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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/05/2024, 10:03
Static task
static1
Behavioral task
behavioral1
Sample
0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe
Resource
win10v2004-20240426-en
General
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Target
0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe
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Size
4.1MB
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MD5
32dbdf6471cf324b3475055515f96ba2
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SHA1
e345cb85e767acc10847078600300aeb98c72573
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SHA256
0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783
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SHA512
1e102cd0de238098cb09f45f055c0397a9fe98a8b16f3827e031a48334108caa5de3c07bbde1e64e8efb9c5f12753cd2c5ffa09e4a78356796fb32d54309edec
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SSDEEP
98304:UhY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtiaO:qYlRLXY4O+pXvrLaqWucb
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2260-2-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2260-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2260-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2260-55-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2260-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2956-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2956-128-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/872-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4784 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 872 csrss.exe 3884 injector.exe 2480 windefender.exe 2040 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1c-209.dat upx behavioral2/memory/2480-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2040-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2480-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2040-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2040-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe File created C:\Windows\rss\csrss.exe 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.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 1548 sc.exe -
pid Process 1880 powershell.exe 1188 powershell.exe 2944 powershell.exe 2268 powershell.exe 4340 powershell.exe 3204 powershell.exe 4856 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 4416 schtasks.exe 1216 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight 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,-511 = "Central Asia Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1188 powershell.exe 1188 powershell.exe 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2944 powershell.exe 2944 powershell.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 2268 powershell.exe 2268 powershell.exe 4340 powershell.exe 4340 powershell.exe 3204 powershell.exe 3204 powershell.exe 4856 powershell.exe 4856 powershell.exe 1880 powershell.exe 1880 powershell.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 872 csrss.exe 872 csrss.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 872 csrss.exe 872 csrss.exe 3884 injector.exe 3884 injector.exe 872 csrss.exe 872 csrss.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1188 powershell.exe Token: SeDebugPrivilege 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Token: SeImpersonatePrivilege 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeSystemEnvironmentPrivilege 872 csrss.exe Token: SeSecurityPrivilege 1548 sc.exe Token: SeSecurityPrivilege 1548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2260 wrote to memory of 1188 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 79 PID 2260 wrote to memory of 1188 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 79 PID 2260 wrote to memory of 1188 2260 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 79 PID 2956 wrote to memory of 2944 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 84 PID 2956 wrote to memory of 2944 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 84 PID 2956 wrote to memory of 2944 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 84 PID 2956 wrote to memory of 3088 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 86 PID 2956 wrote to memory of 3088 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 86 PID 3088 wrote to memory of 4784 3088 cmd.exe 88 PID 3088 wrote to memory of 4784 3088 cmd.exe 88 PID 2956 wrote to memory of 2268 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 89 PID 2956 wrote to memory of 2268 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 89 PID 2956 wrote to memory of 2268 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 89 PID 2956 wrote to memory of 4340 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 91 PID 2956 wrote to memory of 4340 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 91 PID 2956 wrote to memory of 4340 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 91 PID 2956 wrote to memory of 872 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 93 PID 2956 wrote to memory of 872 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 93 PID 2956 wrote to memory of 872 2956 0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe 93 PID 872 wrote to memory of 3204 872 csrss.exe 94 PID 872 wrote to memory of 3204 872 csrss.exe 94 PID 872 wrote to memory of 3204 872 csrss.exe 94 PID 872 wrote to memory of 4856 872 csrss.exe 99 PID 872 wrote to memory of 4856 872 csrss.exe 99 PID 872 wrote to memory of 4856 872 csrss.exe 99 PID 872 wrote to memory of 1880 872 csrss.exe 102 PID 872 wrote to memory of 1880 872 csrss.exe 102 PID 872 wrote to memory of 1880 872 csrss.exe 102 PID 872 wrote to memory of 3884 872 csrss.exe 104 PID 872 wrote to memory of 3884 872 csrss.exe 104 PID 2480 wrote to memory of 4472 2480 windefender.exe 110 PID 2480 wrote to memory of 4472 2480 windefender.exe 110 PID 2480 wrote to memory of 4472 2480 windefender.exe 110 PID 4472 wrote to memory of 1548 4472 cmd.exe 111 PID 4472 wrote to memory of 1548 4472 cmd.exe 111 PID 4472 wrote to memory of 1548 4472 cmd.exe 111 -
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\0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe"C:\Users\Admin\AppData\Local\Temp\0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
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C:\Users\Admin\AppData\Local\Temp\0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.exe"C:\Users\Admin\AppData\Local\Temp\0f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783.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:2956 -
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:2944
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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:3088 -
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:4784
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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:2268
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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:4340
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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:872 -
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:3204
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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:4416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3268
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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:4856
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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:1880
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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:3884
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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:1216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2480 -
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:4472 -
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:1548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2040
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efb96488353284e8e2e923a6f669c6ee
SHA130dad406c7beb1cef87d35a9388a1fc69d6a1d7c
SHA256cb2c6c446f204c2e12a767ca4d001eded413788aeb3802613a16c45f72693532
SHA512e1ec2e7db61e3489a57a32f35c5027e0620167ad040c78bb67ca66bc15244c950d2999699cc3d6bb5b7530366355b459a411ce439143df8523478f294f3c2cbf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ee969a6dc11c9e97c4dcde62b635b44
SHA1349d644a8029c4280bcc7ced53b231905535962d
SHA2567ca07443d3cb7bf29705a01e3285ff98f2a56009c966e0f6a9ccdafdf44d8308
SHA512c34c311bdd5120a02c486a4038b89c9ce3166cf0f796dfdb8e842141eb30c1ec58d0f952f7973a02e4032669586cdd378a9339faa16f82bffd90c745189eda56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b72683f23e63de173ea080be78aabbcf
SHA19cb2d243cc164e84cff40268196a556e2e96f0a8
SHA2569af0859fdd14a3984effb6e8abb715d11e3cfaf03b796bac1395fe6de1700337
SHA512ddb8afe3846c51bec66103c0c957dff88fa97787117d8b188249b123fa581cb0ab2e6d426f0eacc440e8e71a2ca5417fb6b94c59ccdfef6beb43d3149cf5c5f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586e81b6bf4ab2a2ecc15120a966f3335
SHA1a62df5896a179a1bf8c221af29b95945bdc241ad
SHA25655df5b0dbfe200383dfecd4f7967fd064e0b44a33d681e3932c0af793f961ae8
SHA5124964a72057a6304909751ba7bf95260106c588ec4669a7743dca61428dabab0d092612db57397a5ab040d2e244505b981de7eb05c5605fe21da5aeb37e90031a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b153eb3df5afb267f9a6b5790f7fa184
SHA12666c333f3a94f68bf0013d741c5e9b21ba390d0
SHA25699963fa786834acdbef988eb945f686cc54d755d873dd85dca39ab8ecbbb8287
SHA5128feebb7cc4f1d24e1d0b282fe5d30e345777ff094bc8378c5dd2c1f3459c3bc53a1f7e70e578ebbbea3568b20b425e2445f2f99b55030b058bdd82800c2a68e7
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Filesize
4.1MB
MD532dbdf6471cf324b3475055515f96ba2
SHA1e345cb85e767acc10847078600300aeb98c72573
SHA2560f9981bbe078cbecce81bb779739cd74c5ae10b88124b0934aa08ac0a562b783
SHA5121e102cd0de238098cb09f45f055c0397a9fe98a8b16f3827e031a48334108caa5de3c07bbde1e64e8efb9c5f12753cd2c5ffa09e4a78356796fb32d54309edec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec