Analysis
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max time kernel
150s -
max time network
159s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 19:22
Static task
static1
Behavioral task
behavioral1
Sample
6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe
Resource
win10v2004-20240426-en
General
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Target
6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe
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Size
4.1MB
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MD5
32eb8f96c3f48c68b4765a48815cf19c
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SHA1
bc4082e5bf5f6acbbdb0fc27efae52157924ef1a
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SHA256
6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63
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SHA512
19cc5cfbccfe91a3e85495b639c8cf4fa57897f29ea58bca8a1b71bcbe4149343e201f24a3c3ae704dcd79809b9970b0da94fd4ecb5067ec04919472c18a0801
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SSDEEP
98304:fvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1x:fv8u49ZH7eDfxu9yMsEx
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1628-2-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/1628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1628-10-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1628-55-0x0000000004D10000-0x00000000055FB000-memory.dmp family_glupteba behavioral2/memory/1628-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1628-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4028-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4028-114-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4028-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-179-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-209-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4212-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3748 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4212 csrss.exe 2476 injector.exe 1528 windefender.exe 4844 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa3a-212.dat upx behavioral2/memory/1528-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1528-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe File created C:\Windows\rss\csrss.exe 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.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 956 sc.exe -
pid Process 1856 powershell.exe 2456 powershell.exe 1948 powershell.exe 4708 powershell.exe 5048 powershell.exe 2140 powershell.exe 232 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 1808 schtasks.exe 1688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.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,-332 = "E. Europe Standard 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" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-792 = "SA Western Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard 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" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1948 powershell.exe 1948 powershell.exe 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4708 powershell.exe 4708 powershell.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 5048 powershell.exe 5048 powershell.exe 2140 powershell.exe 2140 powershell.exe 232 powershell.exe 232 powershell.exe 1856 powershell.exe 1856 powershell.exe 2456 powershell.exe 2456 powershell.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 4212 csrss.exe 4212 csrss.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 4212 csrss.exe 4212 csrss.exe 2476 injector.exe 2476 injector.exe 4212 csrss.exe 4212 csrss.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe 2476 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Token: SeImpersonatePrivilege 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeSystemEnvironmentPrivilege 4212 csrss.exe Token: SeSecurityPrivilege 956 sc.exe Token: SeSecurityPrivilege 956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1628 wrote to memory of 1948 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 81 PID 1628 wrote to memory of 1948 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 81 PID 1628 wrote to memory of 1948 1628 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 81 PID 4028 wrote to memory of 4708 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 86 PID 4028 wrote to memory of 4708 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 86 PID 4028 wrote to memory of 4708 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 86 PID 4028 wrote to memory of 956 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 88 PID 4028 wrote to memory of 956 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 88 PID 956 wrote to memory of 3748 956 cmd.exe 90 PID 956 wrote to memory of 3748 956 cmd.exe 90 PID 4028 wrote to memory of 5048 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 91 PID 4028 wrote to memory of 5048 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 91 PID 4028 wrote to memory of 5048 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 91 PID 4028 wrote to memory of 2140 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 93 PID 4028 wrote to memory of 2140 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 93 PID 4028 wrote to memory of 2140 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 93 PID 4028 wrote to memory of 4212 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 95 PID 4028 wrote to memory of 4212 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 95 PID 4028 wrote to memory of 4212 4028 6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe 95 PID 4212 wrote to memory of 232 4212 csrss.exe 96 PID 4212 wrote to memory of 232 4212 csrss.exe 96 PID 4212 wrote to memory of 232 4212 csrss.exe 96 PID 4212 wrote to memory of 1856 4212 csrss.exe 102 PID 4212 wrote to memory of 1856 4212 csrss.exe 102 PID 4212 wrote to memory of 1856 4212 csrss.exe 102 PID 4212 wrote to memory of 2456 4212 csrss.exe 104 PID 4212 wrote to memory of 2456 4212 csrss.exe 104 PID 4212 wrote to memory of 2456 4212 csrss.exe 104 PID 4212 wrote to memory of 2476 4212 csrss.exe 106 PID 4212 wrote to memory of 2476 4212 csrss.exe 106 PID 1528 wrote to memory of 1536 1528 windefender.exe 112 PID 1528 wrote to memory of 1536 1528 windefender.exe 112 PID 1528 wrote to memory of 1536 1528 windefender.exe 112 PID 1536 wrote to memory of 956 1536 cmd.exe 113 PID 1536 wrote to memory of 956 1536 cmd.exe 113 PID 1536 wrote to memory of 956 1536 cmd.exe 113 -
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\6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe"C:\Users\Admin\AppData\Local\Temp\6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
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C:\Users\Admin\AppData\Local\Temp\6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.exe"C:\Users\Admin\AppData\Local\Temp\6e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63.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:4028 -
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:4708
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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:956 -
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:3748
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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:5048
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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:2140
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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:4212 -
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:232
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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:1808
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4576
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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:1856
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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:2456
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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:2476
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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:1688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1528 -
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:1536 -
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:956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4844
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
MD5bf00446c617e9d3cfecfbdfdbc428327
SHA1a0d76e0934d9e33031ca7638e6f83f03e7b4219e
SHA25662297682b304f2b1d11c64ba77f155bb7d9dd68a5f79ec25dc198f90844f5fad
SHA5120c4e0d8f9d44a34e1231889b2f9570edce88bae8abcc092ccd45c263236daf3c475d775337ffe05f1473511c6c2d34af5b6a15884bb89b1c1d6a542eafbda245
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565142a3f3e55b580fdb4971515fe2ac9
SHA10f65275f995abeacfa1669c101fbb6c6b2d29e2d
SHA25682500b2641148648c4605fbb1394f7c5be9a023d0e93ae26f0691c6b4df8cde4
SHA5122404cff04ceda4a3bae66eacec955b0f57a9cb66ecfe1a767bc300d294e51107a626d90b348079c78c2b1eaaf2ff4f03755df62b34432a56b0a42bb9c7c7c4ad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571cff5ae086957c339ca20140615991e
SHA14e039345837d99a8b66bb99dd8193cf6253bc428
SHA2560eb9cf7e55b5d0c4d397fbb178a2a5893ebc7bbe2ed1eb58aef0d383601ab0db
SHA51232846e2786d0a0327192c514c3c9b90618f3569cbe5fbb561f4cf310a60d3eba6a7753ea957e46ce17f514f8ec56d1b3215fe4b74e2a5d9b976d530566866369
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a7d1dec92d6f793f814b90efd1ac604
SHA131f42b951a628ffc5aaab4fc3e40dbefd508b886
SHA256438de4a521a13f8b9e9713cb95beb213cc19d62f36fef7accfc3f1c5b5778229
SHA512e626af38efe67182c33700b47800a6828704b3fea69c44658780a6c1a17c77c1703119d71f204589084569572abffadb4f119e52c8e8fd8e406f83f0c61072ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0470c0b8e592641b72c5f7903b7ab27
SHA1db370a75be71e9db33c8371045d2ad9884643057
SHA256c4ee4e3d26c6503067051617cff558be3489cd8d1419420959500b268609a075
SHA512a9754f3e66559c0d86268ba9a9886a2d45d0fb1f565ca112c1f4f3fb201f7296cf86b95e33007bd18820393901af80e3949c366c6afd8073eeda1548e6282212
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Filesize
4.1MB
MD532eb8f96c3f48c68b4765a48815cf19c
SHA1bc4082e5bf5f6acbbdb0fc27efae52157924ef1a
SHA2566e31c9f7cc2950b9746c28d0439d5b11438c5f31f5c0b51988cd2ae2e43bab63
SHA51219cc5cfbccfe91a3e85495b639c8cf4fa57897f29ea58bca8a1b71bcbe4149343e201f24a3c3ae704dcd79809b9970b0da94fd4ecb5067ec04919472c18a0801
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec