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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 05:35
Static task
static1
Behavioral task
behavioral1
Sample
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe
Resource
win10v2004-20240426-en
General
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Target
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe
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Size
4.1MB
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MD5
e8d84c1fe143e493b39d54b3899e5db0
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SHA1
cb32af16679bf878bc6b4e78b999a84cd662511b
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SHA256
24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86
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SHA512
1f3668f31d489f2da13f784da35261efa4f70b429b73d713d04a45bafddbfee86faa4af66110cd273c9fd439f8465452393953dc06c76e496481a065f60fee65
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SSDEEP
98304:UWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YG:UW16ulMesXlnBp/sjruCqmtIOvap
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1008-2-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral2/memory/1008-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1008-54-0x0000000004540000-0x0000000004E2B000-memory.dmp family_glupteba behavioral2/memory/1008-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1008-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/1636-120-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/1636-126-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-204-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-214-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-215-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-217-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-220-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-222-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-223-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-225-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-228-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-230-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-231-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/3120-233-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3396 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3120 csrss.exe 1784 injector.exe 2800 windefender.exe 720 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a9a6-207.dat upx behavioral2/memory/2800-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/720-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2800-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/720-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/720-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/720-226-0x0000000000400000-0x00000000008DF000-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\"" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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 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 -
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 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe File created C:\Windows\rss\csrss.exe 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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 5072 sc.exe -
pid Process 2180 powershell.exe 4248 powershell.exe 4216 powershell.exe 1924 powershell.exe 1992 powershell.exe 1808 powershell.exe 1136 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 4352 schtasks.exe 3400 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-662 = "Cen. Australia Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-262 = "GMT 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\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4248 powershell.exe 4248 powershell.exe 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 4216 powershell.exe 4216 powershell.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 1924 powershell.exe 1924 powershell.exe 1992 powershell.exe 1992 powershell.exe 1808 powershell.exe 1808 powershell.exe 1136 powershell.exe 1136 powershell.exe 2180 powershell.exe 2180 powershell.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 3120 csrss.exe 3120 csrss.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 3120 csrss.exe 3120 csrss.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 3120 csrss.exe 3120 csrss.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe 1784 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Token: SeImpersonatePrivilege 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 1808 powershell.exe Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeSystemEnvironmentPrivilege 3120 csrss.exe Token: SeSecurityPrivilege 5072 sc.exe Token: SeSecurityPrivilege 5072 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1008 wrote to memory of 4248 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 81 PID 1008 wrote to memory of 4248 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 81 PID 1008 wrote to memory of 4248 1008 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 81 PID 1636 wrote to memory of 4216 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 86 PID 1636 wrote to memory of 4216 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 86 PID 1636 wrote to memory of 4216 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 86 PID 1636 wrote to memory of 4052 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 88 PID 1636 wrote to memory of 4052 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 88 PID 4052 wrote to memory of 3396 4052 cmd.exe 90 PID 4052 wrote to memory of 3396 4052 cmd.exe 90 PID 1636 wrote to memory of 1924 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 91 PID 1636 wrote to memory of 1924 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 91 PID 1636 wrote to memory of 1924 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 91 PID 1636 wrote to memory of 1992 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 93 PID 1636 wrote to memory of 1992 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 93 PID 1636 wrote to memory of 1992 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 93 PID 1636 wrote to memory of 3120 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 95 PID 1636 wrote to memory of 3120 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 95 PID 1636 wrote to memory of 3120 1636 24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe 95 PID 3120 wrote to memory of 1808 3120 csrss.exe 96 PID 3120 wrote to memory of 1808 3120 csrss.exe 96 PID 3120 wrote to memory of 1808 3120 csrss.exe 96 PID 3120 wrote to memory of 1136 3120 csrss.exe 101 PID 3120 wrote to memory of 1136 3120 csrss.exe 101 PID 3120 wrote to memory of 1136 3120 csrss.exe 101 PID 3120 wrote to memory of 2180 3120 csrss.exe 104 PID 3120 wrote to memory of 2180 3120 csrss.exe 104 PID 3120 wrote to memory of 2180 3120 csrss.exe 104 PID 3120 wrote to memory of 1784 3120 csrss.exe 106 PID 3120 wrote to memory of 1784 3120 csrss.exe 106 PID 2800 wrote to memory of 4912 2800 windefender.exe 118 PID 2800 wrote to memory of 4912 2800 windefender.exe 118 PID 2800 wrote to memory of 4912 2800 windefender.exe 118 PID 4912 wrote to memory of 5072 4912 cmd.exe 119 PID 4912 wrote to memory of 5072 4912 cmd.exe 119 PID 4912 wrote to memory of 5072 4912 cmd.exe 119 -
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\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.exe"C:\Users\Admin\AppData\Local\Temp\24139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86.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:1636 -
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:4216
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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:4052 -
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:3396
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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:1924
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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:1992
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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:3120 -
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:1808
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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:4352
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2100
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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:1136
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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:2180
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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:1784
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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:3400
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2800 -
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:4912 -
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:5072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:720
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7c85fb2cc3c044c4a4eca7a7b66c11b
SHA14c177cec2d76ef87287802ea1125130ccce608a7
SHA25675547935297a962c744df0e9d5dbf44611e2af3726a870cd6b3851230594f439
SHA51209425048d92f2c70e7f32ae40f57f31a480704ac76dfe5b54dcfaecf48146c0aeb00f1b06ac3b03f1058941510aaa04e9c967d7f6e78edacd4eb68eda123764c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500c63a68eb84c624fae2ef0f0a956575
SHA15e3145c1f3f891632f37eaf04c7516e8abf446fe
SHA256dafeaa044c9d5128d986e249f1075928cf7e3b1bf585603a3f0f20484c8bb1e8
SHA51262a9e2bdc472c633a9bd01069d6dd3e6568b36b2adf80ededbdda8d7801cfd2dd3626dfbefdcd829db573d2734c3b7a122baeaac8e014cf38c0fa2e4b81b3060
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5794bd965cf74d4e2fdfc03b7755e7895
SHA19e239847bfd9dce950670f61223cc4db9f6c6392
SHA256af41e219ccba756a3da106fc0158786252a38e54268138e1eba33053b87f187a
SHA5122135bc959c6242a764941da8bf9272741b149130796cdb5040b15cd38e62c0bc04b147ae7c928b486c1ddceba6c49aff96c71ee44aea42311e5768ef3046c612
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c7fa87d506ce1a5f3836ecb8e1cf845
SHA160df3009876cef9a754de78fa1b232f286efcdd5
SHA2560c1cabd36518a552eff9e29ce376212aeb71df102ea50744aa729fdbb96fc092
SHA512b19889e71de9f039112f517603d9864ac40146e5c931680737f3cb38de99dfc9b204c4e3e238bcb21209f765b302187b658ea7400a976d234532dc81fb62f435
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572f32f001f73cbb82d01eead063206a2
SHA1c96638205de3a84e1fc1a8b3dfa8352b1791ce6f
SHA25674f38954bac10357345ceea513e04dab2dd7e6d7c5c0e139204d5d1f6e6e2a36
SHA51212248faa10e47dee16567ef46b7a6b6fa9ef94e78c9e79aad0646dde1d099dc3b8c099edbd1918893571e203d4609afddb0ca13adff507ddb67d2d37e15a7ad1
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Filesize
4.1MB
MD5e8d84c1fe143e493b39d54b3899e5db0
SHA1cb32af16679bf878bc6b4e78b999a84cd662511b
SHA25624139e8ca93fc01f2e2a1e6682c1ff4e919ea430d988ccff0a20daf485b3ba86
SHA5121f3668f31d489f2da13f784da35261efa4f70b429b73d713d04a45bafddbfee86faa4af66110cd273c9fd439f8465452393953dc06c76e496481a065f60fee65
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec