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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/04/2024, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe
Resource
win10v2004-20240226-en
General
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Target
6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe
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Size
4.1MB
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MD5
b068b5a5ee8be4de86f67b5c2b5bf5d5
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SHA1
5e18f8587e2f0dcb60b7b8da2ba34b322dc3a101
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SHA256
6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e
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SHA512
bcedd5ef88e873b4273b6d5938854655006866f8fdcfcea0f845c2ce7dc6582b1787a5f4b668ae9e7bc09c73d1e574dc2bfe5d46a24cd7b8d62e8dd3ed2c7cc7
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SSDEEP
98304:gmt2HMNzbl5vG6exEEj3um3jyNJdQ91UKr1D7kBRa7m:gmt2Hsbl5vMradQvtZvri
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4976-2-0x0000000005230000-0x0000000005B1B000-memory.dmp family_glupteba behavioral2/memory/4976-3-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/4976-24-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/4976-51-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/4976-53-0x0000000005230000-0x0000000005B1B000-memory.dmp family_glupteba behavioral2/memory/3096-63-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/3096-122-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/3096-130-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-153-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-210-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-213-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-216-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-219-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-222-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-225-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-228-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba behavioral2/memory/2000-231-0x0000000000400000-0x0000000002ED3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1756 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2000 csrss.exe 4332 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\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 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe File created C:\Windows\rss\csrss.exe 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.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 2828 schtasks.exe 1064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.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,-281 = "Central Europe Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 908 powershell.exe 908 powershell.exe 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3912 powershell.exe 3912 powershell.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 4168 powershell.exe 4168 powershell.exe 1380 powershell.exe 1380 powershell.exe 3584 powershell.exe 3584 powershell.exe 2160 powershell.exe 2160 powershell.exe 2516 powershell.exe 2516 powershell.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 2000 csrss.exe 2000 csrss.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 2000 csrss.exe 2000 csrss.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe 4332 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 908 powershell.exe Token: SeDebugPrivilege 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Token: SeImpersonatePrivilege 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeSystemEnvironmentPrivilege 2000 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4976 wrote to memory of 908 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 81 PID 4976 wrote to memory of 908 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 81 PID 4976 wrote to memory of 908 4976 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 81 PID 3096 wrote to memory of 3912 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 86 PID 3096 wrote to memory of 3912 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 86 PID 3096 wrote to memory of 3912 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 86 PID 3096 wrote to memory of 4480 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 88 PID 3096 wrote to memory of 4480 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 88 PID 4480 wrote to memory of 1756 4480 cmd.exe 90 PID 4480 wrote to memory of 1756 4480 cmd.exe 90 PID 3096 wrote to memory of 4168 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 91 PID 3096 wrote to memory of 4168 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 91 PID 3096 wrote to memory of 4168 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 91 PID 3096 wrote to memory of 1380 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 93 PID 3096 wrote to memory of 1380 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 93 PID 3096 wrote to memory of 1380 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 93 PID 3096 wrote to memory of 2000 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 95 PID 3096 wrote to memory of 2000 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 95 PID 3096 wrote to memory of 2000 3096 6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe 95 PID 2000 wrote to memory of 3584 2000 csrss.exe 96 PID 2000 wrote to memory of 3584 2000 csrss.exe 96 PID 2000 wrote to memory of 3584 2000 csrss.exe 96 PID 2000 wrote to memory of 2160 2000 csrss.exe 102 PID 2000 wrote to memory of 2160 2000 csrss.exe 102 PID 2000 wrote to memory of 2160 2000 csrss.exe 102 PID 2000 wrote to memory of 2516 2000 csrss.exe 104 PID 2000 wrote to memory of 2516 2000 csrss.exe 104 PID 2000 wrote to memory of 2516 2000 csrss.exe 104 PID 2000 wrote to memory of 4332 2000 csrss.exe 106 PID 2000 wrote to memory of 4332 2000 csrss.exe 106 -
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\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe"C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:908
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C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.exe"C:\Users\Admin\AppData\Local\Temp\6cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e.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:3096 -
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:3912
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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:4480 -
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:1756
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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:4168
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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:1380
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
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:3584
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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:2828
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:580
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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:2160
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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:2516
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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:4332
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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:1064
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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
MD5ef3a689145f49422c54d9fc58536d67b
SHA194f76dd2553837b66320dbeaebd2bb9ad961fbc4
SHA256b3551f933ad1e47d04840174ad60c6a7c7d87ce37a63065a23a49974e1e745a0
SHA5121b965f3bada1af25c2436348716e925541d36eaf969a6c2ca31cabc39ebd6c9a6cf78bf55c1e0dbed3eaa0eac7a9719e27046ea1394cad0a01d06e2885d83c67
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544a3a9d152da10cc572ae08c4d218a10
SHA1da408eb5fb972c3e65209f586d8f249574bc8660
SHA25622eb3572be59936fce304fb1cb9506243e45ddffd8a680db148114ad9de916a0
SHA5129a4bb79f4f9cb1903ee3049ad447781cb8769669d3e3f256b2f9a0f8489fec61a351e28f42a39730dcf93f3b968899855aa837e71ce17b78d328085506fb7e8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b0239a67b79b165b517da130b8a3e38
SHA12a5616d569420bfcb80f531bb67f55fd49c7b93d
SHA2566f34f37384a4744d8cda95591b9788d99536eb1ae952e58a300ff5843a7cea03
SHA512252b04d002a2fb6ddba67462ad22258ee3e68463794b216f093c7021e8e11b1593c950d0697e5382c2a823589079e78fa3bad179da8a798862385eff0d654aae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3d4843f8b54c0d7fbf5a4710de8bc6d
SHA1dd6c683f67d6486a061837e7e38043a1ac3f5b19
SHA256e80b5faddf3b1dfeaaab5583fa5fecb185efec62513b789bfb7fadcbc58e33ae
SHA5120c4ec62a33d469660a1833e109b2718c393a3de9979d4b2c56903bcaf3333dcfbe06322992a2726befe570d5b08afd61712e69b37a53fb86ab4f6aeb6b574f3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56671d93f9e461eaff0504c32ba3fb28d
SHA16e18de861dcf459203983016fedba3275cc70b4a
SHA256b22cf290d41cfa3002009f59ae8a9fdf634dfa133e7656ce4311f58f52b8551f
SHA512efa52b3fa4f86cec66a10def44765339d97046aa1399cb34a8f44114341769aacb3b8c517358f958ab6e1d9976d741cebdb3ce185b49ef11f3e762e6efbe6864
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Filesize
4.1MB
MD5b068b5a5ee8be4de86f67b5c2b5bf5d5
SHA15e18f8587e2f0dcb60b7b8da2ba34b322dc3a101
SHA2566cfa7bcedd6d520680771a1c26ace9e12c0d1756d0409353a1ee084d73e0b96e
SHA512bcedd5ef88e873b4273b6d5938854655006866f8fdcfcea0f845c2ce7dc6582b1787a5f4b668ae9e7bc09c73d1e574dc2bfe5d46a24cd7b8d62e8dd3ed2c7cc7