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
98s -
max time network
536s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
14/07/2023, 00:46
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 16 IoCs
resource yara_rule behavioral1/memory/4844-119-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/4844-120-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4844-135-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/4844-186-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4844-420-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/4844-423-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2304-426-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2304-447-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2304-681-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2304-942-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/2304-1166-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1312-1170-0x0000000005600000-0x0000000005EEB000-memory.dmp family_glupteba behavioral1/memory/1312-1171-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1312-1198-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1312-1540-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba behavioral1/memory/1312-1911-0x0000000000400000-0x0000000002F2E000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3064 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1312 csrss.exe 2668 injector.exe 4412 windefender.exe 3404 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001afb2-1919.dat upx behavioral1/files/0x000700000001afb2-1921.dat upx behavioral1/files/0x000700000001afb2-1922.dat upx behavioral1/memory/4412-1924-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3229013990-3330391637-2814184332-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3229013990-3330391637-2814184332-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.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 created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe File created C:\Windows\rss\csrss.exe 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1664 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 2908 schtasks.exe 4396 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands 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,-111 = "Eastern Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe -
Suspicious behavior: EnumeratesProcesses 55 IoCs
pid Process 4660 powershell.exe 4660 powershell.exe 4660 powershell.exe 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 804 powershell.exe 804 powershell.exe 804 powershell.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 512 powershell.exe 512 powershell.exe 512 powershell.exe 2032 powershell.exe 2032 powershell.exe 2032 powershell.exe 5112 powershell.exe 5112 powershell.exe 5112 powershell.exe 2652 powershell.exe 2652 powershell.exe 2652 powershell.exe 772 powershell.exe 772 powershell.exe 772 powershell.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 1312 csrss.exe 1312 csrss.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 2668 injector.exe 1312 csrss.exe 1312 csrss.exe 2668 injector.exe 2668 injector.exe 1312 csrss.exe 1312 csrss.exe 2668 injector.exe 2668 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4660 powershell.exe Token: SeDebugPrivilege 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeImpersonatePrivilege 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe Token: SeDebugPrivilege 804 powershell.exe Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeSystemEnvironmentPrivilege 1312 csrss.exe Token: SeSecurityPrivilege 1664 sc.exe Token: SeSecurityPrivilege 1664 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4844 wrote to memory of 4660 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 70 PID 4844 wrote to memory of 4660 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 70 PID 4844 wrote to memory of 4660 4844 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 70 PID 2304 wrote to memory of 804 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 75 PID 2304 wrote to memory of 804 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 75 PID 2304 wrote to memory of 804 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 75 PID 2304 wrote to memory of 2592 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 78 PID 2304 wrote to memory of 2592 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 78 PID 2592 wrote to memory of 3064 2592 cmd.exe 79 PID 2592 wrote to memory of 3064 2592 cmd.exe 79 PID 2304 wrote to memory of 512 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 80 PID 2304 wrote to memory of 512 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 80 PID 2304 wrote to memory of 512 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 80 PID 2304 wrote to memory of 2032 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 2304 wrote to memory of 2032 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 2304 wrote to memory of 2032 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 82 PID 2304 wrote to memory of 1312 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 84 PID 2304 wrote to memory of 1312 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 84 PID 2304 wrote to memory of 1312 2304 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe 84 PID 1312 wrote to memory of 5112 1312 csrss.exe 85 PID 1312 wrote to memory of 5112 1312 csrss.exe 85 PID 1312 wrote to memory of 5112 1312 csrss.exe 85 PID 1312 wrote to memory of 2652 1312 csrss.exe 91 PID 1312 wrote to memory of 2652 1312 csrss.exe 91 PID 1312 wrote to memory of 2652 1312 csrss.exe 91 PID 1312 wrote to memory of 772 1312 csrss.exe 94 PID 1312 wrote to memory of 772 1312 csrss.exe 94 PID 1312 wrote to memory of 772 1312 csrss.exe 94 PID 1312 wrote to memory of 2668 1312 csrss.exe 96 PID 1312 wrote to memory of 2668 1312 csrss.exe 96 PID 4412 wrote to memory of 4552 4412 windefender.exe 104 PID 4412 wrote to memory of 4552 4412 windefender.exe 104 PID 4412 wrote to memory of 4552 4412 windefender.exe 104 PID 4552 wrote to memory of 1664 4552 cmd.exe 105 PID 4552 wrote to memory of 1664 4552 cmd.exe 105 PID 4552 wrote to memory of 1664 4552 cmd.exe 105 -
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:4844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"C:\Users\Admin\AppData\Local\Temp\27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2304 -
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:804
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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:2592 -
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
- Modifies data under HKEY_USERS
PID:3064
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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:512
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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:2032
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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:1312 -
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:5112
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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:2908
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1484
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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:2652
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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:772
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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:2668
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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:4396
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4412 -
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:4552 -
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:1664
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:3404
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD59cddfdec5d1e4022eb90c913e116f4aa
SHA1216f42f15695bc4106f0586e6a836efd8702ded3
SHA2560cc5fb417ae785ae3c81d7f708e0698468fd768fcd1c2d039716106622b42471
SHA5120ed55cfed018a5177c44ad69b221d29ddaf0c9737f8d04d5a7cfaf1f1edd237b87c34a10f4c80a31bf7a5413c570ca109ea2e6b59743e4292ab8e419d0ca9875
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b6835634570f654d0c2607cd27e5cf04
SHA1678c0c7d0c18cae90bf1ac850c6864b0e66456db
SHA2565c7b42409996adb7eec0cf129b8d32f478873778204602a48fd51a8eb8160951
SHA512634da3ee9666ae17f1926c6c21421d750a9516119bfaa8d68683d5f1d9b6760bc0b4486179e51c411b2abc0672172d498119f21b248e86e2844f25008f230a43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b80100aef19bb5420d18d94f0bf91661
SHA13d65b91de9c5a590ed7b1214429a55457da5471a
SHA256a2e05094036f2ec41efc94733b291294dc4618edfb8ecd4f714f0fc35d41cea3
SHA5124f6dd6226e39e5ae1de489387b9db50b26b1f00d6a1bfa449b93e2daf4a621ebc109aab1cd214801d4ce2067442e9f8cca5523e62b2a11710142c724c19bd189
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD585f27d689de447c2f2b6b958180111ac
SHA10460a9c3e7876cccfaccba65374fae597aff944a
SHA25677bd2a71e7e387b145cbef70e57a1d47ded3a723fb5e110de9d4876cec4d48e9
SHA51219fe7b962ce4e60f9b2bebbefa1b6cd242d552185e95177dbb68e227c15cd35d4e8d5913aa54999c462c59c00cca09c254cb4913f4a177ef2a54c6979dcc84d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b125ea50bec06d3a263a2676474a62b3
SHA1cff259d87c4debe0e0b082201f640397b51399d2
SHA256d9c3eca057a86f55b3d75097eb18ce00b09dfd18bf076ca78d5934d6643ecaf6
SHA5126f937677d454ddc9b26a20d1babcaf9dc989033bbfdc21b39953c69262ef38c557815dce2666c251801d54ace195c91ab9f45a507ea5aff224d05b69cf7f860a
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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