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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/05/2024, 15:15
Static task
static1
Behavioral task
behavioral1
Sample
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe
Resource
win10v2004-20240508-en
General
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Target
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe
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Size
4.1MB
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MD5
b2313e50a67190388a9bb39d886ab92a
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SHA1
bf7386e6347c5b0afc524e353d19e9e5deae0eac
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SHA256
3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185
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SHA512
34d4135a2e9386670a8f818c681ddd33c64ce2996cc424aea232ac5c8ec15dcfdd4b5be6dec736a592bec6d785c55133f6d82c8397b95be186356e54d9c77c8a
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SSDEEP
98304:D3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiT4:D3/aer8lIiPc9ySnggpxAJiIuBVpFiiM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1892-2-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral2/memory/1892-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1892-78-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral2/memory/1892-77-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1892-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2328-119-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2328-195-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-202-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/2396-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2176 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2396 csrss.exe 2324 injector.exe 480 windefender.exe 5060 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-205.dat upx behavioral2/memory/480-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/480-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe File created C:\Windows\rss\csrss.exe 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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 2704 sc.exe -
pid Process 3728 powershell.exe 2816 powershell.exe 240 powershell.exe 700 powershell.exe 2428 powershell.exe 4720 powershell.exe 2520 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 2776 schtasks.exe 4552 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\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.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,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard 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,-292 = "Central European Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 700 powershell.exe 700 powershell.exe 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2428 powershell.exe 2428 powershell.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 4720 powershell.exe 4720 powershell.exe 2520 powershell.exe 2520 powershell.exe 3728 powershell.exe 3728 powershell.exe 2816 powershell.exe 2816 powershell.exe 240 powershell.exe 240 powershell.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2396 csrss.exe 2396 csrss.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2396 csrss.exe 2396 csrss.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2396 csrss.exe 2396 csrss.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe 2324 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 700 powershell.exe Token: SeDebugPrivilege 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Token: SeImpersonatePrivilege 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeSystemEnvironmentPrivilege 2396 csrss.exe Token: SeSecurityPrivilege 2704 sc.exe Token: SeSecurityPrivilege 2704 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1892 wrote to memory of 700 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 78 PID 1892 wrote to memory of 700 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 78 PID 1892 wrote to memory of 700 1892 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 78 PID 2328 wrote to memory of 2428 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 83 PID 2328 wrote to memory of 2428 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 83 PID 2328 wrote to memory of 2428 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 83 PID 2328 wrote to memory of 1292 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 85 PID 2328 wrote to memory of 1292 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 85 PID 1292 wrote to memory of 2176 1292 cmd.exe 87 PID 1292 wrote to memory of 2176 1292 cmd.exe 87 PID 2328 wrote to memory of 4720 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 88 PID 2328 wrote to memory of 4720 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 88 PID 2328 wrote to memory of 4720 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 88 PID 2328 wrote to memory of 2520 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 90 PID 2328 wrote to memory of 2520 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 90 PID 2328 wrote to memory of 2520 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 90 PID 2328 wrote to memory of 2396 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 92 PID 2328 wrote to memory of 2396 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 92 PID 2328 wrote to memory of 2396 2328 3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe 92 PID 2396 wrote to memory of 3728 2396 csrss.exe 93 PID 2396 wrote to memory of 3728 2396 csrss.exe 93 PID 2396 wrote to memory of 3728 2396 csrss.exe 93 PID 2396 wrote to memory of 2816 2396 csrss.exe 99 PID 2396 wrote to memory of 2816 2396 csrss.exe 99 PID 2396 wrote to memory of 2816 2396 csrss.exe 99 PID 2396 wrote to memory of 240 2396 csrss.exe 101 PID 2396 wrote to memory of 240 2396 csrss.exe 101 PID 2396 wrote to memory of 240 2396 csrss.exe 101 PID 2396 wrote to memory of 2324 2396 csrss.exe 103 PID 2396 wrote to memory of 2324 2396 csrss.exe 103 PID 480 wrote to memory of 4956 480 windefender.exe 109 PID 480 wrote to memory of 4956 480 windefender.exe 109 PID 480 wrote to memory of 4956 480 windefender.exe 109 PID 4956 wrote to memory of 2704 4956 cmd.exe 110 PID 4956 wrote to memory of 2704 4956 cmd.exe 110 PID 4956 wrote to memory of 2704 4956 cmd.exe 110 -
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\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:700
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C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.exe"C:\Users\Admin\AppData\Local\Temp\3deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185.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:2328 -
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:2428
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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:1292 -
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:2176
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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:4720
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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:2520
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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:2396 -
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:3728
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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:2776
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3480
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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:2816
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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:240
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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:2324
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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:4552
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:480 -
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:4956 -
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:2704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5060
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
MD5f749b8155e9014acc1ed0b3c68411758
SHA103d23bf084222c6f4b0c155998fd7c17bbf4fb8d
SHA2564147c360103fd49528d259322f62fc3f33364ece14f0ed836b26c1203ee7cf52
SHA512510ab372c680a8b5940335587d4543d0c235f93029cdce1231ff69c6bfe89ba3d3f8a3cc358aae6b08de83a6b7d3424df437d4afb0f14192253fbaa4332df342
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f661b7913382c4af311b59eb66a7b070
SHA132a3fae867db2fcf327e6a88b1516a134168e851
SHA2567cd135b0802843f2302c0c00871a437f0b6d94fde11e593b17c941c4bb48eca2
SHA5121b88ca4d2b56a9bfe8a8bdffcfb209f8af9a43f30172cf9e3c6bc62bb7799ebaa2495c13a0133db538d51cfe6160f1f8c48b50980ad12f559c5818d87e85c98a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eabe432d347593b9f374d7841d7b25ee
SHA1c5d6ce8061d27bd390a2b0a59577b14d30d902c7
SHA25694ad8b28c58a97f545db26e45b2672d52ab05fe68b457604fa7160b5cfa7e3f0
SHA5129906e848b5c873af81129f28c614fc7ce5ef17980d189c5734c2fb795884b5bc6ec331ece93cf8934f34897c05e7da30e748501d4fa2b26586ef35bfae0c8e30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0678ade97c6bf4846e7e34576062132
SHA1b12fedc5d71b5d617a33fa9b3a8ebd91f4aa2c24
SHA256f75215ae4d5dd5ebd8ccd84b93fb6d26b8d709231be6e5bd66a0f5049b19480f
SHA512d059cc92482fc4b6f980c14812d1df6d5c3b17251e8984a1bdf4e4456c20e01fd1bb23cc0040e520058f144567f4e24b7e15a75fa86a19a57904e0497547e44b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54138e28506506032f6049ee57a42f9b3
SHA1ee81f2a747e73640fb84dcfdaa60b4156590fc8a
SHA256de6b90fe912d937460595de2ae0351d8c34d7be8ac22c39c936fbb11789c9a86
SHA51260e006bfd404e5e86b9f48cdae54a562c84329d93a8a1e140791e8d72633828018d9a26019d88e0f89c1f380722d484aa0dd045f13019294eada22ad602e4060
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Filesize
4.1MB
MD5b2313e50a67190388a9bb39d886ab92a
SHA1bf7386e6347c5b0afc524e353d19e9e5deae0eac
SHA2563deedefda8a3adf1f11fbfb07f1b70f4054862d497cdc276e29ae60bf469b185
SHA51234d4135a2e9386670a8f818c681ddd33c64ce2996cc424aea232ac5c8ec15dcfdd4b5be6dec736a592bec6d785c55133f6d82c8397b95be186356e54d9c77c8a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec