Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25/04/2024, 19:19
Static task
static1
Behavioral task
behavioral1
Sample
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe
Resource
win10v2004-20240412-en
General
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Target
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe
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Size
4.1MB
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MD5
84593ad6f91078e2b257b80a7878f124
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SHA1
0f4b30414c725598117e38b4f2863d79530b89c7
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SHA256
72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80
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SHA512
7cba986b097c42f3c9b5702132a159ca4771803bf81bbd7c3361009c2539a500ebd7a83ad96e9d00e28b89610068ad5801ad791643af75baf55b2b97c128d2d7
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SSDEEP
98304:76iTZ4kfg452+1ymkJVCeDBCBxmGqwqRrEfoUjZy6nFMEWaGv167KvyfiuU:7pTamgkhkCDLmGqEnZypEWjw7K9f
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2204-2-0x00000000051E0000-0x0000000005ACB000-memory.dmp family_glupteba behavioral1/memory/2204-3-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/2204-54-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/2204-55-0x00000000051E0000-0x0000000005ACB000-memory.dmp family_glupteba behavioral1/memory/4124-57-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4124-72-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4124-135-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4124-140-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4124-161-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-195-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-263-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-272-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-274-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-276-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-278-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-280-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-282-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba behavioral1/memory/4544-284-0x0000000000400000-0x0000000003005000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5076 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4544 csrss.exe 4944 injector.exe 1896 windefender.exe 1992 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023458-266.dat upx behavioral1/memory/1896-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1992-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1992-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 -
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 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe File created C:\Windows\rss\csrss.exe 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.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 4984 sc.exe -
Program crash 4 IoCs
pid pid_target Process procid_target 676 2204 WerFault.exe 84 2480 2204 WerFault.exe 84 1092 4124 WerFault.exe 98 2240 4124 WerFault.exe 98 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3952 schtasks.exe 3648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.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\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4088 powershell.exe 4088 powershell.exe 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4320 powershell.exe 4320 powershell.exe 4320 powershell.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 456 powershell.exe 456 powershell.exe 456 powershell.exe 4376 powershell.exe 4376 powershell.exe 4376 powershell.exe 556 powershell.exe 556 powershell.exe 2712 powershell.exe 2712 powershell.exe 4432 powershell.exe 4432 powershell.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4544 csrss.exe 4544 csrss.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4544 csrss.exe 4544 csrss.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4544 csrss.exe 4544 csrss.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe 4944 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Token: SeImpersonatePrivilege 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeSystemEnvironmentPrivilege 4544 csrss.exe Token: SeSecurityPrivilege 4984 sc.exe Token: SeSecurityPrivilege 4984 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2204 wrote to memory of 4088 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 90 PID 2204 wrote to memory of 4088 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 90 PID 2204 wrote to memory of 4088 2204 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 90 PID 4124 wrote to memory of 4320 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 107 PID 4124 wrote to memory of 4320 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 107 PID 4124 wrote to memory of 4320 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 107 PID 4124 wrote to memory of 4768 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 110 PID 4124 wrote to memory of 4768 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 110 PID 4768 wrote to memory of 5076 4768 cmd.exe 112 PID 4768 wrote to memory of 5076 4768 cmd.exe 112 PID 4124 wrote to memory of 456 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 113 PID 4124 wrote to memory of 456 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 113 PID 4124 wrote to memory of 456 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 113 PID 4124 wrote to memory of 4376 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 115 PID 4124 wrote to memory of 4376 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 115 PID 4124 wrote to memory of 4376 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 115 PID 4124 wrote to memory of 4544 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 118 PID 4124 wrote to memory of 4544 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 118 PID 4124 wrote to memory of 4544 4124 72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe 118 PID 4544 wrote to memory of 556 4544 csrss.exe 123 PID 4544 wrote to memory of 556 4544 csrss.exe 123 PID 4544 wrote to memory of 556 4544 csrss.exe 123 PID 4544 wrote to memory of 2712 4544 csrss.exe 130 PID 4544 wrote to memory of 2712 4544 csrss.exe 130 PID 4544 wrote to memory of 2712 4544 csrss.exe 130 PID 4544 wrote to memory of 4432 4544 csrss.exe 132 PID 4544 wrote to memory of 4432 4544 csrss.exe 132 PID 4544 wrote to memory of 4432 4544 csrss.exe 132 PID 4544 wrote to memory of 4944 4544 csrss.exe 134 PID 4544 wrote to memory of 4944 4544 csrss.exe 134 PID 1896 wrote to memory of 4376 1896 windefender.exe 144 PID 1896 wrote to memory of 4376 1896 windefender.exe 144 PID 1896 wrote to memory of 4376 1896 windefender.exe 144 PID 4376 wrote to memory of 4984 4376 cmd.exe 145 PID 4376 wrote to memory of 4984 4376 cmd.exe 145 PID 4376 wrote to memory of 4984 4376 cmd.exe 145 -
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\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.exe"C:\Users\Admin\AppData\Local\Temp\72f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80.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:4124 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4320
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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:4768 -
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:5076
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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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:4544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:556
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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:3648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:60
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2712
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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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:4944
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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:3952
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1896 -
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:4376 -
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:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 6043⤵
- Program crash
PID:1092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 8403⤵
- Program crash
PID:2240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 6402⤵
- Program crash
PID:676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 8722⤵
- Program crash
PID:2480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2204 -ip 22041⤵PID:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2204 -ip 22041⤵PID:2416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4124 -ip 41241⤵PID:4080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4124 -ip 41241⤵PID:1204
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1992
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
MD54110e9c94ca86cbfd72e41a088e88c29
SHA1d2edf4a30c302b0f6acead8686da2a6a6b996132
SHA256c16aaff4aa29832b64c8b4ec920ac15144c0f02da280f04700e78623167f29ff
SHA512e8592f9610ee0ad6a1b8a0d6e0bc9415352af82dfa01e53cb8bafa6ff3eb10d7f6acf6d6e7b753d2e9f900eaee57925355589f85ff55ab05ed527dee5fb0684a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d862cc9d1b08214612047bcd58c0d1dc
SHA19f0e47ffe59927ae790396c490f695715be6f4cc
SHA256fa6b60a3898562cab037fe62b22642aee89228fd7d59b62d0f1a711fb667e392
SHA5120524912686e24ad692c6a55e7d4a3dcb5e4ca34ad6ce3bdff403ef03e735d21bf532c4203163b06bf750952c87e66c42f1bf0d25a9bfb2dc92d969210235d5d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518543e63efb151217994286fc0779124
SHA1598aed25eca46d9eda4ab4e699839c3ab1630e8d
SHA25639eb11c6bfcf6fba80494fa888f8bc54ccf5f6b18c1b6c7b7764ef03b9920a68
SHA51298f2efa7c49e470685b7fbfa96bc45971c686f866f7586fdb0d58a62efdef63416d39bccd28696844690bb352051d8980cc9155deb76d4bee48be9e70ff3fa35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee3d8c43eaf310cf9c5f70a07b444309
SHA1ab34d12aad27acfe3da8fb4a44fc01ca834ec939
SHA256c94151cf8f588cbbb9b820e5b426e5867aff9f3244146939ba0defd6d274f309
SHA51251762d6a4f9cf156a0f626056802ce5f40a084dbd784550b519940a52ee0d322ddc24fb919ae3631d84048b0c3c5d61b5f067f1a9a01c3747f58c449b9fb8e95
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4230b246213032727888e9715817480
SHA106902a0250de9c0f139594e5919c7c36df9b4446
SHA2567153a488b07d1f3ddcabdf5fcaacab6000e5116ce3d8fd1d73c636d2fe1d698e
SHA512855cfb59b87520ffbb883e1d9844bc19aebf791ae700b7395a33bd229034458eb5575924431f5772da4e80882ba490f82b096d696d6f1c4a34d436a6bcf7a186
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Filesize
4.1MB
MD584593ad6f91078e2b257b80a7878f124
SHA10f4b30414c725598117e38b4f2863d79530b89c7
SHA25672f01fd34346b13de7f79371918dc61b8503b685a717e95a9e32662515940a80
SHA5127cba986b097c42f3c9b5702132a159ca4771803bf81bbd7c3361009c2539a500ebd7a83ad96e9d00e28b89610068ad5801ad791643af75baf55b2b97c128d2d7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec