Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe
Resource
win10v2004-20240508-en
General
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Target
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe
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Size
4.1MB
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MD5
8138c6f377a0a3169c6ccd074b5c8f86
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SHA1
d29f58c813da21c931fc6fa432414221127884f6
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SHA256
ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a
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SHA512
3547d7f938839c8e0bf7aa2166d5db000b0cd4d1c40393420ed054173729a8386601174760bc39684c4522f9978fc2b58eae2ac25c018d8eb49dda941c627b9d
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntJ:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1976-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/1976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1976-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1976-56-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/3892-59-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/3892-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4100-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4364 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4100 csrss.exe 3424 injector.exe 4440 windefender.exe 5024 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002356e-225.dat upx behavioral1/memory/4440-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4440-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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\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 File created 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 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe File created C:\Windows\rss\csrss.exe ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3460 sc.exe -
pid Process 4524 powershell.exe 1000 powershell.exe 4052 powershell.exe 444 powershell.exe 4720 powershell.exe 4308 powershell.exe 1276 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 1696 schtasks.exe 3184 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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance 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,-281 = "Central Europe Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-12 = "Azores Standard 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,-31 = "Mid-Atlantic Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.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,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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,-2412 = "Marquesas Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1000 powershell.exe 1000 powershell.exe 1000 powershell.exe 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 4052 powershell.exe 4052 powershell.exe 4052 powershell.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 444 powershell.exe 444 powershell.exe 444 powershell.exe 4720 powershell.exe 4720 powershell.exe 4720 powershell.exe 4308 powershell.exe 4308 powershell.exe 4308 powershell.exe 1276 powershell.exe 1276 powershell.exe 1276 powershell.exe 4524 powershell.exe 4524 powershell.exe 4524 powershell.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 4100 csrss.exe 4100 csrss.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 4100 csrss.exe 4100 csrss.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 4100 csrss.exe 4100 csrss.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe 3424 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1000 powershell.exe Token: SeDebugPrivilege 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Token: SeImpersonatePrivilege 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 444 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 4524 powershell.exe Token: SeSystemEnvironmentPrivilege 4100 csrss.exe Token: SeSecurityPrivilege 3460 sc.exe Token: SeSecurityPrivilege 3460 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1000 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 94 PID 1976 wrote to memory of 1000 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 94 PID 1976 wrote to memory of 1000 1976 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 94 PID 3892 wrote to memory of 4052 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 106 PID 3892 wrote to memory of 4052 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 106 PID 3892 wrote to memory of 4052 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 106 PID 3892 wrote to memory of 4268 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 108 PID 3892 wrote to memory of 4268 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 108 PID 4268 wrote to memory of 4364 4268 cmd.exe 110 PID 4268 wrote to memory of 4364 4268 cmd.exe 110 PID 3892 wrote to memory of 444 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 112 PID 3892 wrote to memory of 444 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 112 PID 3892 wrote to memory of 444 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 112 PID 3892 wrote to memory of 4720 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 114 PID 3892 wrote to memory of 4720 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 114 PID 3892 wrote to memory of 4720 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 114 PID 3892 wrote to memory of 4100 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 116 PID 3892 wrote to memory of 4100 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 116 PID 3892 wrote to memory of 4100 3892 ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe 116 PID 4100 wrote to memory of 4308 4100 csrss.exe 117 PID 4100 wrote to memory of 4308 4100 csrss.exe 117 PID 4100 wrote to memory of 4308 4100 csrss.exe 117 PID 4100 wrote to memory of 1276 4100 csrss.exe 122 PID 4100 wrote to memory of 1276 4100 csrss.exe 122 PID 4100 wrote to memory of 1276 4100 csrss.exe 122 PID 4100 wrote to memory of 4524 4100 csrss.exe 125 PID 4100 wrote to memory of 4524 4100 csrss.exe 125 PID 4100 wrote to memory of 4524 4100 csrss.exe 125 PID 4100 wrote to memory of 3424 4100 csrss.exe 128 PID 4100 wrote to memory of 3424 4100 csrss.exe 128 PID 4440 wrote to memory of 1612 4440 windefender.exe 135 PID 4440 wrote to memory of 1612 4440 windefender.exe 135 PID 4440 wrote to memory of 1612 4440 windefender.exe 135 PID 1612 wrote to memory of 3460 1612 cmd.exe 136 PID 1612 wrote to memory of 3460 1612 cmd.exe 136 PID 1612 wrote to memory of 3460 1612 cmd.exe 136 -
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\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1000
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C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.exe"C:\Users\Admin\AppData\Local\Temp\ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a.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:3892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4052
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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:4268 -
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:4364
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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:444
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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:4720
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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:4100 -
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:4308
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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:3184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3588
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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:1276
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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:4524
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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:3424
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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:1696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4440 -
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:1612 -
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:3460
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4292,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4572 /prefetch:81⤵PID:1732
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5024
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
MD5942fea5c524f4cf1509dec93a1bbc386
SHA1c4601f216bd7d9fd8da59ad6ed1f6a4efae237af
SHA2561261c6ddf69cba3e6b9452fde7429e14b58fe293b807c7317fca15ba30c2db34
SHA51215ce6f794283f21c90f4b6d1205aba1667040831eee52dfcd8a1579c6d525024e55c544ac8bc14c475296db28850e83220a5f90c115382d6de39499ce5b88f33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b7af4a60fb3e686e0643f7aa4d6f56a
SHA1283d9014aac82d095414e8253602307a3148f789
SHA256e520153eb202b6003d9d36e737054bbbe78aa73028952f92f0fa0a1bc22d88e2
SHA5120e84ba983dab0cdeddb0df748feb92b32978f45626d5de26917a2476c99bf8ee265bef48f17597277b30adfbdb983019ba6a0aa97a72517364c305bffa06072d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD505cf7dcab8a9d27d0d3303155f84f734
SHA18533d6a9558c7ed7cbdffcbab3f2170b17dbf1d6
SHA2565e3bdc25cd821b3ef52cce3700f8ed6fd09e7119280f9b11099e4bf94a94a903
SHA5125aad94f574f5779a8554b12d5ec973696542d33f4fe7fab3904c8cbbff38b785c44898e95f0ec5861b41ca4b3a60ea322f9fe5bc5ee2089f57852b4f9df55da6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5414b608d1f0a8932a3b0c9d56b8a9264
SHA11005a519fa1ae865106728ba3fabf8f2c3e109b7
SHA2564d839bdfe5cb5442f2c63c163b0bcedb2df493192384cff61b14149ca07e0d89
SHA5129c9c8ebe1a8ba0c3667f1c2948c9009ee842f6820a38de07d20be3a271c6bc065fe4ed19309464c7a08aff55937bcebba4c8501230eb46035c76dc62f017a372
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9a59615ecc6c0ddaeb3be40c8c79ab9
SHA17c72b0db1687f90a6c7ac1bc81096078736a4817
SHA256b68eb99dcaedb619916c0d2c058ed0d0c0261a255bba45f1f5a33616abb46df6
SHA512af8eb2550d0405ceba21ef9773f74c07908482d5649aabf05f5c92cd35bdcaa237803430badabd2c32145cde89a153c0f2f592413b062933e5b5a0f3aab7f242
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Filesize
4.1MB
MD58138c6f377a0a3169c6ccd074b5c8f86
SHA1d29f58c813da21c931fc6fa432414221127884f6
SHA256ea9192da8bf60812d5cdc7765125ffc23491139cbc7783e016adcd65674a2b0a
SHA5123547d7f938839c8e0bf7aa2166d5db000b0cd4d1c40393420ed054173729a8386601174760bc39684c4522f9978fc2b58eae2ac25c018d8eb49dda941c627b9d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec