Analysis
-
max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe
Resource
win10v2004-20240426-en
General
-
Target
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe
-
Size
4.1MB
-
MD5
7614be9a485e807a4162b12c4b88dbd1
-
SHA1
a158b0c237b3e8fab7d6c1a8915e6d9e9f77ab28
-
SHA256
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1
-
SHA512
435395a68dd33b455930aafc0b2308a0aedcf2beca6f12d75ede5794308370a4d3cee734da1e0b13243e2885c73d1526afb62b78be01e5c705d345b5005a53b6
-
SSDEEP
98304:4uOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSQ:4uOpIddBi3V8Ojm7gWylM939Cd
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1656-2-0x0000000004940000-0x000000000522B000-memory.dmp family_glupteba behavioral1/memory/1656-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1520-132-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1656-154-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/1656-206-0x0000000004940000-0x000000000522B000-memory.dmp family_glupteba behavioral1/memory/1656-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4712-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4712-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2724 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4712 csrss.exe 2268 injector.exe 720 windefender.exe 1148 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023431-218.dat upx behavioral1/memory/720-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1148-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/720-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1148-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1148-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1148-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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.
-
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:
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.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 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe File created C:\Windows\rss\csrss.exe 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2536 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2268 powershell.exe 1292 powershell.exe 620 powershell.exe 4252 powershell.exe 1560 powershell.exe 1992 powershell.exe 2848 powershell.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 2884 schtasks.exe 2484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.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\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.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\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.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\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exepowershell.exe388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1560 powershell.exe 1560 powershell.exe 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1992 powershell.exe 1992 powershell.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 2848 powershell.exe 2848 powershell.exe 2848 powershell.exe 2268 powershell.exe 2268 powershell.exe 2268 powershell.exe 1292 powershell.exe 1292 powershell.exe 1292 powershell.exe 620 powershell.exe 620 powershell.exe 4252 powershell.exe 4252 powershell.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 4712 csrss.exe 4712 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 4712 csrss.exe 4712 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 4712 csrss.exe 4712 csrss.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe 2268 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Token: SeImpersonatePrivilege 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe Token: SeDebugPrivilege 1992 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 1292 powershell.exe Token: SeDebugPrivilege 620 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeSystemEnvironmentPrivilege 4712 csrss.exe Token: SeSecurityPrivilege 2536 sc.exe Token: SeSecurityPrivilege 2536 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1656 wrote to memory of 1560 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 85 PID 1656 wrote to memory of 1560 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 85 PID 1656 wrote to memory of 1560 1656 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 85 PID 1520 wrote to memory of 1992 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 95 PID 1520 wrote to memory of 1992 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 95 PID 1520 wrote to memory of 1992 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 95 PID 1520 wrote to memory of 4592 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 99 PID 1520 wrote to memory of 4592 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 99 PID 4592 wrote to memory of 2724 4592 cmd.exe 102 PID 4592 wrote to memory of 2724 4592 cmd.exe 102 PID 1520 wrote to memory of 2848 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 104 PID 1520 wrote to memory of 2848 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 104 PID 1520 wrote to memory of 2848 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 104 PID 1520 wrote to memory of 2268 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 120 PID 1520 wrote to memory of 2268 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 120 PID 1520 wrote to memory of 2268 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 120 PID 1520 wrote to memory of 4712 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 109 PID 1520 wrote to memory of 4712 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 109 PID 1520 wrote to memory of 4712 1520 388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe 109 PID 4712 wrote to memory of 1292 4712 csrss.exe 110 PID 4712 wrote to memory of 1292 4712 csrss.exe 110 PID 4712 wrote to memory of 1292 4712 csrss.exe 110 PID 4712 wrote to memory of 620 4712 csrss.exe 116 PID 4712 wrote to memory of 620 4712 csrss.exe 116 PID 4712 wrote to memory of 620 4712 csrss.exe 116 PID 4712 wrote to memory of 4252 4712 csrss.exe 118 PID 4712 wrote to memory of 4252 4712 csrss.exe 118 PID 4712 wrote to memory of 4252 4712 csrss.exe 118 PID 4712 wrote to memory of 2268 4712 csrss.exe 120 PID 4712 wrote to memory of 2268 4712 csrss.exe 120 PID 720 wrote to memory of 1664 720 windefender.exe 126 PID 720 wrote to memory of 1664 720 windefender.exe 126 PID 720 wrote to memory of 1664 720 windefender.exe 126 PID 1664 wrote to memory of 2536 1664 cmd.exe 127 PID 1664 wrote to memory of 2536 1664 cmd.exe 127 PID 1664 wrote to memory of 2536 1664 cmd.exe 127 -
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
-
C:\Users\Admin\AppData\Local\Temp\388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe"C:\Users\Admin\AppData\Local\Temp\388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1560
-
-
C:\Users\Admin\AppData\Local\Temp\388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.exe"C:\Users\Admin\AppData\Local\Temp\388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1.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:1520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
-
-
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:4592 -
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:2724
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2268
-
-
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:4712 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1292
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2884
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1756
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:620
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
-
-
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:2268
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2484
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:720 -
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:1664 -
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:2536
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1148
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d96eca06049bef6ede65499d530eeee8
SHA17aa4f37b23f7f5f5ed688ca3808ed9c35c3958c6
SHA2562a84b6ccf533690e3e9e060041aafbc78fbab663c0feb947e811e4a967e17588
SHA512fbe193da659d4d7f616b51821e604c8205242bd100f39e54ca1159ef922eba334e5154a4dc7080d6f78012d386c9a81395f8aa06f3541958e080ee336544bf29
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6fdb621820aa0f1bb6e1f39517ff8e1
SHA13cea980cee47ac343a844fcb7aa12b3195315ae3
SHA256ce1be7144cb2b0c50f0ff8925d0f58bf29cb700517c54c15bf25f8d236a2c0a7
SHA512e0c4b30a4ffff0bfcacadd61b9a968e3429307de064fea9bccbf6354b8316e5ba2f4879347889265e1bf7ca5afefa6f9e99fb74cfd6a72a24c09f115f21140c4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502832c58b745c561e625c901934d1ca2
SHA1fba09f206c3aa3295d9e61ee717ebb8befe5872a
SHA25631b4796d06b661f5197020ca7a4f5e229319d8b7d2170c6ff7390d61f5d9bfd7
SHA512c72a1400cb6e488a6ec3d38c48b268f787537ce401af5cfd362e234946f13a08abfcf2fb3fc737560b91df9afc3debfdcf81d1bddd9e3d9a8de560d7f1cae359
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa4d00c6296e96d8f41b550ee9c40e44
SHA11201e1b39954824d654392e692634f9f2c2bf9bb
SHA256ee07497f1df66cbcd148902166654aaa6e3f9283e64cd1ca0aad80f6fd888de0
SHA512e4449ed985ccb345503b8f4e0d83007d65e015b5f4e89d082080b6b532fa849140de2066192c89ef56ab13ce2fb0f54c9c9863b8c5bde6ea11da876e135853cc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b1f9db374e0a65db50d65dca5da2be9
SHA168032481e863b201dac08a7bf7f64f2281af788e
SHA256fbd5e39073f4b8de4f31dc2bc75bc9d20a304b4f88dcfb900d307a25161c7294
SHA512f8c5e8abf24d23d2f01809c2dedd79e0672883d00cb0f32e2ff3d1b5293a21e45123437aa39d481bbe6f33c3e50d5efa53cac238ecea4c97505a40b441f5a6fa
-
Filesize
4.1MB
MD57614be9a485e807a4162b12c4b88dbd1
SHA1a158b0c237b3e8fab7d6c1a8915e6d9e9f77ab28
SHA256388923b1396ae01a11518e8ee062c136e5c1e3bbca7d3d7af1e34cfb185e96e1
SHA512435395a68dd33b455930aafc0b2308a0aedcf2beca6f12d75ede5794308370a4d3cee734da1e0b13243e2885c73d1526afb62b78be01e5c705d345b5005a53b6
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec