Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 17:28
Static task
static1
Behavioral task
behavioral1
Sample
d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe
Resource
win10v2004-20240426-en
General
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Target
d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe
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Size
4.1MB
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MD5
08e7d374dc0d773de78493ed8559549e
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SHA1
a5e340a6677a3c0b64786ce4191c1b4396534f97
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SHA256
d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9
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SHA512
4fb5b33f3573ac1acb0b6ae20adfe8129c27f02bcde36ad4ec218ea435416cd9f5f771059e7d5c495922986feebcd9dc8f6ef188f4fa3442fa68d77360713c00
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SSDEEP
98304:rlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31Kmzz:x7B3j0rWdEQQ059Cfd4xbkE91Kmf
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4880-2-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral2/memory/4880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-47-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4880-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4880-51-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral2/memory/4880-48-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1632-64-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1632-124-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-197-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-204-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-217-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-219-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-223-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-225-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/2788-227-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4700 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2788 csrss.exe 788 injector.exe 3032 windefender.exe 1952 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa57-207.dat upx behavioral2/memory/3032-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3032-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1952-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1952-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe File created C:\Windows\rss\csrss.exe d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.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 484 sc.exe -
pid Process 4404 powershell.exe 1508 powershell.exe 3380 powershell.exe 4648 powershell.exe 3168 powershell.exe 2976 powershell.exe 2512 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 4964 schtasks.exe 3112 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.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" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-1841 = "Russia TZ 4 Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 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\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar 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\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4404 powershell.exe 4404 powershell.exe 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1508 powershell.exe 1508 powershell.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 3380 powershell.exe 3380 powershell.exe 4648 powershell.exe 4648 powershell.exe 3168 powershell.exe 3168 powershell.exe 2976 powershell.exe 2976 powershell.exe 2512 powershell.exe 2512 powershell.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2788 csrss.exe 2788 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2788 csrss.exe 2788 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 2788 csrss.exe 2788 csrss.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe 788 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Token: SeImpersonatePrivilege 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeSystemEnvironmentPrivilege 2788 csrss.exe Token: SeSecurityPrivilege 484 sc.exe Token: SeSecurityPrivilege 484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4880 wrote to memory of 4404 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 78 PID 4880 wrote to memory of 4404 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 78 PID 4880 wrote to memory of 4404 4880 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 78 PID 1632 wrote to memory of 1508 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 83 PID 1632 wrote to memory of 1508 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 83 PID 1632 wrote to memory of 1508 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 83 PID 1632 wrote to memory of 4452 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 85 PID 1632 wrote to memory of 4452 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 85 PID 4452 wrote to memory of 4700 4452 cmd.exe 87 PID 4452 wrote to memory of 4700 4452 cmd.exe 87 PID 1632 wrote to memory of 3380 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 88 PID 1632 wrote to memory of 3380 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 88 PID 1632 wrote to memory of 3380 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 88 PID 1632 wrote to memory of 4648 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 90 PID 1632 wrote to memory of 4648 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 90 PID 1632 wrote to memory of 4648 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 90 PID 1632 wrote to memory of 2788 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 92 PID 1632 wrote to memory of 2788 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 92 PID 1632 wrote to memory of 2788 1632 d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe 92 PID 2788 wrote to memory of 3168 2788 csrss.exe 93 PID 2788 wrote to memory of 3168 2788 csrss.exe 93 PID 2788 wrote to memory of 3168 2788 csrss.exe 93 PID 2788 wrote to memory of 2976 2788 csrss.exe 99 PID 2788 wrote to memory of 2976 2788 csrss.exe 99 PID 2788 wrote to memory of 2976 2788 csrss.exe 99 PID 2788 wrote to memory of 2512 2788 csrss.exe 101 PID 2788 wrote to memory of 2512 2788 csrss.exe 101 PID 2788 wrote to memory of 2512 2788 csrss.exe 101 PID 2788 wrote to memory of 788 2788 csrss.exe 103 PID 2788 wrote to memory of 788 2788 csrss.exe 103 PID 3032 wrote to memory of 2992 3032 windefender.exe 109 PID 3032 wrote to memory of 2992 3032 windefender.exe 109 PID 3032 wrote to memory of 2992 3032 windefender.exe 109 PID 2992 wrote to memory of 484 2992 cmd.exe 110 PID 2992 wrote to memory of 484 2992 cmd.exe 110 PID 2992 wrote to memory of 484 2992 cmd.exe 110 -
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\d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe"C:\Users\Admin\AppData\Local\Temp\d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4404
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C:\Users\Admin\AppData\Local\Temp\d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.exe"C:\Users\Admin\AppData\Local\Temp\d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9.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:1632 -
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:1508
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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:4452 -
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:4700
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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:3380
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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:4648
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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:2788 -
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:3168
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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:4964
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4688
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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:2976
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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:2512
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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:788
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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:3112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3032 -
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:2992 -
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:484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1952
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
MD547baabd2c1a4f3d6b976bb977d29d6f6
SHA126e80092e02244725d1c990df4a4cdd2e44d7346
SHA2563c003cd936a700b584bfbc6ef081bc9a6242a97c82a2e5119d495ed2cc235741
SHA512fc9bb00ad16c84fe5f81972fc523106d59879a22a855136ba7858a622be0b426ac7a56116e9f5fe1c67ed5cc1042e82e14a0a5f661035feb1172cec34c3413d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5391c10e797bf132650d1fdc6af27c7dd
SHA16c1e926ec2ab0105c318934dfbf167e49161efc8
SHA256d7cef29d0f29c2aeef9e7c72dc7102e2de54ac81daa3c601b35e8786ef93440f
SHA5129bfa620758f89b9076cd14f5396f056ccea85a74843ece777dceffb0750fd7313b2ba3de351cb9d70411d158cfbbe0dc91f17c37d6dd6a8e2809ce634a4729a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526fd155bf91406d44239f6d61933c645
SHA13ab136b0837adaf08ca48e0764076793703c40d2
SHA256bc83503a784e9238ff83c013d3b5c8fe0a0207f67aec144bdcd65bd9ed51ec7d
SHA5121296977a12370fed741701ad9b6d727fa286a9facc6f42f92a38c1fdc1a016d5cfae2df42e04dc20658b9c89d7cc3eff43e03dffe3d1d6ae39b19cd5bd1e0f21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558aa02ece007d550f9be26130916dda3
SHA1a862ad5ff6697939ef92042e87b4c08c4fddf988
SHA256c996edf45fc1ab96b74854f2aedec4c31f52850faa1d908f5d1f3aed862ccc74
SHA512778f88f1efcb72c2a22aa4f7614c08756c2aa76cf52287b4c957359341bc806adae8b056933b8ede90cfa658f96e170be90ff9e47f9fd9f069f971cda0bcea41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556c8c18aecf99da6e6e066b83071ef59
SHA12eba027acc5fd54b06f1cf16bfd9688a10cd95cb
SHA256d7abacd8e4a6e3055b854123bf8ab019f522dafcfd7125e75a9eab0a23f1ffb2
SHA512b3e207c2aff8c68f608b7917322b65fd86f4b619910314b9343ed6828cee74837b1834510d1bdd0c2d9d4bbefc770cd730b06caa1c0d7ffff35706c05fa8ce08
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Filesize
4.1MB
MD508e7d374dc0d773de78493ed8559549e
SHA1a5e340a6677a3c0b64786ce4191c1b4396534f97
SHA256d053e2d39c6e74b1e7bf19693fb97b19d751ff1ab4a6d7df8426195935ab31b9
SHA5124fb5b33f3573ac1acb0b6ae20adfe8129c27f02bcde36ad4ec218ea435416cd9f5f771059e7d5c495922986feebcd9dc8f6ef188f4fa3442fa68d77360713c00
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec