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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
03/05/2024, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe
Resource
win10v2004-20240426-en
General
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Target
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe
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Size
4.2MB
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MD5
a3abd7d6c12b50dc0b3da92c374ac2a1
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SHA1
4ed4115e5bbcc9f6c7619df4e495a0109d2a11dd
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SHA256
a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5
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SHA512
b4b3ef3e34adad1995156be6a46d2d9ccc1f2971583a8c6731efdafa1951e324c197edf245192a18da37219a35dcf98895f0abbbced7212bbdacf4184645bb51
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SSDEEP
98304:Jzx5x3x4nJzsLqetuEHbxn4+yZ91ZAp+QUVxzinq3Pl+Ib:JV5V+JsbtuCNu31ZAp+Q4xWnq3P4c
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3440-2-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/3440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3440-98-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/3440-96-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3440-171-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2040-170-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-199-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-212-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-215-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-219-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-224-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-228-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-231-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-235-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-240-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-244-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-247-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-251-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3736-256-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3736 csrss.exe 2016 injector.exe 3408 windefender.exe 4672 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa05-203.dat upx behavioral2/memory/3408-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4672-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3408-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4672-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4672-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 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 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3020 sc.exe -
pid Process 1864 powershell.exe 4956 powershell.exe 4760 powershell.exe 3236 powershell.exe 1660 powershell.exe 4924 powershell.exe 2216 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 2044 schtasks.exe 3568 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1660 powershell.exe 1660 powershell.exe 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 4924 powershell.exe 4924 powershell.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 2216 powershell.exe 2216 powershell.exe 1864 powershell.exe 1864 powershell.exe 4956 powershell.exe 4956 powershell.exe 4760 powershell.exe 4760 powershell.exe 3236 powershell.exe 3236 powershell.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 3736 csrss.exe 3736 csrss.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 3736 csrss.exe 3736 csrss.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 3736 csrss.exe 3736 csrss.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe 2016 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Token: SeImpersonatePrivilege 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 1864 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 4760 powershell.exe Token: SeDebugPrivilege 3236 powershell.exe Token: SeSystemEnvironmentPrivilege 3736 csrss.exe Token: SeSecurityPrivilege 3020 sc.exe Token: SeSecurityPrivilege 3020 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3440 wrote to memory of 1660 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 81 PID 3440 wrote to memory of 1660 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 81 PID 3440 wrote to memory of 1660 3440 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 81 PID 2040 wrote to memory of 4924 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 87 PID 2040 wrote to memory of 4924 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 87 PID 2040 wrote to memory of 4924 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 87 PID 2040 wrote to memory of 1256 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 89 PID 2040 wrote to memory of 1256 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 89 PID 1256 wrote to memory of 1768 1256 cmd.exe 91 PID 1256 wrote to memory of 1768 1256 cmd.exe 91 PID 2040 wrote to memory of 2216 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 2040 wrote to memory of 2216 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 2040 wrote to memory of 2216 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 92 PID 2040 wrote to memory of 1864 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 94 PID 2040 wrote to memory of 1864 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 94 PID 2040 wrote to memory of 1864 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 94 PID 2040 wrote to memory of 3736 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 96 PID 2040 wrote to memory of 3736 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 96 PID 2040 wrote to memory of 3736 2040 a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe 96 PID 3736 wrote to memory of 4956 3736 csrss.exe 97 PID 3736 wrote to memory of 4956 3736 csrss.exe 97 PID 3736 wrote to memory of 4956 3736 csrss.exe 97 PID 3736 wrote to memory of 4760 3736 csrss.exe 102 PID 3736 wrote to memory of 4760 3736 csrss.exe 102 PID 3736 wrote to memory of 4760 3736 csrss.exe 102 PID 3736 wrote to memory of 3236 3736 csrss.exe 105 PID 3736 wrote to memory of 3236 3736 csrss.exe 105 PID 3736 wrote to memory of 3236 3736 csrss.exe 105 PID 3736 wrote to memory of 2016 3736 csrss.exe 107 PID 3736 wrote to memory of 2016 3736 csrss.exe 107 PID 3408 wrote to memory of 1944 3408 windefender.exe 113 PID 3408 wrote to memory of 1944 3408 windefender.exe 113 PID 3408 wrote to memory of 1944 3408 windefender.exe 113 PID 1944 wrote to memory of 3020 1944 cmd.exe 114 PID 1944 wrote to memory of 3020 1944 cmd.exe 114 PID 1944 wrote to memory of 3020 1944 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\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.exe"C:\Users\Admin\AppData\Local\Temp\a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5.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:2040 -
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:4924
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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:1256 -
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:1768
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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:2216
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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:1864
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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:3736 -
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:4956
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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:2044
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3148
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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:4760
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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:3236
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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:2016
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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:3568
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3408 -
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:1944 -
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:3020
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4672
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5207c427f00bf63c93426904c375d695e
SHA175a894107d2d274d898fcb9f88a772c39cdc77e4
SHA2569ad2cbebabf7f3584bdde0354247ff7eff39cf599dde6ca1c7a5c5e6f4d80a7c
SHA512f8d665f1fc0fa9f80992c1454094698c84fd816c465882dabc08dc25b52e7f753933b0b664de2a9b3a4069e2e88a14e1be77e6be689ead233d2cae4c627bb15b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a42eda045734f69f0383d09641a3a9c
SHA1084d8a6abfb6237125a3c2c7fa769e88513b1ac7
SHA2569cd7ef3e88395eeb17c5420a80bdb1f5e62931e0622bca59a53d38ec8dec9f7e
SHA5125fb27f021afdcd5d38e3e3de8801dd803a581badae65a136969155d81d6a27c4fbed186d1499c3f8d0382fd760fad2af69c640177e099f9ede8c098fc16f945f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5718f49a0ada2a85c7242c90466d73c41
SHA14876374d20e2bf4b0371aa2cad1023c830c289f9
SHA2568152b5a93ef0f2385a151c1773dd48aa4bcacebf8dea1ab680e4c3800ec22092
SHA512d47863bec99d792c6c96c998770cb9fa081b4bd5556e0be8772580be221bb9bb155e3324d3188f1beaa357f28277f65c0b362b97d9f02213ba33909c5cb1fb81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5489451bfb71ee50817416d85ee9cf7ca
SHA15dfa88e6033a84c6a4995b59a8e73ba0786b66b8
SHA2561ec94e452d657e24a5ecac7bd899081efbfc9fbd229833c2d557fce03bef8714
SHA512497415f4a16d02f7b099b597ea02aeca4fe19c0fcfa2de8174d0360c5d1bf42e00d1c368be140540cb755d1f4291acfce6ff4a50ed2b01fec3d7a4849b5828b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d41f6a4d6e72c2542e178c153265fac
SHA1f8d76119ef8a15503c4084b4ae4d7bb2f84ddcf7
SHA2561ad574fa3f4a2e960fc678967437db0b95aafad9d91d351fa080340d7176d383
SHA512798191a32feada5dbd9beaf7e24ed61d006001f05e48d6d4f2145f163ce3f97c8903ce50522a88989211a263577508983a66979adb3d242a1babd42037d32f06
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Filesize
4.2MB
MD5a3abd7d6c12b50dc0b3da92c374ac2a1
SHA14ed4115e5bbcc9f6c7619df4e495a0109d2a11dd
SHA256a07e4733f49642224540cdb930205b1e2be05ca808bc5d37ad6a08f2e18242c5
SHA512b4b3ef3e34adad1995156be6a46d2d9ccc1f2971583a8c6731efdafa1951e324c197edf245192a18da37219a35dcf98895f0abbbced7212bbdacf4184645bb51
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec