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Analysis
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max time kernel
150s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 23:44
Static task
static1
Behavioral task
behavioral1
Sample
1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe
Resource
win10v2004-20240508-en
General
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Target
1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe
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Size
4.1MB
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MD5
a16a201242055d3ac517261dc65da1e5
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SHA1
58e2775530d3c78349cfc1bd8710010eb83f1ef2
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SHA256
1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3
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SHA512
221b244f995b1136f58563b2924bbc054516dd90d5739221a9eb67ede4a97f3775c4a6670303ff25ca2dff244d76886166e13bf2508ef4aa3f4595fbaf6eaea0
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SSDEEP
98304:fsj80k8u7e4te7QNzi5j0edbbHwu+w5lmM0XQn2p:fg9u7eueIzil0SbrHmM0xp
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1388-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/1388-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1388-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1388-54-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/1388-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1388-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3832-77-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3832-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-203-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-213-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4884-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2896 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4884 csrss.exe 4272 injector.exe 5036 windefender.exe 3940 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa27-207.dat upx behavioral2/memory/5036-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5036-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3940-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3940-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.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 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 -
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 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe File created C:\Windows\rss\csrss.exe 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.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 4948 sc.exe -
pid Process 1704 powershell.exe 4560 powershell.exe 1624 powershell.exe 2192 powershell.exe 2916 powershell.exe 4724 powershell.exe 3368 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 2448 schtasks.exe 1644 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-842 = "Argentina Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.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,-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,-1831 = "Russia TZ 2 Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\IntranetName = "1" 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.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" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2916 powershell.exe 2916 powershell.exe 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 4724 powershell.exe 4724 powershell.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3368 powershell.exe 3368 powershell.exe 1704 powershell.exe 1704 powershell.exe 4560 powershell.exe 4560 powershell.exe 1624 powershell.exe 1624 powershell.exe 2192 powershell.exe 2192 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4884 csrss.exe 4884 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4884 csrss.exe 4884 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4884 csrss.exe 4884 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Token: SeImpersonatePrivilege 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 4560 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeSystemEnvironmentPrivilege 4884 csrss.exe Token: SeSecurityPrivilege 4948 sc.exe Token: SeSecurityPrivilege 4948 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1388 wrote to memory of 2916 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 84 PID 1388 wrote to memory of 2916 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 84 PID 1388 wrote to memory of 2916 1388 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 84 PID 3832 wrote to memory of 4724 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 89 PID 3832 wrote to memory of 4724 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 89 PID 3832 wrote to memory of 4724 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 89 PID 3832 wrote to memory of 3736 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 91 PID 3832 wrote to memory of 3736 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 91 PID 3736 wrote to memory of 2896 3736 cmd.exe 93 PID 3736 wrote to memory of 2896 3736 cmd.exe 93 PID 3832 wrote to memory of 3368 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 94 PID 3832 wrote to memory of 3368 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 94 PID 3832 wrote to memory of 3368 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 94 PID 3832 wrote to memory of 1704 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3832 wrote to memory of 1704 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3832 wrote to memory of 1704 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3832 wrote to memory of 4884 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 98 PID 3832 wrote to memory of 4884 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 98 PID 3832 wrote to memory of 4884 3832 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 98 PID 4884 wrote to memory of 4560 4884 csrss.exe 99 PID 4884 wrote to memory of 4560 4884 csrss.exe 99 PID 4884 wrote to memory of 4560 4884 csrss.exe 99 PID 4884 wrote to memory of 1624 4884 csrss.exe 104 PID 4884 wrote to memory of 1624 4884 csrss.exe 104 PID 4884 wrote to memory of 1624 4884 csrss.exe 104 PID 4884 wrote to memory of 2192 4884 csrss.exe 107 PID 4884 wrote to memory of 2192 4884 csrss.exe 107 PID 4884 wrote to memory of 2192 4884 csrss.exe 107 PID 4884 wrote to memory of 4272 4884 csrss.exe 109 PID 4884 wrote to memory of 4272 4884 csrss.exe 109 PID 5036 wrote to memory of 4944 5036 windefender.exe 115 PID 5036 wrote to memory of 4944 5036 windefender.exe 115 PID 5036 wrote to memory of 4944 5036 windefender.exe 115 PID 4944 wrote to memory of 4948 4944 cmd.exe 116 PID 4944 wrote to memory of 4948 4944 cmd.exe 116 PID 4944 wrote to memory of 4948 4944 cmd.exe 116 -
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\1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe"C:\Users\Admin\AppData\Local\Temp\1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916
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C:\Users\Admin\AppData\Local\Temp\1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe"C:\Users\Admin\AppData\Local\Temp\1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.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:3832 -
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:4724
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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:3736 -
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:2896
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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:3368
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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:1704
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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:4884 -
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:4560
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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:2448
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4572
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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:1624
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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:2192
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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:4272
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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:1644
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5036 -
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:4944 -
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:4948
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3940
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
MD540d4c094b707e9e6896e25388f504395
SHA1a6889ff739cddefd2a5706593cbb552752fad9f1
SHA25632b8c5500c7d27d880bceec1a44b5074c3103bc53e800d8ffba1dd3a0205b3d0
SHA51257ef2bd3f6084621aff6f18bcc10c29affac48fba31068edf20d06992754c4594403cfcbd6647c1fdd27e1e7a34740b787fa5efa2b685f7b9ff5a8ef809ff188
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5412365501b981ed41411db26bfa569be
SHA17cbff04c2394047f465d7fd647da5824f5d9b05a
SHA2569b73ddf20e176d6c886d6a4532428b4bf66de6674fd9c88b5734897d725b55a0
SHA512954c6bda467cb0d78364ed9563e263e65cbd04a2a136765584102a2fddb75b128133cd2e0ba80d6219476b109cd0fef115cbb771e0933733e7a80d498cd76058
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55855f31a38bbfed01e5723277a853973
SHA1769743c8995cf0cb0d54e0bdcd52c25f7a611500
SHA2564829d3a799cf0749ca28b722b365bdd0d283b9dcfa5d337205ff619cc53f998c
SHA5123aab9204ec5c786bdb53a5a436914b90813f301bf4b4a96f3d3e04e7d0a815fe237a7d583f720e525f2b3359442ee544a4c4edf26fd73c9ded710bc10c9cc92f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eaf1fb5aea46cab83158333bb5f01269
SHA1ac72a6dd5ec907f29fce8ace2300a70a42cdc5e2
SHA2564e0ee582d7e9b978dd2928cfd3eb1c0f915ffa8c79e919e5ee814b7dd213adf3
SHA512767a43bfa82fe09da1e95988e4e81344fd061cd2d2c7a9498efeba85cba23122628496f5b3686b1c85a898bbbf80462d7034b7a86f0531477b5988fb643d67e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad7414bf1bc70390f67e2cc0b30a3a29
SHA14cf5e79e4bc12d85c46d53340d446f6c0862dc57
SHA256a3bb3e5dc6b8ce0a1e4a05b27d4bc64f5e7d037bdfd42e7fdc536a95eaa1a90c
SHA5127ae29ff399643fa8d2987579b9e3238f2b689fbc987c6e1c2ee7799686c36051ea5f923905a070ee096ce316014c650a1c7f45bdc1621b101c581a8751f63ed9
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Filesize
4.1MB
MD5a16a201242055d3ac517261dc65da1e5
SHA158e2775530d3c78349cfc1bd8710010eb83f1ef2
SHA2561917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3
SHA512221b244f995b1136f58563b2924bbc054516dd90d5739221a9eb67ede4a97f3775c4a6670303ff25ca2dff244d76886166e13bf2508ef4aa3f4595fbaf6eaea0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec