Analysis
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max time kernel
149s -
max time network
150s -
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 16:53
Static task
static1
Behavioral task
behavioral1
Sample
7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe
Resource
win10v2004-20240508-en
General
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Target
7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe
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Size
4.1MB
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MD5
edbda745476dcc80de4f6e5bad0153c6
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SHA1
6555216800f97b13d32dd512820e7e2c2e280308
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SHA256
7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6
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SHA512
73c42f64247c5cea9cf0ba06ede4cc69938973964cf5862b64e8332a36100cc006ef704f56498e575d565b11cf6c73c36742e2427b0fb72863f1265a35508dfa
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SSDEEP
98304:wc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP1:wX++d2b0aMbplZO0sFfS1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/864-2-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral2/memory/864-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/864-119-0x00000000049C0000-0x00000000052AB000-memory.dmp family_glupteba behavioral2/memory/864-118-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3580-124-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/864-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3660-200-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-211-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3660-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3088 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3660 csrss.exe 4064 injector.exe 5004 windefender.exe 2352 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2d-204.dat upx behavioral2/memory/5004-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5004-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe File created C:\Windows\rss\csrss.exe 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.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 3152 sc.exe -
pid Process 4628 powershell.exe 2144 powershell.exe 2680 powershell.exe 4436 powershell.exe 1504 powershell.exe 1608 powershell.exe 2844 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 392 schtasks.exe 3324 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-81 = "Atlantic 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" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard 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,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4628 powershell.exe 4628 powershell.exe 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 2144 powershell.exe 2144 powershell.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 2680 powershell.exe 2680 powershell.exe 4436 powershell.exe 4436 powershell.exe 1504 powershell.exe 1504 powershell.exe 1608 powershell.exe 1608 powershell.exe 2844 powershell.exe 2844 powershell.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 3660 csrss.exe 3660 csrss.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 3660 csrss.exe 3660 csrss.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 3660 csrss.exe 3660 csrss.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe 4064 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Token: SeImpersonatePrivilege 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeSystemEnvironmentPrivilege 3660 csrss.exe Token: SeSecurityPrivilege 3152 sc.exe Token: SeSecurityPrivilege 3152 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 864 wrote to memory of 4628 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 81 PID 864 wrote to memory of 4628 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 81 PID 864 wrote to memory of 4628 864 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 81 PID 3580 wrote to memory of 2144 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 89 PID 3580 wrote to memory of 2144 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 89 PID 3580 wrote to memory of 2144 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 89 PID 3580 wrote to memory of 4696 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 91 PID 3580 wrote to memory of 4696 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 91 PID 4696 wrote to memory of 3088 4696 cmd.exe 93 PID 4696 wrote to memory of 3088 4696 cmd.exe 93 PID 3580 wrote to memory of 2680 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 94 PID 3580 wrote to memory of 2680 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 94 PID 3580 wrote to memory of 2680 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 94 PID 3580 wrote to memory of 4436 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 96 PID 3580 wrote to memory of 4436 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 96 PID 3580 wrote to memory of 4436 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 96 PID 3580 wrote to memory of 3660 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 98 PID 3580 wrote to memory of 3660 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 98 PID 3580 wrote to memory of 3660 3580 7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe 98 PID 3660 wrote to memory of 1504 3660 csrss.exe 99 PID 3660 wrote to memory of 1504 3660 csrss.exe 99 PID 3660 wrote to memory of 1504 3660 csrss.exe 99 PID 3660 wrote to memory of 1608 3660 csrss.exe 107 PID 3660 wrote to memory of 1608 3660 csrss.exe 107 PID 3660 wrote to memory of 1608 3660 csrss.exe 107 PID 3660 wrote to memory of 2844 3660 csrss.exe 110 PID 3660 wrote to memory of 2844 3660 csrss.exe 110 PID 3660 wrote to memory of 2844 3660 csrss.exe 110 PID 3660 wrote to memory of 4064 3660 csrss.exe 112 PID 3660 wrote to memory of 4064 3660 csrss.exe 112 PID 5004 wrote to memory of 2568 5004 windefender.exe 118 PID 5004 wrote to memory of 2568 5004 windefender.exe 118 PID 5004 wrote to memory of 2568 5004 windefender.exe 118 PID 2568 wrote to memory of 3152 2568 cmd.exe 119 PID 2568 wrote to memory of 3152 2568 cmd.exe 119 PID 2568 wrote to memory of 3152 2568 cmd.exe 119 -
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\7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe"C:\Users\Admin\AppData\Local\Temp\7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
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C:\Users\Admin\AppData\Local\Temp\7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.exe"C:\Users\Admin\AppData\Local\Temp\7c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6.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:3580 -
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:2144
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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:4696 -
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:3088
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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:2680
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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:4436
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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:3660 -
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:1504
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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:392
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2608
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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:1608
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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:2844
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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:4064
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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:3324
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5004 -
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:2568 -
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:3152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2352
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5684aaa9fa031e9ee145bc27790e70b31
SHA1206b34da41ab4e5b5bbf45d14d3c69cd2c147f70
SHA256aae8ead869c4c65cad724ed90828f60efbb07be7f2ea4d0a6d5479e8dd8e2935
SHA5123a19b8abdb2889c7dad6767bf3f35f76c692f1f66148da56a3094329374bebf92022d9cdb5cf5c235851d99f892cd33fffb2f97d23c955973ceb655308b094f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51eb9306fcde8babd8e78a3d9161da543
SHA188e0433c291473d7989909e8506c08ec23abe7bc
SHA25699c55e37ffa9420fc850a6df14423a37f73f196bbe8bb3a5d4c5c1259831a845
SHA512f35352f155064de993f6638eae8da8ddde44e34df678191c4ca0dc5625cd566cd3c18ed97c95426af0659c25ede2309c068233cd1c264aa8800af096f611be8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5539d84fcf139db3907a367f5767e7f12
SHA1724a45de94d22ce0aed929dddc35174ea9d07164
SHA2567400d933030d4ddc491770103b36e5d057804207945e4cb18681c8f7c8b861b3
SHA512277a974fd446c648ed4d261d7c4bdee77d9a617bfecfabcfb02e3adcad285c81e4efdd113c97aa1d23509909d25b66b60143c33a496c9a202aa36062eb85b650
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d2360ca682639b13d7efe15574486a9
SHA1065c2365230c09a664e3fb5488cb48b72467da9b
SHA256f57112fc63889e320815ce0fdc5cd04679bce19d94fdd559b5ccde8ce64a18d4
SHA512cab211c5deb49698fdf5110158fb39c68f6a3286f6b89da964160a3faa90f81ddb75981cfe7e40121f95b5d5b7954248eb4e33d914dad2913883341c23aff46f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b829e49c18f3f7ff5a36342de167d9bb
SHA16c5d1015066b4714450063d1784369333245605a
SHA256e48a44a0709ada18912b576ea599270d577903a9b80638b3a554f02519a14d35
SHA5121b01bcb6aa40a3e990f31f3f361f27aca847327e2fc8d02f3f6268bafbad3fe13eb69452d44bb186348724a87dfccc28c400fb2da455862952422cd3d7235ec5
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Filesize
4.1MB
MD5edbda745476dcc80de4f6e5bad0153c6
SHA16555216800f97b13d32dd512820e7e2c2e280308
SHA2567c4e65a7914c822530f59fd7024129801e3b603a44ad33328b1ac7c896918dd6
SHA51273c42f64247c5cea9cf0ba06ede4cc69938973964cf5862b64e8332a36100cc006ef704f56498e575d565b11cf6c73c36742e2427b0fb72863f1265a35508dfa
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec