Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe
Resource
win10v2004-20240426-en
General
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Target
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe
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Size
4.1MB
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MD5
0bdad410422ea9b5e9e45de14196859a
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SHA1
be48da1412e5e92b1c5b9b69f69468ccb01b1681
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SHA256
c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b
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SHA512
59d15b8a5037e4d3b7bd411b993c55b43e0c3ab7a1e060289ad9c4b8e29ede1cada4450df9562ebf033c2416af3e47868b7aa973b997657170c04895f7df1c3c
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SSDEEP
98304:gafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjY:g4KGRhU7CB2KZRm43qRo3hpTjY
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2332-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/2332-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2332-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2332-76-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4132-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4772-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3808 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4772 csrss.exe 2588 injector.exe 1800 windefender.exe 5028 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-205.dat upx behavioral2/memory/1800-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1800-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5028-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe File created C:\Windows\rss\csrss.exe c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2532 sc.exe -
pid Process 2104 powershell.exe 2284 powershell.exe 4476 powershell.exe 4672 powershell.exe 2140 powershell.exe 3968 powershell.exe 2148 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 3124 schtasks.exe 3900 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Disallowed\Certificates 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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.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\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" 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,-335 = "Jordan Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-302 = "Romance Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2284 powershell.exe 2284 powershell.exe 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4476 powershell.exe 4476 powershell.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 4672 powershell.exe 4672 powershell.exe 2140 powershell.exe 2140 powershell.exe 3968 powershell.exe 3968 powershell.exe 2148 powershell.exe 2148 powershell.exe 2104 powershell.exe 2104 powershell.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 4772 csrss.exe 4772 csrss.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 4772 csrss.exe 4772 csrss.exe 2588 injector.exe 2588 injector.exe 4772 csrss.exe 4772 csrss.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe 2588 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2284 powershell.exe Token: SeDebugPrivilege 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Token: SeImpersonatePrivilege 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 csrss.exe Token: SeSecurityPrivilege 2532 sc.exe Token: SeSecurityPrivilege 2532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2332 wrote to memory of 2284 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 82 PID 2332 wrote to memory of 2284 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 82 PID 2332 wrote to memory of 2284 2332 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 82 PID 4132 wrote to memory of 4476 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 4132 wrote to memory of 4476 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 4132 wrote to memory of 4476 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 87 PID 4132 wrote to memory of 400 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 89 PID 4132 wrote to memory of 400 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 89 PID 400 wrote to memory of 3808 400 cmd.exe 91 PID 400 wrote to memory of 3808 400 cmd.exe 91 PID 4132 wrote to memory of 4672 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 92 PID 4132 wrote to memory of 4672 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 92 PID 4132 wrote to memory of 4672 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 92 PID 4132 wrote to memory of 2140 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 94 PID 4132 wrote to memory of 2140 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 94 PID 4132 wrote to memory of 2140 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 94 PID 4132 wrote to memory of 4772 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 4132 wrote to memory of 4772 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 4132 wrote to memory of 4772 4132 c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe 96 PID 4772 wrote to memory of 3968 4772 csrss.exe 97 PID 4772 wrote to memory of 3968 4772 csrss.exe 97 PID 4772 wrote to memory of 3968 4772 csrss.exe 97 PID 4772 wrote to memory of 2148 4772 csrss.exe 102 PID 4772 wrote to memory of 2148 4772 csrss.exe 102 PID 4772 wrote to memory of 2148 4772 csrss.exe 102 PID 4772 wrote to memory of 2104 4772 csrss.exe 105 PID 4772 wrote to memory of 2104 4772 csrss.exe 105 PID 4772 wrote to memory of 2104 4772 csrss.exe 105 PID 4772 wrote to memory of 2588 4772 csrss.exe 107 PID 4772 wrote to memory of 2588 4772 csrss.exe 107 PID 1800 wrote to memory of 4684 1800 windefender.exe 113 PID 1800 wrote to memory of 4684 1800 windefender.exe 113 PID 1800 wrote to memory of 4684 1800 windefender.exe 113 PID 4684 wrote to memory of 2532 4684 cmd.exe 114 PID 4684 wrote to memory of 2532 4684 cmd.exe 114 PID 4684 wrote to memory of 2532 4684 cmd.exe 114 -
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\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284
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C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.exe"C:\Users\Admin\AppData\Local\Temp\c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b.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:4132 -
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:4476
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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:400 -
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:3808
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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:4672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140
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C:\Windows\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:4772 -
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:3968
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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:3124
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4440
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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:2148
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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:2104
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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:2588
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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:3900
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1800 -
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:4684 -
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:2532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5028
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
MD5ae4cdbf9ca6dcfe0a60660a147145938
SHA1f664fc073dae575c36bdb8e77c3b4135680e1243
SHA256b6feca871fab172b656adbabbf1a3633d9c49d5c1162d3ee92c456ce692ffe23
SHA5127d3637b6466abb38fbab10217cc274c0d7f24472b540f099d3f4b894612368e8480a40b57e63e30d1fd7f06b796126e162e209a59cebf1f0e9c4dfc088d1af7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570f04c372c49aedf44161dee47429758
SHA1f459e43e35328fe5d5e1e8fb4b1cace7475d18d0
SHA256aab4bc5234a11944c9cf49278861ab722f433ebc2766cc6ec638c042b89817b3
SHA512391904d0a3bc04d4e10ed149c4754bfd2ae27b34877606b4bf455bc155625894f521e30991d1ac546da503a7c38f1a3a904594bc6300c7de9f388aa13df842c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7f15060a04b93069e5c6d7da17c8a30
SHA1a4fac67b9d9883666bbe47a9dc86592bbfdbff2b
SHA25672c32994d618cdaf47396ec90ba3e0c1eb4e2dd8f647e6df7340d555aecc341a
SHA51216602bd20eba2db2221996062727ef2847c79a48d2662c97882319c8bc0583137527684c3f734e427b808f8aa42da2d9057e2c7cb6ae845ae4145cc9cd015068
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55618cae230660fa7ed2514c36d143084
SHA149e80580b59c15e58f6ac31d894f4425ceda59a0
SHA256b19acca5d457a5b1f74d733a2b31282f217f60b88a9083a6a6aec45b7086039c
SHA5125224ddde55d814daafdd75569ceb78cd1b460eea222a3297f9ab42176390160c94d9d6f7f4f80f21fd38c0aa84d3dea9d0519b7dad95a2afe4a5d663628b7791
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562a6d600691e9baf1c50c30c81f508d2
SHA11705ea89d93b3b120828137f5d7e1f7159a2d81a
SHA2569222faf423e84117ca244431dd5a9327604932c25509d44ef8dd9bb45aa66aa7
SHA51232d2f8785aa2aa8c7583c28cdc3dfbed7686167de1f9ba8a7915f2b622d26f7f6053763252977d6633bef6d8791da96a1bc86df1d514597714198ff54d1a3b42
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Filesize
4.1MB
MD50bdad410422ea9b5e9e45de14196859a
SHA1be48da1412e5e92b1c5b9b69f69468ccb01b1681
SHA256c2641f2090180362397850aa25219f4f8c17c57ccd78364e069de2664ecab96b
SHA51259d15b8a5037e4d3b7bd411b993c55b43e0c3ab7a1e060289ad9c4b8e29ede1cada4450df9562ebf033c2416af3e47868b7aa973b997657170c04895f7df1c3c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec