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Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 21:36
Static task
static1
Behavioral task
behavioral1
Sample
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe
Resource
win10v2004-20231215-en
General
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Target
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe
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Size
4.1MB
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MD5
6e14d1db9ff992aee67deedb2ecd6c0a
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SHA1
45e97da453e466f6a3fc2e50cfdd267f4a3bc39c
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SHA256
1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db
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SHA512
e3df7318d301c0041bbad97d516dc901ad29c044e32758771170c3c86f0d21a394a90b012610c78ea6e12e18ab040fc86185051e85770a386c4cc27684d8e3b8
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SSDEEP
98304:/ZTJtvrSQI+RdfgxNOWs+luvBV3Kjpf8MTPWtsil5h:hVJ5f9clKG+MTut9p
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3624-2-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/3624-3-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3624-54-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3624-56-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/3028-58-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/3028-59-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3028-158-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-263-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-267-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-273-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-275-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-277-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-279-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-281-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-283-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-285-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-287-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2968-289-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1272 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2968 csrss.exe 4520 injector.exe 1944 windefender.exe 3548 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023226-266.dat upx behavioral1/memory/1944-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3548-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3548-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe File created C:\Windows\rss\csrss.exe 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.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 6100 sc.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 2076 schtasks.exe 5752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard 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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\22\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3180 powershell.exe 3180 powershell.exe 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 2884 powershell.exe 2884 powershell.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 5968 powershell.exe 5968 powershell.exe 5380 powershell.exe 5380 powershell.exe 1216 powershell.exe 1216 powershell.exe 1300 powershell.exe 1300 powershell.exe 404 powershell.exe 404 powershell.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 2968 csrss.exe 2968 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 2968 csrss.exe 2968 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 2968 csrss.exe 2968 csrss.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe 4520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Token: SeImpersonatePrivilege 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 5968 powershell.exe Token: SeDebugPrivilege 5380 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeSystemEnvironmentPrivilege 2968 csrss.exe Token: SeSecurityPrivilege 6100 sc.exe Token: SeSecurityPrivilege 6100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3624 wrote to memory of 3180 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 85 PID 3624 wrote to memory of 3180 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 85 PID 3624 wrote to memory of 3180 3624 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 85 PID 3028 wrote to memory of 2884 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3028 wrote to memory of 2884 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3028 wrote to memory of 2884 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 95 PID 3028 wrote to memory of 1348 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 97 PID 3028 wrote to memory of 1348 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 97 PID 1348 wrote to memory of 1272 1348 cmd.exe 99 PID 1348 wrote to memory of 1272 1348 cmd.exe 99 PID 3028 wrote to memory of 5968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 100 PID 3028 wrote to memory of 5968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 100 PID 3028 wrote to memory of 5968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 100 PID 3028 wrote to memory of 5380 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 102 PID 3028 wrote to memory of 5380 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 102 PID 3028 wrote to memory of 5380 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 102 PID 3028 wrote to memory of 2968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 104 PID 3028 wrote to memory of 2968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 104 PID 3028 wrote to memory of 2968 3028 1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe 104 PID 2968 wrote to memory of 1216 2968 csrss.exe 106 PID 2968 wrote to memory of 1216 2968 csrss.exe 106 PID 2968 wrote to memory of 1216 2968 csrss.exe 106 PID 2968 wrote to memory of 1300 2968 csrss.exe 112 PID 2968 wrote to memory of 1300 2968 csrss.exe 112 PID 2968 wrote to memory of 1300 2968 csrss.exe 112 PID 2968 wrote to memory of 404 2968 csrss.exe 114 PID 2968 wrote to memory of 404 2968 csrss.exe 114 PID 2968 wrote to memory of 404 2968 csrss.exe 114 PID 2968 wrote to memory of 4520 2968 csrss.exe 116 PID 2968 wrote to memory of 4520 2968 csrss.exe 116 PID 1944 wrote to memory of 2972 1944 windefender.exe 122 PID 1944 wrote to memory of 2972 1944 windefender.exe 122 PID 1944 wrote to memory of 2972 1944 windefender.exe 122 PID 2972 wrote to memory of 6100 2972 cmd.exe 123 PID 2972 wrote to memory of 6100 2972 cmd.exe 123 PID 2972 wrote to memory of 6100 2972 cmd.exe 123 -
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\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3180
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C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.exe"C:\Users\Admin\AppData\Local\Temp\1383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db.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:3028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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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:1348 -
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:1272
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5968
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5380
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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:2968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1216
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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:2076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:404
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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:4520
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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:5752
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1944 -
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:2972 -
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:6100
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3548
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c09a15a21609513e726dccefbf7e28a8
SHA18a830cb940e9d47278f6097eebf2eaaaa63a5456
SHA2569079404fd609a914c37f14f15a256505bf0462540d7dc94e864211d9953a0acb
SHA512bffe0dc64bdada4a3a5faf4eea0920a4b08fe29069d17eab5fea831711184ac5885d34b24154743b9dd7ae112f6fe4de0f66ba2f332a95717a246f55cee03eb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc69fe90cb790008bf2130ca8fac508b
SHA1f1585e510638dd1cabfdfcf4320089c1d81080b7
SHA25649e27863f82b04e4c8adce34806b47eea0ad85a21cd54ece413c86d38f6c8676
SHA512ebc668ccd9a25e97585dcbe5b2fbf3d22e5072e33a2b1fdc5e63fc5c7e5a63865680e0ddb1982c23d0796f392bb9076b51bfe4cf55cb78591508b6bcf0777e4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5821296e78f3b8f7706ec903e7acfd1e5
SHA16dd6a38de0bb75936d699a3c7975af359cc4c278
SHA2568f4d8186549f99438937ac301ce72515de6a77662d83fd702f107c3472223e73
SHA512e1f288f4af1cc9eea72ce3d48775f0fb2d35030ac9e51ff2d1730956b4c8143330d3e9e3a0ee2d6266d2bc90ff237d434e76df298879c913f52fb1a479513eab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bea13d127e1616f9a88d7173b33324d5
SHA1450e1a03a7413c66f5fd13560a853bcccf6b343e
SHA256c5b2055550742232f9808640f280f75f52b0956396fff20fdc98c0d0a3c36c51
SHA51234074196231b1745784f34ebe9f9c0836314aa780cdfda90bdecbf89c2e3cd2444e69335cb38cf75f69290daab4ce087a44bb7e9f0c8c3e861e50c700eac4daa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57cb24e472a5855c53f48f05345c1c309
SHA1b1313ce021540f6f2d80d19df9dbe1a11238a4c6
SHA25614ebab1471813a91384552745345006d71ed0fedb3afffe119f87692b12d3ddd
SHA51251069420696a790d52e497b8da3fa88764e840ae5eed56a579eb00b8860a2f9e33d596c0578a4b8fab11df18dc65dfba88600fed0690e2df1f730ff409a9e149
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Filesize
4.1MB
MD56e14d1db9ff992aee67deedb2ecd6c0a
SHA145e97da453e466f6a3fc2e50cfdd267f4a3bc39c
SHA2561383f55836f906b8f316a624b17e4811f21b9e88f06c097a369aebac5e2db0db
SHA512e3df7318d301c0041bbad97d516dc901ad29c044e32758771170c3c86f0d21a394a90b012610c78ea6e12e18ab040fc86185051e85770a386c4cc27684d8e3b8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec