\rss\csrss.exe 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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 1184 sc.exe -
pid Process 1484 powershell.exe 2460 powershell.exe 1648 powershell.exe 660 powershell.exe 940 powershell.exe 1164 powershell.exe 3172 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 4936 schtasks.exe 2172 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,-222 = "Alaskan Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-2042 = "Eastern Standard Time (Mexico)" windefender.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,-362 = "GTB Standard 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,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\CA\CRLs 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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1484 powershell.exe 1484 powershell.exe 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 2460 powershell.exe 2460 powershell.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 1648 powershell.exe 1648 powershell.exe 660 powershell.exe 660 powershell.exe 940 powershell.exe 940 powershell.exe 1164 powershell.exe 1164 powershell.exe 3172 powershell.exe 3172 powershell.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 868 csrss.exe 868 csrss.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 868 csrss.exe 868 csrss.exe 4980 injector.exe 4980 injector.exe 868 csrss.exe 868 csrss.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe 4980 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Token: SeImpersonatePrivilege 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Token: SeDebugPrivilege 2460 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeDebugPrivilege 940 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeSystemEnvironmentPrivilege 868 csrss.exe Token: SeSecurityPrivilege 1184 sc.exe Token: SeSecurityPrivilege 1184 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2264 wrote to memory of 1484 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 85 PID 2264 wrote to memory of 1484 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 85 PID 2264 wrote to memory of 1484 2264 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 85 PID 492 wrote to memory of 2460 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 97 PID 492 wrote to memory of 2460 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 97 PID 492 wrote to memory of 2460 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 97 PID 492 wrote to memory of 4832 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 100 PID 492 wrote to memory of 4832 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 100 PID 4832 wrote to memory of 3912 4832 cmd.exe 102 PID 4832 wrote to memory of 3912 4832 cmd.exe 102 PID 492 wrote to memory of 1648 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 103 PID 492 wrote to memory of 1648 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 103 PID 492 wrote to memory of 1648 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 103 PID 492 wrote to memory of 660 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 106 PID 492 wrote to memory of 660 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 106 PID 492 wrote to memory of 660 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 106 PID 492 wrote to memory of 868 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 108 PID 492 wrote to memory of 868 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 108 PID 492 wrote to memory of 868 492 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 108 PID 868 wrote to memory of 940 868 csrss.exe 109 PID 868 wrote to memory of 940 868 csrss.exe 109 PID 868 wrote to memory of 940 868 csrss.exe 109 PID 868 wrote to memory of 1164 868 csrss.exe 114 PID 868 wrote to memory of 1164 868 csrss.exe 114 PID 868 wrote to memory of 1164 868 csrss.exe 114 PID 868 wrote to memory of 3172 868 csrss.exe 117 PID 868 wrote to memory of 3172 868 csrss.exe 117 PID 868 wrote to memory of 3172 868 csrss.exe 117 PID 868 wrote to memory of 4980 868 csrss.exe 119 PID 868 wrote to memory of 4980 868 csrss.exe 119 PID 2188 wrote to memory of 1424 2188 windefender.exe 126 PID 2188 wrote to memory of 1424 2188 windefender.exe 126 PID 2188 wrote to memory of 1424 2188 windefender.exe 126 PID 1424 wrote to memory of 1184 1424 cmd.exe 127 PID 1424 wrote to memory of 1184 1424 cmd.exe 127 PID 1424 wrote to memory of 1184 1424 cmd.exe 127 -
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\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1484
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C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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:492 -
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:2460
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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:4832 -
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:3912
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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:1648
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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:660
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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:868 -
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:940
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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:4936
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4104
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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:1164
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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:3172
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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:4980
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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:2172
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2188 -
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:1424 -
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:1184
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5000
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
MD5409d506672b3002892f9e1c112471937
SHA1466e216cbab8a19bbef0b1e7e27bc722553df9aa
SHA25691c1f5c55f177ef374cb1d302a2dfb9ce9c7c4dbdd58598e02f5596d73060146
SHA512aab8c418014b7bcc6a819a03d1f3db06087cf36400ef07c2dc12ad3990642f77b940c82ff596e0e898f16ce6bf986f7ad53d4fed81d4148c27e671e8592ae2c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562e293f4460dea5b515bb50c9a201100
SHA1dda43095b7fb4741d60c8bdc9e78c10160c5dd70
SHA256c3e76495a9e169380d719c14a4db721d9cb83a14e68966302090a96d215e9672
SHA5121c6b23923167ae7f8e4da9333e590923cbdc6b419538f96585d8307b99dfce6de5aa9dadf60bcb90d6dfd234b04d1c59170d399da8c7fc07561ad01a5fab9ea6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57286327a12e73a3a668486e5762e0e2b
SHA1ac4ac967fdd928244a2412bbe80375d6cba266f1
SHA256553430aa8a24671fbb4ed5a7eced014c6713c3ab50cfa5c13ef04166a1d1cb86
SHA51250b7995cf74162bcd939d24da6fec630aab90b706420edceba792cecf50d5db6d5c38c2d0f311f9f02acf43cecc8db759eef6629cf181258974432ad93591da9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bbf848c8363d7b3d6e18c94478afbc02
SHA1d42eb7e70054be7e0e0ee570116a5ee95b7c0e20
SHA2564c5f8b0a426395913d266100c5c7852a3e5e99448a4e3d555cdca4fc79d4875e
SHA512752c096a80606fab9b6808b456bf8da1bdca813fc2afb70e6fb7ade32b42e2583bd9db8bb8e0f1f825cd81ce6aadec012ece749168a16444147211129af19371
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5600485cf2de64e5f2c0d2c9ccb48035f
SHA1fcf823791486399a320a49423305f9f024ef747e
SHA2561f46ca4de3e0266844bec5d5face9cef3efd6361e6810dcf20c98e43fad3954c
SHA512de0d17bb1c9d4f1a68fb97f1f76b18b9a6d4fa42296309296323b1554f59d3315e68f09a11457a61fd4b77a559bce2e5c7e3961ee0ae6d2ed49b0bb1d03016d2
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Filesize
4.1MB
MD5f4a84c5f112f70eafbdc6972cfd6d69e
SHA1ae8e949bd3ebf489bd6d320e6c0031478ab87001
SHA2569b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1
SHA512e521236e6964e3a953def64daf23adc2ac5ec81b972e6b9e4e1dccf6bf7840517a5e5a9cfd9ae3db850731c3e7d4bc45f40a9b90c6fbbcc4cf3df6be72bac7f4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec