Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 07:08
Static task
static1
Behavioral task
behavioral1
Sample
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe
Resource
win10v2004-20240508-en
General
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Target
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe
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Size
4.1MB
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MD5
db4f7eb55f7212735898dbd9a789aa73
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SHA1
3755fda9e3be2b3a71565da6b2301c77f3467b24
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SHA256
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3
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SHA512
f61174c2e6d1e2c42f5ff3a8da37609382a56f078047e04315caa4dc6896fbfc921727b67b044012410d4d553763b6a37d39e22b72c246798b69f379897261a3
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SSDEEP
98304:40IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLu:jIU7SlV8K2X2AhEHFgekcR
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/5044-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5044-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/5044-66-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/5044-63-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4916-72-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/5044-96-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-124-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-199-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-211-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-216-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-219-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-223-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-227-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-232-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2800-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 684 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2800 csrss.exe 2924 injector.exe 2260 windefender.exe 3204 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2260-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2260-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3204-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe -
Drops file in Windows directory 4 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.execsrss.exedescription ioc process File opened for modification C:\Windows\rss c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe File created C:\Windows\rss\csrss.exe c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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 3216 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1908 powershell.exe 4080 powershell.exe 1556 powershell.exe 3268 powershell.exe 3912 powershell.exe 3608 powershell.exe 4892 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3380 1908 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 2896 schtasks.exe 3916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.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\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-1911 = "Russia TZ 10 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" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard 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,-2432 = "Cuba Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1908 powershell.exe 1908 powershell.exe 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4080 powershell.exe 4080 powershell.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe 1556 powershell.exe 1556 powershell.exe 3268 powershell.exe 3268 powershell.exe 3912 powershell.exe 3912 powershell.exe 3608 powershell.exe 3608 powershell.exe 4892 powershell.exe 4892 powershell.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2800 csrss.exe 2800 csrss.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2800 csrss.exe 2800 csrss.exe 2924 injector.exe 2924 injector.exe 2800 csrss.exe 2800 csrss.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe 2924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Token: SeImpersonatePrivilege 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 3608 powershell.exe Token: SeDebugPrivilege 4892 powershell.exe Token: SeSystemEnvironmentPrivilege 2800 csrss.exe Token: SeSecurityPrivilege 3216 sc.exe Token: SeSecurityPrivilege 3216 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exec74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5044 wrote to memory of 1908 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 5044 wrote to memory of 1908 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 5044 wrote to memory of 1908 5044 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 4080 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 4080 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 4080 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 1208 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe cmd.exe PID 4916 wrote to memory of 1208 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe cmd.exe PID 1208 wrote to memory of 684 1208 cmd.exe netsh.exe PID 1208 wrote to memory of 684 1208 cmd.exe netsh.exe PID 4916 wrote to memory of 1556 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 1556 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 1556 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 3268 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 3268 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 3268 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe powershell.exe PID 4916 wrote to memory of 2800 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 4916 wrote to memory of 2800 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 4916 wrote to memory of 2800 4916 c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe csrss.exe PID 2800 wrote to memory of 3912 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 3912 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 3912 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 3608 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 3608 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 3608 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 4892 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 4892 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 4892 2800 csrss.exe powershell.exe PID 2800 wrote to memory of 2924 2800 csrss.exe injector.exe PID 2800 wrote to memory of 2924 2800 csrss.exe injector.exe PID 2260 wrote to memory of 1332 2260 windefender.exe cmd.exe PID 2260 wrote to memory of 1332 2260 windefender.exe cmd.exe PID 2260 wrote to memory of 1332 2260 windefender.exe cmd.exe PID 1332 wrote to memory of 3216 1332 cmd.exe sc.exe PID 1332 wrote to memory of 3216 1332 cmd.exe sc.exe PID 1332 wrote to memory of 3216 1332 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\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 24723⤵
- Program crash
PID:3380 -
C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.exe"C:\Users\Admin\AppData\Local\Temp\c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3.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:4916 -
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:4080 -
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:1208 -
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:684 -
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:1556 -
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:3268 -
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:2800 -
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:3912 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2896 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4816
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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:3608 -
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:4892 -
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:2924 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3916 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2260 -
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:1332 -
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:3216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1908 -ip 19081⤵PID:2220
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3204
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
MD5002f00c37bd3589bcad40dbf9ae63016
SHA15f88550a08aeb5a72b1fbdaf18d703cd4d2fc625
SHA256a88ecb083ba72b3facdd73042c5c791169b451da2fe97912156d39a9a1d9d198
SHA512ac0c9a5fbfb2f7b9b45e6773551b43b1102b2093d927e7b6e5b8deca223ee249b89165e5fb7aa35d8b04cd3441b87a5a345cacc395e4ccb6ce6e799997a430b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53714d71f18f96e5b2a93b68f31483c52
SHA104dbef1d18ee6bbdf444056d289e6b9bf4d8dfe1
SHA25670e2dbff91151ba0989077e5a4be88f27c91e8584e3f1f0ffc8908e7d7fd719a
SHA512e233d1abf533ef04d6cf1fb710132191110612cefb7530dd8c09fa56ad555d2f4af047d0cd8b64a6a8b8d7c47654f53d007bab5bcfb1b19c9fef464c0abf1c77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d84167ae5cd6ccdd56779ce28f8a7ba8
SHA12cc78a75bf0174a577689a082a4a41889c4cd424
SHA256267223805ac1f325e74c1cff0e20155cd1e55f6a3c5d5fe8f51c11fa03fe6be4
SHA51248fe351a399ac1d938cd28da251413859c78bf318936b0354182b35315ec96a7006ce8b2320661261a92462c55be7ccab8ad92ddc380de341313597989ab4c9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50feb634c77f13e12e066f309190763b5
SHA122ee648e315af7a8f88c8fc9c83f6c176a443f8c
SHA2566e12e3af79b5f0764e1ddc5778b3bef4fb8ae218d116b6afdd07022781c69478
SHA51258745ee5d31c51aeb13087d2f62d3698337ca726273eb20f744fb815ec2676b87e90d6b31a9e90ec41d2f06502bf73a2edf06bebff49bb91c7bf06c510ab1f74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b0e3ea0dbb14ef6f8399cb76580b6ac
SHA1ed0141111edfed99e3816fe34c61597e3c55cbb1
SHA25656497d9e2b133190351c68180f06900113f219bac4239cfc34bfffd060d2f2fd
SHA512ed684625b38f172137560bdf525a1d364e28bc45ba5699a87e69f36f64ca844d9d6962cc76e5678bcbb27c83f97a48ed72846533146d3f2283549e1ae76c88f8
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Filesize
4.1MB
MD5db4f7eb55f7212735898dbd9a789aa73
SHA13755fda9e3be2b3a71565da6b2301c77f3467b24
SHA256c74c5c82efe83e576d5e7176a7f887d9510ffd3ce3498922b98cad8213a34cc3
SHA512f61174c2e6d1e2c42f5ff3a8da37609382a56f078047e04315caa4dc6896fbfc921727b67b044012410d4d553763b6a37d39e22b72c246798b69f379897261a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec