Analysis
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max time kernel
149s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:48
Static task
static1
Behavioral task
behavioral1
Sample
6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe
Resource
win10v2004-20240426-en
General
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Target
6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe
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Size
4.1MB
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MD5
c4cd61e951f819442862cba048796bba
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SHA1
4f915efc58728b4c07c4eb75efaa5ce337cf8e39
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SHA256
6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d
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SHA512
18b135fd85ade050d12b464fdc5f0a9abd6e0f100eb4841d04586f1a997d7605ab166cbf5e9105e081706f4766dc4fe50c25fc22c2066a5dfbcb68b0a996be60
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SSDEEP
98304:d/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIj:d/oSJg9H959pd0eCv1HALSg
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4468-2-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral2/memory/4468-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4468-52-0x0000000004CB0000-0x000000000559B000-memory.dmp family_glupteba behavioral2/memory/4468-72-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4468-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4748-126-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-201-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-209-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-213-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2428-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2428 csrss.exe 240 injector.exe 3504 windefender.exe 3044 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-204.dat upx behavioral2/memory/3504-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3504-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe File created C:\Windows\rss\csrss.exe 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.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 4500 sc.exe -
pid Process 1492 powershell.exe 1052 powershell.exe 3160 powershell.exe 1848 powershell.exe 3768 powershell.exe 328 powershell.exe 1828 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 3016 schtasks.exe 4336 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.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\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar 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" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3160 powershell.exe 3160 powershell.exe 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 1848 powershell.exe 1848 powershell.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 3768 powershell.exe 3768 powershell.exe 328 powershell.exe 328 powershell.exe 1828 powershell.exe 1828 powershell.exe 1492 powershell.exe 1492 powershell.exe 1052 powershell.exe 1052 powershell.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 2428 csrss.exe 2428 csrss.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 2428 csrss.exe 2428 csrss.exe 240 injector.exe 240 injector.exe 2428 csrss.exe 2428 csrss.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe 240 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3160 powershell.exe Token: SeDebugPrivilege 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Token: SeImpersonatePrivilege 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe Token: SeDebugPrivilege 1848 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeDebugPrivilege 328 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 1052 powershell.exe Token: SeSystemEnvironmentPrivilege 2428 csrss.exe Token: SeSecurityPrivilege 4500 sc.exe Token: SeSecurityPrivilege 4500 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4468 wrote to memory of 3160 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 78 PID 4468 wrote to memory of 3160 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 78 PID 4468 wrote to memory of 3160 4468 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 78 PID 4748 wrote to memory of 1848 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 83 PID 4748 wrote to memory of 1848 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 83 PID 4748 wrote to memory of 1848 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 83 PID 4748 wrote to memory of 2532 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 85 PID 4748 wrote to memory of 2532 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 85 PID 2532 wrote to memory of 4372 2532 cmd.exe 87 PID 2532 wrote to memory of 4372 2532 cmd.exe 87 PID 4748 wrote to memory of 3768 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 88 PID 4748 wrote to memory of 3768 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 88 PID 4748 wrote to memory of 3768 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 88 PID 4748 wrote to memory of 328 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 90 PID 4748 wrote to memory of 328 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 90 PID 4748 wrote to memory of 328 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 90 PID 4748 wrote to memory of 2428 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 92 PID 4748 wrote to memory of 2428 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 92 PID 4748 wrote to memory of 2428 4748 6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe 92 PID 2428 wrote to memory of 1828 2428 csrss.exe 93 PID 2428 wrote to memory of 1828 2428 csrss.exe 93 PID 2428 wrote to memory of 1828 2428 csrss.exe 93 PID 2428 wrote to memory of 1492 2428 csrss.exe 98 PID 2428 wrote to memory of 1492 2428 csrss.exe 98 PID 2428 wrote to memory of 1492 2428 csrss.exe 98 PID 2428 wrote to memory of 1052 2428 csrss.exe 101 PID 2428 wrote to memory of 1052 2428 csrss.exe 101 PID 2428 wrote to memory of 1052 2428 csrss.exe 101 PID 2428 wrote to memory of 240 2428 csrss.exe 103 PID 2428 wrote to memory of 240 2428 csrss.exe 103 PID 3504 wrote to memory of 3756 3504 windefender.exe 109 PID 3504 wrote to memory of 3756 3504 windefender.exe 109 PID 3504 wrote to memory of 3756 3504 windefender.exe 109 PID 3756 wrote to memory of 4500 3756 cmd.exe 110 PID 3756 wrote to memory of 4500 3756 cmd.exe 110 PID 3756 wrote to memory of 4500 3756 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\6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe"C:\Users\Admin\AppData\Local\Temp\6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3160
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C:\Users\Admin\AppData\Local\Temp\6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.exe"C:\Users\Admin\AppData\Local\Temp\6171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d.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:4748 -
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:1848
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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:2532 -
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:4372
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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:3768
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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:328
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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:2428 -
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:1828
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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:4336
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:784
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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:1492
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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:1052
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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:240
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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:3016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3504 -
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:3756 -
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:4500
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3044
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
MD578cd423dba2ff209a678a2bb084d85d4
SHA170d5c430ed56b4be55b71c77a6c446d6ab195ed8
SHA256b2fe59b21777b77a55419d547ae874fa2ee8607b4b9468378e590409f72ddb7b
SHA512f8522c1beb4427b9c43c133c60e8ba28016ec4c2ae4990160e4e0a0e9951bc2610823f9e8c2ec8dc4ad78644e976ebf5642568c160cdb076b35cf78bdbb3ca89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fd02ae7f25d914fff7738d76c68c8b4
SHA1904cefb9c2588f259d7c369efe33c48495cde970
SHA256bcbfe78a8a00666d7ea3f720aa466ecaa57835a04d8e1e53713a25bacc7daf02
SHA512c43a4a6cd1880bfd6df336365f14f2cda9f5116cdee57f1d50410f48eecb76bebf9678327a49fa6044bf7784b459527f852d3bafa9910dacfa5bb3a9f0819a07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca8f55b4f43021c1edb69b17dcbeae02
SHA15f119c02ef05ea2d86ee28408badbb942ecface6
SHA256165f7a84f0dfdb1118b74d26e41a0ee3ad4d315ebcbf42a1adc6cdd5cb8938af
SHA5128e25b30a468f46dd2d97b5574afbc56372806cb479df243a32ed2abc3c130d2f273d307cfca03539ea74807fe9c9e8f0cc06091ed03d697596db2e53f22f14b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b37891205c641157a4a7c5882d4c8033
SHA19fb2e2e683237efcae41071258d465f5f8528fcd
SHA256c65b89b1c7d2c1952bc8f4651f4699ed485bb6e9b3e98347558fe771ad724e85
SHA5127d40a1cedef2300508518877305534b97a3c78bcb0489ed73f2f8850b389c0ab20967bb0c4c366dbabf2057582f47d95de64e0f4adca1f31b96826e9ab536ed9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5244dc9aed2fb43251d04f5baa3e47054
SHA12d5b46f1f32194aa1f43109eef1af749c5e4598b
SHA256f2c25c533a0928b796bbfa732bd158341c73588577a3ebb57c001d4911787f5f
SHA512c7ef963c406ec719336ae0a54edca5b351990ff1adfad0f0b4a17edd2d6cbcc4113d6b0f9feffaede4ae765c8ab6575ceb753ff4084110c3832f206be3e54e68
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Filesize
4.1MB
MD5c4cd61e951f819442862cba048796bba
SHA14f915efc58728b4c07c4eb75efaa5ce337cf8e39
SHA2566171e7fdf4dd86d69285058085808a0eb5aee09db560203d455e39107eafdb2d
SHA51218b135fd85ade050d12b464fdc5f0a9abd6e0f100eb4841d04586f1a997d7605ab166cbf5e9105e081706f4766dc4fe50c25fc22c2066a5dfbcb68b0a996be60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec