Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe
Resource
win10v2004-20240508-en
General
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Target
e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe
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Size
4.1MB
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MD5
34669f5e7048bd0e48ddde128d8b41c1
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SHA1
48e22b58a58683745ed1c8bcfd24170ac771a41a
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SHA256
e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37
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SHA512
a8f505bc7147024a2a2a6228e64e46db2a4ec1d44cd1a28f942a65e5c486970e97b91c412ebb586df01698c1b4ca16177358d151f2e316cacc50387b0ed4f6b9
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SSDEEP
98304:shY2qRRjR1paGoDMO/b2fpl9vUYBzPUd5cvaqxgKnFtia5:yYlRLXY4O+pXvrLaqWuc4
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2392-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/2392-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2392-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2392-57-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral1/memory/2392-58-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2392-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3628-81-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3628-138-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-223-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4296-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4956 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4296 csrss.exe 2516 injector.exe 3156 windefender.exe 1308 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233d0-222.dat upx behavioral1/memory/3156-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3156-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1308-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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\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 File created 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 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe File created C:\Windows\rss\csrss.exe e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.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 984 sc.exe -
pid Process 5012 powershell.exe 4768 powershell.exe 368 powershell.exe 2344 powershell.exe 4116 powershell.exe 3816 powershell.exe 540 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 3424 schtasks.exe 652 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.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\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 368 powershell.exe 368 powershell.exe 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 2344 powershell.exe 2344 powershell.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 4116 powershell.exe 4116 powershell.exe 3816 powershell.exe 3816 powershell.exe 540 powershell.exe 540 powershell.exe 5012 powershell.exe 5012 powershell.exe 4768 powershell.exe 4768 powershell.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 4296 csrss.exe 2516 injector.exe 2516 injector.exe 4296 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 4296 csrss.exe 4296 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 4296 csrss.exe 4296 csrss.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe 2516 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 368 powershell.exe Token: SeDebugPrivilege 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Token: SeImpersonatePrivilege 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe Token: SeDebugPrivilege 2344 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeSystemEnvironmentPrivilege 4296 csrss.exe Token: SeSecurityPrivilege 984 sc.exe Token: SeSecurityPrivilege 984 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2392 wrote to memory of 368 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 87 PID 2392 wrote to memory of 368 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 87 PID 2392 wrote to memory of 368 2392 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 87 PID 3628 wrote to memory of 2344 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 92 PID 3628 wrote to memory of 2344 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 92 PID 3628 wrote to memory of 2344 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 92 PID 3628 wrote to memory of 3940 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 94 PID 3628 wrote to memory of 3940 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 94 PID 3940 wrote to memory of 4956 3940 cmd.exe 96 PID 3940 wrote to memory of 4956 3940 cmd.exe 96 PID 3628 wrote to memory of 4116 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 99 PID 3628 wrote to memory of 4116 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 99 PID 3628 wrote to memory of 4116 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 99 PID 3628 wrote to memory of 3816 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 102 PID 3628 wrote to memory of 3816 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 102 PID 3628 wrote to memory of 3816 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 102 PID 3628 wrote to memory of 4296 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 106 PID 3628 wrote to memory of 4296 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 106 PID 3628 wrote to memory of 4296 3628 e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe 106 PID 4296 wrote to memory of 540 4296 csrss.exe 108 PID 4296 wrote to memory of 540 4296 csrss.exe 108 PID 4296 wrote to memory of 540 4296 csrss.exe 108 PID 4296 wrote to memory of 5012 4296 csrss.exe 114 PID 4296 wrote to memory of 5012 4296 csrss.exe 114 PID 4296 wrote to memory of 5012 4296 csrss.exe 114 PID 4296 wrote to memory of 4768 4296 csrss.exe 116 PID 4296 wrote to memory of 4768 4296 csrss.exe 116 PID 4296 wrote to memory of 4768 4296 csrss.exe 116 PID 4296 wrote to memory of 2516 4296 csrss.exe 118 PID 4296 wrote to memory of 2516 4296 csrss.exe 118 PID 3156 wrote to memory of 2620 3156 windefender.exe 124 PID 3156 wrote to memory of 2620 3156 windefender.exe 124 PID 3156 wrote to memory of 2620 3156 windefender.exe 124 PID 2620 wrote to memory of 984 2620 cmd.exe 125 PID 2620 wrote to memory of 984 2620 cmd.exe 125 PID 2620 wrote to memory of 984 2620 cmd.exe 125 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe"C:\Users\Admin\AppData\Local\Temp\e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:368
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C:\Users\Admin\AppData\Local\Temp\e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.exe"C:\Users\Admin\AppData\Local\Temp\e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37.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:3628 -
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:2344
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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:3940 -
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:4956
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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:4116
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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:3816
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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:4296 -
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:540
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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:3424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1200
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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:5012
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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:4768
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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:2516
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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:652
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3156 -
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:2620 -
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:984
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1308
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
MD51e687b8b16475680ddb33961d38e0b71
SHA1f0b276a93805bb033a577b5991bed5d00ae6fd26
SHA2568449b83987808fc12344a76a5869f255c397beb617ccc565d964c931ec7f15f0
SHA5123450c76aa70be0c187584600d259e077b2617ce0865e3089bf8ef892dd8ee098ad88699baf88d3ea0914511aff7c9d6d6f79754ae971ae99d90d7bdcb84b3285
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5874c574cfcf7ba5f076adaf44071d5bf
SHA1119653e543fc8c93e3ccdc925c46b5d97a260da2
SHA256f2ae2d1b0e5694ffd8d4e834c295e4f1157deb5d2b8679c5f586dbaeaa7fffd4
SHA512bf97307617a3177e806810627c944de5ae4f6ffc24dad70f97713e541ae2cc8f1e69020e0896434619cfc9d4b146c7de418b311989c54bad84ad6d8e6b5b804c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c875c048ec8487b5bd6226026df0e96a
SHA1448a4bf1278d24dec792c1a70fee33edd4cba42a
SHA256ca6cde6784b9ac39f4895334dc66021e6c20a61c407e7ee1221ccd62d94b960a
SHA512ae5e29d82ee0a4c3a3d2b30357673d81601548c0ec12c28419409f76c452e1860710c123b91bb7489109a5353cf8c8b4719eb8748d02bd99b62cef6de2d12684
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a462582e9442213104bfccffaaaf827
SHA1d1717859166a1a4b71f3e12a1af57f60ad4e585d
SHA2568d7328bc13e135088672cc9d912aa0caac8a02ca499005278f28cf91e908680b
SHA51280ea99b500997740cbdb6f6067eef4d62a9b5556a835fcdd2247347a5a2e7e9bfd63eef09c919ced9cf58496dd5b2c874af98f2ae47f93820bd646afce9f7ef0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f30ca5a9e16b25df2b642da6e64b8f2
SHA14b4e8e7d287a88ebe0cfe65bbdeb278c99d4bb19
SHA2561e80f59ab4e072471bdc3592bda1e05c91c5e4b814f8fc34c8664b4972e9a922
SHA512259908bb084a16f6e25d59cf454588b2c9e2776cf4a3fd89a58123c025fec2e1e90e0828cd03ca11dc58368b9d9d27b37667a76b23ab2c61b20532179c33c24c
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Filesize
4.1MB
MD534669f5e7048bd0e48ddde128d8b41c1
SHA148e22b58a58683745ed1c8bcfd24170ac771a41a
SHA256e8a80436b658bba71f456ba70fc0688147f3597d16154d74174bd2498db6da37
SHA512a8f505bc7147024a2a2a6228e64e46db2a4ec1d44cd1a28f942a65e5c486970e97b91c412ebb586df01698c1b4ca16177358d151f2e316cacc50387b0ed4f6b9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec