Analysis
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max time kernel
150s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 08:30
Static task
static1
Behavioral task
behavioral1
Sample
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe
Resource
win10v2004-20240508-en
General
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Target
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe
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Size
4.1MB
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MD5
448106bab58a8a11f674c534548eef77
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SHA1
0f5ae5320c8dd420c604b402528547979f7e2171
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SHA256
1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063
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SHA512
13c53b1e1cc851be5a3c8d0e772bb0ab47722df255606e5e577db2c91dcab1945cf450f56edd9da271b3a19cc06d5690696f6a9ab0d06be9ec32467659efbacf
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SSDEEP
98304:4cO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxa:4cO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3024-2-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral1/memory/3024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3024-99-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4436-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3024-178-0x0000000004DD0000-0x00000000056BB000-memory.dmp family_glupteba behavioral1/memory/3024-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4404-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4404-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2972 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4404 csrss.exe 372 injector.exe 3948 windefender.exe 1224 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023414-214.dat upx behavioral1/memory/3948-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1224-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3948-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1224-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1224-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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 -
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 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2076 sc.exe -
pid Process 1552 powershell.exe 4596 powershell.exe 1844 powershell.exe 3272 powershell.exe 4796 powershell.exe 2040 powershell.exe 2608 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3732 2608 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4032 schtasks.exe 4612 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@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,-371 = "Jerusalem Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe 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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan 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\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2608 powershell.exe 2608 powershell.exe 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 1552 powershell.exe 1552 powershell.exe 1552 powershell.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 1844 powershell.exe 1844 powershell.exe 1844 powershell.exe 3272 powershell.exe 3272 powershell.exe 3272 powershell.exe 4796 powershell.exe 4796 powershell.exe 4796 powershell.exe 2040 powershell.exe 2040 powershell.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 4404 csrss.exe 4404 csrss.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 4404 csrss.exe 4404 csrss.exe 372 injector.exe 372 injector.exe 4404 csrss.exe 4404 csrss.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe 372 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Token: SeImpersonatePrivilege 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe Token: SeDebugPrivilege 1552 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeSystemEnvironmentPrivilege 4404 csrss.exe Token: SeSecurityPrivilege 2076 sc.exe Token: SeSecurityPrivilege 2076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2608 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 85 PID 3024 wrote to memory of 2608 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 85 PID 3024 wrote to memory of 2608 3024 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 85 PID 4436 wrote to memory of 1552 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 98 PID 4436 wrote to memory of 1552 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 98 PID 4436 wrote to memory of 1552 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 98 PID 4436 wrote to memory of 3836 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 103 PID 4436 wrote to memory of 3836 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 103 PID 3836 wrote to memory of 2972 3836 cmd.exe 105 PID 3836 wrote to memory of 2972 3836 cmd.exe 105 PID 4436 wrote to memory of 4596 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 106 PID 4436 wrote to memory of 4596 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 106 PID 4436 wrote to memory of 4596 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 106 PID 4436 wrote to memory of 1844 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 108 PID 4436 wrote to memory of 1844 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 108 PID 4436 wrote to memory of 1844 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 108 PID 4436 wrote to memory of 4404 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 112 PID 4436 wrote to memory of 4404 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 112 PID 4436 wrote to memory of 4404 4436 1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe 112 PID 4404 wrote to memory of 3272 4404 csrss.exe 113 PID 4404 wrote to memory of 3272 4404 csrss.exe 113 PID 4404 wrote to memory of 3272 4404 csrss.exe 113 PID 4404 wrote to memory of 4796 4404 csrss.exe 119 PID 4404 wrote to memory of 4796 4404 csrss.exe 119 PID 4404 wrote to memory of 4796 4404 csrss.exe 119 PID 4404 wrote to memory of 2040 4404 csrss.exe 121 PID 4404 wrote to memory of 2040 4404 csrss.exe 121 PID 4404 wrote to memory of 2040 4404 csrss.exe 121 PID 4404 wrote to memory of 372 4404 csrss.exe 123 PID 4404 wrote to memory of 372 4404 csrss.exe 123 PID 3948 wrote to memory of 4512 3948 windefender.exe 130 PID 3948 wrote to memory of 4512 3948 windefender.exe 130 PID 3948 wrote to memory of 4512 3948 windefender.exe 130 PID 4512 wrote to memory of 2076 4512 cmd.exe 131 PID 4512 wrote to memory of 2076 4512 cmd.exe 131 PID 4512 wrote to memory of 2076 4512 cmd.exe 131 -
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\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 25163⤵
- Program crash
PID:3732
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C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.exe"C:\Users\Admin\AppData\Local\Temp\1554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063.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:4436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552
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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:3836 -
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:2972
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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:4596
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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:1844
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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:4404 -
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:3272
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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:4032
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:760
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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:4796
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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:2040
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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:372
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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:4612
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3948 -
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:4512 -
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:2076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 26081⤵PID:1184
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1224
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9fa04116c5de90ced24fe6c49f44b0f
SHA1240103cf1fd00a17a2d6c2188739398cf34e5b68
SHA256676da101e094f4b99cd17d93032348f65f3917306a303bfacb740d04a87537a3
SHA5123a18eac01b996226a68a52db413ed10cf7fca0e407689a0766d9a6598832407f31f473fc988fd1352f2c4f032b1295c0084e0d0794e70bc5c336722177b6082e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d64b4f32522b8a3ca47c5d5b46389638
SHA1e43e1392bdee94ac30f6039360949fcf99ea74a3
SHA256d48b1e908a2cce4a1a18f6bc919bf60834a29527ef5c6714b18898b8e7bbcb1c
SHA512e539b4ba12fd5fc6ff8881f27464ba4408fbfd537f8c5f5aabc926b149b80ae56319cc365cb6c67b539c04ed336e33a9e92bf4e6e88cd3e876048e18bb806b33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53615db757cc4c44aac35ae1d749600b5
SHA172f93745fbec1250f0057d9268021ee8b3215266
SHA256493fcc8ae6b1598dccbff56d94af1b31f28af87903decfca395a71181198cc2a
SHA5120730d01d5207114f220e1c8ce5e49f554fd5d53a9671db5b10154502d9cfb06828e3c2ff195fd9ffdd7b8c49d30aaab6bd4ede2ce89a377820ffe323333e33ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54dcf5ccd39c7fe6911e2bd27be55d4a9
SHA15a134d75e0aa7cb2b726031513975ae674856570
SHA256e62f59aaa9d845454ba3e9835a7f7f9d2c0dfe7f09b88e32d17f50b9c38b7fc2
SHA5128a04bd9492c2b5d0678ca4d5d2ab10c47e4eb130be2573c1b158d52cad4c1028be6fd484e3c0026fd5bb2db5ff74b85b64b32afd3ce361ed58929f92ca169970
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b03c7a47c94eea23f946ad6264aed3b6
SHA1140079db471faa72ea5dd4908ca1c1aae36824fd
SHA256ce9eb85e7f9802c63f1844e5b1d183acc7a8c5f6ee500dd00d52851559cad316
SHA5122f84497742a4292e0021dd88783beac85cfff1bcec4196b3a86f4c23d7d57da374d6cdb4c561cf58a0c15e3545adb31ee8c8b27a877266f558ed52aeeccacecd
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Filesize
4.1MB
MD5448106bab58a8a11f674c534548eef77
SHA10f5ae5320c8dd420c604b402528547979f7e2171
SHA2561554edec678d1bf241e7a811982f7612399eb5d33d23bda6ca90a133c26bf063
SHA51213c53b1e1cc851be5a3c8d0e772bb0ab47722df255606e5e577db2c91dcab1945cf450f56edd9da271b3a19cc06d5690696f6a9ab0d06be9ec32467659efbacf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec