Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe
Resource
win10v2004-20240508-en
General
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Target
f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe
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Size
4.1MB
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MD5
c339e6362e442d227eb5672db7dae1ff
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SHA1
7f2c2b09a7702a770d176b70e756f1d2519a6a7b
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SHA256
f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae
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SHA512
e731f2fabb282a9a2b575c66b3fb0d9bab809838f9fb0b36d10d39df39452344ca8fdf21e78feb79b2446183df5aaa2325b5b702f6d2f629fa7aae85678071ef
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gE:QC1IraEjIw04m/Xfo4a5yka2Q+gE
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2312-2-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/2312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2312-7-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2312-56-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2312-58-0x0000000004BC0000-0x00000000054AB000-memory.dmp family_glupteba behavioral1/memory/2312-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2620-82-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2620-139-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-164-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-258-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-261-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2860-265-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 536 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2860 csrss.exe 4344 injector.exe 772 windefender.exe 2284 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002360a-227.dat upx behavioral1/memory/772-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/772-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2284-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.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 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 -
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 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.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 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe File created C:\Windows\rss\csrss.exe f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4616 sc.exe -
pid Process 3044 powershell.exe 3492 powershell.exe 1836 powershell.exe 5092 powershell.exe 4368 powershell.exe 4860 powershell.exe 1548 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 4720 schtasks.exe 1996 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji 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\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island 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" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5092 powershell.exe 5092 powershell.exe 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 4368 powershell.exe 4368 powershell.exe 4368 powershell.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 4860 powershell.exe 4860 powershell.exe 4860 powershell.exe 1548 powershell.exe 1548 powershell.exe 1548 powershell.exe 3044 powershell.exe 3044 powershell.exe 3492 powershell.exe 3492 powershell.exe 3492 powershell.exe 1836 powershell.exe 1836 powershell.exe 1836 powershell.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 2860 csrss.exe 2860 csrss.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 2860 csrss.exe 2860 csrss.exe 4344 injector.exe 4344 injector.exe 2860 csrss.exe 2860 csrss.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe 4344 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Token: SeImpersonatePrivilege 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 3044 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeSystemEnvironmentPrivilege 2860 csrss.exe Token: SeSecurityPrivilege 4616 sc.exe Token: SeSecurityPrivilege 4616 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2312 wrote to memory of 5092 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 97 PID 2312 wrote to memory of 5092 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 97 PID 2312 wrote to memory of 5092 2312 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 97 PID 2620 wrote to memory of 4368 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 102 PID 2620 wrote to memory of 4368 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 102 PID 2620 wrote to memory of 4368 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 102 PID 2620 wrote to memory of 2284 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 105 PID 2620 wrote to memory of 2284 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 105 PID 2284 wrote to memory of 536 2284 cmd.exe 107 PID 2284 wrote to memory of 536 2284 cmd.exe 107 PID 2620 wrote to memory of 4860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 108 PID 2620 wrote to memory of 4860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 108 PID 2620 wrote to memory of 4860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 108 PID 2620 wrote to memory of 1548 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 111 PID 2620 wrote to memory of 1548 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 111 PID 2620 wrote to memory of 1548 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 111 PID 2620 wrote to memory of 2860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 113 PID 2620 wrote to memory of 2860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 113 PID 2620 wrote to memory of 2860 2620 f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe 113 PID 2860 wrote to memory of 3044 2860 csrss.exe 114 PID 2860 wrote to memory of 3044 2860 csrss.exe 114 PID 2860 wrote to memory of 3044 2860 csrss.exe 114 PID 2860 wrote to memory of 3492 2860 csrss.exe 119 PID 2860 wrote to memory of 3492 2860 csrss.exe 119 PID 2860 wrote to memory of 3492 2860 csrss.exe 119 PID 2860 wrote to memory of 1836 2860 csrss.exe 122 PID 2860 wrote to memory of 1836 2860 csrss.exe 122 PID 2860 wrote to memory of 1836 2860 csrss.exe 122 PID 2860 wrote to memory of 4344 2860 csrss.exe 124 PID 2860 wrote to memory of 4344 2860 csrss.exe 124 PID 772 wrote to memory of 3812 772 windefender.exe 130 PID 772 wrote to memory of 3812 772 windefender.exe 130 PID 772 wrote to memory of 3812 772 windefender.exe 130 PID 3812 wrote to memory of 4616 3812 cmd.exe 131 PID 3812 wrote to memory of 4616 3812 cmd.exe 131 PID 3812 wrote to memory of 4616 3812 cmd.exe 131 -
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\f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe"C:\Users\Admin\AppData\Local\Temp\f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5092
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C:\Users\Admin\AppData\Local\Temp\f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.exe"C:\Users\Admin\AppData\Local\Temp\f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae.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:2620 -
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:4368
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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:2284 -
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:536
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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:4860
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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:1548
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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:2860 -
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:3044
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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:1996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4604
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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:3492
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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:1836
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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:4344
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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:4720
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:772 -
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:3812 -
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:4616
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:81⤵PID:4952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2284
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5010e32918e6478815aeda1e38e257b79
SHA14d150e6dd35972e07425ef8306d9c10f4e088011
SHA256e4fee199dbb2f8f996730d7b2d766edb65a4c5c817b8145ce9cde8fba8015b8d
SHA51275f51dd3de89e02a60ebea354342f6a887a0728511684d6acf082db3de39400a95b782b11b946fcf53f01c8d3e7365b80180c5ad0180ecebf2bd67a0cd9131b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d7a32f20c97c5637ea3e5365bdd8b83
SHA106d496cfae5da5ce3d03492dcbf87bac95dbe5fa
SHA256f90b74e6fddba3b341871d0bd7c973da6a9e583a1e1fee0172a82f3c8131273a
SHA512b00b81e517c935a66a53262b3cd47dffb4863a521263959e78a207f0868a40f40c5565c5f2f99f31b153aa62d0561152f421573eec2850b09b9934def7d36cee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d69a28d98a5128a283f45a389f909d6e
SHA1bb0d8449cff599524a906124d0d1716f5a6f61fb
SHA256efc324bdcfdf1f8eb0cd1a943c10bea7fad66df60532a6df74fce36b085a0970
SHA512da494cc3a8029dcf444db96eb6566a5fa10300d7f9afcad9e3b74138e102de51684d61659e89f42da01ba4f6383c8ec0fca3d63f39611215150ed5dbac1da159
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf7409a20d7fee8fc7b0832621ecefd1
SHA1beb7bae39f18f528dc4d44269bb72d2a38117e06
SHA2565a5327d95ff150fdb42f0f829ce0640a37fa0f7fbb897c1ec01b9c4d940a979e
SHA5121e8de6c691c4aa4473906a068cc682f9e8d55cbace05924c9d2a79285f703fd8ec77ba3725e76d90d0ef335bbbc2fa06b1132952dfa6c512e046033515c6cd89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5923e1a22dc23ae4e31d8428076382183
SHA1e71f564aa45f50a12170e1a6e1552ea17095aec6
SHA25656751488bf4c3d7b61266e33dbf55647b6a9dfbae47cbeac8c32f63f556afc85
SHA5125b9789fcf111eb20e13c8b0f69b1932685e16927bfd4aafd1e9ad48f5f8f5e1f658b482c6572cb0047a8b975e04a965d49336de86974ac099bd89d77a41619b4
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Filesize
4.1MB
MD5c339e6362e442d227eb5672db7dae1ff
SHA17f2c2b09a7702a770d176b70e756f1d2519a6a7b
SHA256f7c27bb96adb270afef18ea2b156149e4f23758a3ba0456d5663d129bfe9b3ae
SHA512e731f2fabb282a9a2b575c66b3fb0d9bab809838f9fb0b36d10d39df39452344ca8fdf21e78feb79b2446183df5aaa2325b5b702f6d2f629fa7aae85678071ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec