Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 17:53
Static task
static1
Behavioral task
behavioral1
Sample
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe
Resource
win10v2004-20240426-en
General
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Target
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe
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Size
4.1MB
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MD5
23ca5e94a0046867908d3d9b7d9defb4
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SHA1
c37b3a24f03c12177f69f8186a8b5f093cedf4c7
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SHA256
2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824
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SHA512
24860eed33b9db62d0367db9ca29de810717f37dd308ab6cb8a99b59fc9e35193e7fd6b5ea8d0d959ffcca31bf46b2835a2adeb8a8550dd611288d21cf6db0ec
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SSDEEP
98304:I557or8YMdWV8xcrChUIDCoHczW4WQrxCgsiGsm1N9Zshd41TTimq:I5w86GcrCCoczCJiGXN9ZshdAimq
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4864-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/4864-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4864-53-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/4864-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-55-0x0000000002A20000-0x0000000002E20000-memory.dmp family_glupteba behavioral2/memory/4616-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/776-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4600 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 776 csrss.exe 3096 injector.exe 4872 windefender.exe 3684 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa12-212.dat upx behavioral2/memory/4872-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4872-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe File created C:\Windows\rss\csrss.exe 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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 4108 sc.exe -
pid Process 1200 powershell.exe 1720 powershell.exe 996 powershell.exe 3164 powershell.exe 4464 powershell.exe 5044 powershell.exe 2052 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 4248 schtasks.exe 5060 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,-171 = "Central Daylight Time (Mexico)" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight 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" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa 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" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-192 = "Mountain Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.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,-2321 = "Sakhalin Daylight Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4464 powershell.exe 4464 powershell.exe 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 5044 powershell.exe 5044 powershell.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 2052 powershell.exe 2052 powershell.exe 1200 powershell.exe 1200 powershell.exe 1720 powershell.exe 1720 powershell.exe 996 powershell.exe 996 powershell.exe 3164 powershell.exe 3164 powershell.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 776 csrss.exe 776 csrss.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 776 csrss.exe 776 csrss.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 776 csrss.exe 776 csrss.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe 3096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Token: SeImpersonatePrivilege 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 996 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeSystemEnvironmentPrivilege 776 csrss.exe Token: SeSecurityPrivilege 4108 sc.exe Token: SeSecurityPrivilege 4108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4864 wrote to memory of 4464 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 82 PID 4864 wrote to memory of 4464 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 82 PID 4864 wrote to memory of 4464 4864 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 82 PID 4616 wrote to memory of 5044 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 88 PID 4616 wrote to memory of 5044 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 88 PID 4616 wrote to memory of 5044 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 88 PID 4616 wrote to memory of 4880 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 90 PID 4616 wrote to memory of 4880 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 90 PID 4880 wrote to memory of 4600 4880 cmd.exe 92 PID 4880 wrote to memory of 4600 4880 cmd.exe 92 PID 4616 wrote to memory of 2052 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 93 PID 4616 wrote to memory of 2052 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 93 PID 4616 wrote to memory of 2052 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 93 PID 4616 wrote to memory of 1200 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 95 PID 4616 wrote to memory of 1200 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 95 PID 4616 wrote to memory of 1200 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 95 PID 4616 wrote to memory of 776 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 97 PID 4616 wrote to memory of 776 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 97 PID 4616 wrote to memory of 776 4616 2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe 97 PID 776 wrote to memory of 1720 776 csrss.exe 98 PID 776 wrote to memory of 1720 776 csrss.exe 98 PID 776 wrote to memory of 1720 776 csrss.exe 98 PID 776 wrote to memory of 996 776 csrss.exe 104 PID 776 wrote to memory of 996 776 csrss.exe 104 PID 776 wrote to memory of 996 776 csrss.exe 104 PID 776 wrote to memory of 3164 776 csrss.exe 106 PID 776 wrote to memory of 3164 776 csrss.exe 106 PID 776 wrote to memory of 3164 776 csrss.exe 106 PID 776 wrote to memory of 3096 776 csrss.exe 108 PID 776 wrote to memory of 3096 776 csrss.exe 108 PID 4872 wrote to memory of 3204 4872 windefender.exe 114 PID 4872 wrote to memory of 3204 4872 windefender.exe 114 PID 4872 wrote to memory of 3204 4872 windefender.exe 114 PID 3204 wrote to memory of 4108 3204 cmd.exe 115 PID 3204 wrote to memory of 4108 3204 cmd.exe 115 PID 3204 wrote to memory of 4108 3204 cmd.exe 115 -
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\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4464
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C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.exe"C:\Users\Admin\AppData\Local\Temp\2ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824.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:4616 -
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:5044
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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:4880 -
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:4600
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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:2052
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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:1200
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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:776 -
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:1720
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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:4248
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1844
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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:996
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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:3164
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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:3096
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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:5060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4872 -
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:3204 -
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:4108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3684
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
MD5e3d01227b46d21744c3f6c88c92fd5aa
SHA17b211e389c61a5017326ecd8314e9f74b5b9ccab
SHA256386f0430cf5b641f90a3fd6615cfecdcb228ad04d027f319b50448438ef90898
SHA5124b15c66bcf6bf96f86fd9d39d03c290990ec7c8cb5a56266a5be233c0473c7d66c792752dd41abc5a7a69a8ae2526274bfceb1f7fad1bc9021d2f98ad7deb8c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50db8fc0e96cf6ba68c020e32d5b24cee
SHA15f95b89b67fd10de1910b4cb058f4f146ca50006
SHA256684124a27f52e7ec8566ebf8e547dd4a50492e3f77e6db77e339805c13c3ee9b
SHA512fd7feac167b04af17af5d1b291dcafb1587968ecc0c412bf9fda6d7ef5fbe466d5b586a114f03b5cc8efdd4d4501a6373eb4fa5654ab66f081ce626e08945fa2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd8251b134b1a011313179a740412143
SHA1beeb9ace866f0393b1edaba76e8095215a2557cd
SHA256ba6899041681ea8eecea00c61bfd1a39a7cf6183f2a5c37a06115d0b9f920a79
SHA5124fc558c86b0bf46efef287402d96684a767d606a01f6ba75f80187e55bfee7d570aff228361366479b7bb17173957e958d10789a0262f9f0e460cad7cd6cc076
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b312c9a12e0f25f119ab2c3d4d1e40a
SHA19c09404c16ae7294dbd4022a0e97ab0e199a2262
SHA256ec69f9dd53de34d0114e4bc81a6fbb625d41158d95150fcb406d2adb24578678
SHA51236b69fac73ec3295169228eba6490318c30180d24aea923b984bb75ff314b991ac83fa3c97524b3fcb40c55d8bd0efe02320960107e5e4e7518516525e75aa7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdf5c803cbfac744bfa9ca0261d69556
SHA1240ab5419e815b1125b0ec8f340b7b0a420ccb29
SHA256c46c51d490c9de4e9f0ff99a8ab34f0a333e1b934741c602bc0a98690b6056be
SHA512775593a3a7cb264b5407a776299fadf4bff3c70cb1f9fede98aae4253f7d399262257e6f6797d0826f61cae54200c86202d4f7467c42483df9bfccdb2d934c1e
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Filesize
4.1MB
MD523ca5e94a0046867908d3d9b7d9defb4
SHA1c37b3a24f03c12177f69f8186a8b5f093cedf4c7
SHA2562ab6ef0589fa2b09ec55c93e95524baf771bc5bc55088bb6ac623f26b8827824
SHA51224860eed33b9db62d0367db9ca29de810717f37dd308ab6cb8a99b59fc9e35193e7fd6b5ea8d0d959ffcca31bf46b2835a2adeb8a8550dd611288d21cf6db0ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec