Analysis
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max time kernel
149s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:40
Static task
static1
Behavioral task
behavioral1
Sample
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe
Resource
win10v2004-20240508-en
General
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Target
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe
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Size
4.1MB
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MD5
467307e1b961dbe851eedac1a9adb783
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SHA1
7333f409806540eb6478f844ba7ebb3570d15f62
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SHA256
24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37
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SHA512
6c9385bf7a14c600e269076aa13720149926ec63dcb822ae9bbd102a80f24271edf3e8325023a6d83af2af49b08e98384187a9eeacf4d72d6d463d6c33ce7925
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SSDEEP
98304:ieUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGh:igHncLBP5HkIsFwf3u4kByfxbhO6
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4880-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-119-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3928-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-204-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1652-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3800 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1652 csrss.exe 1036 injector.exe 3756 windefender.exe 4272 windefender.exe -
resource yara_rule behavioral2/files/0x000300000002a9dd-203.dat upx behavioral2/memory/3756-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3756-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe File created C:\Windows\rss\csrss.exe 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2500 sc.exe -
pid Process 3052 powershell.exe 1012 powershell.exe 4928 powershell.exe 2540 powershell.exe 1656 powershell.exe 432 powershell.exe 1892 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 220 schtasks.exe 1720 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,-2182 = "Astrakhan Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan 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" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3052 powershell.exe 3052 powershell.exe 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 1012 powershell.exe 1012 powershell.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 4928 powershell.exe 4928 powershell.exe 2540 powershell.exe 2540 powershell.exe 1656 powershell.exe 1656 powershell.exe 432 powershell.exe 432 powershell.exe 1892 powershell.exe 1892 powershell.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1652 csrss.exe 1652 csrss.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1652 csrss.exe 1652 csrss.exe 1036 injector.exe 1036 injector.exe 1652 csrss.exe 1652 csrss.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe 1036 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Token: SeImpersonatePrivilege 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 2540 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeSystemEnvironmentPrivilege 1652 csrss.exe Token: SeSecurityPrivilege 2500 sc.exe Token: SeSecurityPrivilege 2500 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4880 wrote to memory of 3052 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 82 PID 4880 wrote to memory of 3052 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 82 PID 4880 wrote to memory of 3052 4880 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 82 PID 3928 wrote to memory of 1012 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 89 PID 3928 wrote to memory of 1012 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 89 PID 3928 wrote to memory of 1012 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 89 PID 3928 wrote to memory of 2392 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 91 PID 3928 wrote to memory of 2392 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 91 PID 2392 wrote to memory of 3800 2392 cmd.exe 93 PID 2392 wrote to memory of 3800 2392 cmd.exe 93 PID 3928 wrote to memory of 4928 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 3928 wrote to memory of 4928 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 3928 wrote to memory of 4928 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 94 PID 3928 wrote to memory of 2540 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 98 PID 3928 wrote to memory of 2540 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 98 PID 3928 wrote to memory of 2540 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 98 PID 3928 wrote to memory of 1652 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 101 PID 3928 wrote to memory of 1652 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 101 PID 3928 wrote to memory of 1652 3928 24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe 101 PID 1652 wrote to memory of 1656 1652 csrss.exe 102 PID 1652 wrote to memory of 1656 1652 csrss.exe 102 PID 1652 wrote to memory of 1656 1652 csrss.exe 102 PID 1652 wrote to memory of 432 1652 csrss.exe 107 PID 1652 wrote to memory of 432 1652 csrss.exe 107 PID 1652 wrote to memory of 432 1652 csrss.exe 107 PID 1652 wrote to memory of 1892 1652 csrss.exe 110 PID 1652 wrote to memory of 1892 1652 csrss.exe 110 PID 1652 wrote to memory of 1892 1652 csrss.exe 110 PID 1652 wrote to memory of 1036 1652 csrss.exe 112 PID 1652 wrote to memory of 1036 1652 csrss.exe 112 PID 3756 wrote to memory of 4160 3756 windefender.exe 118 PID 3756 wrote to memory of 4160 3756 windefender.exe 118 PID 3756 wrote to memory of 4160 3756 windefender.exe 118 PID 4160 wrote to memory of 2500 4160 cmd.exe 119 PID 4160 wrote to memory of 2500 4160 cmd.exe 119 PID 4160 wrote to memory of 2500 4160 cmd.exe 119 -
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\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3052
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C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.exe"C:\Users\Admin\AppData\Local\Temp\24103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37.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:3928 -
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:1012
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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:2392 -
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:3800
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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:4928
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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:2540
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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:1652 -
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:1656
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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:1720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3700
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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:432
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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:1892
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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:1036
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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:220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3756 -
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:4160 -
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:2500
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4272
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5227bc8afc8585fa36899ccb23f2aa52c
SHA14511f859df6a5b926febff037aad182b3ed05470
SHA256f2d2fb66e9bf97e3b2a78324c0df38d15e80f2772845746b464f5a3c45ba7e79
SHA512bf5189433741ccdd736037d67dc61b661c28d3d0e0bb220f5647fabfcd149de4932ae10812102dbbf31cf66a00886572b164bebb8a50342702339f6228e51d25
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d62902dafc90b5b5c14fc5d40c1a061
SHA1ecaa7e59ee874ff748c8c4077c449b4760183718
SHA256656a48da8974237fe952e1fb9ef1a25f7c1fc303d9c6b8f05019955aea50a564
SHA512eff1d5cd7b17d26565854137543d0c934259968a873955df1921fe80c1db7e1aaf81a6e4a517bcefcf2327c95694d9c32b7c13fa5db32d8563c811320555e64b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ee50d1c4855ceb5050097de522e73e8
SHA15fb9127b21e4c2b3fc8e40d29577775e8fb76194
SHA256954caca4b642a6b31d887ad105ba9abb221937b21e21e0a1f3301c0c9ef7aff0
SHA5120ad19accd96c3802f43c77019e418418c61a5ee73818fc42babebb53bb6c65da16c6f700ad6b52716e4e384b5225bf6d5a86d119431635ddca51c42ca8caf646
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577b24b2cfc342dea08448fe29c1a751e
SHA10b28b79d9b40619dcd1ccccb95750609a4e84268
SHA25611b673bc98bdf3641f0df11c6ff0f8fb99b32cdff3a8929b09d3d4ae86bc017d
SHA5120b6fccc31ec71611c2430a2f2f85d4ab2ae4f774cd1084302081ebb80c6063a38784403300daa2141db231406c75fcca0fe778e446269c0494dd79949b662e30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bcefe3c0c7711ffb3fc106488c85ec33
SHA1d2d052d843ebd9e15646e2fd0835cc0f9c7e9e63
SHA256ea406a19a85609ad76d2888e2974707774919292f72c5df50d0aa1387f2fb34f
SHA512ddb633606de6895ff258a0f559836a7cc261a6eaa323d93efda0dacb8594e3e6cde9200aa926a2dcf7f5d31e0a09bb3bd5d04c1d117209d90ee25d3f8cb43d29
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Filesize
4.1MB
MD5467307e1b961dbe851eedac1a9adb783
SHA17333f409806540eb6478f844ba7ebb3570d15f62
SHA25624103f0c1614f02dfd853982eb0d64b18b966eb351174aecc02bbf1c3323ad37
SHA5126c9385bf7a14c600e269076aa13720149926ec63dcb822ae9bbd102a80f24271edf3e8325023a6d83af2af49b08e98384187a9eeacf4d72d6d463d6c33ce7925
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec