Analysis
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max time kernel
150s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:45
Static task
static1
Behavioral task
behavioral1
Sample
e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe
Resource
win10v2004-20240508-en
General
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Target
e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe
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Size
4.1MB
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MD5
1595df60c1ee2b3bd9f9cac4a0b86c48
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SHA1
5bf04ec887cd65c2e35e75bed79b51e2580ec6da
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SHA256
e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab
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SHA512
6108ba32fc4f5dc4052b1e156d5ea96d2b829cd70d8c9539dab1b3c88133baa8b560a5d5d2136ac1e2e8fdb452bf5242476eeed294081523efa68266b64fb620
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31Kmzm:h7B3j0rWdEQQ059Cfd4xbkE91KmC
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1836-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/1836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1836-47-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1836-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1836-52-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/1836-50-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3096-75-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3096-123-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-203-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-212-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-217-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-220-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-223-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-225-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/440-228-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4228 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 440 csrss.exe 3384 injector.exe 4396 windefender.exe 4060 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-206.dat upx behavioral2/memory/4396-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4396-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4060-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4060-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe File created C:\Windows\rss\csrss.exe e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.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 2088 sc.exe -
pid Process 1596 powershell.exe 1568 powershell.exe 1484 powershell.exe 2628 powershell.exe 3048 powershell.exe 1664 powershell.exe 4276 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 4592 schtasks.exe 4676 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,-3052 = "Qyzylorda Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.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,-681 = "E. Australia 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,-831 = "SA Eastern Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-1661 = "Bahia Daylight 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,-242 = "Samoa Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.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\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-2042 = "Eastern Standard Time (Mexico)" 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,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1596 powershell.exe 1596 powershell.exe 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 1568 powershell.exe 1568 powershell.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 1484 powershell.exe 1484 powershell.exe 2628 powershell.exe 2628 powershell.exe 3048 powershell.exe 3048 powershell.exe 1664 powershell.exe 1664 powershell.exe 4276 powershell.exe 4276 powershell.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 440 csrss.exe 440 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 440 csrss.exe 440 csrss.exe 3384 injector.exe 3384 injector.exe 440 csrss.exe 440 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Token: SeImpersonatePrivilege 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 4276 powershell.exe Token: SeSystemEnvironmentPrivilege 440 csrss.exe Token: SeSecurityPrivilege 2088 sc.exe Token: SeSecurityPrivilege 2088 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1836 wrote to memory of 1596 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 78 PID 1836 wrote to memory of 1596 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 78 PID 1836 wrote to memory of 1596 1836 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 78 PID 3096 wrote to memory of 1568 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 83 PID 3096 wrote to memory of 1568 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 83 PID 3096 wrote to memory of 1568 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 83 PID 3096 wrote to memory of 3900 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 85 PID 3096 wrote to memory of 3900 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 85 PID 3900 wrote to memory of 4228 3900 cmd.exe 87 PID 3900 wrote to memory of 4228 3900 cmd.exe 87 PID 3096 wrote to memory of 1484 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 88 PID 3096 wrote to memory of 1484 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 88 PID 3096 wrote to memory of 1484 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 88 PID 3096 wrote to memory of 2628 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 90 PID 3096 wrote to memory of 2628 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 90 PID 3096 wrote to memory of 2628 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 90 PID 3096 wrote to memory of 440 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 92 PID 3096 wrote to memory of 440 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 92 PID 3096 wrote to memory of 440 3096 e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe 92 PID 440 wrote to memory of 3048 440 csrss.exe 93 PID 440 wrote to memory of 3048 440 csrss.exe 93 PID 440 wrote to memory of 3048 440 csrss.exe 93 PID 440 wrote to memory of 1664 440 csrss.exe 99 PID 440 wrote to memory of 1664 440 csrss.exe 99 PID 440 wrote to memory of 1664 440 csrss.exe 99 PID 440 wrote to memory of 4276 440 csrss.exe 101 PID 440 wrote to memory of 4276 440 csrss.exe 101 PID 440 wrote to memory of 4276 440 csrss.exe 101 PID 440 wrote to memory of 3384 440 csrss.exe 103 PID 440 wrote to memory of 3384 440 csrss.exe 103 PID 4396 wrote to memory of 4696 4396 windefender.exe 109 PID 4396 wrote to memory of 4696 4396 windefender.exe 109 PID 4396 wrote to memory of 4696 4396 windefender.exe 109 PID 4696 wrote to memory of 2088 4696 cmd.exe 110 PID 4696 wrote to memory of 2088 4696 cmd.exe 110 PID 4696 wrote to memory of 2088 4696 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\e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe"C:\Users\Admin\AppData\Local\Temp\e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
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C:\Users\Admin\AppData\Local\Temp\e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.exe"C:\Users\Admin\AppData\Local\Temp\e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab.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:3096 -
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:1568
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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:3900 -
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:4228
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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:1484
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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:2628
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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:440 -
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:3048
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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:4592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3964
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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:1664
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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:4276
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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:3384
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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:4676
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4396 -
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:4696 -
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:2088
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4060
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
MD5215d775c3c822651d356372238594fb6
SHA1c76ce12c4069ac41d3c47d162c668c3ccdade8f9
SHA2568dc2ed867a598843a8a1ae3162261ba037987cd05cf8ecd58dd638286c6354d9
SHA51207c51b1d5e25bd09044605ae1bc08d0bab87892537ac4923eaa24400829e6f26922427b90847c7de084a3e8d750b1336928ffa7f334295d67916ca08b9795904
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549bd428505c9576e8b6985bea63d8e09
SHA19b01cd8e9eb0717fabbe3dbf01ab3c8d4a10d8df
SHA256cb306dd817e2b4002f9383a357ba45c2a45fac51622012e8e967c2a71e479823
SHA512621a9ba9b3e5a42f2585a41b5aee46b29016ff5cfb3de79610b59539b466cd813b627db0d31f8c1eb607b8543da900fbaa6e465fd28ae3081d801f9400666032
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d461b5110bd9bcde78d4a39762adf37
SHA1523449164e10177a37cc41d26a77f9204dbc66ad
SHA256bc59a9d7e41c09635c00d62e3874feb9bb6feb5e30991010ea000d98719f8ac8
SHA51286cc2a206057cdd65e37fb0db221576a87cbc12c5976a7ec73f3a8c99a8ac06c466a181743199ab792a12a0b9c462e82156b7d7bb13a35548cbd143f2d431e04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53550e9251fe0efd33cc7d20c2edb59fd
SHA15350b56730be788347f955c72ce318a31d85e37f
SHA25634fd9025e3702a65ca57d1ba69f21b7b34cb052240aceb0d7d5b707e45ca1296
SHA5128868b4fc242434432de8ab986d0b689315bed732aa91e8c481992ca01b6c26eb52ea77d388bcef5a7826b235eea37a9ab8ba0935db423d33c2cf4e54509d03b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508326f9017646b8bdff2f9cf0b165ed4
SHA11cfde684ddbd98e2d1aee89a43e8b2d22a5a4229
SHA25656daecf8976afd62dd02626a028a3d9ad1312382b28deceb208c3d3f4b3a5ed8
SHA5123f311479075cfd982613e1394f0f2fea886a3ff3e85e6ffa5c6be10fac33b654b5480a18d9904cc347ea800df2ed55dac201d762d74cb73447ad384efc094837
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Filesize
4.1MB
MD51595df60c1ee2b3bd9f9cac4a0b86c48
SHA15bf04ec887cd65c2e35e75bed79b51e2580ec6da
SHA256e9a312c00c8b72143ed4eb13583728858e9ec2bffc4bebdf53656981603ec4ab
SHA5126108ba32fc4f5dc4052b1e156d5ea96d2b829cd70d8c9539dab1b3c88133baa8b560a5d5d2136ac1e2e8fdb452bf5242476eeed294081523efa68266b64fb620
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec