Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe
Resource
win10v2004-20240412-en
General
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Target
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe
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Size
4.2MB
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MD5
5bd514d6768423d96321a50b5e8c1435
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SHA1
60f2313170763bc7d8ac5e3efe9176d7c19e3fcc
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SHA256
f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8
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SHA512
db54d99280a326f4a6f4966c4e16c5bfc607fb3aa38025abd24db1337ea53db10047e3b669bdd9319b09d51236f805af90d0bde44e4f98828c87c8492f97a577
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SSDEEP
98304:P/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGo:HdVQtLoTZDg5GO9Bqlcg
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3192-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/3192-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3192-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3192-57-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/3452-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3452-156-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-290-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2264-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2264 csrss.exe 1484 injector.exe 3476 windefender.exe 4056 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002340c-265.dat upx behavioral1/memory/3476-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4056-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4056-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe File created C:\Windows\rss\csrss.exe f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe File created 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 5088 sc.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 4332 schtasks.exe 4372 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1596 powershell.exe 1596 powershell.exe 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 4816 powershell.exe 4816 powershell.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 4352 powershell.exe 4352 powershell.exe 3688 powershell.exe 3688 powershell.exe 3688 powershell.exe 3848 powershell.exe 3848 powershell.exe 3848 powershell.exe 3648 powershell.exe 3648 powershell.exe 3648 powershell.exe 3972 powershell.exe 3972 powershell.exe 3972 powershell.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 2264 csrss.exe 2264 csrss.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 2264 csrss.exe 2264 csrss.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 2264 csrss.exe 2264 csrss.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe 1484 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1596 powershell.exe Token: SeDebugPrivilege 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Token: SeImpersonatePrivilege 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe Token: SeDebugPrivilege 4816 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 3688 powershell.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 3648 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeSystemEnvironmentPrivilege 2264 csrss.exe Token: SeSecurityPrivilege 5088 sc.exe Token: SeSecurityPrivilege 5088 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3192 wrote to memory of 1596 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 3192 wrote to memory of 1596 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 3192 wrote to memory of 1596 3192 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 87 PID 3452 wrote to memory of 4816 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 3452 wrote to memory of 4816 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 3452 wrote to memory of 4816 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 94 PID 3452 wrote to memory of 5012 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 97 PID 3452 wrote to memory of 5012 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 97 PID 5012 wrote to memory of 4372 5012 cmd.exe 122 PID 5012 wrote to memory of 4372 5012 cmd.exe 122 PID 3452 wrote to memory of 4352 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 124 PID 3452 wrote to memory of 4352 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 124 PID 3452 wrote to memory of 4352 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 124 PID 3452 wrote to memory of 3688 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 104 PID 3452 wrote to memory of 3688 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 104 PID 3452 wrote to memory of 3688 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 104 PID 3452 wrote to memory of 2264 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 107 PID 3452 wrote to memory of 2264 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 107 PID 3452 wrote to memory of 2264 3452 f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe 107 PID 2264 wrote to memory of 3848 2264 csrss.exe 108 PID 2264 wrote to memory of 3848 2264 csrss.exe 108 PID 2264 wrote to memory of 3848 2264 csrss.exe 108 PID 2264 wrote to memory of 3648 2264 csrss.exe 113 PID 2264 wrote to memory of 3648 2264 csrss.exe 113 PID 2264 wrote to memory of 3648 2264 csrss.exe 113 PID 2264 wrote to memory of 3972 2264 csrss.exe 117 PID 2264 wrote to memory of 3972 2264 csrss.exe 117 PID 2264 wrote to memory of 3972 2264 csrss.exe 117 PID 2264 wrote to memory of 1484 2264 csrss.exe 120 PID 2264 wrote to memory of 1484 2264 csrss.exe 120 PID 3476 wrote to memory of 4144 3476 windefender.exe 128 PID 3476 wrote to memory of 4144 3476 windefender.exe 128 PID 3476 wrote to memory of 4144 3476 windefender.exe 128 PID 4144 wrote to memory of 5088 4144 cmd.exe 129 PID 4144 wrote to memory of 5088 4144 cmd.exe 129 PID 4144 wrote to memory of 5088 4144 cmd.exe 129 -
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\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
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C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.exe"C:\Users\Admin\AppData\Local\Temp\f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8.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:3452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4816
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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:5012 -
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:4372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4352
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688
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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:2264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3848
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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:4332
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3488
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3648
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
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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:1484
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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:4372
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3476 -
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:4144 -
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:5088
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C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv MPpJRtqDdE6jtH3wWaxB9g.0.21⤵PID:4352
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4056
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dedfd2f0e1cafdc8972cc7c6cd7f7c44
SHA1a4deb59856cae2066ec708654a351b6e9dbaeda4
SHA256774ee8413cac14c3178c22fa9ae100853c46bbc6f7f9147dbb300b7291a36909
SHA5127ec442d43bd4cb2af9675ad6f336463bfc9d16e99201bcaf5fcd6838ecab97087c59267caf5dadea7da47c4f225be9332a8561b2e359c5ca1567c7e7c9dfa14a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a878959721b7d0e5e36f5e35c417da9
SHA12e444b691bd9481b526d132fc886fa2243b76bb4
SHA2566992e9b99a3df52e4dd558bfc81732a9b1801dd01b1e17e275c35052956867f5
SHA51239392d13ba949be1cc115ebd08ecfe865e0abe17ed01c56850b2debc36cb397b9ea7ca379b601859812bd17455554a30fa997690cd89c766e480326695a1d9ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5125a207c713d1048cc013bc5a67dd189
SHA1d546e87b37c8f0e00ac92f8e3d20d1f1545c8938
SHA256ff5a4535d2e9fa88eae70b22c2cf54abad808cec36d14e492a723f646411de6d
SHA512cacc415e78a19fbe5563495cbba3f46e1c2cd16aa8b835cbe1940e011e84a72bcd848e1c136f8eae78ddcf7e5c75065174fa288ac671134c35308967bea3d1ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52fb2b0fe08093a474ddede91b5bfe129
SHA1dd91d4e23feb808a627ff8503893cd0e1e76baed
SHA2561e51ef2f976de85d16e1017b91d964908488864ebbbba7df0411d20424b4fa81
SHA512b0b96392e326a086b514dc20da1bc99f17ef1ba647f8825e09c2cf4b37f14429e842e103504edad1bd19ac44d7cd50094192c7413f5b9f810459e3597854f064
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eca76d4c1c31e8fa3ea5b2d88c002432
SHA12bb6a4deb8d2ad2889d2adcc2c8ddc45c97590a9
SHA2560d79fc333848bf6e9c2c41f6daa869c02e44230d05fef979ecc879ebd0ab28a7
SHA512a12519b341cbe4001c32480af46f61c5b01f8596ec384f9a4d9f10ff15415fbc1bb55c9ee401f74ad6a0df266639a0701be8e941e2d630342a345c3d8a4b276d
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Filesize
4.2MB
MD55bd514d6768423d96321a50b5e8c1435
SHA160f2313170763bc7d8ac5e3efe9176d7c19e3fcc
SHA256f682e317ca6222a8206b6813e8169db0358c281f1ac370f0063855f360728cb8
SHA512db54d99280a326f4a6f4966c4e16c5bfc607fb3aa38025abd24db1337ea53db10047e3b669bdd9319b09d51236f805af90d0bde44e4f98828c87c8492f97a577
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec