Analysis
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max time kernel
150s -
max time network
140s -
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 08:23
Static task
static1
Behavioral task
behavioral1
Sample
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe
Resource
win10v2004-20240412-en
General
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Target
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe
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Size
4.2MB
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MD5
db5386b0017bea7240c4b49fdceb96ee
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SHA1
4588ec3be8b7440c7409db4f30aca4c59c1c942e
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SHA256
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875
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SHA512
cefdbc037fc87487f177ef106aa3ab1a77f2ee8cfa73de922aeb3e4cf6a506e1801dea38e63b3010b4c8d5cf2047a97f1b9c84642df00a483023bca44b9086c2
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SSDEEP
98304:6S8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORb:7EcJzF4UNHqA/dsmoVS4YAf198
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1552-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/1552-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4608-56-0x0000000003EE0000-0x00000000047CB000-memory.dmp family_glupteba behavioral1/memory/4608-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1552-73-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4608-158-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-295-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/828-298-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1876 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 828 csrss.exe 3692 injector.exe 4228 windefender.exe 4844 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4228-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.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\"" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.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 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 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 -
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:
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exed5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.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 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe File created C:\Windows\rss\csrss.exe d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2592 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 4944 schtasks.exe 1788 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exepowershell.exepowershell.exewindefender.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,-282 = "Central Europe Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.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\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-1802 = "Line Islands Standard Time" windefender.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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" 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,-171 = "Central Daylight Time (Mexico)" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-2161 = "Altai Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exepowershell.exed5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2948 powershell.exe 2948 powershell.exe 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4400 powershell.exe 4400 powershell.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe 1652 powershell.exe 1652 powershell.exe 2404 powershell.exe 2404 powershell.exe 1328 powershell.exe 1328 powershell.exe 1328 powershell.exe 660 powershell.exe 660 powershell.exe 660 powershell.exe 4184 powershell.exe 4184 powershell.exe 4184 powershell.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 828 csrss.exe 3692 injector.exe 828 csrss.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 828 csrss.exe 828 csrss.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 828 csrss.exe 828 csrss.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe 3692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Token: SeImpersonatePrivilege 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe Token: SeDebugPrivilege 4400 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 1328 powershell.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeSystemEnvironmentPrivilege 828 csrss.exe Token: SeSecurityPrivilege 2592 sc.exe Token: SeSecurityPrivilege 2592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exed5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1552 wrote to memory of 2948 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 1552 wrote to memory of 2948 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 1552 wrote to memory of 2948 1552 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 4400 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 4400 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 4400 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 1844 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe cmd.exe PID 4608 wrote to memory of 1844 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe cmd.exe PID 1844 wrote to memory of 1876 1844 cmd.exe netsh.exe PID 1844 wrote to memory of 1876 1844 cmd.exe netsh.exe PID 4608 wrote to memory of 1652 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 1652 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 1652 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 2404 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 2404 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 2404 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe powershell.exe PID 4608 wrote to memory of 828 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe csrss.exe PID 4608 wrote to memory of 828 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe csrss.exe PID 4608 wrote to memory of 828 4608 d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe csrss.exe PID 828 wrote to memory of 1328 828 csrss.exe powershell.exe PID 828 wrote to memory of 1328 828 csrss.exe powershell.exe PID 828 wrote to memory of 1328 828 csrss.exe powershell.exe PID 828 wrote to memory of 660 828 csrss.exe powershell.exe PID 828 wrote to memory of 660 828 csrss.exe powershell.exe PID 828 wrote to memory of 660 828 csrss.exe powershell.exe PID 828 wrote to memory of 4184 828 csrss.exe powershell.exe PID 828 wrote to memory of 4184 828 csrss.exe powershell.exe PID 828 wrote to memory of 4184 828 csrss.exe powershell.exe PID 828 wrote to memory of 3692 828 csrss.exe injector.exe PID 828 wrote to memory of 3692 828 csrss.exe injector.exe PID 4228 wrote to memory of 3480 4228 windefender.exe cmd.exe PID 4228 wrote to memory of 3480 4228 windefender.exe cmd.exe PID 4228 wrote to memory of 3480 4228 windefender.exe cmd.exe PID 3480 wrote to memory of 2592 3480 cmd.exe sc.exe PID 3480 wrote to memory of 2592 3480 cmd.exe sc.exe PID 3480 wrote to memory of 2592 3480 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\d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe"C:\Users\Admin\AppData\Local\Temp\d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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C:\Users\Admin\AppData\Local\Temp\d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.exe"C:\Users\Admin\AppData\Local\Temp\d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875.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:4608 -
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:4400
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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:1844 -
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:1876
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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:1652
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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:2404
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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:828 -
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:1328
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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:4944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:316
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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:660
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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:4184
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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:3692
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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:1788
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4228 -
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:3480 -
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:2592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4844
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
MD5b201a6f71c6b35242cc9df8edc29590b
SHA15c1aa03cde959e99c8ce3af367a1a85a4de06bdd
SHA256964503be777f1846cf1720e94690041e14120be9eee4e17d654c957979e1fc8e
SHA512bfa86356431b173728b9e33f9b93a8256b0b0dc31c7401de11e35259b480bbaec5fd7879ae616b2e15b1711ef8ce7dea62cf21892531736310c2a5a75c3c88ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae6638cdb614967e5757423efd8cb616
SHA1d184103c134261af808c229eb3ebcbc847a156ef
SHA2569609f258101f2d47f49fbe56595a12c90bc14542fc1b013e9c1cfc9a6ae270c6
SHA5127a22e9662acdcd2e8047ca93999221ba0eef8d786db4be930ab49908fb2285cbcaf4e58e93a42198f7c2bf717ba185e86ebdd3dddb1aa4ba348a40cab5651330
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b8f5ae8dcd4b264b198aff7259df8c9
SHA1724f3ab4492e755252fa24154ac496f0a96e4041
SHA2566de8f9f4920b2a0f29a75f66ba423c9c99c313d04ea704376a8e7ae41990eb2f
SHA512145f32d94f36240b2401eff0a1f5275eb0cdb8757cc144ec5bbf078fd9c1c1d1a4de413b481638af4659db54b1bfca7439e856a159b9afb49de9547d21bfeb67
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522a59ce4cb0a98fa7fa9afd8caafd7ad
SHA1964fcbe59aebe3d347ddf3ee5127832668b2f2b6
SHA2565f073f16c598e705fcce1f9501f1bac53d906bfe366010afabea957071edc245
SHA5128ef63ffe74377144d4dc4cc7e822396e2df6df58dff635bbe837aa2b7346b57dced805b122eeb5d2506273ade8163174180fca5d228ad97741794dad40676f53
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a84d5b8d66bdebd836e51df7fa7caa8
SHA14430eb4d171fc19f6ce0aa23e32c1c7f4e269ab5
SHA2568aca34697719679e74236a7468174bdf96e52b856732354803f2c50a205c44fa
SHA51260ba30928981acbae2e10bb8dca6283d330c174f42c22d9b44fbe269c841185c6cf0ed6428ad0fc2f8c7f5420790af49871bf7231693fcd9f7e9b3b07a7630ea
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Filesize
4.2MB
MD5db5386b0017bea7240c4b49fdceb96ee
SHA14588ec3be8b7440c7409db4f30aca4c59c1c942e
SHA256d5b0cac3137a4687aeba7a8f17a22e2d925c9b9c1f1ef6426aeb5f785b82b875
SHA512cefdbc037fc87487f177ef106aa3ab1a77f2ee8cfa73de922aeb3e4cf6a506e1801dea38e63b3010b4c8d5cf2047a97f1b9c84642df00a483023bca44b9086c2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec