Analysis
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max time kernel
149s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:48
Static task
static1
Behavioral task
behavioral1
Sample
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe
Resource
win10v2004-20240508-en
General
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Target
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe
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Size
4.1MB
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MD5
7c8ac93962efe579b16a0b0112b95983
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SHA1
c30e0c0f4f5dcc6abdce2f0244510c440bab0ca6
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SHA256
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb
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SHA512
11e3fc073438cf4944ef2197c03758c4d6bc7e3dba0ab71e20361bc51770a239d02ebaadeb7ea9b5611045f4f9e107adfbe65e136e72e5c98156a2e85b8f4dc3
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SSDEEP
98304:ek/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6/:en6bazjovoyoHfX3/GYHw
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2040-2-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/2040-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2040-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2040-54-0x00000000044E0000-0x0000000004DCB000-memory.dmp family_glupteba behavioral2/memory/2040-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3136-124-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-203-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/840-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3420 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 840 csrss.exe 716 injector.exe 948 windefender.exe 1816 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1a-206.dat upx behavioral2/memory/948-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1816-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/948-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1816-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1816-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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:
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe -
Drops file in Windows directory 4 IoCs
Processes:
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe File created C:\Windows\rss\csrss.exe 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.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.
Processes:
sc.exepid Process 1160 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1588 powershell.exe 1700 powershell.exe 764 powershell.exe 4360 powershell.exe 1104 powershell.exe 2028 powershell.exe 2492 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 2700 schtasks.exe 3476 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight 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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exepowershell.exe02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4360 powershell.exe 4360 powershell.exe 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 1104 powershell.exe 1104 powershell.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 2028 powershell.exe 2028 powershell.exe 2492 powershell.exe 2492 powershell.exe 1588 powershell.exe 1588 powershell.exe 1700 powershell.exe 1700 powershell.exe 764 powershell.exe 764 powershell.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 840 csrss.exe 840 csrss.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 840 csrss.exe 840 csrss.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 840 csrss.exe 840 csrss.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4360 powershell.exe Token: SeDebugPrivilege 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Token: SeImpersonatePrivilege 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe Token: SeDebugPrivilege 1104 powershell.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeSystemEnvironmentPrivilege 840 csrss.exe Token: SeSecurityPrivilege 1160 sc.exe Token: SeSecurityPrivilege 1160 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2040 wrote to memory of 4360 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 83 PID 2040 wrote to memory of 4360 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 83 PID 2040 wrote to memory of 4360 2040 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 83 PID 3136 wrote to memory of 1104 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 88 PID 3136 wrote to memory of 1104 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 88 PID 3136 wrote to memory of 1104 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 88 PID 3136 wrote to memory of 2396 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 90 PID 3136 wrote to memory of 2396 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 90 PID 2396 wrote to memory of 3420 2396 cmd.exe 92 PID 2396 wrote to memory of 3420 2396 cmd.exe 92 PID 3136 wrote to memory of 2028 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 93 PID 3136 wrote to memory of 2028 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 93 PID 3136 wrote to memory of 2028 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 93 PID 3136 wrote to memory of 2492 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 95 PID 3136 wrote to memory of 2492 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 95 PID 3136 wrote to memory of 2492 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 95 PID 3136 wrote to memory of 840 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 97 PID 3136 wrote to memory of 840 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 97 PID 3136 wrote to memory of 840 3136 02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe 97 PID 840 wrote to memory of 1588 840 csrss.exe 98 PID 840 wrote to memory of 1588 840 csrss.exe 98 PID 840 wrote to memory of 1588 840 csrss.exe 98 PID 840 wrote to memory of 1700 840 csrss.exe 104 PID 840 wrote to memory of 1700 840 csrss.exe 104 PID 840 wrote to memory of 1700 840 csrss.exe 104 PID 840 wrote to memory of 764 840 csrss.exe 106 PID 840 wrote to memory of 764 840 csrss.exe 106 PID 840 wrote to memory of 764 840 csrss.exe 106 PID 840 wrote to memory of 716 840 csrss.exe 108 PID 840 wrote to memory of 716 840 csrss.exe 108 PID 948 wrote to memory of 1788 948 windefender.exe 114 PID 948 wrote to memory of 1788 948 windefender.exe 114 PID 948 wrote to memory of 1788 948 windefender.exe 114 PID 1788 wrote to memory of 1160 1788 cmd.exe 115 PID 1788 wrote to memory of 1160 1788 cmd.exe 115 PID 1788 wrote to memory of 1160 1788 cmd.exe 115 -
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\02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe"C:\Users\Admin\AppData\Local\Temp\02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4360
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C:\Users\Admin\AppData\Local\Temp\02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.exe"C:\Users\Admin\AppData\Local\Temp\02f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb.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:3136 -
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:1104
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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:2396 -
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:3420
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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:2028
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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:2492
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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:840 -
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:1588
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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:2700
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3668
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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:1700
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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:764
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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:716
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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:3476
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:948 -
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:1788 -
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:1160
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1816
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
MD55c65c01aa5a34841335fdf88d17fa3e0
SHA1f0d330fd1bcec1b122800c74cab7c78c6c3f0dc0
SHA25614ec887d3d35a358876af14fcc99c26e2a6c666bfa6961202e2f2121f7d1a881
SHA5123c97b7af337f47fc3bb6cc4d7368d61900f79f2d3778c3f299197e05e6517f3fd30631373d6947a6a03956fc61e4066d5ab03158022267cf5f05d2cf54a829e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538254b655d6e856afa26e130f9b21e31
SHA10546ea75ae236e2346a3fc476af64cb4a5caf5b4
SHA25633de8b2a5cc8462fd7bb8975b1eb848e3717c4e831708613c44adee1c4f88828
SHA51221cb30b1a763d044c7c2c889884d46435b97ea5f20a7774d6cc97865fc060f498664c1901c39e93f264d39d7ac54dfe38ceb99cea4ac1a4f252f7743442184c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53932408dcdff5731303faba49bf60b34
SHA180391273a87741308851168d8587e928979220a3
SHA256fd258c3738220fea1c8804935a3760c0fedb1057f15118ad7f9c606013b0b90c
SHA512cb5756ceb34c4ff0535cd239183591b543c4a3295d46018cfefc8d4892a1355f86f8f76dea00bab7d2972c8273563f3a303ad1f17d9f7e4e5d65ec3b22751e47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f3ffb0dff4a4b05a32a1b5dce2c7eec
SHA1fb474bdc707399f80b609af460fa0163449fc9fb
SHA2561674662bf214d016049b72b58784adc45c695ca38f0a6ccac635dcbb4834d636
SHA51237072e3db7e9f1ddbafef3231217da69e98691e1b9b21ac06eb5e51e96ec1b1e5756d8987d44d53a32a146977decca60e6c54093025a7dbabc73074b5e8b7b6f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5093412957a3fe6618c3e6a1b7bf855b1
SHA1546a83d61409b52f9ba516da53dd10301759ab72
SHA256a9429eec3e795300507e67f5d0e6f17357cf8678af58fdc300345679d70f3425
SHA5128e462bd6a766a7bae5c63caa6a1dddd6e533558cc01925786bc284fea1269de68e17b32e56e56a0d022f1c496dcc04ea051f701459788952a8158d599e55c21b
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Filesize
4.1MB
MD57c8ac93962efe579b16a0b0112b95983
SHA1c30e0c0f4f5dcc6abdce2f0244510c440bab0ca6
SHA25602f24a1ed6ebbe3fe56e69e5325f480a0e73d976201227c3b3ab70f4a6bf5ebb
SHA51211e3fc073438cf4944ef2197c03758c4d6bc7e3dba0ab71e20361bc51770a239d02ebaadeb7ea9b5611045f4f9e107adfbe65e136e72e5c98156a2e85b8f4dc3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec