Analysis
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max time kernel
150s -
max time network
154s -
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, 19:11
Static task
static1
Behavioral task
behavioral1
Sample
f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe
Resource
win10v2004-20240508-en
General
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Target
f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe
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Size
4.1MB
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MD5
74b9742633d85cb40c82087295a076ae
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SHA1
7a9e240d31ca3cd099e68337ce54523ad7bd1c2c
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SHA256
f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b
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SHA512
26e5bff395d606cdb1a8011375e4269e089681dc15375ff33676b078bbaba2729912a68c815db1b7962824ca600fcc125a40a76d87840cd5719275fce0cfc7fa
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SSDEEP
98304:fvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1z:fv8u49ZH7eDfxu9yMsEz
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1340-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/1340-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1340-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1340-54-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/1340-76-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1468-75-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1468-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-198-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-207-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4520-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3356 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4520 csrss.exe 2056 injector.exe 4996 windefender.exe 1316 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0f-210.dat upx behavioral2/memory/4996-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1316-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4996-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1316-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1316-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.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\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 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 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe File created C:\Windows\rss\csrss.exe f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3488 sc.exe -
pid Process 2508 powershell.exe 852 powershell.exe 2748 powershell.exe 1988 powershell.exe 3892 powershell.exe 5044 powershell.exe 1900 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 3580 schtasks.exe 1912 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.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\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan 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" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2748 powershell.exe 2748 powershell.exe 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1988 powershell.exe 1988 powershell.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 3892 powershell.exe 3892 powershell.exe 5044 powershell.exe 5044 powershell.exe 1900 powershell.exe 1900 powershell.exe 2508 powershell.exe 2508 powershell.exe 852 powershell.exe 852 powershell.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 4520 csrss.exe 4520 csrss.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 4520 csrss.exe 4520 csrss.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 4520 csrss.exe 4520 csrss.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe 2056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Token: SeImpersonatePrivilege 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 852 powershell.exe Token: SeSystemEnvironmentPrivilege 4520 csrss.exe Token: SeSecurityPrivilege 3488 sc.exe Token: SeSecurityPrivilege 3488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1340 wrote to memory of 2748 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 83 PID 1340 wrote to memory of 2748 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 83 PID 1340 wrote to memory of 2748 1340 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 83 PID 1468 wrote to memory of 1988 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 88 PID 1468 wrote to memory of 1988 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 88 PID 1468 wrote to memory of 1988 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 88 PID 1468 wrote to memory of 3552 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 90 PID 1468 wrote to memory of 3552 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 90 PID 3552 wrote to memory of 3356 3552 cmd.exe 92 PID 3552 wrote to memory of 3356 3552 cmd.exe 92 PID 1468 wrote to memory of 3892 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 93 PID 1468 wrote to memory of 3892 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 93 PID 1468 wrote to memory of 3892 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 93 PID 1468 wrote to memory of 5044 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 95 PID 1468 wrote to memory of 5044 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 95 PID 1468 wrote to memory of 5044 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 95 PID 1468 wrote to memory of 4520 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 97 PID 1468 wrote to memory of 4520 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 97 PID 1468 wrote to memory of 4520 1468 f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe 97 PID 4520 wrote to memory of 1900 4520 csrss.exe 98 PID 4520 wrote to memory of 1900 4520 csrss.exe 98 PID 4520 wrote to memory of 1900 4520 csrss.exe 98 PID 4520 wrote to memory of 2508 4520 csrss.exe 103 PID 4520 wrote to memory of 2508 4520 csrss.exe 103 PID 4520 wrote to memory of 2508 4520 csrss.exe 103 PID 4520 wrote to memory of 852 4520 csrss.exe 106 PID 4520 wrote to memory of 852 4520 csrss.exe 106 PID 4520 wrote to memory of 852 4520 csrss.exe 106 PID 4520 wrote to memory of 2056 4520 csrss.exe 108 PID 4520 wrote to memory of 2056 4520 csrss.exe 108 PID 4996 wrote to memory of 3740 4996 windefender.exe 114 PID 4996 wrote to memory of 3740 4996 windefender.exe 114 PID 4996 wrote to memory of 3740 4996 windefender.exe 114 PID 3740 wrote to memory of 3488 3740 cmd.exe 115 PID 3740 wrote to memory of 3488 3740 cmd.exe 115 PID 3740 wrote to memory of 3488 3740 cmd.exe 115 -
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\f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe"C:\Users\Admin\AppData\Local\Temp\f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748
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C:\Users\Admin\AppData\Local\Temp\f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.exe"C:\Users\Admin\AppData\Local\Temp\f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b.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:1468 -
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:1988
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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:3552 -
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:3356
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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:3892
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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:5044
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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:4520 -
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:1900
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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:3580
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1148
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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:2508
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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:852
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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:2056
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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:1912
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4996 -
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:3740 -
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:3488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1316
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
MD548844c5eab74eb6cba82496c616c9ec2
SHA1c33233be533d42024bb61be355f107d17c8d6d67
SHA256693c9c68d1e2212c12f8c83246baf14aa0bae4c8a5cd87580731935fc4ac1aa9
SHA5122c50e848b625b7cc8405da6793d11fa804117f943c0799708995b3fa7be31e339492a77772144fc8c16fe8e147b125f944249b64bca67c9d7d246bb266d4670e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af5afdef97749c202e30b22bdff95e8c
SHA1e098b8728e5dea7a234d0f8e13428a9324f6f8f3
SHA2564de27b990f535cb03f1109c36ec13b121804735df82e64ca0e0bd3f8b5960af2
SHA51222b404e392a221bce116e5c0ecf0c72b19547bae55b5071a720e438e561c93235dd0526b7ef4d5bce15aaa5dbcc97df4658e95729b558b540444e33f4f759204
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd8edbbcef0f92d1975167b3246cca74
SHA1f695cccc955b86bf35d7c770987ecf448765ef88
SHA2563cecddd89bcbd3ad5f86843a9acd781662f8b10a43c138278cb764c9733b96f7
SHA51251e02dab6d5b0e58d2a365082ba791cef33f034bb966316c1a568a692a9604bdd1df0bb51e87dadd867ee4d7e6df71ea3e457c5ea493495a18f2d60d2924b5de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5dc544134c0560b01f8ee8c0f57aa57
SHA12dcc6b3ac74e439395f037b33258a7c87c89721d
SHA2568bce7b0ca22d75b439b4237649017418cfe1a2ccb11cf11a3c1821d8ab22d6ca
SHA512968ac266bb77f890c95528be09d945bf60a0794298947069b08b15f825a0653b1d62bf5743b6c5bd4e2c059ea90b0ebe362b98c8d8f63166e66a172c66c221d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503fcb45f18ddfd1fcd1c9f8c838cd5fb
SHA1bc982072a598b2372c865d609ca0f17f851a7d49
SHA2561c8abe9f6a39136d5d8aed397855a11332c25966725ed450553b46387fa51def
SHA5124b27b660e0a80e7c9b827dac2131b0763db8103ffca44628a3d3c7f731d17e68a73a0417c3400e2d9ba16d679d8229e18d052c8aab364a75e59538ebc7a3084b
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Filesize
4.1MB
MD574b9742633d85cb40c82087295a076ae
SHA17a9e240d31ca3cd099e68337ce54523ad7bd1c2c
SHA256f0b7bdb875da11d806a561778acc8da1c21a8e75aff4ecf267023227f1fe022b
SHA51226e5bff395d606cdb1a8011375e4269e089681dc15375ff33676b078bbaba2729912a68c815db1b7962824ca600fcc125a40a76d87840cd5719275fce0cfc7fa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec