Analysis
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max time kernel
299s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
16/05/2024, 22:30
Static task
static1
Behavioral task
behavioral1
Sample
01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe
Resource
win7-20240215-en
General
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Target
01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe
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Size
4.1MB
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MD5
7ca8d632e43668b3c3f9f94e3727d6d2
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SHA1
6f0cee6bceccd48993577c99db7f62fa838a3435
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SHA256
01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9
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SHA512
f21206dfc84dd647382bb54e5053493a35c24607548520cf4c3ad434c446d9262567f55a21f637d334d6ef09daed7f2719ecc2fb46513bf2f4b74aadc3e86136
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SSDEEP
98304:vqpMRaJi3sEqIr6ilJJkay2XIp4ZT71i5GwG4N1PBcavz8a/:vqpMRJcE1nJkaVIp4ZT7zwBrzd/
Malware Config
Signatures
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Glupteba payload 34 IoCs
resource yara_rule behavioral2/memory/2100-2-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral2/memory/2100-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2100-297-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2100-303-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2100-302-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral2/memory/2100-300-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4368-1020-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1746-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1755-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1762-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1764-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1766-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1768-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1770-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1772-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1774-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1776-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1778-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1780-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1782-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1784-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1786-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1788-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1790-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1792-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1794-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1796-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1798-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1800-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1802-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1804-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1806-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1808-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3092-1810-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3532 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3092 csrss.exe 4104 injector.exe 5024 windefender.exe 1328 windefender.exe -
resource yara_rule behavioral2/files/0x000800000001ac4a-1754.dat upx behavioral2/memory/5024-1756-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5024-1761-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1328-1760-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1328-1763-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1328-1767-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1328-1773-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe File created C:\Windows\rss\csrss.exe 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.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 4520 sc.exe -
pid Process 3180 powershell.exe 4828 powershell.exe 3692 powershell.exe 380 powershell.exe 2600 powershell.exe 524 powershell.exe 1840 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4244 schtasks.exe 4676 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\1a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.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\1a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3692 powershell.exe 3692 powershell.exe 3692 powershell.exe 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 380 powershell.exe 380 powershell.exe 380 powershell.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 2600 powershell.exe 2600 powershell.exe 2600 powershell.exe 524 powershell.exe 524 powershell.exe 524 powershell.exe 1840 powershell.exe 1840 powershell.exe 1840 powershell.exe 3180 powershell.exe 3180 powershell.exe 3180 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 3092 csrss.exe 3092 csrss.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 3092 csrss.exe 3092 csrss.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 3092 csrss.exe 3092 csrss.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe 4104 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3692 powershell.exe Token: SeDebugPrivilege 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Token: SeImpersonatePrivilege 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 524 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 4828 powershell.exe Token: SeSystemEnvironmentPrivilege 3092 csrss.exe Token: SeSecurityPrivilege 4520 sc.exe Token: SeSecurityPrivilege 4520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2100 wrote to memory of 3692 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 73 PID 2100 wrote to memory of 3692 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 73 PID 2100 wrote to memory of 3692 2100 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 73 PID 4368 wrote to memory of 380 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 78 PID 4368 wrote to memory of 380 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 78 PID 4368 wrote to memory of 380 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 78 PID 4368 wrote to memory of 780 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 80 PID 4368 wrote to memory of 780 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 80 PID 780 wrote to memory of 3532 780 cmd.exe 82 PID 780 wrote to memory of 3532 780 cmd.exe 82 PID 4368 wrote to memory of 2600 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 83 PID 4368 wrote to memory of 2600 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 83 PID 4368 wrote to memory of 2600 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 83 PID 4368 wrote to memory of 524 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 85 PID 4368 wrote to memory of 524 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 85 PID 4368 wrote to memory of 524 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 85 PID 4368 wrote to memory of 3092 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 87 PID 4368 wrote to memory of 3092 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 87 PID 4368 wrote to memory of 3092 4368 01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe 87 PID 3092 wrote to memory of 1840 3092 csrss.exe 88 PID 3092 wrote to memory of 1840 3092 csrss.exe 88 PID 3092 wrote to memory of 1840 3092 csrss.exe 88 PID 3092 wrote to memory of 3180 3092 csrss.exe 95 PID 3092 wrote to memory of 3180 3092 csrss.exe 95 PID 3092 wrote to memory of 3180 3092 csrss.exe 95 PID 3092 wrote to memory of 4828 3092 csrss.exe 97 PID 3092 wrote to memory of 4828 3092 csrss.exe 97 PID 3092 wrote to memory of 4828 3092 csrss.exe 97 PID 3092 wrote to memory of 4104 3092 csrss.exe 99 PID 3092 wrote to memory of 4104 3092 csrss.exe 99 PID 5024 wrote to memory of 3540 5024 windefender.exe 106 PID 5024 wrote to memory of 3540 5024 windefender.exe 106 PID 5024 wrote to memory of 3540 5024 windefender.exe 106 PID 3540 wrote to memory of 4520 3540 cmd.exe 107 PID 3540 wrote to memory of 4520 3540 cmd.exe 107 PID 3540 wrote to memory of 4520 3540 cmd.exe 107 -
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\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe"C:\Users\Admin\AppData\Local\Temp\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3692
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C:\Users\Admin\AppData\Local\Temp\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.exe"C:\Users\Admin\AppData\Local\Temp\01203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9.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:4368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
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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:780 -
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:3532
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:524
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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:3092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
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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:4244
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3544
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4828
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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:4104
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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:4676
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5024 -
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:3540 -
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:4520
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1328
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57134bfe2f43682222cb63cce17c95445
SHA1dc3c206c17769894a7fc116fab38da76044129ff
SHA25686a72ba244480ea11691c7fb29ba4ae866f80146a6696bc00083909aa02d4a30
SHA512a3bea86d5599ce075aa9bf1a4c70e6f5d5b43a3838427387d821a0c4ef5d8a7873dd3c03ef4a1c2bc8778f9585fb8f24abd83ed44de5d77a0bbb5297e89db5a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD535be4fe8b42de18118b7dfb055a84839
SHA120d29d71a2376a05af59514f7976025cd5ac8caf
SHA256f489d287782675a3e269102c73b64ca564fb1ac31a5983afeacb6dbca82d60a2
SHA512d55fb7c551ae12174de919b79f37ed440561230102a2bdf14ba7e24f6052e306ff2adb0958fe12e02f139331940fb9c90135cf500b42a2136c2236d7c0b1151c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD591a64b5188be76766ddf443ae2cb2550
SHA10405d3095b5603e0933ab42222606548e7ccb89a
SHA256cb7b72fc9f396b897923dad87ef2f8257db06f2872695f0a4f750cf60caa0d8e
SHA5127c059ee297650280222ed0d19ec761365d95490307b6038792973d3a85a5908cc516c17bd342aa0fb36904352a9012b47b5d8eba3e04bcdabb6cff828c46b82f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52eb17dc41c04b1a0c1de70b6015bb37f
SHA1e59f28dc07b36b9c98a01305988a929d49d1d2d4
SHA2566f5831e8230507305724ef87b43b3a95eb49d8554d4abd5f988fae8255e97301
SHA5126129211076d7f2fd3b378b91681f0437faf8b08138a0ed924e118c3df59061b953e26fd22bf09075c5d3aac3a8460af0228ebb773a7a3f8dfb7c0b57323ed013
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52c2d6735cc6e3bc8d1bb408c66b82b44
SHA1629e1a7ece33455c71b9e7ff610eb09809ac6fbc
SHA2569ae3d1c3d452ec0f7f056b634e47cf02f68bb52805ff52eb2a459dde313f341e
SHA5127eadf9b178fb3f0bb832afb04c60e1edd6cfc8f60b10934e9e51a486f14a50bb5bbfcbef22346742b4f95ac0b55b0586d875e55c645a3e4f2f57452b092beee2
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Filesize
4.1MB
MD57ca8d632e43668b3c3f9f94e3727d6d2
SHA16f0cee6bceccd48993577c99db7f62fa838a3435
SHA25601203461ae717fc597eba6b372167b0c1c66a1917236d82f1491a1f8c57af2c9
SHA512f21206dfc84dd647382bb54e5053493a35c24607548520cf4c3ad434c446d9262567f55a21f637d334d6ef09daed7f2719ecc2fb46513bf2f4b74aadc3e86136
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec