Analysis
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max time kernel
145s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
24-04-2024 23:24
Static task
static1
Behavioral task
behavioral1
Sample
65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe
Resource
win10v2004-20240412-en
General
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Target
65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe
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Size
4.2MB
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MD5
abed5640981cac0806c14082ab125a85
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SHA1
134bae3d2d1e82d793f07abd8600cb524b13d001
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SHA256
65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86
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SHA512
26b9d71d8df0d675479128e2f64ba05e9bf34ea20ec6da0736692555677c7243f00b4f453370234b1a77382081833393a29e7f3916840a5b5c1654dbc82c20e6
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SSDEEP
98304:2evzfZDFQyVnMG9h3iRv7wTG+HYT3M4TF:RxJQUMGk0DHcF
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2208-2-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/2208-85-0x0000000006530000-0x0000000006E1B000-memory.dmp family_glupteba behavioral2/memory/2208-145-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1948-211-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-232-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-243-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-247-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-251-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-255-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-259-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-263-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-265-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-270-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-274-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-278-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-282-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral2/memory/1528-286-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2788 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1528 csrss.exe 904 injector.exe 3180 windefender.exe 3620 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a99f-236.dat upx behavioral2/memory/3180-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3620-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3620-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe File created C:\Windows\rss\csrss.exe 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.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 3188 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4316 schtasks.exe 3636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2612 powershell.exe 2612 powershell.exe 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3136 powershell.exe 3136 powershell.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 1348 powershell.exe 1348 powershell.exe 1100 powershell.exe 1100 powershell.exe 684 powershell.exe 684 powershell.exe 568 powershell.exe 568 powershell.exe 4476 powershell.exe 4476 powershell.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 1528 csrss.exe 1528 csrss.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 1528 csrss.exe 1528 csrss.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 1528 csrss.exe 1528 csrss.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe 904 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2612 powershell.exe Token: SeDebugPrivilege 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Token: SeImpersonatePrivilege 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 1348 powershell.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeSystemEnvironmentPrivilege 1528 csrss.exe Token: SeSecurityPrivilege 3188 sc.exe Token: SeSecurityPrivilege 3188 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2612 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 81 PID 2208 wrote to memory of 2612 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 81 PID 2208 wrote to memory of 2612 2208 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 81 PID 1948 wrote to memory of 3136 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 87 PID 1948 wrote to memory of 3136 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 87 PID 1948 wrote to memory of 3136 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 87 PID 1948 wrote to memory of 904 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 107 PID 1948 wrote to memory of 904 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 107 PID 904 wrote to memory of 2788 904 cmd.exe 91 PID 904 wrote to memory of 2788 904 cmd.exe 91 PID 1948 wrote to memory of 1348 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 92 PID 1948 wrote to memory of 1348 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 92 PID 1948 wrote to memory of 1348 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 92 PID 1948 wrote to memory of 1100 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 94 PID 1948 wrote to memory of 1100 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 94 PID 1948 wrote to memory of 1100 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 94 PID 1948 wrote to memory of 1528 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 96 PID 1948 wrote to memory of 1528 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 96 PID 1948 wrote to memory of 1528 1948 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 96 PID 1528 wrote to memory of 684 1528 csrss.exe 97 PID 1528 wrote to memory of 684 1528 csrss.exe 97 PID 1528 wrote to memory of 684 1528 csrss.exe 97 PID 1528 wrote to memory of 568 1528 csrss.exe 103 PID 1528 wrote to memory of 568 1528 csrss.exe 103 PID 1528 wrote to memory of 568 1528 csrss.exe 103 PID 1528 wrote to memory of 4476 1528 csrss.exe 105 PID 1528 wrote to memory of 4476 1528 csrss.exe 105 PID 1528 wrote to memory of 4476 1528 csrss.exe 105 PID 1528 wrote to memory of 904 1528 csrss.exe 107 PID 1528 wrote to memory of 904 1528 csrss.exe 107 PID 3180 wrote to memory of 784 3180 windefender.exe 113 PID 3180 wrote to memory of 784 3180 windefender.exe 113 PID 3180 wrote to memory of 784 3180 windefender.exe 113 PID 784 wrote to memory of 3188 784 cmd.exe 114 PID 784 wrote to memory of 3188 784 cmd.exe 114 PID 784 wrote to memory of 3188 784 cmd.exe 114 -
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\65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe"C:\Users\Admin\AppData\Local\Temp\65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612
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C:\Users\Admin\AppData\Local\Temp\65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe"C:\Users\Admin\AppData\Local\Temp\65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.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:1948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3136
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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:904 -
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:2788
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1348
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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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:1528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:684
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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:4316
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3864
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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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:904
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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:3636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3180 -
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:784 -
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:3188
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3620
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
MD50442f155dd458a8acf225eb74571ab40
SHA1315cae4cd4246ea4cf3c9afd5ae63bf1dcca72c3
SHA256be3fc5fe614b1aa4a951ed8909cf7d971e5d4797b9ec8dc752ac7ec5e0deec6f
SHA512d5e4d1c0660097740c539aeda3b3f25453eb46f02b9272366a8107544e5a51b2b7ece4aecfbc2cb2434e4fd7a94d25922e8d0a1f82caa3531be8363c9f39724f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59deae6d712512c2ea361a55bfb726735
SHA162d2e26aa1d8bbb633b982ca61adb85fae74a953
SHA25656dc5d59bf1b7ed42158d9654f4f94829d80b4c01cb44a9615328992a2580c4f
SHA512eca5dd0b1b16920b162ef7b2552b1708228ae0448aebc750b679bac87a69d07e2cffb8379dc9a0f20327ed4a6bf5db7df1b4abb8a1c6e35161fe672deb4353f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541a1968ac6f831a29d8d225ef202f8fa
SHA187e74a272ccc4c270ea5fcf465c58f308f9395eb
SHA2567504ae03cb026e64b01e5403fe2cb0eefe99760b39fe08876742cd57ddc7173f
SHA5125c22495abdc2501837a46ad3de704bd08722f062e0ecbfa379a92168abb658227270dcfa1d94345ea96d2a61d6514f7afb8196a0e97b6c92b5a015e3e683b2fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54ed2aab95f4660296efd084cbcb66db7
SHA17e21de9863739b4632df423bf8466c5730d65e66
SHA2563fff3db8250a2eddbab27c99e9d480a5bc11d2fad861a8ee20ffdfcdf7acdf9d
SHA51215e919b7838ac6787acd99a1a96074754620f915df46b32f7d86af05be3002c50ad63449ec1c062ee659b716f4488f1e14956bbf2c8868fa3e5d8b1e1908247e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b246ec4d7f31c4429517856d1f8871b
SHA1756bff139e0af5fe504430bdd4b5f1199aa8b3e6
SHA256a80124dcd255806f742bff1dd0d78fa0071c490c349e0a69ab362c8cbfd696b8
SHA512d09a4bda61c6067895cdb1eb7db1ad30c028f13923a00b3f1d0c404c4cd995fddfa66ecbede61e6f9a87ea5951aed7c00b0e20cb8bbd1091fc7a38aa139533ec
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Filesize
4.2MB
MD5abed5640981cac0806c14082ab125a85
SHA1134bae3d2d1e82d793f07abd8600cb524b13d001
SHA25665ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86
SHA51226b9d71d8df0d675479128e2f64ba05e9bf34ea20ec6da0736692555677c7243f00b4f453370234b1a77382081833393a29e7f3916840a5b5c1654dbc82c20e6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec