Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:15
Static task
static1
Behavioral task
behavioral1
Sample
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe
Resource
win10v2004-20240426-en
General
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Target
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe
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Size
4.1MB
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MD5
52230c6c19b1b2937d857d24605dfe04
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SHA1
38b14c797560faf68c40b4284240208bab9ef0f1
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SHA256
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994
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SHA512
b7f905bbecb50095f52d0ee8d32906b800c7674b72220679602a859589eeb329d4ba57b242eb5797bccacdc1b0443ebafda27ae3db1b218235c665ff62570706
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SSDEEP
98304:dH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2l:dH+PiSfw6Rz4ejOEAZ44S5J5ww2l
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2860-2-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/2860-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2860-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2860-54-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/2860-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4388-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-202-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-212-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-214-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/412-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3068 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 412 csrss.exe 2964 injector.exe 4504 windefender.exe 2328 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa87-205.dat upx behavioral2/memory/4504-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2328-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4504-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2328-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2328-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execsrss.exedescription 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\"" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe -
Drops file in Windows directory 4 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3128 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2020 powershell.exe 3108 powershell.exe 3152 powershell.exe 788 powershell.exe 4472 powershell.exe 3996 powershell.exe 3568 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2288 schtasks.exe 1700 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.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\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard 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\@tzres.dll,-435 = "Georgian Standard Time" windefender.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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3152 powershell.exe 3152 powershell.exe 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 788 powershell.exe 788 powershell.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 4472 powershell.exe 4472 powershell.exe 3996 powershell.exe 3996 powershell.exe 3568 powershell.exe 3568 powershell.exe 2020 powershell.exe 2020 powershell.exe 3108 powershell.exe 3108 powershell.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 412 csrss.exe 412 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 412 csrss.exe 412 csrss.exe 2964 injector.exe 2964 injector.exe 412 csrss.exe 412 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Token: SeImpersonatePrivilege 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe Token: SeDebugPrivilege 788 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeSystemEnvironmentPrivilege 412 csrss.exe Token: SeSecurityPrivilege 3128 sc.exe Token: SeSecurityPrivilege 3128 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2860 wrote to memory of 3152 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 82 PID 2860 wrote to memory of 3152 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 82 PID 2860 wrote to memory of 3152 2860 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 82 PID 4388 wrote to memory of 788 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 4388 wrote to memory of 788 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 4388 wrote to memory of 788 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 87 PID 4388 wrote to memory of 392 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 89 PID 4388 wrote to memory of 392 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 89 PID 392 wrote to memory of 3068 392 cmd.exe 91 PID 392 wrote to memory of 3068 392 cmd.exe 91 PID 4388 wrote to memory of 4472 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 92 PID 4388 wrote to memory of 4472 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 92 PID 4388 wrote to memory of 4472 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 92 PID 4388 wrote to memory of 3996 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 94 PID 4388 wrote to memory of 3996 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 94 PID 4388 wrote to memory of 3996 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 94 PID 4388 wrote to memory of 412 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 96 PID 4388 wrote to memory of 412 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 96 PID 4388 wrote to memory of 412 4388 2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe 96 PID 412 wrote to memory of 3568 412 csrss.exe 97 PID 412 wrote to memory of 3568 412 csrss.exe 97 PID 412 wrote to memory of 3568 412 csrss.exe 97 PID 412 wrote to memory of 2020 412 csrss.exe 102 PID 412 wrote to memory of 2020 412 csrss.exe 102 PID 412 wrote to memory of 2020 412 csrss.exe 102 PID 412 wrote to memory of 3108 412 csrss.exe 105 PID 412 wrote to memory of 3108 412 csrss.exe 105 PID 412 wrote to memory of 3108 412 csrss.exe 105 PID 412 wrote to memory of 2964 412 csrss.exe 107 PID 412 wrote to memory of 2964 412 csrss.exe 107 PID 4504 wrote to memory of 3264 4504 windefender.exe 114 PID 4504 wrote to memory of 3264 4504 windefender.exe 114 PID 4504 wrote to memory of 3264 4504 windefender.exe 114 PID 3264 wrote to memory of 3128 3264 cmd.exe 115 PID 3264 wrote to memory of 3128 3264 cmd.exe 115 PID 3264 wrote to memory of 3128 3264 cmd.exe 115 -
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\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.exe"C:\Users\Admin\AppData\Local\Temp\2e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994.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:4388 -
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:788
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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:392 -
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:3068
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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:4472
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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:3996
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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:412 -
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:3568
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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:2288
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3788
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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:2020
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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:3108
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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:2964
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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:1700
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4504 -
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:3264 -
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:3128
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2328
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
MD5c9d325179332ef662b9dafaea4553933
SHA1eb916761c35dc378725d3f8e8a9c3caa9ce32b43
SHA256a37f9903f189a96cb0f73c20e6ffbb6ba0c173351477f78e4c33cf5e78efaf6c
SHA512fe999b7459018a0cef80fc6b53cbb33e8b6d63a70ad7c747ba47b53cd76ddc39e0b7537542f00b06ccb4ca1a80c3c2082cb04920fd993db07c5f0c9057f970a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52121ea7406df797b9af453bd4e0e4645
SHA1dca6261ddfec69eceddd65fd0cc99d68f2d999df
SHA256f96bd3e64417540c65d83194a46acd9184f021a54236edfa20b4f03c5ab93135
SHA51229f51b39e0cbd3bf58ee9b571605ca28302d0c3c3004e3d191d33e550f7f202d0fc3789870d63421220fc8bb7bf1af23ed42564218e9c02eaf7fa3004095e184
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584492da1c59ebcd716d43c2b1e7bc84a
SHA1b3e641b92a3eb772350c5bd702f802f89bbb7dda
SHA2568b9387d1afc7c75b4732153d0745291276d62cff720b1ba353092cf1fbdfc858
SHA5124fed8757098a5cd847e738aff6ae069e2ba85fdbd9ba20067b2f8285039c4cc0191a291cdb067262a933eda22ce285b00b3c28d143ae0e5971fe33f2532b63ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51be16e862e3246a1ec06a62599b0971c
SHA153f5f10802682f31eacb78de2db59b7f00e1b616
SHA256a985d0e310b6f0c686ac683bff024008295b61e24730245b6c60b4c657d87fef
SHA5126ba2270c2f6a1847d3c7c49fdbd6b00cdc547a1afc5bdc03c57fbbeabbad89e4dabe99adef4dca2e838d7b02666796f5a97548775fea3b4df0dcf339351e0483
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51eb089f96e11e6e540636b677536ad6b
SHA1f907632222bff61892d67dc7d6470a5b95d3b866
SHA256bd864082623074841135cf68f43ac9d816ea8fa88aadc14cc2d9aab3ee750743
SHA512d8494f067defdda7d455cafda5f6af666f427b538d4a54e6a01e184c84fca99d55a25cf26edb7e6b0ff3c25e2ce31a65472b39ea18dcb09ef969d120b13b4e31
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Filesize
4.1MB
MD552230c6c19b1b2937d857d24605dfe04
SHA138b14c797560faf68c40b4284240208bab9ef0f1
SHA2562e9c85b549c0dbcf0da21865a3b182a5583f5f3248c1148f9961a475ef2e2994
SHA512b7f905bbecb50095f52d0ee8d32906b800c7674b72220679602a859589eeb329d4ba57b242eb5797bccacdc1b0443ebafda27ae3db1b218235c665ff62570706
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec