Analysis
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max time kernel
150s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe
Resource
win10v2004-20240412-en
General
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Target
2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe
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Size
4.2MB
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MD5
3c2ca248add7f3cd420d2efe789b5457
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SHA1
4f91c6e9a3137914e2c83f6fbfdab880d6a1fde3
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SHA256
2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf
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SHA512
b210fd51bbbc88fdf4a0ed407aa10dd750c82148b61cc63a5dc44e3a3f71dfd75b9baa91a4f0adc58cbcee373bd1669a2cdcc1099be58eb3e7c24093ab40968b
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGu:XdVQtLoTZDg5GO9Bqlc2
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3184-2-0x0000000004280000-0x0000000004B6B000-memory.dmp family_glupteba behavioral2/memory/3184-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3184-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3736-54-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/3736-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3736-123-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3736-147-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-244-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/2112-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1648 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2112 csrss.exe 3528 injector.exe 4488 windefender.exe 404 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e1-247.dat upx behavioral2/memory/4488-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/404-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/404-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 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 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 -
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 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe File created C:\Windows\rss\csrss.exe 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.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 2768 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2220 3184 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1456 schtasks.exe 4556 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.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\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.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\26\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe 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\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5008 powershell.exe 5008 powershell.exe 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 2504 powershell.exe 2504 powershell.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 2024 powershell.exe 2024 powershell.exe 4308 powershell.exe 4308 powershell.exe 4656 powershell.exe 4656 powershell.exe 2360 powershell.exe 2360 powershell.exe 2468 powershell.exe 2468 powershell.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 2112 csrss.exe 2112 csrss.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 2112 csrss.exe 2112 csrss.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 2112 csrss.exe 2112 csrss.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe 3528 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Token: SeImpersonatePrivilege 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeSystemEnvironmentPrivilege 2112 csrss.exe Token: SeSecurityPrivilege 2768 sc.exe Token: SeSecurityPrivilege 2768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3184 wrote to memory of 5008 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 81 PID 3184 wrote to memory of 5008 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 81 PID 3184 wrote to memory of 5008 3184 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 81 PID 3736 wrote to memory of 2504 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 89 PID 3736 wrote to memory of 2504 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 89 PID 3736 wrote to memory of 2504 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 89 PID 3736 wrote to memory of 1636 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 91 PID 3736 wrote to memory of 1636 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 91 PID 1636 wrote to memory of 1648 1636 cmd.exe 93 PID 1636 wrote to memory of 1648 1636 cmd.exe 93 PID 3736 wrote to memory of 2024 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 94 PID 3736 wrote to memory of 2024 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 94 PID 3736 wrote to memory of 2024 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 94 PID 3736 wrote to memory of 4308 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 96 PID 3736 wrote to memory of 4308 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 96 PID 3736 wrote to memory of 4308 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 96 PID 3736 wrote to memory of 2112 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 98 PID 3736 wrote to memory of 2112 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 98 PID 3736 wrote to memory of 2112 3736 2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe 98 PID 2112 wrote to memory of 4656 2112 csrss.exe 99 PID 2112 wrote to memory of 4656 2112 csrss.exe 99 PID 2112 wrote to memory of 4656 2112 csrss.exe 99 PID 2112 wrote to memory of 2360 2112 csrss.exe 104 PID 2112 wrote to memory of 2360 2112 csrss.exe 104 PID 2112 wrote to memory of 2360 2112 csrss.exe 104 PID 2112 wrote to memory of 2468 2112 csrss.exe 107 PID 2112 wrote to memory of 2468 2112 csrss.exe 107 PID 2112 wrote to memory of 2468 2112 csrss.exe 107 PID 2112 wrote to memory of 3528 2112 csrss.exe 109 PID 2112 wrote to memory of 3528 2112 csrss.exe 109 PID 4488 wrote to memory of 872 4488 windefender.exe 115 PID 4488 wrote to memory of 872 4488 windefender.exe 115 PID 4488 wrote to memory of 872 4488 windefender.exe 115 PID 872 wrote to memory of 2768 872 cmd.exe 116 PID 872 wrote to memory of 2768 872 cmd.exe 116 PID 872 wrote to memory of 2768 872 cmd.exe 116 -
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\2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe"C:\Users\Admin\AppData\Local\Temp\2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Users\Admin\AppData\Local\Temp\2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.exe"C:\Users\Admin\AppData\Local\Temp\2d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf.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:3736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504
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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:1636 -
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:1648
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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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:2112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4656
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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:1456
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2468
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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:3528
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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:4556
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4488 -
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:872 -
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:2768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 9562⤵
- Program crash
PID:2220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3184 -ip 31841⤵PID:772
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:404
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
MD54278fef99fac402f67bf5d4bf21334ad
SHA1a935d4480ec2de7e73bd684b68c7c3d2176d4cc1
SHA25694b95ba524982ea2fe4e92cf339c443fea1f9415528b1544d16bb3556a68db89
SHA512f3b35a0a956201cc079c9e059d38b5034a7600452bb709f8e001f62b568981f881e3aa3456b8c361cdbb40e8eb47fde5c728cd1c2582869e6b10fa04163373bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56890a3ab12f486eb871cf5d5c636bc59
SHA1550040815d403771a167ae853f1268bfeb2ee251
SHA25632a1810b3d838096b015b1d5d7d8f617e2cd83548dd08e227d5b3c9e92abec85
SHA5124ddc473df6b31f7d55bba696b7746171fe6ad5f6189ced71f5d1b0f281340917996b6297d76fe15dda6cf00c81532ada8a58be9f759088f8ca69aaf1c8828ace
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb795cf9f6d7541d0e2d364381a1b23c
SHA1470c873caf8a5a8c0df03dd8d125bc98da6fec53
SHA2565a6cc578d450347820ceee49387ea1af96d3e5e3273381a492e9171efeb23770
SHA51239a3ffffc0adcdb30e834f6c01c1b2da703932adc875058a29dbf47f1e38b06674563df57283bd97eb5c2222862ee6bfe494d5676d6eb69ff4fd94bd022e6417
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592e4eb0af17c235f3b2ef63c545c9f12
SHA1fbefb418dd213af9d8ccbcc897aaa1bd53fbb81e
SHA2569f38225f5f389003ad3255d66fdb3fe0084abc58b79810b4402cd5197bcc0260
SHA512caf630f108d4d2ad0a02b66779d55a8ed0a1d978e8406e09011109e887b3c9d8d0b53762904c202d9837f7ee51a1c561048af0a7a1813305fcae04199ecf08ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511e5f3c291c12ad947f81a6636d5d7b8
SHA1691c9609db3db5b2144c7fefde193af8a73d0243
SHA2566d2697a666d06949bb50fe2384e7ea0f02140131334b57138a11242f835bf662
SHA5121cc0a725cc0af780bac8b8743302296e6c96e0cbdc0e3e0e51bd81b48a07b3109a9f1df8eb195c09e515a26d897f4fc8fd3534ec745a5498b517b06bbae9f2f4
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Filesize
4.2MB
MD53c2ca248add7f3cd420d2efe789b5457
SHA14f91c6e9a3137914e2c83f6fbfdab880d6a1fde3
SHA2562d9f8dedcd0763e47a8c0adc514992596e7dcc0bc00260a8721a1dcea9d686bf
SHA512b210fd51bbbc88fdf4a0ed407aa10dd750c82148b61cc63a5dc44e3a3f71dfd75b9baa91a4f0adc58cbcee373bd1669a2cdcc1099be58eb3e7c24093ab40968b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec