Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 20:47
Static task
static1
Behavioral task
behavioral1
Sample
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe
Resource
win10v2004-20240412-en
General
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Target
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe
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Size
4.2MB
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MD5
8d4795c6f2917391103e1343c36f34eb
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SHA1
a801c3ca46f98ea8c7ef32ac6b149f118204dc4d
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SHA256
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295
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SHA512
182019d661b08d3649f2100a0eac2fa5f3064d111d8e3a32c00bd8d8dc14931a0f2d1d8bcf6245410a283f6eb9e789dcccd2e1eb4982650c0c3b3cf8a932fc55
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SSDEEP
98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lze:ZFYkS+E0uawLNQ+/9Bo7/O
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1636-2-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral1/memory/1636-3-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4716-47-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1636-48-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1636-52-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral1/memory/4716-117-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4716-129-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4716-149-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-249-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-251-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-261-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-264-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-267-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-270-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-273-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-276-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-279-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-282-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-285-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/3708-288-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4632 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3708 csrss.exe 4436 injector.exe 3000 windefender.exe 3432 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3000-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3432-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3432-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe -
Drops file in Windows directory 4 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execsrss.exedescription ioc process File opened for modification C:\Windows\rss cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe File created C:\Windows\rss\csrss.exe cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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.
Processes:
sc.exepid process 2024 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3684 2336 WerFault.exe 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 1608 schtasks.exe 3388 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2336 powershell.exe 2336 powershell.exe 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4676 powershell.exe 4676 powershell.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe 3280 powershell.exe 3280 powershell.exe 3216 powershell.exe 3216 powershell.exe 3216 powershell.exe 1288 powershell.exe 1288 powershell.exe 1288 powershell.exe 3116 powershell.exe 3116 powershell.exe 3116 powershell.exe 2948 powershell.exe 2948 powershell.exe 2948 powershell.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 3708 csrss.exe 3708 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 3708 csrss.exe 3708 csrss.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 4436 injector.exe 3708 csrss.exe 3708 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Token: SeImpersonatePrivilege 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeSystemEnvironmentPrivilege 3708 csrss.exe Token: SeSecurityPrivilege 2024 sc.exe Token: SeSecurityPrivilege 2024 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1636 wrote to memory of 2336 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 1636 wrote to memory of 2336 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 1636 wrote to memory of 2336 1636 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 4676 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 4676 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 4676 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 100 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe cmd.exe PID 4716 wrote to memory of 100 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe cmd.exe PID 100 wrote to memory of 4632 100 cmd.exe netsh.exe PID 100 wrote to memory of 4632 100 cmd.exe netsh.exe PID 4716 wrote to memory of 3280 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3280 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3280 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3216 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3216 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3216 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe powershell.exe PID 4716 wrote to memory of 3708 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 4716 wrote to memory of 3708 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 4716 wrote to memory of 3708 4716 cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe csrss.exe PID 3708 wrote to memory of 1288 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 1288 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 1288 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 3116 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 3116 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 3116 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 2948 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 2948 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 2948 3708 csrss.exe powershell.exe PID 3708 wrote to memory of 4436 3708 csrss.exe injector.exe PID 3708 wrote to memory of 4436 3708 csrss.exe injector.exe PID 3000 wrote to memory of 2004 3000 windefender.exe cmd.exe PID 3000 wrote to memory of 2004 3000 windefender.exe cmd.exe PID 3000 wrote to memory of 2004 3000 windefender.exe cmd.exe PID 2004 wrote to memory of 2024 2004 cmd.exe sc.exe PID 2004 wrote to memory of 2024 2004 cmd.exe sc.exe PID 2004 wrote to memory of 2024 2004 cmd.exe sc.exe -
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\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 26123⤵
- Program crash
PID:3684
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C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.exe"C:\Users\Admin\AppData\Local\Temp\cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295.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:4716 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4676
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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:100 -
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:4632
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3280
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3216
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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:3708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
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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:1608
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3624
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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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:4436
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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:3388
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3000 -
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:2004 -
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:2024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2336 -ip 23361⤵PID:4124
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3432
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
MD57a0b82edd385450a969dfcfaa5fb1e42
SHA13d0650bf06c4f69ac073098a80482646d785cde1
SHA2564e1e55502df6fb5ba1ca9990ef17246c801436d87e3ef48ae103d41edee6973b
SHA51244b6534b296cf1db3753b6c2e720f369266c2b4c7592090413dc9e853af76232411061df931c0690e43b0c899f01c015e1133484852a2b16721944f3048b929e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5390464d56cebdae32fdb90ad1c9d63af
SHA1c0c47cc003b49b3041281e5307957b1bd9f53fb7
SHA25656cc1c2d881d3a968c373e5c2fd86abfbde41e63b7cd9199920f434e2307d4f1
SHA51211e02302727c2e40fca1241344913d48901c99848a3c5734165231e6f247e25eedbbe951b9973c6427cf1e6a31edabd23639f992b18d2dbb6534bc728730820b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a9025f49bf327865e7205caac6cf80a
SHA1b01075c16e1f73e667b8dd74641618fd9f11f0d8
SHA256b2fefb8abca7b50da0d4debaf028d133832740ea6e5fb76af07f57a2829ec4d9
SHA51213afcab6663384772b956ed4643d021e53e5ac4cec2240ca9f862cad11a33bb8fa976a516c64273ad5d39c90f35b6e8cce00886a0978b885ddeacfd709cd9d17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5730dba7dc6eebf1d23ab70dc0fb978a1
SHA1811472513a028c9bcd98eddc011005dfa90e9332
SHA256a4b9e4e7d0ef4b7e5795e8621d310e2aac7d56bd73fccd80eedd8c3e6953dbea
SHA5129ee40a4bf85d3fc5fa8a6debe5c0df3881576b9d9ea1326fb64cb03c730bff510ddc9450f95a9115aa8ff838621c327d3b1fe175abb6e9c048cec1f05f74ccc5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544a06e9863f3b36d276a1c3f53a1305d
SHA113a8e330be80357eb8a9375ba8dccf4d74e5b70f
SHA256c48eea8a3e7d7e095b97b4ed5d61ef68805acaf55d184cf0a873594d7c053e9a
SHA51223c0aec009c4c54b1c9dd8c663d54b5c80148262313e08a8f2543bf51e898785b1978fc540ef2ba385543ac59f13b78dab0502a07a7aa17109b5f971f2e797e6
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Filesize
4.2MB
MD58d4795c6f2917391103e1343c36f34eb
SHA1a801c3ca46f98ea8c7ef32ac6b149f118204dc4d
SHA256cfd462bd2239a694e9cd0850d896ebb75d3fb332a9bc84f0a0b27a4088001295
SHA512182019d661b08d3649f2100a0eac2fa5f3064d111d8e3a32c00bd8d8dc14931a0f2d1d8bcf6245410a283f6eb9e789dcccd2e1eb4982650c0c3b3cf8a932fc55
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec