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
120s -
max time network
116s -
platform
windows11-21h2_x64 -
resource
win11-20231128-en -
resource tags
arch:x64arch:x86image:win11-20231128-enlocale:en-usos:windows11-21h2-x64system -
submitted
01/12/2023, 00:39
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 17 IoCs
resource yara_rule behavioral1/memory/1204-2-0x0000000005290000-0x0000000005B7B000-memory.dmp family_glupteba behavioral1/memory/1204-3-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1204-44-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/3660-54-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral1/memory/3660-55-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1204-65-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/3660-83-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/3660-101-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/3660-116-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/3660-152-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-211-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-246-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-257-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-261-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-265-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-269-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/664-273-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2044 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 664 csrss.exe 5260 injector.exe 6104 windefender.exe 3360 windefender.exe -
resource yara_rule behavioral1/files/0x000200000002a7cd-250.dat upx behavioral1/files/0x000200000002a7cd-252.dat upx behavioral1/files/0x000200000002a7cd-254.dat upx behavioral1/memory/6104-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3360-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3360-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3484251756-2814966285-185304317-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\S-1-5-21-3484251756-2814966285-185304317-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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 3340 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 4392 schtasks.exe 5284 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan 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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4116 powershell.exe 4116 powershell.exe 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 792 powershell.exe 792 powershell.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 5364 powershell.exe 5364 powershell.exe 5140 powershell.exe 5140 powershell.exe 5968 powershell.exe 5968 powershell.exe 5180 powershell.exe 5180 powershell.exe 4932 powershell.exe 4932 powershell.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 664 csrss.exe 664 csrss.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 664 csrss.exe 664 csrss.exe 5260 injector.exe 5260 injector.exe 664 csrss.exe 664 csrss.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe 5260 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeImpersonatePrivilege 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 5364 powershell.exe Token: SeDebugPrivilege 5140 powershell.exe Token: SeDebugPrivilege 5968 powershell.exe Token: SeDebugPrivilege 5180 powershell.exe Token: SeDebugPrivilege 4932 powershell.exe Token: SeSystemEnvironmentPrivilege 664 csrss.exe Token: SeSecurityPrivilege 3340 sc.exe Token: SeSecurityPrivilege 3340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1204 wrote to memory of 4116 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 1204 wrote to memory of 4116 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 1204 wrote to memory of 4116 1204 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 3660 wrote to memory of 792 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 87 PID 3660 wrote to memory of 792 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 87 PID 3660 wrote to memory of 792 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 87 PID 3660 wrote to memory of 1600 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 89 PID 3660 wrote to memory of 1600 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 89 PID 1600 wrote to memory of 2044 1600 cmd.exe 91 PID 1600 wrote to memory of 2044 1600 cmd.exe 91 PID 3660 wrote to memory of 5364 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 3660 wrote to memory of 5364 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 3660 wrote to memory of 5364 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 92 PID 3660 wrote to memory of 5140 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 95 PID 3660 wrote to memory of 5140 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 95 PID 3660 wrote to memory of 5140 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 95 PID 3660 wrote to memory of 664 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 97 PID 3660 wrote to memory of 664 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 97 PID 3660 wrote to memory of 664 3660 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 97 PID 664 wrote to memory of 5968 664 csrss.exe 98 PID 664 wrote to memory of 5968 664 csrss.exe 98 PID 664 wrote to memory of 5968 664 csrss.exe 98 PID 664 wrote to memory of 5180 664 csrss.exe 101 PID 664 wrote to memory of 5180 664 csrss.exe 101 PID 664 wrote to memory of 5180 664 csrss.exe 101 PID 664 wrote to memory of 4932 664 csrss.exe 106 PID 664 wrote to memory of 4932 664 csrss.exe 106 PID 664 wrote to memory of 4932 664 csrss.exe 106 PID 664 wrote to memory of 5260 664 csrss.exe 108 PID 664 wrote to memory of 5260 664 csrss.exe 108 PID 6104 wrote to memory of 968 6104 windefender.exe 114 PID 6104 wrote to memory of 968 6104 windefender.exe 114 PID 6104 wrote to memory of 968 6104 windefender.exe 114 PID 968 wrote to memory of 3340 968 cmd.exe 115 PID 968 wrote to memory of 3340 968 cmd.exe 115 PID 968 wrote to memory of 3340 968 cmd.exe 115 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4116
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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:3660 -
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:792
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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:1600 -
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:2044
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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:5364
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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:5140
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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:664 -
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:5968
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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:4392
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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:5180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1624
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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:4932
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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:5260
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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:5284
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:6104 -
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:968 -
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:3340
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3360
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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b551ec354efd0e2cd34127e1e7387fde
SHA13b8aa7dda26aabc9e1e7828642be0167af03e8d1
SHA2563d21234b3ae04051fc036485b83a2fad0bf109e80e7232bdd5521ec0f1d64068
SHA51260077be8750002d97bb5f25a62cc8da49c77bf2f26bdfd4c395c273bee0cf23b7b8e81bd69bcbed2d3d8e3e7dde471efe88ab43a1889f6e69c9ed1cfddc43711
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50983d65d55c3e427bc23673593c4da69
SHA161de67ffae74f3044b86ba03687f8d07724bcb7a
SHA25666003a3811a7109e6a8d4b78917a6845a9fb577720b9e0f7a6a996eacbbc088b
SHA5127b987dceeb62ccc940f9bd92c0b7864aeae707e09519c95e331f3febcbb03b32c90af4de52dd855923dd77688c010403c93ec85571d6d73ddc2008ef12bc6740
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f1c3a843458867b66d9d4ee86ed69f9
SHA1b0df07d4bda6a1520a26cac837b4875f09d1af6b
SHA256581263198c5e410321da45607a4fed42bb9a5f16eb7013c6428a438a04e6750c
SHA512853b71e62ffa5cb5b7740f2751706ed21503245df6b226629c0bd9dc0d2d9785f87506090e17bb681a05f5db1c9f86e2f64da037a806bf3624676efa005d2143
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58aeffbd183d13a10c4a0a4da30ba362e
SHA15b401b90b8330accd9b822f2fcb5e09f29595500
SHA25693bf420470cfec2e7db60d1b6148a8253b4194b70e17c490635b6fde81169eb9
SHA5127b84db9a655d7da31d0a832cfc04a369d81b7e70771fa266ca43b55d7efcacce4aff11b3652dbc3adfa3dc3d32b0b15755ee42672c1bba96c610b43e50fdfae5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56eabdec1027ae4c00fe49b9a4f5bad5e
SHA146b3e685fc34899a38a37d6c0b981d81eac2157a
SHA256f3c7d51e131347c9002f71e3fccf43185d72338f727b8da9f875fddc57f310a9
SHA512e6ceab9d4b8635a9ae61335216f99ee1603df24566e0e333a9c30b3a1cbd28e9640941f36b3206f6ac4794ae0264d61cf23bd8bcb1bae6c356132edfb0e02289
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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