Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 16:11
Static task
static1
Behavioral task
behavioral1
Sample
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe
Resource
win10v2004-20240412-en
General
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Target
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe
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Size
4.2MB
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MD5
cf2c9f47ee207b14419adac5e185cfb6
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SHA1
1214365de71a48e798998e5c0947f4fffaf7f030
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SHA256
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759
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SHA512
37f84ad5fa5ac5e4e3b3ef92ce2dbc05018a3c7b07e82e562d2598e7898c41b18239a57c45ba1d07b4c857338b7ff32d84e60f7769a9569f2f6a4c19c68fa82c
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SSDEEP
49152:wr1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8M:wBcwtA9b44emOBqNRUORBLE4Ajzb
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3364-2-0x0000000004250000-0x0000000004B3B000-memory.dmp family_glupteba behavioral2/memory/3364-3-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/1736-53-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral2/memory/1736-54-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3364-78-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/1736-146-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-241-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-251-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-254-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-257-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-260-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-263-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-266-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-269-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-272-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-275-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-278-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-281-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba behavioral2/memory/3756-284-0x0000000000400000-0x0000000001DF8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3820 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3756 csrss.exe 2936 injector.exe 2356 windefender.exe 972 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2356-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/972-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/972-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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:
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe File created C:\Windows\rss\csrss.exe 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4684 sc.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 4712 schtasks.exe 1648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exepowershell.exe59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5052 powershell.exe 5052 powershell.exe 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 4508 powershell.exe 4508 powershell.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe 1976 powershell.exe 1976 powershell.exe 2252 powershell.exe 2252 powershell.exe 4948 powershell.exe 4948 powershell.exe 3748 powershell.exe 3748 powershell.exe 3708 powershell.exe 3708 powershell.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 3756 csrss.exe 3756 csrss.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 3756 csrss.exe 3756 csrss.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 3756 csrss.exe 3756 csrss.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe 2936 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Token: SeImpersonatePrivilege 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 1976 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 3748 powershell.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeSystemEnvironmentPrivilege 3756 csrss.exe Token: SeSecurityPrivilege 4684 sc.exe Token: SeSecurityPrivilege 4684 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3364 wrote to memory of 5052 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 3364 wrote to memory of 5052 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 3364 wrote to memory of 5052 3364 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 4508 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 4508 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 4508 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 1588 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe cmd.exe PID 1736 wrote to memory of 1588 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe cmd.exe PID 1588 wrote to memory of 3820 1588 cmd.exe netsh.exe PID 1588 wrote to memory of 3820 1588 cmd.exe netsh.exe PID 1736 wrote to memory of 1976 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 1976 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 1976 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 2252 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 2252 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 2252 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe powershell.exe PID 1736 wrote to memory of 3756 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe csrss.exe PID 1736 wrote to memory of 3756 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe csrss.exe PID 1736 wrote to memory of 3756 1736 59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe csrss.exe PID 3756 wrote to memory of 4948 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 4948 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 4948 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3748 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3748 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3748 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3708 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3708 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 3708 3756 csrss.exe powershell.exe PID 3756 wrote to memory of 2936 3756 csrss.exe injector.exe PID 3756 wrote to memory of 2936 3756 csrss.exe injector.exe PID 2356 wrote to memory of 4560 2356 windefender.exe cmd.exe PID 2356 wrote to memory of 4560 2356 windefender.exe cmd.exe PID 2356 wrote to memory of 4560 2356 windefender.exe cmd.exe PID 4560 wrote to memory of 4684 4560 cmd.exe sc.exe PID 4560 wrote to memory of 4684 4560 cmd.exe sc.exe PID 4560 wrote to memory of 4684 4560 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe"C:\Users\Admin\AppData\Local\Temp\59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Users\Admin\AppData\Local\Temp\59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.exe"C:\Users\Admin\AppData\Local\Temp\59f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759.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:1736 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4508
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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:1588 -
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:3820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2252
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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:3756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948
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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:4712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3708
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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:2936
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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:1648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2356 -
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:4560 -
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:4684
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:972
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
MD5c39045b0763d2551fb778d82b63fc9b4
SHA13f022d658994c341a92bcf2663623243c9a4f5a5
SHA2565cb0eb4165d5294c2e35d547b4fd2c9c4f8a6705b5e7df97fda216076dd90cfa
SHA5127f7e3999f2cc628b4ec2c31bef2ae06078904186ae132413ade7eedfce47b6423a2897679daa4169b4213d2a3e0a63cb991d893ed1704317d080ca607b8de203
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5276e04e0a51077047cd8d03d69b229fd
SHA16fac6299c9d49e946b632d733c278e320908cdf5
SHA25668845e711e20ab5f82304b891d5d8828c1a580ae85c3d36d33210e82814d40f0
SHA51276963a6bb449d6bb5adac41e8d33d494bf56e31d218dbd222da6a17a46f7aa599fd81a483ed17b464bb8090a3420054b1d95d432ca9d1c1d80eecde56783940d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5c8e7d0c3e1bf79eb20bafc68caa35d
SHA1d59ac9b0398607f7fad32da72bbe723664de0e2c
SHA256aaf054f56cf243378ce7a4750b349f4c5e982c865e2ade7e3afe9f24e998d6ee
SHA5122e1e2c14056a909e45e76c078711f2dbb536804af4b0bb9c366bd7169d4306b0c42bb4a5672a74447fe605bc53dd96eb221d41816f46ec28ee5a5cb06785d6db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5103b5c7436c6e9aec8f10d6909834805
SHA1c0feeead7b934e488e428c6f824450ca0980fba6
SHA25665becf003916e28f5e426c954cd076ba5722a84dc667f0df10281abfd0c8fc9f
SHA51202bb04cbc6f3e1caf2804e7f9403f14335fa01430552f2748a5dbf2ad2244c30e3b9659d3e38fa8ec323c72b1de88f2d1047e17c583bc796806713034f8ec185
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8555a56f1893cbfcf690aec0641f68a
SHA11e745e38f47fa72ca7769ee4ac1e9e6c9c788bbc
SHA25615a30ac510294769899a02c886c21f7af70de4f12b400b154110ae14797853c7
SHA51276fe152e7b9b876de1a72df809c6c723f0554db3da749f64c2e038df11adfe598a005bbcc66c06ef37efc50a730a4b48e102d64c9c843620e2428aaa5c19bbc0
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Filesize
4.2MB
MD5cf2c9f47ee207b14419adac5e185cfb6
SHA11214365de71a48e798998e5c0947f4fffaf7f030
SHA25659f149b1c04d3a73d6d9fd658f881c91021ba67733b0c377be2eda6c6fb9a759
SHA51237f84ad5fa5ac5e4e3b3ef92ce2dbc05018a3c7b07e82e562d2598e7898c41b18239a57c45ba1d07b4c857338b7ff32d84e60f7769a9569f2f6a4c19c68fa82c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec