Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe
Resource
win10v2004-20240426-en
General
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Target
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe
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Size
4.1MB
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MD5
96651138dda5d7d4450bc7cb668d6bb4
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SHA1
7c1c455b06c425a89fb83cbb44b95f728a673e65
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SHA256
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a
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SHA512
7dd7c8a69dd1b8783a973a8961f39cebd7cf92ca193cdde73f1fedda8682e44c81c9e5351383fda597936575814436ad24f65e879e8ce911bbee087d78b870fd
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SSDEEP
98304:VH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI22:VH+PiSfw6Rz4ejOEAZ44S5J5ww22
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1144-2-0x0000000004480000-0x0000000004D6B000-memory.dmp family_glupteba behavioral1/memory/1144-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1144-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1144-57-0x0000000004480000-0x0000000004D6B000-memory.dmp family_glupteba behavioral1/memory/1144-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1976-133-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3116-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2640 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3116 csrss.exe 4708 injector.exe 4548 windefender.exe 4896 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000e00000002337e-221.dat upx behavioral1/memory/4548-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4896-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4548-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4896-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4896-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe -
Drops file in Windows directory 4 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1596 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4044 powershell.exe 1072 powershell.exe 2876 powershell.exe 4132 powershell.exe 4588 powershell.exe 2732 powershell.exe 4604 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4524 1144 WerFault.exe 82 -
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 1008 schtasks.exe 4060 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-982 = "Kamchatka Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard 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,-12 = "Azores Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4044 powershell.exe 4044 powershell.exe 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1072 powershell.exe 1072 powershell.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 2876 powershell.exe 2876 powershell.exe 4132 powershell.exe 4132 powershell.exe 4132 powershell.exe 4588 powershell.exe 4588 powershell.exe 4588 powershell.exe 2732 powershell.exe 2732 powershell.exe 2732 powershell.exe 4604 powershell.exe 4604 powershell.exe 4604 powershell.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3116 csrss.exe 3116 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3116 csrss.exe 3116 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3116 csrss.exe 3116 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Token: SeImpersonatePrivilege 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 4132 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeSystemEnvironmentPrivilege 3116 csrss.exe Token: SeSecurityPrivilege 1596 sc.exe Token: SeSecurityPrivilege 1596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1144 wrote to memory of 4044 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 84 PID 1144 wrote to memory of 4044 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 84 PID 1144 wrote to memory of 4044 1144 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 84 PID 1976 wrote to memory of 1072 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 94 PID 1976 wrote to memory of 1072 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 94 PID 1976 wrote to memory of 1072 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 94 PID 1976 wrote to memory of 1616 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 99 PID 1976 wrote to memory of 1616 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 99 PID 1616 wrote to memory of 2640 1616 cmd.exe 101 PID 1616 wrote to memory of 2640 1616 cmd.exe 101 PID 1976 wrote to memory of 2876 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 102 PID 1976 wrote to memory of 2876 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 102 PID 1976 wrote to memory of 2876 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 102 PID 1976 wrote to memory of 4132 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 106 PID 1976 wrote to memory of 4132 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 106 PID 1976 wrote to memory of 4132 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 106 PID 1976 wrote to memory of 3116 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 108 PID 1976 wrote to memory of 3116 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 108 PID 1976 wrote to memory of 3116 1976 2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe 108 PID 3116 wrote to memory of 4588 3116 csrss.exe 109 PID 3116 wrote to memory of 4588 3116 csrss.exe 109 PID 3116 wrote to memory of 4588 3116 csrss.exe 109 PID 3116 wrote to memory of 2732 3116 csrss.exe 116 PID 3116 wrote to memory of 2732 3116 csrss.exe 116 PID 3116 wrote to memory of 2732 3116 csrss.exe 116 PID 3116 wrote to memory of 4604 3116 csrss.exe 118 PID 3116 wrote to memory of 4604 3116 csrss.exe 118 PID 3116 wrote to memory of 4604 3116 csrss.exe 118 PID 3116 wrote to memory of 4708 3116 csrss.exe 121 PID 3116 wrote to memory of 4708 3116 csrss.exe 121 PID 4548 wrote to memory of 924 4548 windefender.exe 127 PID 4548 wrote to memory of 924 4548 windefender.exe 127 PID 4548 wrote to memory of 924 4548 windefender.exe 127 PID 924 wrote to memory of 1596 924 cmd.exe 128 PID 924 wrote to memory of 1596 924 cmd.exe 128 PID 924 wrote to memory of 1596 924 cmd.exe 128 -
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\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.exe"C:\Users\Admin\AppData\Local\Temp\2df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a.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:1976 -
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:1072
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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:1616 -
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:2640
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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:2876
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4132
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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:3116 -
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:4588
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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:1008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1520
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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:2732
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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:4604
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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:4708
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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:4060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4548 -
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:924 -
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:1596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 9162⤵
- Program crash
PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1144 -ip 11441⤵PID:2336
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4896
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5670d6f658b09cd35b16dd31c0f95fa10
SHA1fb8863a3a558caf561b234c429fb10c36659b95e
SHA256ec08762bba4c7cdb4f1b3b9ccd17802c76642a529067a7f6c3baf06031153e41
SHA512e472ef2e012e7af950181385b6396c812f3e5779b8927809beec3c7f01c51c017e5c42f91f6ffeee10ccb324907f2f6a8f394d72e0abc125fdca41a658a6b56f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5714495d663524023890d2575097ddf40
SHA1be727ff899bfc07928c0ebe06fe214490e631e79
SHA256a454a9c2aad7682b9f436c215086708a2b9dab9970ad160320049b69a1388622
SHA512aaba6652180788d9060d6d29644b71d8867d9b8df40dfc29f70056caac17303ebe1775923a3f5ff4e40e0fcbf74ffa37f26231568315687b087639822d238b9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5612b203e0c4f16d388250abc6fdd1c86
SHA14ca021df585459d40a555d2544c90ae86fd91731
SHA256ae42a3d0a2e2bbd886ef68c9c53589a6386381a8a5d475b8fada6bbeab0ab8b8
SHA5127423f1adcd8c1fce7df5ea7e62a46e85040a68e9aa5945408d265401ed7a99532b57fd6902cd897ff65f698731157dc775f1a69b248ae3947cb2b2892dd03482
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fd83a5b431f115d93a352d3198fb573
SHA1dbca88655dd51bfa730c1a679c8d23be77c3c07d
SHA2567e2bc925a6056474afc3642b58dc2a86613d20932d046cd26a31bf40be7fc19d
SHA512901f5df50e5f3f61ee02c6be858958e4e545f80406130266b2b33ec4d49c5842752277a15b71c6a2e837504636cec4831599cbc8aa2d1bf496125218e1b1f747
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557ae6352ae6312b04b0673304befbf79
SHA17990457a0feae0216d3b84cb8ba30ae08d4ccd43
SHA2560f0405172f66646d850f2c2f6c6524cb863b9f5b6fe6a2d340d6bffb2f0fafca
SHA512c57ff8be4832a45770f9c052af9a235874cf9d38f6d3f3e5fcf4c522600144e8c5eef2dff349a2463fc95734d79b2e41bf5de2ddb227580e89a89b7a51ced881
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Filesize
4.1MB
MD596651138dda5d7d4450bc7cb668d6bb4
SHA17c1c455b06c425a89fb83cbb44b95f728a673e65
SHA2562df97860acc8e0dfa171a1917fbd401bc4a40c1ff91835ffbf29fa0947ccf91a
SHA5127dd7c8a69dd1b8783a973a8961f39cebd7cf92ca193cdde73f1fedda8682e44c81c9e5351383fda597936575814436ad24f65e879e8ce911bbee087d78b870fd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec