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Analysis
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max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 00:00
Static task
static1
Behavioral task
behavioral1
Sample
855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe
Resource
win10v2004-20240419-en
General
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Target
855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe
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Size
4.2MB
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MD5
fe3ca9dc00fbde5426e984a237d24f85
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SHA1
e97b84051cc370adf813445915359fceb4bb1644
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SHA256
855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546
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SHA512
58b5bb64baf3149bcbe9dd3ffbf39636c76f8cf4c41f73c1f8bc7a0833ff3f8fd52f52c1e4b90c8376e6554f7f84fc7a60015efd9086c9be8bb36c452a592312
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SSDEEP
98304:YaQpezkUMTE1jG98FBE9/5ssyESeegfnf4lyOj6mN9jOyo0hkLNp:YJpe4BEU98Fs/etESKJ46WSV7
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4396-2-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/4396-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4396-54-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/4396-56-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/4396-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4380-133-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-217-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-227-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-228-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-230-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-233-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-235-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-236-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-238-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-240-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-243-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-244-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-246-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral1/memory/2428-248-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1408 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2428 csrss.exe 2708 injector.exe 3928 windefender.exe 768 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023b9c-220.dat upx behavioral1/memory/3928-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3928-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/768-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.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 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe File created C:\Windows\rss\csrss.exe 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.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 4292 sc.exe -
pid Process 8 powershell.exe 3084 powershell.exe 396 powershell.exe 2212 powershell.exe 4576 powershell.exe 4532 powershell.exe 1880 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 2756 schtasks.exe 2548 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.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,-112 = "Eastern 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" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 396 powershell.exe 396 powershell.exe 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 2212 powershell.exe 2212 powershell.exe 2212 powershell.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 4576 powershell.exe 4576 powershell.exe 4576 powershell.exe 4532 powershell.exe 4532 powershell.exe 1880 powershell.exe 1880 powershell.exe 8 powershell.exe 8 powershell.exe 3084 powershell.exe 3084 powershell.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2428 csrss.exe 2428 csrss.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2428 csrss.exe 2428 csrss.exe 2708 injector.exe 2708 injector.exe 2428 csrss.exe 2428 csrss.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe 2708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 396 powershell.exe Token: SeDebugPrivilege 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Token: SeImpersonatePrivilege 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 8 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeSystemEnvironmentPrivilege 2428 csrss.exe Token: SeSecurityPrivilege 4292 sc.exe Token: SeSecurityPrivilege 4292 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4396 wrote to memory of 396 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 88 PID 4396 wrote to memory of 396 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 88 PID 4396 wrote to memory of 396 4396 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 88 PID 4380 wrote to memory of 2212 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 99 PID 4380 wrote to memory of 2212 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 99 PID 4380 wrote to memory of 2212 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 99 PID 4380 wrote to memory of 3204 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 103 PID 4380 wrote to memory of 3204 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 103 PID 3204 wrote to memory of 1408 3204 cmd.exe 105 PID 3204 wrote to memory of 1408 3204 cmd.exe 105 PID 4380 wrote to memory of 4576 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 106 PID 4380 wrote to memory of 4576 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 106 PID 4380 wrote to memory of 4576 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 106 PID 4380 wrote to memory of 4532 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 108 PID 4380 wrote to memory of 4532 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 108 PID 4380 wrote to memory of 4532 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 108 PID 4380 wrote to memory of 2428 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 110 PID 4380 wrote to memory of 2428 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 110 PID 4380 wrote to memory of 2428 4380 855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe 110 PID 2428 wrote to memory of 1880 2428 csrss.exe 111 PID 2428 wrote to memory of 1880 2428 csrss.exe 111 PID 2428 wrote to memory of 1880 2428 csrss.exe 111 PID 2428 wrote to memory of 8 2428 csrss.exe 117 PID 2428 wrote to memory of 8 2428 csrss.exe 117 PID 2428 wrote to memory of 8 2428 csrss.exe 117 PID 2428 wrote to memory of 3084 2428 csrss.exe 119 PID 2428 wrote to memory of 3084 2428 csrss.exe 119 PID 2428 wrote to memory of 3084 2428 csrss.exe 119 PID 2428 wrote to memory of 2708 2428 csrss.exe 121 PID 2428 wrote to memory of 2708 2428 csrss.exe 121 PID 3928 wrote to memory of 2160 3928 windefender.exe 129 PID 3928 wrote to memory of 2160 3928 windefender.exe 129 PID 3928 wrote to memory of 2160 3928 windefender.exe 129 PID 2160 wrote to memory of 4292 2160 cmd.exe 130 PID 2160 wrote to memory of 4292 2160 cmd.exe 130 PID 2160 wrote to memory of 4292 2160 cmd.exe 130 -
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\855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe"C:\Users\Admin\AppData\Local\Temp\855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:396
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C:\Users\Admin\AppData\Local\Temp\855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.exe"C:\Users\Admin\AppData\Local\Temp\855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546.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:4380 -
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:2212
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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:3204 -
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:1408
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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:4576
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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:4532
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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:2428 -
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:1880
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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:2756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4424
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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:8
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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:3084
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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:2708
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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:2548
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3928 -
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:2160 -
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:4292
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:768
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
MD599191863560af3c064a83c6e59334205
SHA18ce624a5aaf6e1d454b82989e41849e5dacff674
SHA256cfacb7cf94079114c5d2d7e9c427def71f04e746a6ec1638080953f8104d7023
SHA51268cf3f9b745d6523913fa952d743d6dea7ad8728094eefa825ceeb9da4df899fb3c7ca87bbd213604869971664e76fabb30afe8402a5cdaa5352ffd784bb723a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5370a490c1f24e4a067a84fdb6ef0cb87
SHA1e7085542d12967e1b1d98b4e94d5dbfd0decd127
SHA256dc650a6bc50a74bcef20c1a51a02cf0d45ee3b2d27f1cf1a8db97177763efb3e
SHA5124e96fb93db6f55dab879d3f62576043ca9c72db97347e55e5e27580bef9d258d7cfb33958be2a3aaadda58e74730af17466f8d8056392d459825169af78b647a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55fa230dc530e845123f47694d6084254
SHA17c56bc78bb19cb4309b6c824ad9ade43e887d551
SHA256341f23478f99677947a2992bb9a269325d95f62c23e47b96e6ac815a8ab9ca35
SHA512b79d8843a8804690645301b9b8cec61431792fbc4787660f402f9a827961dfc91fc379e3606eddcea12d9a15c2166c87a3c35cbff9050c36bb86f908d2a2a0ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56741513d1563afb3ace13b17547eb477
SHA163f5b3cb8c7bcf395bc1d3cfd59e4294713ff659
SHA256b7e21938514486d1d52f43bb1947e6785834afe9896c5bac32a29f04f65302cb
SHA512f4e4c21d55874bc503a4c71406030a2f25b4c4ae702efd7a29e12a0a9d6fdb572bb3b734f7a32c78aefa9498056d34ac986bb676a0af374f12ad380c5a423788
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5087732130e0dee29b15d4f13bb0d06
SHA1796f17123dc6a6cad00f17e85acbfae9765fd4ad
SHA2567fe4775782cae848cc8fe82e3e2270f3873d18ad30c5bc66abcb131fb6ba016c
SHA512a8f6d59d78d73b0e1e66cf76d73d0372cba3bcbe3806756eafaa4a2654342a27e58bb5cf14c80dba89c7b55832cfb4ebab8212833cc7bfca55b60f2bb02ebf80
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Filesize
4.2MB
MD5fe3ca9dc00fbde5426e984a237d24f85
SHA1e97b84051cc370adf813445915359fceb4bb1644
SHA256855889dfe236c5154210dd39981f2aea3bfc305dc9534571b61da07eb2cb8546
SHA51258b5bb64baf3149bcbe9dd3ffbf39636c76f8cf4c41f73c1f8bc7a0833ff3f8fd52f52c1e4b90c8376e6554f7f84fc7a60015efd9086c9be8bb36c452a592312
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec