Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe
Resource
win10v2004-20240412-en
General
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Target
f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe
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Size
4.2MB
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MD5
42a08089f3ad238fa3f5e06d23aaa147
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SHA1
acb11a502188f99d1b5151722b36bc2bd6c30c61
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SHA256
f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d
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SHA512
52a477920ab92e9413a8581451dcb0496718ef88ce238865a0985bcfd04dd3269c626378b230b6aa5942475a9b3292433c54d21d8a1a8bb380d84909835d1396
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SSDEEP
98304:BqrB5wn4OMCZOc7+DuxcvwRwKkZb9A25YIHnzSUGXdTRu1L6h:uBo4d4+DucuGBGNT0LI
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1924-2-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/1924-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1924-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2484-58-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral1/memory/1924-57-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/2484-59-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2484-196-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-287-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-303-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-305-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2692-308-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4308 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2692 csrss.exe 2892 injector.exe 1216 windefender.exe 2688 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002343a-269.dat upx behavioral1/memory/1216-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2688-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2688-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 -
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 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.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 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe File created C:\Windows\rss\csrss.exe f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1648 sc.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 1460 schtasks.exe 3960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.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\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.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\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3624 powershell.exe 3624 powershell.exe 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 3580 powershell.exe 3580 powershell.exe 3580 powershell.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 392 powershell.exe 392 powershell.exe 392 powershell.exe 3888 powershell.exe 3888 powershell.exe 3888 powershell.exe 2748 powershell.exe 2748 powershell.exe 2748 powershell.exe 2100 powershell.exe 2100 powershell.exe 2100 powershell.exe 5080 powershell.exe 5080 powershell.exe 5080 powershell.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2692 csrss.exe 2692 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2692 csrss.exe 2692 csrss.exe 2892 injector.exe 2892 injector.exe 2692 csrss.exe 2692 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Token: SeImpersonatePrivilege 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 392 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 2100 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeSystemEnvironmentPrivilege 2692 csrss.exe Token: SeSecurityPrivilege 1648 sc.exe Token: SeSecurityPrivilege 1648 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1924 wrote to memory of 3624 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 88 PID 1924 wrote to memory of 3624 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 88 PID 1924 wrote to memory of 3624 1924 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 88 PID 2484 wrote to memory of 3580 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 96 PID 2484 wrote to memory of 3580 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 96 PID 2484 wrote to memory of 3580 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 96 PID 2484 wrote to memory of 4452 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 99 PID 2484 wrote to memory of 4452 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 99 PID 4452 wrote to memory of 4308 4452 cmd.exe 101 PID 4452 wrote to memory of 4308 4452 cmd.exe 101 PID 2484 wrote to memory of 392 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 102 PID 2484 wrote to memory of 392 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 102 PID 2484 wrote to memory of 392 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 102 PID 2484 wrote to memory of 3888 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 105 PID 2484 wrote to memory of 3888 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 105 PID 2484 wrote to memory of 3888 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 105 PID 2484 wrote to memory of 2692 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 108 PID 2484 wrote to memory of 2692 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 108 PID 2484 wrote to memory of 2692 2484 f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe 108 PID 2692 wrote to memory of 2748 2692 csrss.exe 109 PID 2692 wrote to memory of 2748 2692 csrss.exe 109 PID 2692 wrote to memory of 2748 2692 csrss.exe 109 PID 2692 wrote to memory of 2100 2692 csrss.exe 114 PID 2692 wrote to memory of 2100 2692 csrss.exe 114 PID 2692 wrote to memory of 2100 2692 csrss.exe 114 PID 2692 wrote to memory of 5080 2692 csrss.exe 117 PID 2692 wrote to memory of 5080 2692 csrss.exe 117 PID 2692 wrote to memory of 5080 2692 csrss.exe 117 PID 2692 wrote to memory of 2892 2692 csrss.exe 119 PID 2692 wrote to memory of 2892 2692 csrss.exe 119 PID 1216 wrote to memory of 232 1216 windefender.exe 127 PID 1216 wrote to memory of 232 1216 windefender.exe 127 PID 1216 wrote to memory of 232 1216 windefender.exe 127 PID 232 wrote to memory of 1648 232 cmd.exe 128 PID 232 wrote to memory of 1648 232 cmd.exe 128 PID 232 wrote to memory of 1648 232 cmd.exe 128 -
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\f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe"C:\Users\Admin\AppData\Local\Temp\f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Users\Admin\AppData\Local\Temp\f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.exe"C:\Users\Admin\AppData\Local\Temp\f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d.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:2484 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3580
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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:4452 -
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:4308
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3888
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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:2692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748
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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:1460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4768
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2100
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5080
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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:2892
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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:3960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1216 -
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:232 -
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:1648
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2688
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b793068e9e60352971f22e6ce10f9452
SHA1b1057e8b0f51948be11b71fe4a26d107cfe042a0
SHA256e6d0e041b305ea977d7ff5070b3692d7c24e5da62d3b986888d17f0118dcdcc5
SHA512dd984af17a74a9be89010e7ad0234a0415272fc6afddf3d682c30cb2a5aa64d029683aee160acf6cd749801d116793ca955f04ae6a3a330f19509a178bb38937
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52714eda60cb774372e47a8cc970a98f8
SHA1e11dee7044a2ea4b0ce49a214ba9eaa1ea218caa
SHA25623471938b909b42a5fab1846da7d3c55ba5d67736409f37923fde4373e366174
SHA51283530154bd6ebf0a7bcd36a778c0091cc4d939a04bd5c5752c12da6dd9ac0252569316d0dfb3c254db1039023fee4ab110794aaa772e8b88e1d3cd8e5fe370ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55692ec71f933e830a9543e26436314c7
SHA103a988cefdfc3943f2eefa3ec610acc3cf93b262
SHA2561393c3d78d4b6345a7fa305d417729436eb199218b544bfb279c001f5b65bd97
SHA5121a2d52bdd8a97633d132a8f6f5501d51010dbdf070b6ccadb7fc84e66ee14df24725cad75102c9af8be31876004af6a57ef31a846a2e426a58b43f67f6cc6c65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae89983ea911010170bc6de8dc513d29
SHA1550194a93250b4a9e07f486d9d633cf6da549d0b
SHA256a96ae31b06a2398ec4775521a3746f1ec160ef54d4872f6378917043aaf24d99
SHA512526a3c7dd84563210b41bed3e8d4da880caeff25a8349548cd68fa3ea0c5cf88074c071707111d18178a4b61d8734bd44e303dde4e755a607fc99eb89767c7c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527e3745f7895d9dd3a07177e673f1703
SHA10e16c7da78a228c161fc22f38738bf177da27681
SHA256022b54d24aaf5feb5d2cedfb28cfd4ba9f49982390b5004279d2d50200071a4b
SHA512c67f1a6317627771651fad63401ec7de4421b3b593a069e4fee11b0174d83feb6f416ee62283c9eb54de1ffb40118bd5dca844172f4c4e5e0b25f1ec60d4a89c
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Filesize
4.2MB
MD542a08089f3ad238fa3f5e06d23aaa147
SHA1acb11a502188f99d1b5151722b36bc2bd6c30c61
SHA256f4e184ed3320fc6df896781b1c80c7c89e08e9c34e68ef3e0a81703120283f8d
SHA51252a477920ab92e9413a8581451dcb0496718ef88ce238865a0985bcfd04dd3269c626378b230b6aa5942475a9b3292433c54d21d8a1a8bb380d84909835d1396
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec