Resubmissions
12/03/2025, 21:02
250312-zvs1kaszf1 1001/12/2023, 00:39
231201-az4kesdd2t 1014/07/2023, 01:04
230714-be4kcsbg44 1014/07/2023, 00:46
230714-a4m38sce8w 1014/07/2023, 00:15
230714-akchdsbf65 10Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2023, 00:15
Static task
static1
General
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Target
27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe
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Size
4.1MB
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MD5
a49b82957f9728361ef050399b1201e1
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SHA1
fb8fadf9edf93404cf5296e021788fe0319b3f51
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SHA256
27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303
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SHA512
2c054945c291cc3a9d2e0fa8f2d4aa0d0faf8164e1b227c7831e0e7d733ec2bd40989618706041b1a797aa7250781b93026fd1ebbbd14c3d6adbb37b1ac60b56
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SSDEEP
98304:39Zizxyr+yMV/mMXcm0UGc/CU5/uqvcHXM/fnEtY7OVaXxdW4cFpabf:NgAMoM+E7x/EVaXxdWZLy
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2852-135-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral1/memory/2852-136-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2852-155-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2852-158-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral1/memory/2852-187-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/412-190-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/412-191-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/412-219-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/412-252-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/412-283-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-289-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-290-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-345-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-380-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-390-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-393-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-396-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-399-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-402-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4124-405-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2820 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4124 csrss.exe 2732 injector.exe 1040 windefender.exe 4740 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002329d-384.dat upx behavioral1/files/0x000700000002329d-386.dat upx behavioral1/files/0x000700000002329d-387.dat upx behavioral1/memory/1040-389-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4740-392-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4740-398-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\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 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 -
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 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe File created C:\Windows\rss\csrss.exe 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.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 4492 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 4056 schtasks.exe 2468 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.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\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.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\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\1e\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3456 powershell.exe 3456 powershell.exe 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 5040 powershell.exe 5040 powershell.exe 5040 powershell.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 588 powershell.exe 588 powershell.exe 2100 powershell.exe 2100 powershell.exe 456 powershell.exe 456 powershell.exe 536 powershell.exe 536 powershell.exe 2072 powershell.exe 2072 powershell.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 4124 csrss.exe 4124 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 4124 csrss.exe 4124 csrss.exe 2732 injector.exe 2732 injector.exe 4124 csrss.exe 4124 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeImpersonatePrivilege 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 588 powershell.exe Token: SeDebugPrivilege 2100 powershell.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 536 powershell.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeSystemEnvironmentPrivilege 4124 csrss.exe Token: SeSecurityPrivilege 4492 sc.exe Token: SeSecurityPrivilege 4492 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2852 wrote to memory of 3456 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 2852 wrote to memory of 3456 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 2852 wrote to memory of 3456 2852 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 412 wrote to memory of 5040 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 101 PID 412 wrote to memory of 5040 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 101 PID 412 wrote to memory of 5040 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 101 PID 412 wrote to memory of 4424 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 104 PID 412 wrote to memory of 4424 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 104 PID 4424 wrote to memory of 2820 4424 cmd.exe 105 PID 4424 wrote to memory of 2820 4424 cmd.exe 105 PID 412 wrote to memory of 588 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 106 PID 412 wrote to memory of 588 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 106 PID 412 wrote to memory of 588 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 106 PID 412 wrote to memory of 2100 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 108 PID 412 wrote to memory of 2100 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 108 PID 412 wrote to memory of 2100 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 108 PID 412 wrote to memory of 4124 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 110 PID 412 wrote to memory of 4124 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 110 PID 412 wrote to memory of 4124 412 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 110 PID 4124 wrote to memory of 456 4124 csrss.exe 111 PID 4124 wrote to memory of 456 4124 csrss.exe 111 PID 4124 wrote to memory of 456 4124 csrss.exe 111 PID 4124 wrote to memory of 536 4124 csrss.exe 117 PID 4124 wrote to memory of 536 4124 csrss.exe 117 PID 4124 wrote to memory of 536 4124 csrss.exe 117 PID 4124 wrote to memory of 2072 4124 csrss.exe 119 PID 4124 wrote to memory of 2072 4124 csrss.exe 119 PID 4124 wrote to memory of 2072 4124 csrss.exe 119 PID 4124 wrote to memory of 2732 4124 csrss.exe 121 PID 4124 wrote to memory of 2732 4124 csrss.exe 121 PID 1040 wrote to memory of 1268 1040 windefender.exe 127 PID 1040 wrote to memory of 1268 1040 windefender.exe 127 PID 1040 wrote to memory of 1268 1040 windefender.exe 127 PID 1268 wrote to memory of 4492 1268 cmd.exe 128 PID 1268 wrote to memory of 4492 1268 cmd.exe 128 PID 1268 wrote to memory of 4492 1268 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\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.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:412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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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:4424 -
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:2820
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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:588
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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:2100
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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:4124 -
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:456
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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:4056
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4952
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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:536
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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:2072
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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:2732
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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:2468
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1040 -
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:1268 -
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:4492
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4740
Network
MITRE ATT&CK Enterprise v6
Replay 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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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
MD5ad737e171cbd496a09d4ffe0707484ef
SHA182bac051d9c2b916d407732e26e0704718a7836f
SHA2567de1e5c507e0c5f47c1cf29af08690eec8319911e7aefc45dd55fa4df725e5bc
SHA5129ac0d52a2c5505b8ed2f30a0e96a7741c6e5137d19a9308f3a1bd6415bf60da4ca2f3bce974c3dfb1a9ffb44f1d4d6ca065ba8c1dc25d4ef07c14df4c6489020
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1356427937c55eddc82a4f0fef184b8
SHA109e6c5e87ea3b9807ee9aae13f60f11768116ce2
SHA256f8d9445777bfda522d77cee74424723d83b5bd82fca4c4a3ffb54f316bd34714
SHA512b3fb8a1c6b3a65ebd55e09b7080fb0e1428f92c7de1ff66feed2e0cb700f50831197ca4ea6f41b61885d776cc2955a105c0eaa5fc8330e9a4b76663b65bdc1bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a233dbee285036541f966c5151e5d88e
SHA11a89a98ff445e6876733acdfafc70e87cc52f9a5
SHA25634e91b78bf425271e1584056d0a6b83dbc61f01ac0af74b0bfb1d7a7b0597333
SHA5122c0b15f476f78f0d3b25b2e365ed01bd77314053b41d8f4b6069bc094ff6925c8ab381e6bbbf12ddf6476caaef50da4a064f2a5aea0d87d221ea049573aa95b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab2b15f425ea1a5c28c0b180b48348c5
SHA1f92bf8c4bc6b65765ad0b3ed5bb8964f81fd467c
SHA256f07fc59f9793699629422c75e0f94d03b1deb548d3cdfc8401931054426a69e7
SHA5128867516fc9e4f4f50dbe3d7c91489499edc00cb5b41af7b51de211f5c32cf4fc6acf5c182a94b7142eae7f55d370b1c2483e62962a4b6c1769f2b52213b8f781
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b383976de53c04f81f4e230f40b5610
SHA19eaf059e301b7e71e4bbfd936911a713e8852f00
SHA25646f13943126989a5fe93b21acb1f1624acc78d0b30852434e6c90a944a47dc44
SHA5127654aebbb4197b00ba393d334d55a36e113d0223fe1e5e14a8aa06363a59c740ebb808c3802c1049f60f197d9aa71244709e978d7d744d607be76169005ccdd4
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Filesize
4.1MB
MD5a49b82957f9728361ef050399b1201e1
SHA1fb8fadf9edf93404cf5296e021788fe0319b3f51
SHA25627f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303
SHA5122c054945c291cc3a9d2e0fa8f2d4aa0d0faf8164e1b227c7831e0e7d733ec2bd40989618706041b1a797aa7250781b93026fd1ebbbd14c3d6adbb37b1ac60b56
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Filesize
4.1MB
MD5a49b82957f9728361ef050399b1201e1
SHA1fb8fadf9edf93404cf5296e021788fe0319b3f51
SHA25627f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303
SHA5122c054945c291cc3a9d2e0fa8f2d4aa0d0faf8164e1b227c7831e0e7d733ec2bd40989618706041b1a797aa7250781b93026fd1ebbbd14c3d6adbb37b1ac60b56
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec