Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe
Resource
win10v2004-20240508-en
General
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Target
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe
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Size
4.1MB
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MD5
c308c23d0f561b0a432408f226918546
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SHA1
15f335c23dbbefbb7a217a92c285eb68943bdd12
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SHA256
d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b
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SHA512
9c0677305ea14fe837199981a884b028adc5492b0ca5fe959bacc3612927bada70f409c0405096765ca9b112e0916ae24933c6ec7fa9d2089a0fc92b353f66da
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SSDEEP
98304:tBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntL:tBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nF
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3192-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3192-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3192-56-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/116-57-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3192-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/116-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/116-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2884-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1132 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2884 csrss.exe 1580 injector.exe 4604 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233f3-222.dat upx behavioral1/memory/4604-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4604-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe File created C:\Windows\rss\csrss.exe d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4396 sc.exe -
pid Process 4536 powershell.exe 4084 powershell.exe 1620 powershell.exe 1312 powershell.exe 1404 powershell.exe 1948 powershell.exe 1320 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3112 schtasks.exe 3596 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.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\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-2391 = "Aleutian Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight 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" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.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,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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,-2342 = "Haiti 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1320 powershell.exe 1320 powershell.exe 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4536 powershell.exe 4536 powershell.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 4084 powershell.exe 4084 powershell.exe 1620 powershell.exe 1620 powershell.exe 1312 powershell.exe 1312 powershell.exe 1404 powershell.exe 1404 powershell.exe 1948 powershell.exe 1948 powershell.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 2884 csrss.exe 1580 injector.exe 2884 csrss.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 2884 csrss.exe 2884 csrss.exe 1580 injector.exe 1580 injector.exe 2884 csrss.exe 2884 csrss.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe 1580 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Token: SeImpersonatePrivilege 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 4084 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 1312 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeSystemEnvironmentPrivilege 2884 csrss.exe Token: SeSecurityPrivilege 4396 sc.exe Token: SeSecurityPrivilege 4396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3192 wrote to memory of 1320 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 3192 wrote to memory of 1320 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 3192 wrote to memory of 1320 3192 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 83 PID 116 wrote to memory of 4536 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 92 PID 116 wrote to memory of 4536 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 92 PID 116 wrote to memory of 4536 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 92 PID 116 wrote to memory of 3856 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 95 PID 116 wrote to memory of 3856 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 95 PID 3856 wrote to memory of 1132 3856 cmd.exe 97 PID 3856 wrote to memory of 1132 3856 cmd.exe 97 PID 116 wrote to memory of 4084 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 98 PID 116 wrote to memory of 4084 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 98 PID 116 wrote to memory of 4084 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 98 PID 116 wrote to memory of 1620 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 100 PID 116 wrote to memory of 1620 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 100 PID 116 wrote to memory of 1620 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 100 PID 116 wrote to memory of 2884 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 102 PID 116 wrote to memory of 2884 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 102 PID 116 wrote to memory of 2884 116 d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe 102 PID 2884 wrote to memory of 1312 2884 csrss.exe 103 PID 2884 wrote to memory of 1312 2884 csrss.exe 103 PID 2884 wrote to memory of 1312 2884 csrss.exe 103 PID 2884 wrote to memory of 1404 2884 csrss.exe 108 PID 2884 wrote to memory of 1404 2884 csrss.exe 108 PID 2884 wrote to memory of 1404 2884 csrss.exe 108 PID 2884 wrote to memory of 1948 2884 csrss.exe 111 PID 2884 wrote to memory of 1948 2884 csrss.exe 111 PID 2884 wrote to memory of 1948 2884 csrss.exe 111 PID 2884 wrote to memory of 1580 2884 csrss.exe 114 PID 2884 wrote to memory of 1580 2884 csrss.exe 114 PID 4604 wrote to memory of 4472 4604 windefender.exe 120 PID 4604 wrote to memory of 4472 4604 windefender.exe 120 PID 4604 wrote to memory of 4472 4604 windefender.exe 120 PID 4472 wrote to memory of 4396 4472 cmd.exe 121 PID 4472 wrote to memory of 4396 4472 cmd.exe 121 PID 4472 wrote to memory of 4396 4472 cmd.exe 121 -
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\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
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C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.exe"C:\Users\Admin\AppData\Local\Temp\d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b.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:116 -
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:4536
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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:3856 -
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:1132
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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:4084
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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:1620
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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:2884 -
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:1312
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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:3112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4532
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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:1404
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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:1948
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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:1580
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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:3596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4604 -
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:4472 -
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:4396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
MD5a75167efdaab11fdfcaf62e7013b76cf
SHA150fb35c9c246afea7c0cad8d1648df5d683d2cd3
SHA25676ddd1eae7c9e37dd78a1f7fc2f19e6cbbcb385e274dbdc3c1ad4c663de2f963
SHA512f3b673f7f92c7dd7437afadaf32dd157f7b2420a23ba84af1f6d9b24d88994e2eda00377d9dc9fbbed63e4a4b6584c70cab2316020822fe811d7eef6ad93ece0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d9e011f324a7ed61dd6fa9dce2a7714
SHA1452078b656cadccbf4516bddee1758ff328a215e
SHA256e3ce65c7138cdd883ec01abaaa5f4c74a94f3d7672ecfce1091bda8f48e3ffbc
SHA5129046f2f169644098e9ff0e49defa4ac40c0ec0a63061e48672961904915ddd548539b6c613d26a9d3109e5ffa16dcba8742ced6646e4b2949de4f2b6b2bc2ac1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e495bd8d318146b485c27059de78fde
SHA16858d730a66f72f21fd96b5db815eece8c15be33
SHA256100cea1d34669800f6eec39371dd0795e5c815abde6a7f0c6513334b3c5b21d2
SHA5129d7924256be58f118249add16f69af78bc9b607eb36bffe6789a4f595904811aba64dc6b1b64957c0e75e340f4d84162afdde24f45fb28c6d31ca2bf56376fb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d17c84f10c4888394c008f4a97dfabd
SHA19880162dd95cb29da4ff4eac07cfcd312c390be5
SHA2569c06a9b82393f642eca75020d9ff32ebaedf7d37ca4ba8a830da46a19339d79b
SHA512fd0b246c7e83620502133550440d6ad2f7c2da45f71fc3ee4591e247455b2ae235c1793fb641878f074a340a3bc85e794753ed2465ef63a11c9564e096b71d2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb281b2862dee4a90015721fdcf1575f
SHA1c5908cfa4dec9ff30a7b2347858d9c8a51bfc440
SHA256873b55e1555a99ba1c6b83764b8200f120d923a9dfed0efa201d1822a29ec851
SHA5124fc70d91ea3fc1cb57eb6d58f26d092cf52ef6e6d34788f566dfc70e91a575fc9c6e6f4cc3a15ec1857b1e1967ff6613517ba42385a3ee5238803af4900498d7
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Filesize
4.1MB
MD5c308c23d0f561b0a432408f226918546
SHA115f335c23dbbefbb7a217a92c285eb68943bdd12
SHA256d1bdaca33c026779402ea41a79ab09a30c7ffd965d3c86f0116372129055744b
SHA5129c0677305ea14fe837199981a884b028adc5492b0ca5fe959bacc3612927bada70f409c0405096765ca9b112e0916ae24933c6ec7fa9d2089a0fc92b353f66da
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec