Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3844-2-0x0000000006510000-0x0000000006DFB000-memory.dmp family_glupteba behavioral1/memory/3844-69-0x0000000006510000-0x0000000006DFB000-memory.dmp family_glupteba behavioral1/memory/3844-152-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/3068-217-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-249-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-260-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-264-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-268-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-272-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-276-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-280-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-284-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-288-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-292-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-296-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-300-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba behavioral1/memory/2612-304-0x0000000000400000-0x0000000004418000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4760 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2612 csrss.exe 4196 injector.exe 1548 windefender.exe 4868 windefender.exe -
resource yara_rule behavioral1/files/0x0012000000023444-253.dat upx behavioral1/memory/1548-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 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 4112 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 4120 schtasks.exe 4048 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight 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,-671 = "AUS Eastern Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\26\52C64B7E\@tzres.dll,-572 = "China Standard 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\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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,-242 = "Samoa Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 116 powershell.exe 116 powershell.exe 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 2840 powershell.exe 2840 powershell.exe 2840 powershell.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 4832 powershell.exe 4832 powershell.exe 4832 powershell.exe 4624 powershell.exe 4624 powershell.exe 4624 powershell.exe 2148 powershell.exe 2148 powershell.exe 2148 powershell.exe 4588 powershell.exe 4588 powershell.exe 4588 powershell.exe 1492 powershell.exe 1492 powershell.exe 1492 powershell.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2612 csrss.exe 2612 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2612 csrss.exe 2612 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 2612 csrss.exe 2612 csrss.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe 4196 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 116 powershell.exe Token: SeDebugPrivilege 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Token: SeImpersonatePrivilege 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeSystemEnvironmentPrivilege 2612 csrss.exe Token: SeSecurityPrivilege 4112 sc.exe Token: SeSecurityPrivilege 4112 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3844 wrote to memory of 116 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 90 PID 3844 wrote to memory of 116 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 90 PID 3844 wrote to memory of 116 3844 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 90 PID 3068 wrote to memory of 2840 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 97 PID 3068 wrote to memory of 2840 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 97 PID 3068 wrote to memory of 2840 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 97 PID 3068 wrote to memory of 556 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 100 PID 3068 wrote to memory of 556 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 100 PID 556 wrote to memory of 4760 556 cmd.exe 102 PID 556 wrote to memory of 4760 556 cmd.exe 102 PID 3068 wrote to memory of 4832 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 105 PID 3068 wrote to memory of 4832 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 105 PID 3068 wrote to memory of 4832 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 105 PID 3068 wrote to memory of 4624 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 109 PID 3068 wrote to memory of 4624 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 109 PID 3068 wrote to memory of 4624 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 109 PID 3068 wrote to memory of 2612 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 111 PID 3068 wrote to memory of 2612 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 111 PID 3068 wrote to memory of 2612 3068 65ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86.exe 111 PID 2612 wrote to memory of 2148 2612 csrss.exe 112 PID 2612 wrote to memory of 2148 2612 csrss.exe 112 PID 2612 wrote to memory of 2148 2612 csrss.exe 112 PID 2612 wrote to memory of 4588 2612 csrss.exe 119 PID 2612 wrote to memory of 4588 2612 csrss.exe 119 PID 2612 wrote to memory of 4588 2612 csrss.exe 119 PID 2612 wrote to memory of 1492 2612 csrss.exe 121 PID 2612 wrote to memory of 1492 2612 csrss.exe 121 PID 2612 wrote to memory of 1492 2612 csrss.exe 121 PID 2612 wrote to memory of 4196 2612 csrss.exe 124 PID 2612 wrote to memory of 4196 2612 csrss.exe 124 PID 1548 wrote to memory of 4772 1548 windefender.exe 130 PID 1548 wrote to memory of 4772 1548 windefender.exe 130 PID 1548 wrote to memory of 4772 1548 windefender.exe 130 PID 4772 wrote to memory of 4112 4772 cmd.exe 138 PID 4772 wrote to memory of 4112 4772 cmd.exe 138 PID 4772 wrote to memory of 4112 4772 cmd.exe 138 -
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:3844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:116
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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:3068 -
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:2840
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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:556 -
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:4760
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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:4832
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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:4624
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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:2612 -
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:2148
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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:4120
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1684
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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:4588
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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:1492
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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:4196
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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:4048
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1548 -
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:4772 -
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:4112
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4868
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:4112
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
MD5be8c0c3d9468e912c3786529a1b5b526
SHA1c84f7ea0924c5e3a8503e0ae56baa0a36308371d
SHA256465067cebd2ba37c6d5bfa9fad2528304a285980edcc2b0611bd93554307fb19
SHA512494292d4eb9aa21ab27c4d7f1746607ba2178e4ba3b4e969018592851c72305277ae7f6228f01457da2427b9fc09c0db8df12dbca8f7df82bc36757628177767
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59216d60378e87684d477850088b52c02
SHA1022696b076148a43076824989268648832c5c17e
SHA256d44c63f701b58883f2a3cdf36cace2e2cdf86c921d550a32d093e016e442e914
SHA512d5d68f3e4f9985938041089baa1bf09d9259b4a0fefd771d753eb6dbd6d48bb0ca03b8772ac00c7e8d6eaabf2c15b2da7ea8d39c18d8976e73bd2e68843796a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a62c0e48553887d6afd8a34008961da
SHA175716b77aa1a4b6f454585096ed5d726e5cb765b
SHA2561ec124d64133a9b3488b3f90bc392b21bba7fef95109b068e4450c633a9ce3f1
SHA512823ebc12d161e6c8755efdfc14cecaa7def70b500c40b1ce0c993fff11ba66de67e895564907233e885718aaf29272c78aeaa21f6ebe406c58e508bbc59a41ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5729e949bfe76dc0e2a86cbbc9da4987c
SHA10c9198eb0e1c1ac3e0c9b33701f5b455239602d2
SHA2569c1a8283d11edb0259fc339f4edfff31828258d15cb959d002958abbcf40be43
SHA5123524c80f227db462e6d898455058de067f33329353593ff54c6e4d1f491eb95a360f203cd09a39f21db29d4d9c12409bf6fe36c238fda486f47deb88bbee6ba9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4997b668b294fd3950f6671ec14902f
SHA1396fc476df7792dbd610675aaa7760e9603c5ab0
SHA256ea4354ae40b3ca5b2ef33f14b0fc95293fac64d08660d27d5c4fcb013631fb80
SHA51241a0748983363bb487c9002c8bf20f13888d2327178c32b306cd22108455d156b94a8fcddcc5416ed042d7dc8bffc5a51f8beecb7dd5f9bc39a34a7c7920c095
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Filesize
4.2MB
MD5abed5640981cac0806c14082ab125a85
SHA1134bae3d2d1e82d793f07abd8600cb524b13d001
SHA25665ea3681d126c966288d7aa04cadd2b0d95fb433dbc702ba85698de961f10e86
SHA51226b9d71d8df0d675479128e2f64ba05e9bf34ea20ec6da0736692555677c7243f00b4f453370234b1a77382081833393a29e7f3916840a5b5c1654dbc82c20e6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec