Analysis
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max time kernel
120s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 19:15
Static task
static1
Behavioral task
behavioral1
Sample
5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe
Resource
win10v2004-20240508-en
General
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Target
5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe
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Size
4.1MB
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MD5
6916ab137d90c3ed5b5891a12c1005ab
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SHA1
c36965e93a28775ec4828aa5c60718f4ab19d7a5
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SHA256
5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630
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SHA512
3e49123eff47b75272b1b12f7f7fe6bbbafe7c8f6ddb7cd18a9ad48f9c1dfb0c70ba466375dca002513fd699cc9a2272581e516e51ed0355704a137a357807d8
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SSDEEP
98304:nvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1J:nv8u49ZH7eDfxu9yMsEJ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3856-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/3856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3856-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3856-63-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/3856-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3104-126-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-194-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-206-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/5116-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2468 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5116 csrss.exe 2400 injector.exe 1260 windefender.exe 472 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f0-204.dat upx behavioral2/memory/1260-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/472-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1260-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/472-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/472-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 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 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2544 sc.exe -
pid Process 2696 powershell.exe 1164 powershell.exe 4632 powershell.exe 1068 powershell.exe 3148 powershell.exe 5068 powershell.exe 1072 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1528 schtasks.exe 4216 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.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,-3141 = "South Sudan Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1068 powershell.exe 1068 powershell.exe 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3148 powershell.exe 3148 powershell.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 5068 powershell.exe 5068 powershell.exe 1072 powershell.exe 1072 powershell.exe 2696 powershell.exe 2696 powershell.exe 1164 powershell.exe 1164 powershell.exe 4632 powershell.exe 4632 powershell.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 5116 csrss.exe 5116 csrss.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 5116 csrss.exe 5116 csrss.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 5116 csrss.exe 5116 csrss.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe 2400 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Token: SeImpersonatePrivilege 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeSystemEnvironmentPrivilege 5116 csrss.exe Token: SeSecurityPrivilege 2544 sc.exe Token: SeSecurityPrivilege 2544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3856 wrote to memory of 1068 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 79 PID 3856 wrote to memory of 1068 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 79 PID 3856 wrote to memory of 1068 3856 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 79 PID 3104 wrote to memory of 3148 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 84 PID 3104 wrote to memory of 3148 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 84 PID 3104 wrote to memory of 3148 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 84 PID 3104 wrote to memory of 2544 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 111 PID 3104 wrote to memory of 2544 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 111 PID 2544 wrote to memory of 2468 2544 cmd.exe 88 PID 2544 wrote to memory of 2468 2544 cmd.exe 88 PID 3104 wrote to memory of 5068 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 89 PID 3104 wrote to memory of 5068 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 89 PID 3104 wrote to memory of 5068 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 89 PID 3104 wrote to memory of 1072 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 91 PID 3104 wrote to memory of 1072 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 91 PID 3104 wrote to memory of 1072 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 91 PID 3104 wrote to memory of 5116 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 93 PID 3104 wrote to memory of 5116 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 93 PID 3104 wrote to memory of 5116 3104 5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe 93 PID 5116 wrote to memory of 2696 5116 csrss.exe 94 PID 5116 wrote to memory of 2696 5116 csrss.exe 94 PID 5116 wrote to memory of 2696 5116 csrss.exe 94 PID 5116 wrote to memory of 1164 5116 csrss.exe 100 PID 5116 wrote to memory of 1164 5116 csrss.exe 100 PID 5116 wrote to memory of 1164 5116 csrss.exe 100 PID 5116 wrote to memory of 4632 5116 csrss.exe 102 PID 5116 wrote to memory of 4632 5116 csrss.exe 102 PID 5116 wrote to memory of 4632 5116 csrss.exe 102 PID 5116 wrote to memory of 2400 5116 csrss.exe 104 PID 5116 wrote to memory of 2400 5116 csrss.exe 104 PID 1260 wrote to memory of 3292 1260 windefender.exe 110 PID 1260 wrote to memory of 3292 1260 windefender.exe 110 PID 1260 wrote to memory of 3292 1260 windefender.exe 110 PID 3292 wrote to memory of 2544 3292 cmd.exe 111 PID 3292 wrote to memory of 2544 3292 cmd.exe 111 PID 3292 wrote to memory of 2544 3292 cmd.exe 111 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe"C:\Users\Admin\AppData\Local\Temp\5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1068
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C:\Users\Admin\AppData\Local\Temp\5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.exe"C:\Users\Admin\AppData\Local\Temp\5e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630.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:3104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148
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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:2544 -
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:2468
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1072
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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:5116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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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:1528
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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
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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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:2400
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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:4216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1260 -
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:3292 -
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:2544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:472
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb076eb241f0d5efe55cd9c93b130e86
SHA1a629580023f9df94f45db545a85b0b5b72d34a4d
SHA256aa6a9a5a168b767e8f4497c8f34ac96b54bbee5cc4cea4308fa3aa00739c44e9
SHA512a6784977fcf07e621c405d5b3d439402f242c678e0dcc1897377689703845dca9b18880f23f31291e43018a735ba206ab6691a7d255a77ae3c09b3d712c5e076
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee9c908786d387d61146a663e25662ca
SHA1c67e7f6fdbbfa5e5298c0f3ed28bda2fbaddd4ca
SHA2562129ace07296308af6d0029860e3f064638f218fe9a48c9cdf1c3a01ae87186b
SHA5129a27230277e9e591ccb6362e7343f104c0787bbe772a8499b906e8ffc0a2e425ec56ed2da9090997d72a37984fd1c5008918157ebf0e2ecae92c5c3b085c8eaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ee5dc82e3563660c6f35d621457b21d
SHA1b119a6c90e95c8a793333cfc10a58115fb3aacf9
SHA25690121f0dfa8265a23081bf6a5f05b78952e64c986789cc2b02e28c2c7819ec55
SHA512c6a5a59a0fa8550aec7fd155545c6720b21ff9785734d6a152b4e89e8c92b7dfd3ceb0c7eea1dc791bc830c951fc5b3893e113c26034891d9e5379d9142a3b63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5156dcd2a436bed017873b0c6a3a1923b
SHA12d00f4dc49cf13d3169b5f2d58f977976ca2dc47
SHA2562c8750878bd27a280718ba7d1b8dedc01dc577932d2ee522f2267d99c823f30a
SHA512ebd360e0fbb792ba247ce7396039f76c08305d1ccb8ef4dc0188b0b1d64d8407152eb4ab2c3611c092a0d3e1449a0aca210e826232a5acf99a17b5fe0a576db9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cce7ef14f9b7605e8882f14613882bb8
SHA1af8869630508a2cd3e0f4b1a983fe333cbd3511e
SHA256b0b515d1c7e674c760375c7b66793cffa5d26373342a22871220224d9264764b
SHA5124546b5980d2775c3494dcef247ee3101608690b5e15cf65188b5b6bf6c97c79889b5b6e2eb3993d78e422151c64952d1bf6e0d8b60c1c7e79d2125a818bd77ed
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Filesize
4.1MB
MD56916ab137d90c3ed5b5891a12c1005ab
SHA1c36965e93a28775ec4828aa5c60718f4ab19d7a5
SHA2565e7bfb72664b5070d880a58abced98dd90304b1853fafea699dd1b95a2850630
SHA5123e49123eff47b75272b1b12f7f7fe6bbbafe7c8f6ddb7cd18a9ad48f9c1dfb0c70ba466375dca002513fd699cc9a2272581e516e51ed0355704a137a357807d8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec