Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:36
Static task
static1
Behavioral task
behavioral1
Sample
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe
Resource
win10v2004-20240426-en
General
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Target
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe
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Size
4.1MB
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MD5
49457568d7537c98393f776bd0af8050
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SHA1
7996052316184c3a0e84e0a548bea0a71034810a
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SHA256
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d
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SHA512
d3f4b33e7cfd52225553782316bb5bd73e1cdc34c9627b5a8eba9133316c47024dff8cee8382e4e280d9680a290868a337d0e19609da878af2acc07ca4f5e516
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SSDEEP
98304:Wk/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6M:Wn6bazjovoyoHfX3/GYHj
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1772-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/1772-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1772-57-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/1772-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3596-135-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1500-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Blocklisted process makes network request 1 IoCs
Processes:
flow pid Process 24 2256 -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4728 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1500 csrss.exe 1156 injector.exe 2864 windefender.exe 4208 windefender.exe -
Processes:
resource yara_rule behavioral1/memory/2864-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00080000000234aa-224.dat upx behavioral1/memory/4208-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2864-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4208-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe -
Drops file in Windows directory 4 IoCs
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe File created C:\Windows\rss\csrss.exe 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.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 4728 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4296 powershell.exe 1644 powershell.exe 3088 powershell.exe 2256 powershell.exe 2392 powershell.exe 3760 powershell.exe 1592 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 664 1772 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 1984 schtasks.exe 2996 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exepowershell.exepowershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.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,-281 = "Central Europe Daylight Time" windefender.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\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1592 powershell.exe 1592 powershell.exe 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 4296 powershell.exe 4296 powershell.exe 4296 powershell.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 1644 powershell.exe 1644 powershell.exe 1644 powershell.exe 3088 powershell.exe 3088 powershell.exe 3088 powershell.exe 2256 powershell.exe 2256 powershell.exe 2256 powershell.exe 2392 powershell.exe 2392 powershell.exe 2392 powershell.exe 3760 powershell.exe 3760 powershell.exe 3760 powershell.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1500 csrss.exe 1500 csrss.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1500 csrss.exe 1500 csrss.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1500 csrss.exe 1500 csrss.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe 1156 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Token: SeImpersonatePrivilege 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 3088 powershell.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 3760 powershell.exe Token: SeSystemEnvironmentPrivilege 1500 csrss.exe Token: SeSecurityPrivilege 4728 sc.exe Token: SeSecurityPrivilege 4728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1772 wrote to memory of 1592 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 87 PID 1772 wrote to memory of 1592 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 87 PID 1772 wrote to memory of 1592 1772 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 87 PID 3596 wrote to memory of 4296 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 99 PID 3596 wrote to memory of 4296 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 99 PID 3596 wrote to memory of 4296 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 99 PID 3596 wrote to memory of 4836 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 103 PID 3596 wrote to memory of 4836 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 103 PID 4836 wrote to memory of 4728 4836 cmd.exe 130 PID 4836 wrote to memory of 4728 4836 cmd.exe 130 PID 3596 wrote to memory of 1644 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 106 PID 3596 wrote to memory of 1644 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 106 PID 3596 wrote to memory of 1644 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 106 PID 3596 wrote to memory of 3088 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 110 PID 3596 wrote to memory of 3088 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 110 PID 3596 wrote to memory of 3088 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 110 PID 3596 wrote to memory of 1500 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 112 PID 3596 wrote to memory of 1500 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 112 PID 3596 wrote to memory of 1500 3596 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 112 PID 1500 wrote to memory of 2256 1500 csrss.exe 113 PID 1500 wrote to memory of 2256 1500 csrss.exe 113 PID 1500 wrote to memory of 2256 1500 csrss.exe 113 PID 1500 wrote to memory of 2392 1500 csrss.exe 119 PID 1500 wrote to memory of 2392 1500 csrss.exe 119 PID 1500 wrote to memory of 2392 1500 csrss.exe 119 PID 1500 wrote to memory of 3760 1500 csrss.exe 121 PID 1500 wrote to memory of 3760 1500 csrss.exe 121 PID 1500 wrote to memory of 3760 1500 csrss.exe 121 PID 1500 wrote to memory of 1156 1500 csrss.exe 123 PID 1500 wrote to memory of 1156 1500 csrss.exe 123 PID 2864 wrote to memory of 4256 2864 windefender.exe 129 PID 2864 wrote to memory of 4256 2864 windefender.exe 129 PID 2864 wrote to memory of 4256 2864 windefender.exe 129 PID 4256 wrote to memory of 4728 4256 cmd.exe 130 PID 4256 wrote to memory of 4728 4256 cmd.exe 130 PID 4256 wrote to memory of 4728 4256 cmd.exe 130 -
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\2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe"C:\Users\Admin\AppData\Local\Temp\2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1592
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C:\Users\Admin\AppData\Local\Temp\2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe"C:\Users\Admin\AppData\Local\Temp\2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.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:3596 -
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:4296
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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:4836 -
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:4728
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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:1644
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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:3088
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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:1500 -
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:2256
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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:2996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4464
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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:2392
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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:3760
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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:1156
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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:1984
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2864 -
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:4256 -
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:4728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 8522⤵
- Program crash
PID:664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1772 -ip 17721⤵PID:3412
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4208
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
MD5300602552cde8d0e7ec58ee0a7c6b0c2
SHA1ba7efcd430ecf727b200af99951e2e0006e20345
SHA25682c9d3966fa1b3a633f822681c674b6a1e9008a946f556a04f07ecd16073674f
SHA512d931177c3ea19bd00cea212db5af9a74459b76046e53922a751a3f1240a348c8863d35afa87e9930783a561bfe8698d74997550aae7615f362f6c05d08bfa7a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f652062abc9c3522df00b1f709be78d
SHA1b0c3e7ece6cc281e4e92131f264a6cb5cef3beb6
SHA2566b0b3611be3edc7e158bff2ed2622e8da93d292bf32b5aafcc1467795609c079
SHA51269d980bc569e8934ec0ca56cc949317bdd83104ee394d4e89ecb7f51e8981e0115c7de0e9e9e2f2c10f1963cdaa1eab2c7f3f5f551d9d23fc91f0a5743d88ce1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b995565d6809d2c7ca2a350802ea19a
SHA129d074c5c8ab3d3f2c0e2affed9d85283be310fb
SHA2561a63bdab2561041362fa2c29e3bcb35224f35dbd1ff5d8c32a44575c6d8af8e7
SHA512cf1b970b18f0cc422738f609ec985bc2b6af7fcf04be72958b6189b727e3a5743eec14cff63c1e5eb49863d92c5571b73852c73fc7c2b980c1b173fa889378ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59245b17f8a0c1612a3ddd50e2df1eb43
SHA1f6eb7236cb09e8a98dc4e3486c9a7cc5d8ca99f8
SHA25687686d26cfc23aa68ecf9cfb682b0288dd854b3a9cd1dca885faaa71893d0158
SHA5129f18c1d2df47c87b91536c67b93d6c91b2eb04bb4395b13df87824970fd651b980ca4b2fbf7e46d5c79e01cc697f31c89a388ffffc8a3e435e44cbe435083242
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b14e7e1e7c372921b4257ba0a6334cf3
SHA1a284abd6db63f745d75da8b871f03184aa17396f
SHA256ca3a85536c2ee0eb9ba076f58e2d66d8a142fccb74b8c0dd7bf280636c00bf82
SHA5120903cfe3f20a0cb5d288f031f0c590c4541e6ab8849395c39f32ebd760460b9428061fa728944cd7b68c5403fd47c9fd3e51b467d8ab4984c5bd555e0da56b9e
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Filesize
4.1MB
MD549457568d7537c98393f776bd0af8050
SHA17996052316184c3a0e84e0a548bea0a71034810a
SHA2562abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d
SHA512d3f4b33e7cfd52225553782316bb5bd73e1cdc34c9627b5a8eba9133316c47024dff8cee8382e4e280d9680a290868a337d0e19609da878af2acc07ca4f5e516
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec