Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 12:39
Static task
static1
Behavioral task
behavioral1
Sample
95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe
Resource
win10v2004-20240426-en
General
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Target
95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe
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Size
4.1MB
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MD5
f3f1ea24c7557fd69b44b32d848b7aa6
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SHA1
f18c7bcbb3231c8147bb799f2e8d1b46bcf30acb
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SHA256
95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1
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SHA512
7b32346d7bb6fe4465b611e3b615a9a9061d767c4fe67136f988902f0a8e6d694a0d5e2459719387345f8704ac39b6807ae7e58921011c9add028633bc23a710
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SSDEEP
98304:kl9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+tX:JT3oWlQMUAMlWxj+tX
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4856-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-83-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/4856-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2560-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2124-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4876 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2124 csrss.exe 4208 injector.exe 2556 windefender.exe 2696 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233f8-218.dat upx behavioral1/memory/2556-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2556-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 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 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2156 sc.exe -
pid Process 1056 powershell.exe 544 powershell.exe 3784 powershell.exe 1356 powershell.exe 4896 powershell.exe 2600 powershell.exe 4548 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 2056 schtasks.exe 3352 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1356 powershell.exe 1356 powershell.exe 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 4896 powershell.exe 4896 powershell.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 2600 powershell.exe 2600 powershell.exe 4548 powershell.exe 4548 powershell.exe 1056 powershell.exe 1056 powershell.exe 544 powershell.exe 544 powershell.exe 3784 powershell.exe 3784 powershell.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 2124 csrss.exe 2124 csrss.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 2124 csrss.exe 2124 csrss.exe 4208 injector.exe 4208 injector.exe 2124 csrss.exe 2124 csrss.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Token: SeImpersonatePrivilege 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 1056 powershell.exe Token: SeDebugPrivilege 544 powershell.exe Token: SeDebugPrivilege 3784 powershell.exe Token: SeSystemEnvironmentPrivilege 2124 csrss.exe Token: SeSecurityPrivilege 2156 sc.exe Token: SeSecurityPrivilege 2156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4856 wrote to memory of 1356 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 86 PID 4856 wrote to memory of 1356 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 86 PID 4856 wrote to memory of 1356 4856 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 86 PID 2560 wrote to memory of 4896 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 96 PID 2560 wrote to memory of 4896 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 96 PID 2560 wrote to memory of 4896 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 96 PID 2560 wrote to memory of 4396 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 100 PID 2560 wrote to memory of 4396 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 100 PID 4396 wrote to memory of 4876 4396 cmd.exe 102 PID 4396 wrote to memory of 4876 4396 cmd.exe 102 PID 2560 wrote to memory of 2600 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 103 PID 2560 wrote to memory of 2600 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 103 PID 2560 wrote to memory of 2600 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 103 PID 2560 wrote to memory of 4548 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 105 PID 2560 wrote to memory of 4548 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 105 PID 2560 wrote to memory of 4548 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 105 PID 2560 wrote to memory of 2124 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 107 PID 2560 wrote to memory of 2124 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 107 PID 2560 wrote to memory of 2124 2560 95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe 107 PID 2124 wrote to memory of 1056 2124 csrss.exe 108 PID 2124 wrote to memory of 1056 2124 csrss.exe 108 PID 2124 wrote to memory of 1056 2124 csrss.exe 108 PID 2124 wrote to memory of 544 2124 csrss.exe 113 PID 2124 wrote to memory of 544 2124 csrss.exe 113 PID 2124 wrote to memory of 544 2124 csrss.exe 113 PID 2124 wrote to memory of 3784 2124 csrss.exe 116 PID 2124 wrote to memory of 3784 2124 csrss.exe 116 PID 2124 wrote to memory of 3784 2124 csrss.exe 116 PID 2124 wrote to memory of 4208 2124 csrss.exe 118 PID 2124 wrote to memory of 4208 2124 csrss.exe 118 PID 2556 wrote to memory of 3620 2556 windefender.exe 124 PID 2556 wrote to memory of 3620 2556 windefender.exe 124 PID 2556 wrote to memory of 3620 2556 windefender.exe 124 PID 3620 wrote to memory of 2156 3620 cmd.exe 125 PID 3620 wrote to memory of 2156 3620 cmd.exe 125 PID 3620 wrote to memory of 2156 3620 cmd.exe 125 -
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\95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe"C:\Users\Admin\AppData\Local\Temp\95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1356
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C:\Users\Admin\AppData\Local\Temp\95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.exe"C:\Users\Admin\AppData\Local\Temp\95d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1.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:2560 -
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:4896
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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:4396 -
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:4876
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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:4548
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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:2124 -
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:1056
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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:2056
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:720
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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:544
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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:3784
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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:4208
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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:3352
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2556 -
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:3620 -
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:2156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2696
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556c7c6564467ec0f0b88778880e4774e
SHA17bd2d5834654f1b855960420870ce8d4a341d744
SHA256b60da6857c8063fb7d57bf7ef9547282b0d4b2a0aed34ddb42605fba2470aae9
SHA512054864f4015c8f01428446dff5fc7112092c1321041598eb78b0347f34f6b1ce098162f30cf7ecd610753ad606554126d88021df5c2cef8c4fe557713fe7cbf6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562b760ab905eda163c5787eb2b9d6505
SHA1fee977166f4f0c4cb2e38f893b1bbc2fc218f1d0
SHA256d5744c7b06ae8396dffff77926ee13e87d4a4e67173c434911e2b389aa23b64b
SHA51270d7533801fd490bb773194f6c859f40c184da10a0defd7586fa8e77ab1f86602a3e2e13635ee89448dda39d516014cebd99e51e9ca82e9d2ca47ced7fa4d0b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57eb81625e920f614621620b85d418c22
SHA16e624c2063ce6e1e0adaa052835fa79c2827b0a0
SHA256dc918dbfed0f83fe31df68ecec8db2c08268442c150fee8aca63807fcd0cd7c4
SHA512d930f3fd05bb38396b9892728985ae3b9c618f5661a2449ed68595cf0da34fb50898fbb2cf03fa4a6872204f3b0e0255f07337e71fa00ec1914ba748feeec35f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a297eb8909e66c052f572c2bd5f5e2d
SHA1d1e92ff582948dcc9b0e9b4f6765b798545983eb
SHA2568be31d74075f8b78ee6660a9097c6c2c8f5ef6bfb05ef2380d069e9c17be33c0
SHA51244bbf9a6146f242bbec93b7161e0b59cd1652fdf5cc6a0c4c907c6e667bd42071fd9580d9b8b45ed3231f6770bf29a9716e90f06b3e31e88bf42310e41d17630
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cceb1c23ec25c9f59b7207cb3de0d5c5
SHA199546233789efee03527d1bd2763cc4470b1d64d
SHA25622741a59efaa0d23042696254fff958a770f8927500b206ccda8669c9916bafc
SHA51202dedf8a701415d95a9a7f683bc241071adb5a8e8906e7a593fe41568f8527969075e342db60431f879d2ac075d491a934f463adc48b967c5e8431ab94fdd91f
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Filesize
4.1MB
MD5f3f1ea24c7557fd69b44b32d848b7aa6
SHA1f18c7bcbb3231c8147bb799f2e8d1b46bcf30acb
SHA25695d1a8a93f18e1da9b7dc25215409c2c7244cef17a9c7ab5c7bfa5c4cb7611c1
SHA5127b32346d7bb6fe4465b611e3b615a9a9061d767c4fe67136f988902f0a8e6d694a0d5e2459719387345f8704ac39b6807ae7e58921011c9add028633bc23a710
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec