Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 19 IoCs
resource yara_rule behavioral1/memory/1276-2-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1276-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1276-6-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1276-58-0x0000000004B60000-0x000000000544B000-memory.dmp family_glupteba behavioral1/memory/1276-59-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1276-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3604-82-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-163-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4944-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1360 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4944 csrss.exe 2236 injector.exe 3844 windefender.exe 3676 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233d2-225.dat upx behavioral1/memory/3844-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3844-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3676-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe File created C:\Windows\rss\csrss.exe 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4468 sc.exe -
pid Process 4916 powershell.exe 1088 powershell.exe 4320 powershell.exe 3780 powershell.exe 3884 powershell.exe 2784 powershell.exe 2752 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 3040 schtasks.exe 1708 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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.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\@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,-1891 = "Russia TZ 3 Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4916 powershell.exe 4916 powershell.exe 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 1088 powershell.exe 1088 powershell.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 4320 powershell.exe 4320 powershell.exe 3780 powershell.exe 3780 powershell.exe 3884 powershell.exe 3884 powershell.exe 2784 powershell.exe 2784 powershell.exe 2752 powershell.exe 2752 powershell.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 4944 csrss.exe 2236 injector.exe 4944 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 4944 csrss.exe 4944 csrss.exe 2236 injector.exe 2236 injector.exe 4944 csrss.exe 4944 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Token: SeImpersonatePrivilege 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 4320 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeSystemEnvironmentPrivilege 4944 csrss.exe Token: SeSecurityPrivilege 4468 sc.exe Token: SeSecurityPrivilege 4468 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1276 wrote to memory of 4916 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 91 PID 1276 wrote to memory of 4916 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 91 PID 1276 wrote to memory of 4916 1276 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 91 PID 3604 wrote to memory of 1088 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3604 wrote to memory of 1088 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3604 wrote to memory of 1088 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 96 PID 3604 wrote to memory of 3200 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 99 PID 3604 wrote to memory of 3200 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 99 PID 3200 wrote to memory of 1360 3200 cmd.exe 101 PID 3200 wrote to memory of 1360 3200 cmd.exe 101 PID 3604 wrote to memory of 4320 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 102 PID 3604 wrote to memory of 4320 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 102 PID 3604 wrote to memory of 4320 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 102 PID 3604 wrote to memory of 3780 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 105 PID 3604 wrote to memory of 3780 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 105 PID 3604 wrote to memory of 3780 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 105 PID 3604 wrote to memory of 4944 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 107 PID 3604 wrote to memory of 4944 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 107 PID 3604 wrote to memory of 4944 3604 1917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3.exe 107 PID 4944 wrote to memory of 3884 4944 csrss.exe 108 PID 4944 wrote to memory of 3884 4944 csrss.exe 108 PID 4944 wrote to memory of 3884 4944 csrss.exe 108 PID 4944 wrote to memory of 2784 4944 csrss.exe 114 PID 4944 wrote to memory of 2784 4944 csrss.exe 114 PID 4944 wrote to memory of 2784 4944 csrss.exe 114 PID 4944 wrote to memory of 2752 4944 csrss.exe 116 PID 4944 wrote to memory of 2752 4944 csrss.exe 116 PID 4944 wrote to memory of 2752 4944 csrss.exe 116 PID 4944 wrote to memory of 2236 4944 csrss.exe 118 PID 4944 wrote to memory of 2236 4944 csrss.exe 118 PID 3844 wrote to memory of 3316 3844 windefender.exe 124 PID 3844 wrote to memory of 3316 3844 windefender.exe 124 PID 3844 wrote to memory of 3316 3844 windefender.exe 124 PID 3316 wrote to memory of 4468 3316 cmd.exe 125 PID 3316 wrote to memory of 4468 3316 cmd.exe 125 PID 3316 wrote to memory of 4468 3316 cmd.exe 125 -
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:1276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4916
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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:3604 -
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:1088
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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:3200 -
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:1360
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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:4320
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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:3780
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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:4944 -
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:3884
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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:3040
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4336
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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:2784
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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:2752
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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:2236
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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:1708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3844 -
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:3316 -
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:4468
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3676
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
MD50ae4ec98fb9d42ee562aa52478ce2b83
SHA1ce69233e10b71e0382a1b1e2deb0f483b1dc7e51
SHA2566c57ea1da3111b14128a61d767aeb8dcc9bda0cce6e938768c95d85c336dff2c
SHA512cff04b595081f49b27d20e266444739ff1facccc30039bd6c65d2e70809044ac473d2f464993e7027fd7c92f980187640ac66e84466ad87aec32c6299c1086a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c60e706e2b69c4340156318c341ee35d
SHA14c6cc04b13f5552f06cedab118c1f4b27224507a
SHA256981d5db4f8a205a57f332e75f12b5e1d7127736b3edea74cd6f337e80da64d75
SHA512916e6a324d820449f5f50e9b6e137255c93548077b3038803440a981d59d0334a9bcdd295fdb8a6439668ba621fea3b97957c442a738d67ea65969733c721db0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9a958475ec40213ac802b11aad08b1c
SHA17895021c920f0bdfbcff75a679bc781095d51ca8
SHA25694a324d687b5b62b5f245401ed46d2f5596c26cb078f515e51f63460211f1221
SHA5120514ba2108567c1f47feb80f1e96d391bb0659adfe3a375a1dd490494c3fc16908e60912a94910f1c0517f0aaed670ad05774543eba8f449603de39f1dac2ac5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d2c56efd59834788e63871dc107597d
SHA1f6da8e71a775c079963db058b17b766735c0198c
SHA256e8857ac9d72a6ecb5d5000ab66942b9663beb3a9335b25ede8491ec50d30a16f
SHA51214f6451be67c764134aff3408bd1b57ac1e0a8fbd0c3972e6e61b75201bdc6fa3f5d2066a6d848f7df264f8ebea3a3e8b1e09f0a4f9b63238594174788904889
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2425a8c53cce2072913a1bfd3b13eab
SHA16e61243c791832d91adbf0084a00fbdca7e61df7
SHA256bc5b1d0c1707e11a10bacd51dcfb9388927309049e23ad046d731db56c0fa8c8
SHA5124e51d0e1f0f53dc2aa9fffbdeb4b4723e95103b4079eee653fbbbaa1d41fdd07a1ce6af2105c116bcde43261f5adb5ae82aa8eb94e7b8400c82cfd4f0b467476
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Filesize
4.1MB
MD5a16a201242055d3ac517261dc65da1e5
SHA158e2775530d3c78349cfc1bd8710010eb83f1ef2
SHA2561917ed8ef0b080f3f8969bacfcd347e8ec3693d3f01545444037ec03a8d1bff3
SHA512221b244f995b1136f58563b2924bbc054516dd90d5739221a9eb67ede4a97f3775c4a6670303ff25ca2dff244d76886166e13bf2508ef4aa3f4595fbaf6eaea0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec