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Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 07:44
Static task
static1
Behavioral task
behavioral1
Sample
ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe
Resource
win10v2004-20240426-en
General
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Target
ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe
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Size
4.1MB
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MD5
6c1501501565a9d3c18b5fe1c0794953
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SHA1
aba57b3344d991a02ae46dc3a56c1464a0e84fe0
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SHA256
ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37
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SHA512
debb8c99f8cadf4a9e65be61fc8935f7c8a9496db577d4017a80142de7fa4f033bb436640dd8bd32b8ba591771fb6f23c5d82d9aa5c52f72b7c18efb01c0c9e8
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SSDEEP
49152:Fxy3MosfgXDzBbVjTL+ojlT7Gqy8qbM+gyKbuZpPIaCQALO/aG8q2Nr6K0b8um+t:KBzBxBRyGJk3ClTN+KaS+/5DX/2zKrd
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3416-2-0x0000000002DD0000-0x00000000036BB000-memory.dmp family_glupteba behavioral1/memory/3416-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3416-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3416-82-0x0000000002DD0000-0x00000000036BB000-memory.dmp family_glupteba behavioral1/memory/4784-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4784-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/536-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1104 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 536 csrss.exe 2220 injector.exe 2968 windefender.exe 776 windefender.exe -
resource yara_rule behavioral1/files/0x000e0000000234bf-223.dat upx behavioral1/memory/2968-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/776-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2968-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/776-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/776-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe File created C:\Windows\rss\csrss.exe ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.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 2576 sc.exe -
pid Process 3448 powershell.exe 3300 powershell.exe 536 powershell.exe 3232 powershell.exe 2368 powershell.exe 912 powershell.exe 1236 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 1276 schtasks.exe 3688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight 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" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard 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\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.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\CA powershell.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\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\@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,-462 = "Afghanistan Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 536 powershell.exe 536 powershell.exe 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 3232 powershell.exe 3232 powershell.exe 3232 powershell.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 2368 powershell.exe 2368 powershell.exe 912 powershell.exe 912 powershell.exe 1236 powershell.exe 1236 powershell.exe 3448 powershell.exe 3448 powershell.exe 3448 powershell.exe 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 536 csrss.exe 536 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 536 csrss.exe 536 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 536 csrss.exe 536 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 536 powershell.exe Token: SeDebugPrivilege 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Token: SeImpersonatePrivilege 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 912 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 3448 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeSystemEnvironmentPrivilege 536 csrss.exe Token: SeSecurityPrivilege 2576 sc.exe Token: SeSecurityPrivilege 2576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3416 wrote to memory of 536 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 91 PID 3416 wrote to memory of 536 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 91 PID 3416 wrote to memory of 536 3416 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 91 PID 4784 wrote to memory of 3232 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 101 PID 4784 wrote to memory of 3232 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 101 PID 4784 wrote to memory of 3232 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 101 PID 4784 wrote to memory of 2252 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 103 PID 4784 wrote to memory of 2252 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 103 PID 2252 wrote to memory of 1104 2252 cmd.exe 105 PID 2252 wrote to memory of 1104 2252 cmd.exe 105 PID 4784 wrote to memory of 2368 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 106 PID 4784 wrote to memory of 2368 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 106 PID 4784 wrote to memory of 2368 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 106 PID 4784 wrote to memory of 912 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 108 PID 4784 wrote to memory of 912 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 108 PID 4784 wrote to memory of 912 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 108 PID 4784 wrote to memory of 536 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 110 PID 4784 wrote to memory of 536 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 110 PID 4784 wrote to memory of 536 4784 ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe 110 PID 536 wrote to memory of 1236 536 csrss.exe 111 PID 536 wrote to memory of 1236 536 csrss.exe 111 PID 536 wrote to memory of 1236 536 csrss.exe 111 PID 536 wrote to memory of 3448 536 csrss.exe 118 PID 536 wrote to memory of 3448 536 csrss.exe 118 PID 536 wrote to memory of 3448 536 csrss.exe 118 PID 536 wrote to memory of 3300 536 csrss.exe 121 PID 536 wrote to memory of 3300 536 csrss.exe 121 PID 536 wrote to memory of 3300 536 csrss.exe 121 PID 536 wrote to memory of 2220 536 csrss.exe 124 PID 536 wrote to memory of 2220 536 csrss.exe 124 PID 2968 wrote to memory of 4340 2968 windefender.exe 130 PID 2968 wrote to memory of 4340 2968 windefender.exe 130 PID 2968 wrote to memory of 4340 2968 windefender.exe 130 PID 4340 wrote to memory of 2576 4340 cmd.exe 131 PID 4340 wrote to memory of 2576 4340 cmd.exe 131 PID 4340 wrote to memory of 2576 4340 cmd.exe 131 -
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\ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe"C:\Users\Admin\AppData\Local\Temp\ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:536
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C:\Users\Admin\AppData\Local\Temp\ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.exe"C:\Users\Admin\AppData\Local\Temp\ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37.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:4784 -
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:3232
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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:2252 -
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:1104
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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:2368
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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:912
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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:536 -
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:1236
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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:1276
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:216
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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:3448
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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:3300
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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:2220
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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:3688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2968 -
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:4340 -
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:2576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:776
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd1af571582308bd4aa889253cd3a55e
SHA194ca6ce91ea0e68b6320832608a519da5ce71123
SHA256e038823162a9c59b3594f6f5729a9a4fe1ffab5911c46e7d12768e72d7dff68a
SHA512f7b51d9cbbfd9e5f3c97ce72b70d561b4c417a7cb1686ab9c3a1abd5c8c38d6a35bf59692dbd0f0454181f7c9f027e85833d8f5bf45139e13291a242d777e779
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5758153d0aad751c2101ad803b98ebc3a
SHA153bcec5b30ecbc5a84088e01d4237585719905a0
SHA2562c57ecdc93cb3370ca7e302304111ec083c78c9f61e0513f0027cefbd4628576
SHA512e0dec027a9b1de87ebff93aa9e16a2877fcf98a7bbd672536f25b9aa4376442d76fbdff85b54f112da9c952adde44340b07a39c05e7cdda5adf1bb6b5c4f8645
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f638f077d0e1e44817a552cfb0f11a3c
SHA188c24ff6bbed2b7fb0ac90b2458bebbc2cfa2f57
SHA25605836decdfa49352f549e187926a124cd3ce5defaf21c86c68aa321929292a7d
SHA5124b01221ed790ef67eeaefc43dc7455e77b448913a5983b795ff246ee4c556eca422bea6b41f894f29ff319c5dd7eaaddcfa9eb5ae66f5d0f2111dfc941efe7cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc94031c65f1acf36d49fe0fe2fc9287
SHA174c4119c569eadc8bc7e297bd804144e68f9f322
SHA256847c8867a90a390ae9d46a23f066daf7687a4ab0c39385db005045ded5749de6
SHA5129797bb20e0e3c974f87249f5afa4921f8a8172313fc36aa06ae999523033cbbb00cbe863ff0d61cd7d751b567fb117476d41c1592981b3fa8e640954daaa34f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5356c173691fa61198f77239f84f611c0
SHA1904ef8cf9a5a8d25c24677541e5ccb0e470d66a8
SHA256389286f13ee82ff7af8dd3ad07a3604dc7b5264e39125b74af26eefa4eb8fe42
SHA51231a97a64f5d607760626ffe1e734d9372c1a00219a1391bb867c68941eef8e042a00596b6482e8819ba720fd29e445171893be6e07c582a2554353eb321af332
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Filesize
4.1MB
MD56c1501501565a9d3c18b5fe1c0794953
SHA1aba57b3344d991a02ae46dc3a56c1464a0e84fe0
SHA256ed694665b3355b4750e555ce13686201ecd987b4ffe51a7f4c53ed8c3eff0c37
SHA512debb8c99f8cadf4a9e65be61fc8935f7c8a9496db577d4017a80142de7fa4f033bb436640dd8bd32b8ba591771fb6f23c5d82d9aa5c52f72b7c18efb01c0c9e8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec