Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 04:27
Static task
static1
Behavioral task
behavioral1
Sample
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe
Resource
win10v2004-20240508-en
General
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Target
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe
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Size
4.1MB
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MD5
9ed4706a873d4e398654889fa1c48e3a
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SHA1
18d8055ab8e4609cf7b4d6fdff4d1a51b60f09fc
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SHA256
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e
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SHA512
ed72ffcb8148fad05f95a012bbbd64ce210a5cc63330909f2a3b16f5b7a1ed22a84f6781915975e05ebca5b397a03a042fc92b8b53c0612a54c86231bb699ee6
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SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcd:pI9hoq9wC6uGlB/xgd
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/2108-2-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral2/memory/2108-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2108-76-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral2/memory/2108-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4376-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4360-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2764 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4360 csrss.exe 4692 injector.exe 3076 windefender.exe 4188 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9f0-207.dat upx behavioral2/memory/3076-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4188-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3076-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4188-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4188-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe -
Drops file in Windows directory 4 IoCs
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe File created C:\Windows\rss\csrss.exe f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.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.
Processes:
sc.exepid Process 3732 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3216 powershell.exe 2132 powershell.exe 560 powershell.exe 4440 powershell.exe 3460 powershell.exe 3872 powershell.exe 4568 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4980 schtasks.exe 2812 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exepowershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.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\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2132 powershell.exe 2132 powershell.exe 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 560 powershell.exe 560 powershell.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 4440 powershell.exe 4440 powershell.exe 3460 powershell.exe 3460 powershell.exe 3872 powershell.exe 3872 powershell.exe 4568 powershell.exe 4568 powershell.exe 3216 powershell.exe 3216 powershell.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4360 csrss.exe 4360 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4360 csrss.exe 4360 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4360 csrss.exe 4360 csrss.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe 4692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Token: SeImpersonatePrivilege 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeSystemEnvironmentPrivilege 4360 csrss.exe Token: SeSecurityPrivilege 3732 sc.exe Token: SeSecurityPrivilege 3732 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exef1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2108 wrote to memory of 2132 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 79 PID 2108 wrote to memory of 2132 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 79 PID 2108 wrote to memory of 2132 2108 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 79 PID 4376 wrote to memory of 560 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 84 PID 4376 wrote to memory of 560 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 84 PID 4376 wrote to memory of 560 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 84 PID 4376 wrote to memory of 1712 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 86 PID 4376 wrote to memory of 1712 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 86 PID 1712 wrote to memory of 2764 1712 cmd.exe 88 PID 1712 wrote to memory of 2764 1712 cmd.exe 88 PID 4376 wrote to memory of 4440 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 89 PID 4376 wrote to memory of 4440 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 89 PID 4376 wrote to memory of 4440 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 89 PID 4376 wrote to memory of 3460 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 91 PID 4376 wrote to memory of 3460 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 91 PID 4376 wrote to memory of 3460 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 91 PID 4376 wrote to memory of 4360 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 93 PID 4376 wrote to memory of 4360 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 93 PID 4376 wrote to memory of 4360 4376 f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe 93 PID 4360 wrote to memory of 3872 4360 csrss.exe 94 PID 4360 wrote to memory of 3872 4360 csrss.exe 94 PID 4360 wrote to memory of 3872 4360 csrss.exe 94 PID 4360 wrote to memory of 4568 4360 csrss.exe 100 PID 4360 wrote to memory of 4568 4360 csrss.exe 100 PID 4360 wrote to memory of 4568 4360 csrss.exe 100 PID 4360 wrote to memory of 3216 4360 csrss.exe 102 PID 4360 wrote to memory of 3216 4360 csrss.exe 102 PID 4360 wrote to memory of 3216 4360 csrss.exe 102 PID 4360 wrote to memory of 4692 4360 csrss.exe 104 PID 4360 wrote to memory of 4692 4360 csrss.exe 104 PID 3076 wrote to memory of 4712 3076 windefender.exe 110 PID 3076 wrote to memory of 4712 3076 windefender.exe 110 PID 3076 wrote to memory of 4712 3076 windefender.exe 110 PID 4712 wrote to memory of 3732 4712 cmd.exe 111 PID 4712 wrote to memory of 3732 4712 cmd.exe 111 PID 4712 wrote to memory of 3732 4712 cmd.exe 111 -
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\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.exe"C:\Users\Admin\AppData\Local\Temp\f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e.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:4376 -
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:560
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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:1712 -
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:2764
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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:4440
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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:3460
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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:4360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872
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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:4980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:652
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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:4568
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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:3216
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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:4692
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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:2812
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3076 -
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:4712 -
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:3732
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4188
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c97743c68c1f7e53252650b2df32142
SHA1321153c1f0fbe457cf4a8a4a576c2fc64e4361b2
SHA2569af27ca1b6595537300f9b01c466eb45633c46a98095e540b62efafc4b5a1295
SHA51215d5dc519124ac52e626e8d9134cb67d8798a65db6d8f15fef4d89ab7e3d03eabb74579e331635c8bc73b82c2405b7c8059024ead66b737319b25c2fcf71923b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bd21b903e21e354de43944e0839d2b7
SHA18af0a17069712f25eea41f58278bba75fd3eaa7a
SHA25643c14ee2ad3dc2734a12cbbc05d3dfdd187cbf951f245a97dd617d9b38c9d0cd
SHA512ceb281e55475c9d5ece8e8d3ed8d26044882d6af9de606ef2efcc0de6b6962689d999cbb86dfee4525b8ce584a3767e06e91748209ee39ffc351a5e2da8cf126
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5959c29209b40722105c929aead10e0b9
SHA14ada5b7ea750f432916a6f8a543098d12d37f600
SHA256d6dc289ef9da8d8f0de821c25811c358c2a6aac60d7d6d4ebd0dcbec49f2bc71
SHA512f0084509830d652384ff54224c6f5e0ecba2f4d9e01c8ec21821a855faf0ce518cb794dc6d9ec49b3cfe10f89edd63c9e1595c98aaf44b37b5c3300e8a4cfdf7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533ed879caf2b46bfd2e02c549cd04aef
SHA1a32444ed9652051eece5c5970443bdd120464b79
SHA256d626bd189c0feb2f34af011469fbb76dda553fe08f0bd22247189e8df28e989c
SHA5128ee59b29f1e628b8515dad526fe03844ceeb3e3c750689521e6f3d95f4e277c9b876e105a45acda392cf0795ead761cb53a121351182d656c07eb9601587005d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c7647f556d07e71d53877127ab29646
SHA168f191998439687ebe7c756e7235ccc00596330a
SHA256bee3a882093a7c6fb37a77ee72477f6926195ae4a00534e72247d2719690873c
SHA51299a194cdb4aeb247ea132ee75e477e10b8b1c827a38ba421adc94faaf89fd5f73697cb91aa02d043d7eecb0faac6c22166216e3fe02bf0608e43c6e737664297
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Filesize
4.1MB
MD59ed4706a873d4e398654889fa1c48e3a
SHA118d8055ab8e4609cf7b4d6fdff4d1a51b60f09fc
SHA256f1071d328a3eb36536b5bd5efb31f6b0b9a3a1c969d8beb2fe774f195a1b589e
SHA512ed72ffcb8148fad05f95a012bbbd64ce210a5cc63330909f2a3b16f5b7a1ed22a84f6781915975e05ebca5b397a03a042fc92b8b53c0612a54c86231bb699ee6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec