Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe
Resource
win10v2004-20240412-en
General
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Target
98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe
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Size
4.2MB
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MD5
415fb81fc68d3b8991f1e9cc5bba4455
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SHA1
e17f10033b114c0cf0e77750ad79c1382c8b0aa4
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SHA256
98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a
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SHA512
e3103302bc8c9c8c22de19521963c04ebb8c7e355992532687b1711258d02d646a60f7055b4c54034a0024ccca82e23c88f41a915b2529957ea3316d68ef7d05
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SSDEEP
98304:J00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGl:LpJcNpX++PyaASVpB6kg
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4496-2-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral1/memory/4496-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4960-56-0x0000000003E90000-0x000000000477B000-memory.dmp family_glupteba behavioral1/memory/4960-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4496-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4960-144-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4960-151-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2816-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2664 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2816 csrss.exe 2732 injector.exe 4172 windefender.exe 116 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023426-255.dat upx behavioral1/memory/4172-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/116-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/116-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.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 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3096 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3636 4496 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2028 schtasks.exe 2236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-831 = "SA Eastern 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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific 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\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.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\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-2751 = "Tomsk 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,-1871 = "Russia TZ 7 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1668 powershell.exe 1668 powershell.exe 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4888 powershell.exe 4888 powershell.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 3512 powershell.exe 3512 powershell.exe 3472 powershell.exe 3472 powershell.exe 4116 powershell.exe 4116 powershell.exe 1632 powershell.exe 1632 powershell.exe 5076 powershell.exe 5076 powershell.exe 5076 powershell.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2816 csrss.exe 2816 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2816 csrss.exe 2816 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2816 csrss.exe 2816 csrss.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe 2732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Token: SeImpersonatePrivilege 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeSystemEnvironmentPrivilege 2816 csrss.exe Token: SeSecurityPrivilege 3096 sc.exe Token: SeSecurityPrivilege 3096 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4496 wrote to memory of 1668 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 89 PID 4496 wrote to memory of 1668 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 89 PID 4496 wrote to memory of 1668 4496 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 89 PID 4960 wrote to memory of 4888 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 101 PID 4960 wrote to memory of 4888 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 101 PID 4960 wrote to memory of 4888 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 101 PID 4960 wrote to memory of 4336 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 103 PID 4960 wrote to memory of 4336 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 103 PID 4336 wrote to memory of 2664 4336 cmd.exe 105 PID 4336 wrote to memory of 2664 4336 cmd.exe 105 PID 4960 wrote to memory of 3512 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 106 PID 4960 wrote to memory of 3512 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 106 PID 4960 wrote to memory of 3512 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 106 PID 4960 wrote to memory of 3472 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 108 PID 4960 wrote to memory of 3472 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 108 PID 4960 wrote to memory of 3472 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 108 PID 4960 wrote to memory of 2816 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 112 PID 4960 wrote to memory of 2816 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 112 PID 4960 wrote to memory of 2816 4960 98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe 112 PID 2816 wrote to memory of 4116 2816 csrss.exe 113 PID 2816 wrote to memory of 4116 2816 csrss.exe 113 PID 2816 wrote to memory of 4116 2816 csrss.exe 113 PID 2816 wrote to memory of 1632 2816 csrss.exe 120 PID 2816 wrote to memory of 1632 2816 csrss.exe 120 PID 2816 wrote to memory of 1632 2816 csrss.exe 120 PID 2816 wrote to memory of 5076 2816 csrss.exe 123 PID 2816 wrote to memory of 5076 2816 csrss.exe 123 PID 2816 wrote to memory of 5076 2816 csrss.exe 123 PID 2816 wrote to memory of 2732 2816 csrss.exe 125 PID 2816 wrote to memory of 2732 2816 csrss.exe 125 PID 4172 wrote to memory of 3708 4172 windefender.exe 133 PID 4172 wrote to memory of 3708 4172 windefender.exe 133 PID 4172 wrote to memory of 3708 4172 windefender.exe 133 PID 3708 wrote to memory of 3096 3708 cmd.exe 134 PID 3708 wrote to memory of 3096 3708 cmd.exe 134 PID 3708 wrote to memory of 3096 3708 cmd.exe 134 -
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\98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe"C:\Users\Admin\AppData\Local\Temp\98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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C:\Users\Admin\AppData\Local\Temp\98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.exe"C:\Users\Admin\AppData\Local\Temp\98d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a.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:4960 -
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:4888
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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:4336 -
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:2664
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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:3512
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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:3472
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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:2816 -
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:4116
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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:2028
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2764
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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:1632
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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:5076
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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:2732
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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:2236
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4172 -
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:3708 -
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:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 9762⤵
- Program crash
PID:3636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4496 -ip 44961⤵PID:2612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:116
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
MD55e05a54397c41ddc669a56fca5bef421
SHA1c9396fcf529f16ac8021a69b641524b7455eca1d
SHA256e1e673e7adee04a63461cd7a0941303e34bdfb19364c1692d5380140ced5a37f
SHA51242ed03a8a52fa6ffdbba977f121439f62f8e09ed03343aa3fc54e2e5cfeccebad7a991d9ffcb06eb489871bf6364e74784877a2e84d5bdc684043fd9c8477999
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5551aa2c425c37311efcf80a3b11d046e
SHA1dd28e21cb14d02cfabe5fcc91e188f43840d8d2c
SHA25649203b12b407084a915ac158966047535eaaf88317fed5f1594c4ec49eb3ac31
SHA512b468076a416eb30dd0442e8a06f934396d33359ff07eba0822726c6613c33f5877c82244b73b499ee0952004abf20cf408c3e1d4ffed0e677e963f5822857df3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55faa66fff91c2174d3ef933e60d1a24b
SHA176adf74ba9b73881f89defb2a99b11cbad75be21
SHA2569409a7f0a4320f56e8cd055720da7d752caaa61bab62300322d4bb7d32579dd7
SHA512d9ded9150e8d5123ac6dc19214dc06bfc8704cd5e08d946b35d5f2d198f8c9471ff1319eef88381fd61f76d8e57c8eda02c9a6060d25de1c4378ad4379b2dc78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50eedd3642e28c0e1f9672611e8ad2de4
SHA1d86598a9fe9d9ef9f568d6a4b066ad5044313045
SHA2561bc894793b33ee0e89cbbe40d09f3fdfaec633938a18f05a24d796caa5f8ccef
SHA512b9faa748e20ae464020cddead26c3bab4cacad7c8b7c2583c16c5f43d81b8a2c4184dc863ba4a4ed0c9f641cd3bd66004ba064711c42d14b1830be2b2e8026d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526b1db34c7f1db26aa73e6cb42e092e0
SHA189943699ba9d0c5feb42ee900cbddffd3d673fe4
SHA256123717853b9d79ed59ac77f449f48cc63a477c51594cd515cf25f5efab132359
SHA5126afca719842c4313ff63ebc9fccb3c88a7026d40c131b16eeeda8727072a1b8ca19fb7055aeded7c6e921d91371670b3690ed86cac13911147ff5e36e1323bd8
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Filesize
4.2MB
MD5415fb81fc68d3b8991f1e9cc5bba4455
SHA1e17f10033b114c0cf0e77750ad79c1382c8b0aa4
SHA25698d34dba0ceaa1c2b49eeab0f748708ec9d4d1decc7cc6ef7e6c46659bbe408a
SHA512e3103302bc8c9c8c22de19521963c04ebb8c7e355992532687b1711258d02d646a60f7055b4c54034a0024ccca82e23c88f41a915b2529957ea3316d68ef7d05
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec