Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:32
Static task
static1
Behavioral task
behavioral1
Sample
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe
Resource
win10v2004-20240508-en
General
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Target
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe
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Size
4.1MB
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MD5
8a50c0b55233becdd71a2f73f8a786c4
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SHA1
0c53f2ecfe28f0936a5b0329dbff9343b0915702
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SHA256
d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e
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SHA512
26569d0be1280975862c56499e52fda4eaca3cd6d908fb442c4c150846c928d8f53df7ed475d6e2ba07c5edc02c4129c45e545e53d3286781da0874b800b1474
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SSDEEP
98304:U4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNu:U4G/GRAB9MdaGBolx/Wzuw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4372-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/4372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4372-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4372-54-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/4372-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4372-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1476-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1476-123-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1476-131-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-190-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-209-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2696-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4524 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2696 csrss.exe 3696 injector.exe 720 windefender.exe 4208 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-212.dat upx behavioral2/memory/720-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/720-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4208-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe File created C:\Windows\rss\csrss.exe d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.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 5052 sc.exe -
pid Process 2992 powershell.exe 3040 powershell.exe 4060 powershell.exe 240 powershell.exe 4472 powershell.exe 5044 powershell.exe 4520 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2612 schtasks.exe 952 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\@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,-442 = "Arabian Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight 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" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5044 powershell.exe 5044 powershell.exe 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 4520 powershell.exe 4520 powershell.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 2992 powershell.exe 2992 powershell.exe 3040 powershell.exe 3040 powershell.exe 4060 powershell.exe 4060 powershell.exe 240 powershell.exe 240 powershell.exe 4472 powershell.exe 4472 powershell.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 2696 csrss.exe 2696 csrss.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 2696 csrss.exe 2696 csrss.exe 3696 injector.exe 3696 injector.exe 2696 csrss.exe 2696 csrss.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe 3696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Token: SeImpersonatePrivilege 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeSystemEnvironmentPrivilege 2696 csrss.exe Token: SeSecurityPrivilege 5052 sc.exe Token: SeSecurityPrivilege 5052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4372 wrote to memory of 5044 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 83 PID 4372 wrote to memory of 5044 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 83 PID 4372 wrote to memory of 5044 4372 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 83 PID 1476 wrote to memory of 4520 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 1476 wrote to memory of 4520 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 1476 wrote to memory of 4520 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 88 PID 1476 wrote to memory of 4888 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 90 PID 1476 wrote to memory of 4888 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 90 PID 4888 wrote to memory of 4524 4888 cmd.exe 92 PID 4888 wrote to memory of 4524 4888 cmd.exe 92 PID 1476 wrote to memory of 2992 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 1476 wrote to memory of 2992 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 1476 wrote to memory of 2992 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 93 PID 1476 wrote to memory of 3040 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 95 PID 1476 wrote to memory of 3040 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 95 PID 1476 wrote to memory of 3040 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 95 PID 1476 wrote to memory of 2696 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 97 PID 1476 wrote to memory of 2696 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 97 PID 1476 wrote to memory of 2696 1476 d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe 97 PID 2696 wrote to memory of 4060 2696 csrss.exe 98 PID 2696 wrote to memory of 4060 2696 csrss.exe 98 PID 2696 wrote to memory of 4060 2696 csrss.exe 98 PID 2696 wrote to memory of 240 2696 csrss.exe 103 PID 2696 wrote to memory of 240 2696 csrss.exe 103 PID 2696 wrote to memory of 240 2696 csrss.exe 103 PID 2696 wrote to memory of 4472 2696 csrss.exe 106 PID 2696 wrote to memory of 4472 2696 csrss.exe 106 PID 2696 wrote to memory of 4472 2696 csrss.exe 106 PID 2696 wrote to memory of 3696 2696 csrss.exe 108 PID 2696 wrote to memory of 3696 2696 csrss.exe 108 PID 720 wrote to memory of 4304 720 windefender.exe 114 PID 720 wrote to memory of 4304 720 windefender.exe 114 PID 720 wrote to memory of 4304 720 windefender.exe 114 PID 4304 wrote to memory of 5052 4304 cmd.exe 115 PID 4304 wrote to memory of 5052 4304 cmd.exe 115 PID 4304 wrote to memory of 5052 4304 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\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044
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C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.exe"C:\Users\Admin\AppData\Local\Temp\d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e.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:1476 -
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:4520
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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:4888 -
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:4524
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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:2992
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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:3040
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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:2696 -
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:4060
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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:2612
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1796
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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:240
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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:4472
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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:3696
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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:952
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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:4304 -
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:5052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4208
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
MD5d8505f97b36ed0ee16e32194a33873a9
SHA1dce9e5f418417e0fd04ee0dbf91ba7d501eac3a2
SHA256342ad44af45707bf25ea62bba0b2ebffa37b9ed52323a9b17dbaea22ebcd50ef
SHA512c3ab76cefae86293eea3493cf23a39fbbfc39eb4598f86011d0bc86cf70665385c431f2487c88627d49318fa978fb51625b09d9d0ac8dcc1431cb02f3b106f8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503564b921e6cc7b71f091f013e73e337
SHA1a211b41d9e1573a580435e0c0718956382cbd966
SHA2564041ebde89cc45876a884ddc8560e6c2ab895f77a2621a4956130d7a81be9ded
SHA51274a89ef2002b41f07e0ae3a064dc85007360833cecb65552fe013b9893d24da28e1311bc05c6355b5d236c55f6ff9e836487d2fbe0c994f1d0ef031d8084f1e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59199a9377e595f1366cb7c9f20642c1b
SHA13be00d359ed7b775e97709455c89ccba0a4ff93b
SHA256ec096a8d15ddc599a7380dc92bd280fe7af7aeccd0c9dbd2aca69b3d6266bb61
SHA512fde8404fca6c0252b8a759be770bb93c058ba738a6ee9db7867bce059894afd3e6638090d6a26d4fa22edeece3a90612caa1a029164fa0bd8849b66221fc0e8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524f2f958863474b8af821ae0e8476e69
SHA14581b5375f2752652a7427645092f18f9d04c983
SHA2569a883724ba5a0ee45d2f11bc19b65769052dd2f4fdd7ac1add34dd59266c1632
SHA5129e006b83bbefc07d0f9b993ee8974b8c9a66fdd722e010ee7bbdd4d31568e89beaf40e882128c4b43888566d9d119e88d35a27d639b86a50aa78b717d46049b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578db2cc6d62f573acf88da65e94f7c90
SHA164a664b0059ce013d8ed02edba8e23254a08782b
SHA256dbbf702c26974afaa805995d02f21816cbe81619d12ad8a5a11928018907b5b0
SHA5127ef1abf342af1abde445488bb621afcac1d348195d753b553fc5495638eaf5a538a9285a5fe0ddb8d8c7b3054c2cca4294b1dab9a1700f338b747cf465fabd67
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Filesize
4.1MB
MD58a50c0b55233becdd71a2f73f8a786c4
SHA10c53f2ecfe28f0936a5b0329dbff9343b0915702
SHA256d6e90557d945b4fe7b1e199471a3c041ae84444e358cebc38b71efe7994fab2e
SHA51226569d0be1280975862c56499e52fda4eaca3cd6d908fb442c4c150846c928d8f53df7ed475d6e2ba07c5edc02c4129c45e545e53d3286781da0874b800b1474
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec