Analysis
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max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 15:33
Static task
static1
Behavioral task
behavioral1
Sample
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe
Resource
win10v2004-20240412-en
General
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Target
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe
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Size
4.2MB
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MD5
318c6c0101122207b139238228448d1c
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SHA1
13ab59074eb8fac854c75a432bfdfecf0588e6f3
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SHA256
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28
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SHA512
aa0b92767595fe99a9da8e8c6bd50fab2257adfeb5355780fd7282cedd8ba0001cb79d4e07b470adfce625c491c49c7b573953634e2648f6f115878cb7bc78a1
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SSDEEP
49152:RKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2Sh:4OLEfT6eYBhfhWV+b2vbWNq2SbuhRc
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1664-2-0x0000000004170000-0x0000000004A5B000-memory.dmp family_glupteba behavioral1/memory/1664-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3316-56-0x0000000003EB0000-0x000000000479B000-memory.dmp family_glupteba behavioral1/memory/3316-57-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1664-81-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3316-186-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-254-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-265-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-268-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-272-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-276-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-280-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-285-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-289-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-292-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-296-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-300-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-304-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3820-308-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3424 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3820 csrss.exe 1480 injector.exe 4932 windefender.exe 3768 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4932-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3768-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3768-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3768-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe -
Drops file in Windows directory 4 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 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 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3540 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 3164 schtasks.exe 2864 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard 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)" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China 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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 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,-2571 = "Turks and Caicos Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2260 powershell.exe 2260 powershell.exe 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 4068 powershell.exe 4068 powershell.exe 4068 powershell.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe 2864 powershell.exe 2864 powershell.exe 2864 powershell.exe 796 powershell.exe 796 powershell.exe 796 powershell.exe 3556 powershell.exe 3556 powershell.exe 3556 powershell.exe 4548 powershell.exe 4548 powershell.exe 4548 powershell.exe 4332 powershell.exe 4332 powershell.exe 4332 powershell.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 3820 csrss.exe 3820 csrss.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 3820 csrss.exe 3820 csrss.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 3820 csrss.exe 3820 csrss.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe 1480 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2260 powershell.exe Token: SeDebugPrivilege 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Token: SeImpersonatePrivilege 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 796 powershell.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeSystemEnvironmentPrivilege 3820 csrss.exe Token: SeSecurityPrivilege 3540 sc.exe Token: SeSecurityPrivilege 3540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1664 wrote to memory of 2260 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1664 wrote to memory of 2260 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 1664 wrote to memory of 2260 1664 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 4068 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 4068 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 4068 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 1620 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe cmd.exe PID 3316 wrote to memory of 1620 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe cmd.exe PID 1620 wrote to memory of 3424 1620 cmd.exe netsh.exe PID 1620 wrote to memory of 3424 1620 cmd.exe netsh.exe PID 3316 wrote to memory of 2864 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 2864 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 2864 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 796 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 796 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 796 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe powershell.exe PID 3316 wrote to memory of 3820 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 3316 wrote to memory of 3820 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 3316 wrote to memory of 3820 3316 1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe csrss.exe PID 3820 wrote to memory of 3556 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 3556 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 3556 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4548 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4548 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4548 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4332 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4332 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 4332 3820 csrss.exe powershell.exe PID 3820 wrote to memory of 1480 3820 csrss.exe injector.exe PID 3820 wrote to memory of 1480 3820 csrss.exe injector.exe PID 4932 wrote to memory of 440 4932 windefender.exe cmd.exe PID 4932 wrote to memory of 440 4932 windefender.exe cmd.exe PID 4932 wrote to memory of 440 4932 windefender.exe cmd.exe PID 440 wrote to memory of 3540 440 cmd.exe sc.exe PID 440 wrote to memory of 3540 440 cmd.exe sc.exe PID 440 wrote to memory of 3540 440 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\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.exe"C:\Users\Admin\AppData\Local\Temp\1da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28.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:3316 -
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:4068
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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:1620 -
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:3424
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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:2864
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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:796
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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:3820 -
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:3556
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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:3164
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4080
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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:4548
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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:4332
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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:1480
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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:2864
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4932 -
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:440 -
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:3540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3768
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7ff73321bed56c768b0ee9ef76cdb77
SHA11b39549aaeff6a639f89168a112e6478613ec740
SHA25633f85f73f286268be654b743c2c6596f91d558c34a937ba7db8cac174f69283d
SHA512c7ba17b72c7ea809618023eec31a9bff7c9a7ddfdfebf4925465c9c2c06b151fc206f6558b8263f4681d8503957a641e4f7670f593c2ac8590587a62d389ffcb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5760c32c29d16c8a0f8b104d6eac10ce9
SHA1a5f94fb26ac4178e0c0e094e9fbef25f5d6f6792
SHA25647680898fcab2f962e12861c2cfeaa4a94195ee7cdadb57c9c5825209765b591
SHA512144289556402259bb2df38cf427761859980204f1f5f03981aa2643011ce72e6585f88d3daa3a6bfc186ddbc02005d10bab71c0a12a4e48238050a9961321a21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c6c8fe968d5422dd1450047ecaaebb3
SHA1618192d75466e8803af35a3a9e795d832ff6e194
SHA256b4f98300081bdac84020d4c33df36100034b8af8f9c7a5eedbae56aeec132d55
SHA512d6266466a05b91601a42fcc41bf3a4e6479a1eb2ea8af43bd27f5256d2ebf73612a4a3323b74bd8edda07a114ddc1f17bf30a4ae37dc1365f49e399ac5cbab26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5813176f3718b2aae331de7c70ecb9481
SHA10c4631750f3b90fbd7a98f3ef275424ad2b844d4
SHA256150a47bf6278f644aa6b1453ea5693e63a84cd4b1b1a324a49e6daaa15793ec3
SHA512300e1892afe869ab50e2984b18b84973d26e2f08dfd34632da5d6e19788ad2f223ae15a99bc2e1e55e464ab4f02819e94923f5c7a88839ace2997efec4207150
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d40c6bdee4531a7bd9ae71916a6e75b
SHA163af8b8fefb6409ead535b38a1dff25190f6efcd
SHA25690166c0868c7284406c1f75c9c740f6429dc6b7cb1af6307fdaf5debcb603ba1
SHA512c808fe037664e7426085475106cd1f0456c9794d80c5fce4077765fcf4913ad50f184c2acdf04fdc1c9429a6935b29e4f6b9708754afd18fdd5e9cb96dcd91f9
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Filesize
4.2MB
MD5318c6c0101122207b139238228448d1c
SHA113ab59074eb8fac854c75a432bfdfecf0588e6f3
SHA2561da2de0c9619d129aae19bd93bd7fa92266f96d0faedb75d45168113a6667a28
SHA512aa0b92767595fe99a9da8e8c6bd50fab2257adfeb5355780fd7282cedd8ba0001cb79d4e07b470adfce625c491c49c7b573953634e2648f6f115878cb7bc78a1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec