Analysis
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max time kernel
149s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe
Resource
win10v2004-20240426-en
General
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Target
831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe
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Size
4.1MB
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MD5
245441f290f9315d150f6ce2090dd30f
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SHA1
46bdef0eee88dca718b7efe92d9a38bbb6893b65
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SHA256
831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07
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SHA512
2fd750a088c637cca7317a6014fe875a6e66f10e15878195c0b13383038a16a07f8d1b78bfb48122982484f31870f1480ffd967c824610b6fcc74521e38ac040
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SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS/:IuOpIddBi3V8Ojm7gWylM939Cm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/976-2-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/976-156-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/976-155-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/976-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3904-211-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-214-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-225-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-249-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-257-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-261-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-265-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3572-268-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Blocklisted process makes network request 4 IoCs
flow pid Process 16 3444 Process not Found 19 3444 Process not Found 21 3444 Process not Found 28 3444 Process not Found -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3572 csrss.exe 1664 injector.exe 868 windefender.exe 3052 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023430-217.dat upx behavioral1/memory/868-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/868-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3052-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 -
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 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe File created C:\Windows\rss\csrss.exe 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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 2532 sc.exe -
pid Process 1148 powershell.exe 4144 powershell.exe 2580 powershell.exe 4236 powershell.exe 1436 powershell.exe 2232 powershell.exe 4980 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 3444 schtasks.exe 4364 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-672 = "AUS Eastern 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,-772 = "Montevideo Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-1022 = "Bangladesh Standard Time" windefender.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" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2580 powershell.exe 2580 powershell.exe 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 4236 powershell.exe 4236 powershell.exe 4236 powershell.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 1436 powershell.exe 1436 powershell.exe 2232 powershell.exe 2232 powershell.exe 4980 powershell.exe 4980 powershell.exe 4980 powershell.exe 1148 powershell.exe 1148 powershell.exe 4144 powershell.exe 4144 powershell.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 3572 csrss.exe 3572 csrss.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 3572 csrss.exe 3572 csrss.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 3572 csrss.exe 3572 csrss.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe 1664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Token: SeImpersonatePrivilege 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 4144 powershell.exe Token: SeSystemEnvironmentPrivilege 3572 csrss.exe Token: SeSecurityPrivilege 2532 sc.exe Token: SeSecurityPrivilege 2532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 976 wrote to memory of 2580 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 85 PID 976 wrote to memory of 2580 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 85 PID 976 wrote to memory of 2580 976 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 85 PID 3904 wrote to memory of 4236 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 99 PID 3904 wrote to memory of 4236 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 99 PID 3904 wrote to memory of 4236 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 99 PID 3904 wrote to memory of 3888 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 104 PID 3904 wrote to memory of 3888 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 104 PID 3888 wrote to memory of 1696 3888 cmd.exe 106 PID 3888 wrote to memory of 1696 3888 cmd.exe 106 PID 3904 wrote to memory of 1436 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 107 PID 3904 wrote to memory of 1436 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 107 PID 3904 wrote to memory of 1436 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 107 PID 3904 wrote to memory of 2232 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 111 PID 3904 wrote to memory of 2232 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 111 PID 3904 wrote to memory of 2232 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 111 PID 3904 wrote to memory of 3572 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 113 PID 3904 wrote to memory of 3572 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 113 PID 3904 wrote to memory of 3572 3904 831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe 113 PID 3572 wrote to memory of 4980 3572 csrss.exe 114 PID 3572 wrote to memory of 4980 3572 csrss.exe 114 PID 3572 wrote to memory of 4980 3572 csrss.exe 114 PID 3572 wrote to memory of 1148 3572 csrss.exe 120 PID 3572 wrote to memory of 1148 3572 csrss.exe 120 PID 3572 wrote to memory of 1148 3572 csrss.exe 120 PID 3572 wrote to memory of 4144 3572 csrss.exe 122 PID 3572 wrote to memory of 4144 3572 csrss.exe 122 PID 3572 wrote to memory of 4144 3572 csrss.exe 122 PID 3572 wrote to memory of 1664 3572 csrss.exe 124 PID 3572 wrote to memory of 1664 3572 csrss.exe 124 PID 868 wrote to memory of 2172 868 windefender.exe 130 PID 868 wrote to memory of 2172 868 windefender.exe 130 PID 868 wrote to memory of 2172 868 windefender.exe 130 PID 2172 wrote to memory of 2532 2172 cmd.exe 131 PID 2172 wrote to memory of 2532 2172 cmd.exe 131 PID 2172 wrote to memory of 2532 2172 cmd.exe 131 -
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\831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe"C:\Users\Admin\AppData\Local\Temp\831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580
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C:\Users\Admin\AppData\Local\Temp\831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.exe"C:\Users\Admin\AppData\Local\Temp\831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07.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:3904 -
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:4236
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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:3888 -
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:1696
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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:1436
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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:2232
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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:3572 -
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:4980
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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:3444
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3060
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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:1148
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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:4144
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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:1664
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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:4364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:868 -
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:2172 -
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:2532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3052
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
MD58516af5201b9d67612560c5e2812c1e8
SHA13fad7f5b56b4040bf8f49106d5f9fc45c127d5de
SHA2560f17ad5f0fdfca8379d5af2fb7fe48a6d5d47fc15c108f54fe22ac2640114adb
SHA51237611aaae0cde37f6fd75ae5d659de105c8dcdfddd882e7b9938968d0357e4c53e23673ae2583c6eb053f641695a86390ba2b79b905804b524841eaf34d29704
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc64761892e193bf33c9fd76f1c1f746
SHA1ae0c7f2d8c0f0584cff02069a3fd275cfb62ac88
SHA2565f6e98dcad23b98069c6ab8f8a34883d112a426c4cea1f7043e46f5cfe208921
SHA5128d2b1ab76129b3502f0cc2ae4fb26b2c0cdaae85532467c6db5c46bd1f92f266b66435c28e5c3707c32cccb571cbabdf586fa2a5178fe93b842a592997a60a6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5055e7987191db17a0e71e2e8bdecb140
SHA10e0e2bb62981ad5b50d49d96cb2da5ffcfeb4eb7
SHA256d70d58ecc0a1322b0a79b32a390084691aa32ac697f6f815db512a3c8b76cd2a
SHA5127497ec8acb86f72d2539181f49f921c58f4fe7ff246981e97cfdc061a279e7a4d22e07d7f3a9dd0f6333b17b62de4eccc984d5efd5d5994c798ff8e424039f31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae0817f987b6579cec53adb19c85667b
SHA1782a867b0e48580b7a70346f6cbee99d80d8b1d3
SHA25687ec1bfe757692f845391fdba9553d573610fb6a6393d717687db5b445d0746f
SHA512e300bc6480f326b21b521eaf78f5529489d027f395bb6d54c362a8c6c124596e51961289bbbefa68b82169b5352ed1fbc8de0a5fbe46e62a23b808e20bdf729d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546e7b5601a5821dc6b24e0ec2638d5b5
SHA171abbc13f5d0fa428b4a74cfe8209f941403f207
SHA25636756d00c8740cbd0256ab617a483e1350321c38667e749092452317e5eea442
SHA5129e79608c5b7d5ba462a18166304608ca92d4daf6b3a2877e7d415fff5537368b1184103ff9578c55dcb86786e834cc340b1561e24bc158b72a9142d9f22ce0c2
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Filesize
4.1MB
MD5245441f290f9315d150f6ce2090dd30f
SHA146bdef0eee88dca718b7efe92d9a38bbb6893b65
SHA256831336c61a34f8a71530c2aba43253646922ea840c018e83c1e3b6f70d1d7a07
SHA5122fd750a088c637cca7317a6014fe875a6e66f10e15878195c0b13383038a16a07f8d1b78bfb48122982484f31870f1480ffd967c824610b6fcc74521e38ac040
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec