Analysis
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max time kernel
150s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe
Resource
win10v2004-20240412-en
General
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Target
1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe
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Size
4.2MB
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MD5
fe5fd45c31b167ea1b7ef35d400c165b
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SHA1
55ed535b983e78fc8ff56887215569f66babf253
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SHA256
1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95
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SHA512
b41de25ee8e39f9bd7be91c91239027468ab26ec3d4896b30ea9c93550e02aec7434ea71d621cb399c0742dc881da98a3034dcc0d3b7e2b5a34ea1b73dbe2dcb
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG/:PdVQtLoTZDg5GO9Bqlcn
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3220-2-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral2/memory/3220-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3220-50-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3220-54-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral2/memory/3212-53-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/3212-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3212-125-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3212-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-240-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-249-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3888-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 772 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3888 csrss.exe 660 injector.exe 1424 windefender.exe 2116 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa24-243.dat upx behavioral2/memory/1424-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2116-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2116-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe File created C:\Windows\rss\csrss.exe 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4844 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1844 3212 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 4392 schtasks.exe 4148 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\@tzres.dll,-331 = "E. Europe Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.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,-652 = "AUS Central Standard 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,-105 = "Central Brazilian 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" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1892 powershell.exe 1892 powershell.exe 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 660 powershell.exe 660 powershell.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 3040 powershell.exe 3040 powershell.exe 2364 powershell.exe 2364 powershell.exe 2236 powershell.exe 2236 powershell.exe 5064 powershell.exe 5064 powershell.exe 2992 powershell.exe 2992 powershell.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 3888 csrss.exe 3888 csrss.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 3888 csrss.exe 3888 csrss.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 3888 csrss.exe 3888 csrss.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Token: SeImpersonatePrivilege 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeSystemEnvironmentPrivilege 3888 csrss.exe Token: SeSecurityPrivilege 4844 sc.exe Token: SeSecurityPrivilege 4844 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3220 wrote to memory of 1892 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 81 PID 3220 wrote to memory of 1892 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 81 PID 3220 wrote to memory of 1892 3220 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 81 PID 3212 wrote to memory of 660 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 86 PID 3212 wrote to memory of 660 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 86 PID 3212 wrote to memory of 660 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 86 PID 3212 wrote to memory of 2352 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 88 PID 3212 wrote to memory of 2352 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 88 PID 2352 wrote to memory of 772 2352 cmd.exe 90 PID 2352 wrote to memory of 772 2352 cmd.exe 90 PID 3212 wrote to memory of 3040 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 91 PID 3212 wrote to memory of 3040 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 91 PID 3212 wrote to memory of 3040 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 91 PID 3212 wrote to memory of 2364 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 93 PID 3212 wrote to memory of 2364 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 93 PID 3212 wrote to memory of 2364 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 93 PID 3212 wrote to memory of 3888 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 95 PID 3212 wrote to memory of 3888 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 95 PID 3212 wrote to memory of 3888 3212 1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe 95 PID 3888 wrote to memory of 2236 3888 csrss.exe 99 PID 3888 wrote to memory of 2236 3888 csrss.exe 99 PID 3888 wrote to memory of 2236 3888 csrss.exe 99 PID 3888 wrote to memory of 5064 3888 csrss.exe 104 PID 3888 wrote to memory of 5064 3888 csrss.exe 104 PID 3888 wrote to memory of 5064 3888 csrss.exe 104 PID 3888 wrote to memory of 2992 3888 csrss.exe 107 PID 3888 wrote to memory of 2992 3888 csrss.exe 107 PID 3888 wrote to memory of 2992 3888 csrss.exe 107 PID 3888 wrote to memory of 660 3888 csrss.exe 109 PID 3888 wrote to memory of 660 3888 csrss.exe 109 PID 1424 wrote to memory of 2368 1424 windefender.exe 115 PID 1424 wrote to memory of 2368 1424 windefender.exe 115 PID 1424 wrote to memory of 2368 1424 windefender.exe 115 PID 2368 wrote to memory of 4844 2368 cmd.exe 116 PID 2368 wrote to memory of 4844 2368 cmd.exe 116 PID 2368 wrote to memory of 4844 2368 cmd.exe 116 -
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\1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe"C:\Users\Admin\AppData\Local\Temp\1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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C:\Users\Admin\AppData\Local\Temp\1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.exe"C:\Users\Admin\AppData\Local\Temp\1e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95.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:3212 -
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:660
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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:2352 -
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:772
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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:3040
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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:2364
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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:3888 -
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:2236
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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:4392
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1656
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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:5064
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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:2992
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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:660
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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:4148
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1424 -
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:2368 -
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:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 9083⤵
- Program crash
PID:1844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3212 -ip 32121⤵PID:2108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2116
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fe2cee75f5f320566b47cc75a4d3b09
SHA1f4d7a0f184a039ff90bc0490b9555f1d24f7ca3f
SHA256c71904c1fd3d8e7cad3ffdf23031a5b25e7bc0234d828764378598ac02c07e78
SHA512936df7af14080f34220af6cd17d769d3fee150869b0377f50689dee41a672aae2caf8d4a62271b8c939dc0dd50e9c6eb29e67e90563ae9e8c5cb50a9d7e55244
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cc71c900067f750898e1e384024a222
SHA1f2e84f496bf04d1a09bad5612323d8bbae86b59d
SHA256f839d7fa248ff03601d9fbdb62559bad55e7861e6553e5878052b18b2f608ac3
SHA51231d853811eff13bb000983ea1c350f52bd4f068e85d73cd2785eb957bb04d4bbb5588c2287edbac8e294921090d45807b5d20339de73a3ef63a28715c4b35adc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f959bf104cc412aff30640ea683a87da
SHA181813d4cb49d0bc97462b439ebfec9429e4e99c7
SHA25647b8aea9ed534e9f8f53ecbd87cbb7c14a54270b970a06ba5cb07b907e248d72
SHA5120500cc1e1c216f2096244a6ecdeff28f0f690d6c7a6eb86c6781338d67756b1d3bac6da20a7f17aa1ac4d7e8aa92bb9d56d493699d66a4a0a2f4a160faed8d61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b4fc02493bc7a9f7e966f0073f8302c
SHA1319dee7dd44388a7989dead751d43a36a6161d0d
SHA256b5b835340e94ad9464225971f8a378da236004e8d1083265efcc4195a76f91a5
SHA512457b003d2115f85cb36d8f1f8f62ef0821adbee158d46bf7e3f21bbce58c23ad9ede50d2c2460838b8c1bb341136ead7f96562ffa6a5cbdd1d08f9a96878a373
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD543340f4d2a0006d8beb95a35881b348f
SHA1b917f4d10be3b8cb008ec9e48a73ee5754379679
SHA2562ff0089cd9402cc8c0ed3c2a3564895de361b5b9a3a5a633d2337cbd331cdc44
SHA512c7a66b32da1d1c82402d60f172cea993c301f3cac23dabf8c8426cfce37e0238d7abc833324cd73b62e567bba0090479942de7f94e723ec650d5a70bb9ee1cfd
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Filesize
4.2MB
MD5fe5fd45c31b167ea1b7ef35d400c165b
SHA155ed535b983e78fc8ff56887215569f66babf253
SHA2561e7f09393ad896d096dc348e56fb6848d3f7d770ad36d40ccc25a0905a78bb95
SHA512b41de25ee8e39f9bd7be91c91239027468ab26ec3d4896b30ea9c93550e02aec7434ea71d621cb399c0742dc881da98a3034dcc0d3b7e2b5a34ea1b73dbe2dcb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec