Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:31
Static task
static1
Behavioral task
behavioral1
Sample
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe
Resource
win10v2004-20240508-en
General
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Target
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe
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Size
4.1MB
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MD5
4f74ac496254af3fe3e9fb4347dec3bb
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SHA1
20ab8010f608f876c9f073bf70f9ef9153ddfb46
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SHA256
5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5
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SHA512
cfe2596f98fef94145abba977072d4c4b3d6d5611ff11ad43646542d4a2d153470f17e5d9167e11686f52fa98413d6390764239fac3454265aaf7139c20b4920
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SSDEEP
98304:VwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpT:VwqoWyv4yANjKQa7o9
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1736-2-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/1736-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1736-28-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1736-56-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1736-58-0x0000000004F50000-0x000000000583B000-memory.dmp family_glupteba behavioral1/memory/1736-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2904-81-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/2904-137-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-162-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-230-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-233-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-235-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-238-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-242-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-245-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-247-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-250-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1396-254-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4940 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1396 csrss.exe 1448 injector.exe 3784 windefender.exe 1144 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233d5-222.dat upx behavioral1/memory/3784-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1144-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3784-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1144-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1144-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe File created C:\Windows\rss\csrss.exe 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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 3932 sc.exe -
pid Process 768 powershell.exe 1704 powershell.exe 4816 powershell.exe 1972 powershell.exe 4604 powershell.exe 4072 powershell.exe 4840 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 4312 schtasks.exe 5108 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,-372 = "Jerusalem Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-352 = "FLE Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-435 = "Georgian 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,-491 = "India Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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\TrustedPeople\CTLs 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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4604 powershell.exe 4604 powershell.exe 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 4072 powershell.exe 4072 powershell.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 4840 powershell.exe 4840 powershell.exe 768 powershell.exe 768 powershell.exe 1704 powershell.exe 1704 powershell.exe 4816 powershell.exe 4816 powershell.exe 1972 powershell.exe 1972 powershell.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1396 csrss.exe 1396 csrss.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1396 csrss.exe 1396 csrss.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1396 csrss.exe 1396 csrss.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Token: SeImpersonatePrivilege 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 768 powershell.exe Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeSystemEnvironmentPrivilege 1396 csrss.exe Token: SeSecurityPrivilege 3932 sc.exe Token: SeSecurityPrivilege 3932 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1736 wrote to memory of 4604 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 81 PID 1736 wrote to memory of 4604 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 81 PID 1736 wrote to memory of 4604 1736 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 81 PID 2904 wrote to memory of 4072 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 86 PID 2904 wrote to memory of 4072 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 86 PID 2904 wrote to memory of 4072 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 86 PID 2904 wrote to memory of 2176 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 88 PID 2904 wrote to memory of 2176 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 88 PID 2176 wrote to memory of 4940 2176 cmd.exe 90 PID 2176 wrote to memory of 4940 2176 cmd.exe 90 PID 2904 wrote to memory of 4840 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 2904 wrote to memory of 4840 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 2904 wrote to memory of 4840 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 91 PID 2904 wrote to memory of 768 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 94 PID 2904 wrote to memory of 768 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 94 PID 2904 wrote to memory of 768 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 94 PID 2904 wrote to memory of 1396 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 96 PID 2904 wrote to memory of 1396 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 96 PID 2904 wrote to memory of 1396 2904 5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe 96 PID 1396 wrote to memory of 1704 1396 csrss.exe 97 PID 1396 wrote to memory of 1704 1396 csrss.exe 97 PID 1396 wrote to memory of 1704 1396 csrss.exe 97 PID 1396 wrote to memory of 4816 1396 csrss.exe 103 PID 1396 wrote to memory of 4816 1396 csrss.exe 103 PID 1396 wrote to memory of 4816 1396 csrss.exe 103 PID 1396 wrote to memory of 1972 1396 csrss.exe 105 PID 1396 wrote to memory of 1972 1396 csrss.exe 105 PID 1396 wrote to memory of 1972 1396 csrss.exe 105 PID 1396 wrote to memory of 1448 1396 csrss.exe 107 PID 1396 wrote to memory of 1448 1396 csrss.exe 107 PID 3784 wrote to memory of 4072 3784 windefender.exe 113 PID 3784 wrote to memory of 4072 3784 windefender.exe 113 PID 3784 wrote to memory of 4072 3784 windefender.exe 113 PID 4072 wrote to memory of 3932 4072 cmd.exe 114 PID 4072 wrote to memory of 3932 4072 cmd.exe 114 PID 4072 wrote to memory of 3932 4072 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604
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C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.exe"C:\Users\Admin\AppData\Local\Temp\5c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5.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:2904 -
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:4072
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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:2176 -
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:4940
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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:4840
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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:768
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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:1396 -
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:1704
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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:4312
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1140
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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:4816
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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:1972
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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:1448
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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:5108
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3784 -
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:4072 -
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:3932
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1144
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bb55b6df821648faa740926ede5c68b
SHA1f25ef046b8ae0437397cbfd72d163626af380494
SHA256aedabbbb738d8680deef536f9044b0d18570e711f4d95c1c195661e141eb32a0
SHA512f642b816ee00eb691a5ea722e1cedf07123d94a5b4037bc303c604c3e860f21ce396874e7290bce1c7eb487f43baf026b768f91f8d0dad896d31060be71b8822
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50e56e7aded9549c463277e1b4c69cbd5
SHA168d65ab11992bbc51755325966ecd19fa70fbcaa
SHA256345d50c6ead1476ba85698c5f798d9e42fff559c71192542fd3c7a5c87fe6469
SHA512c977dedcbef544b9e68406fdf68ba585ce410dd19b203d77676b080cf51da6ae2a911fe660199f7d1fe1a5aba3f4af71be846d9bea989766b6461cbcafda191c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5214829bf98c47709757bb47ef87fc93b
SHA197867bffa9a98829bea6ce23ca9f1393a2872d9f
SHA256c9807303432743e43e1b88ce96715b2395b987e7e00252c2df699f757d66f037
SHA51209578b6cf24354903e4acc9b6fe97986a34373c83c3949fb3796651378620a2951ccb27ba1c047dca606c3a750f6ce3096863d869c6f150c5f70e7d8db093390
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5472fc8f05d50ea18c5589a329518e4d7
SHA1856b5e5ae625692c6e1c4518e2ea3ebfae4d53cc
SHA256a514c2242572a8dfa357f7a3c2ff5ffc7c2c3f2e12a199238b6f90a2d670e456
SHA5124400a0dacd3990edc07377ce4ae06daf4b03296fdc05b3538b0c33eacfbd89ef571725c57875c56710752d670c05d8ea5151cf896da4171bbe05139ecfaf05be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577ff5ed8029ce6d88b58f3f6179d822e
SHA1076c69aa56a45394000199257e032c3a0a3e0f8e
SHA25665feb3c8a1ec619facc1ebb1e6374d73a676ebffb9d2fdb4525dadff78838e6f
SHA5125285ab13551c4fca37f234af1d00479aa0b482545f7d45145f038034d496aed79eb1849202320d5a0ca1d6e70a8483b542258fcb2deb742f2f142a55789bcddf
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Filesize
4.1MB
MD54f74ac496254af3fe3e9fb4347dec3bb
SHA120ab8010f608f876c9f073bf70f9ef9153ddfb46
SHA2565c436987fe512830666fc0930e25c1b790f359029fb987cf6bc6549baf6846f5
SHA512cfe2596f98fef94145abba977072d4c4b3d6d5611ff11ad43646542d4a2d153470f17e5d9167e11686f52fa98413d6390764239fac3454265aaf7139c20b4920
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec