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Analysis
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max time kernel
151s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/04/2024, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe
Resource
win10v2004-20240226-en
General
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Target
e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe
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Size
4.1MB
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MD5
7c6f12c38071f811585293e811e58fb5
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SHA1
affd26e62e65b63ba46234859055f25c8ad74a68
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SHA256
e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37
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SHA512
94497a18a33eeb38b22cfb4dacb444d26a19a61696780189c704ed19ae8e9e27ae856fbeaee727743a934b73c422c48dd51e6865d9150c5220bea79aa1d0e630
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SSDEEP
98304:nZTJtvrSQI+RdfgxNOWs+luvBV3Kjpf8MTPWtsil5N:ZVJ5f9clKG+MTut9V
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/752-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/752-3-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/752-20-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/752-27-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/752-41-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/752-57-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4928-59-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/4928-60-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4928-91-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4928-107-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4928-121-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4928-150-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4328-210-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4328-244-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4328-252-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4328-253-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral2/memory/4328-256-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4620 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4328 csrss.exe 4476 injector.exe 1288 windefender.exe 2348 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7de-247.dat upx behavioral2/memory/1288-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\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 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe File created C:\Windows\rss\csrss.exe e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4260 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4964 752 WerFault.exe 79 3556 4928 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 704 schtasks.exe 2932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 992 powershell.exe 992 powershell.exe 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 3440 powershell.exe 3440 powershell.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 72 powershell.exe 72 powershell.exe 3536 powershell.exe 3536 powershell.exe 1032 powershell.exe 1032 powershell.exe 3104 powershell.exe 3104 powershell.exe 576 powershell.exe 576 powershell.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4328 csrss.exe 4328 csrss.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4328 csrss.exe 4328 csrss.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4328 csrss.exe 4328 csrss.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe 4476 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Token: SeImpersonatePrivilege 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe Token: SeDebugPrivilege 3440 powershell.exe Token: SeDebugPrivilege 72 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 3104 powershell.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeSystemEnvironmentPrivilege 4328 csrss.exe Token: SeSecurityPrivilege 4260 sc.exe Token: SeSecurityPrivilege 4260 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 752 wrote to memory of 992 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 82 PID 752 wrote to memory of 992 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 82 PID 752 wrote to memory of 992 752 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 82 PID 4928 wrote to memory of 3440 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 90 PID 4928 wrote to memory of 3440 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 90 PID 4928 wrote to memory of 3440 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 90 PID 4928 wrote to memory of 3676 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 92 PID 4928 wrote to memory of 3676 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 92 PID 3676 wrote to memory of 4620 3676 cmd.exe 94 PID 3676 wrote to memory of 4620 3676 cmd.exe 94 PID 4928 wrote to memory of 72 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 95 PID 4928 wrote to memory of 72 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 95 PID 4928 wrote to memory of 72 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 95 PID 4928 wrote to memory of 3536 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 97 PID 4928 wrote to memory of 3536 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 97 PID 4928 wrote to memory of 3536 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 97 PID 4928 wrote to memory of 4328 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 99 PID 4928 wrote to memory of 4328 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 99 PID 4928 wrote to memory of 4328 4928 e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe 99 PID 4328 wrote to memory of 1032 4328 csrss.exe 102 PID 4328 wrote to memory of 1032 4328 csrss.exe 102 PID 4328 wrote to memory of 1032 4328 csrss.exe 102 PID 4328 wrote to memory of 3104 4328 csrss.exe 108 PID 4328 wrote to memory of 3104 4328 csrss.exe 108 PID 4328 wrote to memory of 3104 4328 csrss.exe 108 PID 4328 wrote to memory of 576 4328 csrss.exe 110 PID 4328 wrote to memory of 576 4328 csrss.exe 110 PID 4328 wrote to memory of 576 4328 csrss.exe 110 PID 4328 wrote to memory of 4476 4328 csrss.exe 112 PID 4328 wrote to memory of 4476 4328 csrss.exe 112 PID 1288 wrote to memory of 4212 1288 windefender.exe 118 PID 1288 wrote to memory of 4212 1288 windefender.exe 118 PID 1288 wrote to memory of 4212 1288 windefender.exe 118 PID 4212 wrote to memory of 4260 4212 cmd.exe 119 PID 4212 wrote to memory of 4260 4212 cmd.exe 119 PID 4212 wrote to memory of 4260 4212 cmd.exe 119 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe"C:\Users\Admin\AppData\Local\Temp\e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:992
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C:\Users\Admin\AppData\Local\Temp\e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.exe"C:\Users\Admin\AppData\Local\Temp\e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37.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:4928 -
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:3440
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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:3676 -
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:4620
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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:72
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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:3536
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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:4328 -
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:1032
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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:704
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1056
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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:3104
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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:576
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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:4476
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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:2932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1288 -
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:4212 -
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:4260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 8283⤵
- Program crash
PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 9002⤵
- Program crash
PID:4964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 752 -ip 7521⤵PID:2344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4928 -ip 49281⤵PID:4480
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:2348
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
MD51b4446472b1adbb6e4e1a67370a79a2a
SHA1ec0b063fac61f38758e013db8a7e76e4e8880bfc
SHA2566bb4b395823f71ec5d2024abbcbbfee3e718093a3729cf2c92fa63d6783a7748
SHA5123c6bdee3264a518a9a4de0803cc012900f327c74af0487f3b1f1d0b8f1147c904c545a71c5396279ea49a80f977899460b32f1a8a8b140ab6441546e87d09fbc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e53c6074766b87f30753cb167c804fea
SHA174db1c160f9327d49b0e1bb85ec18107a03c329e
SHA256322004e3a908e22e17308acf52feeff3238dd42f8b5758ccaa43db098ef01f71
SHA51289f1f511827a94b9124a52bfd4f8208dece8810164e38f2932a349bdc3747646213a7b311f3467e9459eed91d12e0c547ec0fb11b0ca65f6c6d7aa027ecef000
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac92683986ce20cae81144d209ce5886
SHA13ab2587d0b3496acedbd399764f96c170f51d87e
SHA2566ad3625b07c2a45ab4eb5f99bc50384b5dee160db67faa3465eead52d9cc21c1
SHA512825916a9670717fa651e06313456121a3bff590dd6789f11d0994794df661f616fd4dae44c862533a1eb64b87dba8bf7cc93d711ca3c72e8f5cee398a06a0e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5803102101146bc96be972bab2aa9b78d
SHA164fb6c6328f21bd95b9b20a98ed4198bf62c3b6e
SHA256095a4aa2b3ac637fa46de7b8acd62fb93ac808233e7b41d9246789289772b4f2
SHA5122fe3600bb12241c113f1298f5c812fe70563a24cab39695d9949e428436cc1cbcbb2a49fbe6c5965c224c0e9a6a9c7b539699c2e6cc3adfc607278e120f681e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a526bfacf97aa24a612e6528e577daee
SHA1465fc30433bec4192c71f77bb3ad0510d88dd396
SHA25625ed0fc7b9e3a18f5194a30b94f5c8be2f6ab299cd252a1551e31ada0905ce31
SHA5128ed4b8b83a1788fc38376d052d19fa0653b85bf1b5f24efab276f1edb1b21fb078d38c676c557b24feb263939331b95d65407444a79b0ef7202d73699005ec28
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Filesize
4.1MB
MD57c6f12c38071f811585293e811e58fb5
SHA1affd26e62e65b63ba46234859055f25c8ad74a68
SHA256e0b77eda896d4df44450996abccdbfee79d11804f428b944bffbaf40f291da37
SHA51294497a18a33eeb38b22cfb4dacb444d26a19a61696780189c704ed19ae8e9e27ae856fbeaee727743a934b73c422c48dd51e6865d9150c5220bea79aa1d0e630
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec