Analysis
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max time kernel
149s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 behavioral2/memory/4264-2-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/4264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4264-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4264-54-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/4264-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3380-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-203-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4164-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2620 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4164 csrss.exe 2636 injector.exe 4888 windefender.exe 564 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa47-209.dat upx behavioral2/memory/4888-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/564-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/564-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/564-218-0x0000000000400000-0x00000000008DF000-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-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
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 2076 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3296 powershell.exe 1260 powershell.exe 832 powershell.exe 2336 powershell.exe 916 powershell.exe 3276 powershell.exe 4436 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 1192 schtasks.exe 3864 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight 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,-2341 = "Haiti Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.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,-371 = "Jerusalem Daylight 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,-2181 = "Astrakhan Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.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,-232 = "Hawaiian 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,-365 = "Middle East Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian 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\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3296 powershell.exe 3296 powershell.exe 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 1260 powershell.exe 1260 powershell.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 832 powershell.exe 832 powershell.exe 2336 powershell.exe 2336 powershell.exe 916 powershell.exe 916 powershell.exe 3276 powershell.exe 3276 powershell.exe 4436 powershell.exe 4436 powershell.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 4164 csrss.exe 4164 csrss.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 4164 csrss.exe 4164 csrss.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 4164 csrss.exe 4164 csrss.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe 2636 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Token: SeImpersonatePrivilege 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeDebugPrivilege 832 powershell.exe Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeSystemEnvironmentPrivilege 4164 csrss.exe Token: SeSecurityPrivilege 2076 sc.exe Token: SeSecurityPrivilege 2076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4264 wrote to memory of 3296 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 79 PID 4264 wrote to memory of 3296 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 79 PID 4264 wrote to memory of 3296 4264 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 79 PID 3380 wrote to memory of 1260 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 84 PID 3380 wrote to memory of 1260 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 84 PID 3380 wrote to memory of 1260 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 84 PID 3380 wrote to memory of 2224 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 86 PID 3380 wrote to memory of 2224 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 86 PID 2224 wrote to memory of 2620 2224 cmd.exe 88 PID 2224 wrote to memory of 2620 2224 cmd.exe 88 PID 3380 wrote to memory of 832 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 89 PID 3380 wrote to memory of 832 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 89 PID 3380 wrote to memory of 832 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 89 PID 3380 wrote to memory of 2336 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 91 PID 3380 wrote to memory of 2336 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 91 PID 3380 wrote to memory of 2336 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 91 PID 3380 wrote to memory of 4164 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 93 PID 3380 wrote to memory of 4164 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 93 PID 3380 wrote to memory of 4164 3380 2abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d.exe 93 PID 4164 wrote to memory of 916 4164 csrss.exe 94 PID 4164 wrote to memory of 916 4164 csrss.exe 94 PID 4164 wrote to memory of 916 4164 csrss.exe 94 PID 4164 wrote to memory of 3276 4164 csrss.exe 99 PID 4164 wrote to memory of 3276 4164 csrss.exe 99 PID 4164 wrote to memory of 3276 4164 csrss.exe 99 PID 4164 wrote to memory of 4436 4164 csrss.exe 102 PID 4164 wrote to memory of 4436 4164 csrss.exe 102 PID 4164 wrote to memory of 4436 4164 csrss.exe 102 PID 4164 wrote to memory of 2636 4164 csrss.exe 104 PID 4164 wrote to memory of 2636 4164 csrss.exe 104 PID 4888 wrote to memory of 4784 4888 windefender.exe 110 PID 4888 wrote to memory of 4784 4888 windefender.exe 110 PID 4888 wrote to memory of 4784 4888 windefender.exe 110 PID 4784 wrote to memory of 2076 4784 cmd.exe 111 PID 4784 wrote to memory of 2076 4784 cmd.exe 111 PID 4784 wrote to memory of 2076 4784 cmd.exe 111 -
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:4264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3296
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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:3380 -
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:1260
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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:2224 -
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:2620
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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:832
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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:2336
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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:4164 -
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:916
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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:1192
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:132
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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:3276
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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:4436
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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:2636
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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:3864
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4888 -
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:4784 -
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:2076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:564
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d20e7e5bfac5d8dbabda4daca13e4cc
SHA125b282c18cfa0b3b7fb0f472af405dd3a3916871
SHA256fa3168535966c9edb085404e66c272f52ec1bbca41ab6c7362f2d0cde09fd26f
SHA51287d7db46258ddcdc48a35c976456f6cc41b9410c2382a97f576268c137e90f496a654ba6d2d5eceb5107862c359b99c03ba35b92b1451425e73551a50e808a56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4c19a922528b33ad6643a4ddb3971b8
SHA12ca5d6e33080343eda653c9c6918be23d6566cbb
SHA256fa1a168394d0daceb3664263fc9d21ced80f320ff20b1c3da52ce879e6477d0b
SHA512a8372535af8ae695e277ae003400313bc620cdecd49fbc59020b3a30af8328b1d459ef3746cb7c9ad8e0cdc6a4bba53039aebc5c995a61cdebb3fe1904707e77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bdedb36dfd4dda0ff18f6acfce8738e
SHA1f07df548a78fd8bc0cbf7042af2ec3a59cc1a21c
SHA256053c7accdba275957357903cebadf64f3fff8176ca0a9715c84a2c4747b3124a
SHA512d373bad2a069538ddb1e9c2b3865a019f6bb37d5d78997deec2973894f1916885358725ff95323c60051601a972fc2463162c7a51016fc0ca792ba24f2fa9d61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53be0748735524e333d50a74ef22b7f1e
SHA1526d53e2434ca6fb04343dddcfa5bdb15fbf0411
SHA256be0216196cb20b5764a16a2a583312d753da1e03dd07b428a1eea88d7ecbf399
SHA512b3df1ef084254a0116898966ca5ce6e7c6c473d58a5f7e4aaec8d1f494243dc294d60e7d85092784b1b47214d6da11183bae6ede043b898d20c72f9d63a67b53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589652116d88c5e37fae4d52374900da5
SHA1d3808148013a844ef6137ae3ad209cafa8ff7972
SHA2560d5b2eefa6f852a2735a5e914566333707af913ebf1745d44bd414e655d4b019
SHA5122a23538e93d1a4f1498e632b1e225d9aa25257c33d2807b5c05c72abdb9333c35546a88056a82b61a9d78ecff53e8636db251b52fb3dce55580219e9cc2abc23
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Filesize
4.1MB
MD549457568d7537c98393f776bd0af8050
SHA17996052316184c3a0e84e0a548bea0a71034810a
SHA2562abd8ebb3507e8b958449062db017a8e9a15857eb84ad907e13d19c59fe2537d
SHA512d3f4b33e7cfd52225553782316bb5bd73e1cdc34c9627b5a8eba9133316c47024dff8cee8382e4e280d9680a290868a337d0e19609da878af2acc07ca4f5e516
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec