Analysis
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max time kernel
149s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 12:37
Static task
static1
Behavioral task
behavioral1
Sample
e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe
Resource
win10v2004-20240426-en
General
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Target
e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe
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Size
4.1MB
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MD5
ba96e75839abfa65e0c6b234f3862fcb
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SHA1
c367332a9b0933faf057d62a0e773981502f2e96
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SHA256
e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41
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SHA512
ca7dbc04a3872bd95960ad32b1a3759c304d30491ea5048388c7cbc50d2e26791474815bd155d654258cf64359eebbd053c421422a3e5c5358c1ceefca71a797
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SSDEEP
98304:N/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU8c:dlgkYS1OmbburVLyO2P5x7Yb4i
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1176-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/1176-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1176-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1176-90-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4588-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3460-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2488 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3460 csrss.exe 4856 injector.exe 2080 windefender.exe 3264 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-206.dat upx behavioral2/memory/2080-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2080-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3264-226-0x0000000000400000-0x00000000008DF000-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\"" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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 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 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 -
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 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe File created C:\Windows\rss\csrss.exe e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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 3240 sc.exe -
pid Process 2868 powershell.exe 3628 powershell.exe 1384 powershell.exe 3000 powershell.exe 2216 powershell.exe 2892 powershell.exe 3936 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 468 schtasks.exe 4572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-751 = "Tonga Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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,-364 = "Middle East 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,-672 = "AUS Eastern Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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,-1801 = "Line Islands Daylight Time" windefender.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2868 powershell.exe 2868 powershell.exe 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 3628 powershell.exe 3628 powershell.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 1384 powershell.exe 1384 powershell.exe 3000 powershell.exe 3000 powershell.exe 2216 powershell.exe 2216 powershell.exe 2892 powershell.exe 2892 powershell.exe 3936 powershell.exe 3936 powershell.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 3460 csrss.exe 3460 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 3460 csrss.exe 3460 csrss.exe 4856 injector.exe 4856 injector.exe 3460 csrss.exe 3460 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Token: SeImpersonatePrivilege 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe Token: SeDebugPrivilege 3628 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeDebugPrivilege 2892 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeSystemEnvironmentPrivilege 3460 csrss.exe Token: SeSecurityPrivilege 3240 sc.exe Token: SeSecurityPrivilege 3240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1176 wrote to memory of 2868 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 83 PID 1176 wrote to memory of 2868 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 83 PID 1176 wrote to memory of 2868 1176 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 83 PID 4588 wrote to memory of 3628 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 88 PID 4588 wrote to memory of 3628 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 88 PID 4588 wrote to memory of 3628 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 88 PID 4588 wrote to memory of 3136 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 90 PID 4588 wrote to memory of 3136 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 90 PID 3136 wrote to memory of 2488 3136 cmd.exe 92 PID 3136 wrote to memory of 2488 3136 cmd.exe 92 PID 4588 wrote to memory of 1384 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 93 PID 4588 wrote to memory of 1384 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 93 PID 4588 wrote to memory of 1384 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 93 PID 4588 wrote to memory of 3000 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 95 PID 4588 wrote to memory of 3000 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 95 PID 4588 wrote to memory of 3000 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 95 PID 4588 wrote to memory of 3460 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 97 PID 4588 wrote to memory of 3460 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 97 PID 4588 wrote to memory of 3460 4588 e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe 97 PID 3460 wrote to memory of 2216 3460 csrss.exe 98 PID 3460 wrote to memory of 2216 3460 csrss.exe 98 PID 3460 wrote to memory of 2216 3460 csrss.exe 98 PID 3460 wrote to memory of 2892 3460 csrss.exe 104 PID 3460 wrote to memory of 2892 3460 csrss.exe 104 PID 3460 wrote to memory of 2892 3460 csrss.exe 104 PID 3460 wrote to memory of 3936 3460 csrss.exe 106 PID 3460 wrote to memory of 3936 3460 csrss.exe 106 PID 3460 wrote to memory of 3936 3460 csrss.exe 106 PID 3460 wrote to memory of 4856 3460 csrss.exe 108 PID 3460 wrote to memory of 4856 3460 csrss.exe 108 PID 2080 wrote to memory of 4644 2080 windefender.exe 114 PID 2080 wrote to memory of 4644 2080 windefender.exe 114 PID 2080 wrote to memory of 4644 2080 windefender.exe 114 PID 4644 wrote to memory of 3240 4644 cmd.exe 115 PID 4644 wrote to memory of 3240 4644 cmd.exe 115 PID 4644 wrote to memory of 3240 4644 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\e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe"C:\Users\Admin\AppData\Local\Temp\e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868
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C:\Users\Admin\AppData\Local\Temp\e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.exe"C:\Users\Admin\AppData\Local\Temp\e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41.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:4588 -
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:3628
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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:3136 -
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:2488
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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:1384
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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:3000
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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:3460 -
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:2216
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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:468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3492
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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:2892
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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:3936
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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:4856
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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:4572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2080 -
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:4644 -
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:3240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3264
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a0c1d1ff1d8c358d16a55067125dcbe
SHA1004b5ad828130634d991d800490e4acf1f97f7ae
SHA256b988d98f37f5d2844ed8022c929a6484b039999cbd1e13ace7fcac2f558d6b0e
SHA5122db34eeff299f8e5a2ae5108e8293d72f64f85ffb3a8d6f11804a9556864704755625acb5d5f29be58f3210cecb913dfa56dee37fe545b6ffc9c75de1b25bfee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58981b78e3fb9f2aab1a10f36c36c40c2
SHA13ab2e6e228cd281dbbbab504d7e60a6bd06fda66
SHA256d0c19c4e6b64ccac87470c045ef8e33f9918367de3475729cbc757cbf9342b52
SHA512d0cd1248d842f8f8ffdfdc005a8b5f43d25a47c7d9256ccff35ecb44f355856ecc2190bd6a81e12cffb70c99ae50a37cf6196fc9b4f5da49b5dd9fc82c84c7b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7de805c022c5cf641ad9e2b180ce01d
SHA1495bd8a101d12e844b861aef332f75b732e98880
SHA25677fa2255fe5084048d49f71d49a1d9f4f9da08947e85c580ec884fe437d9a1e3
SHA5125212c55a59c6cc70fd5890f9812a3b75c1ee78ed3255bd291fa28ddb2fef008ebdccd806cae14524a3aba4055bcc3d0e6f24222f6646bef5bcca1b8fd16220b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b28ec24a89a82afa4134d89c6820891
SHA16b7094be530add12cea0d5220613a1c87142bb1f
SHA25689b779a825d89cd4dab25add1e20e51ae93a504378acb1bf28bf4c161c66ad1f
SHA5123d400017476bf53b33db8be1a001752ee63a2e5564c892abf1ac06412d7f36ef944e69dd8daf36b9854a26d54da56d12b12c6a61b1329acca494babe67c9f493
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d91c04f2179286d722b6114edeb42143
SHA155d981a0241981bea3938848723a6d1b14147a40
SHA2568eb3688f56a0005bd2bd95028fad835c566983adc0ff07b89fbfd0092bd18512
SHA512f9c295561636bef69236eabee6404737dc8126d1eeb35b64c98e4705f3e9862438626b0486b74b2d34a32fa87ef301d8e20bce814c8c0761c23ef8db235620f3
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Filesize
4.1MB
MD5ba96e75839abfa65e0c6b234f3862fcb
SHA1c367332a9b0933faf057d62a0e773981502f2e96
SHA256e800062d562356435e3009315c99038802dfa52c932917785f05e6aea3d46d41
SHA512ca7dbc04a3872bd95960ad32b1a3759c304d30491ea5048388c7cbc50d2e26791474815bd155d654258cf64359eebbd053c421422a3e5c5358c1ceefca71a797
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec