Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe
Resource
win10v2004-20240426-en
General
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Target
eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe
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Size
4.1MB
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MD5
60ce4b5a82eb7916d6909e29dd7f8178
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SHA1
b0166f15533bdd19d2588cb52fc146e79750982e
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SHA256
eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135
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SHA512
07c1783183e4f460566571f19258ed537c0a664d6757c9dc4f269c9b6918ecd6430848af362b7c5f4c606e078af86c473abe9e38134b0bd3d778d99a092bab32
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SSDEEP
98304:CoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/iQ:CgrNPOj9FQvccBDkmyddxD3VFiQ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4164-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4164-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4164-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4164-54-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral2/memory/4164-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4164-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3612-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3612-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3840-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 480 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3840 csrss.exe 4884 injector.exe 2212 windefender.exe 3164 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa17-208.dat upx behavioral2/memory/2212-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3164-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2212-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3164-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3164-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 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 -
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 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.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 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe File created C:\Windows\rss\csrss.exe eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.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 4496 sc.exe -
pid Process 2428 powershell.exe 3512 powershell.exe 1856 powershell.exe 3244 powershell.exe 3528 powershell.exe 4748 powershell.exe 4488 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 2124 schtasks.exe 1404 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.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\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.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" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 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,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3512 powershell.exe 3512 powershell.exe 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 1856 powershell.exe 1856 powershell.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 3244 powershell.exe 3244 powershell.exe 3528 powershell.exe 3528 powershell.exe 4748 powershell.exe 4748 powershell.exe 4488 powershell.exe 4488 powershell.exe 2428 powershell.exe 2428 powershell.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 3840 csrss.exe 3840 csrss.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 3840 csrss.exe 3840 csrss.exe 4884 injector.exe 4884 injector.exe 3840 csrss.exe 3840 csrss.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe 4884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Token: SeImpersonatePrivilege 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeSystemEnvironmentPrivilege 3840 csrss.exe Token: SeSecurityPrivilege 4496 sc.exe Token: SeSecurityPrivilege 4496 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4164 wrote to memory of 3512 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 82 PID 4164 wrote to memory of 3512 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 82 PID 4164 wrote to memory of 3512 4164 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 82 PID 3612 wrote to memory of 1856 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 87 PID 3612 wrote to memory of 1856 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 87 PID 3612 wrote to memory of 1856 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 87 PID 3612 wrote to memory of 640 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 89 PID 3612 wrote to memory of 640 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 89 PID 640 wrote to memory of 480 640 cmd.exe 91 PID 640 wrote to memory of 480 640 cmd.exe 91 PID 3612 wrote to memory of 3244 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 92 PID 3612 wrote to memory of 3244 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 92 PID 3612 wrote to memory of 3244 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 92 PID 3612 wrote to memory of 3528 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 94 PID 3612 wrote to memory of 3528 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 94 PID 3612 wrote to memory of 3528 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 94 PID 3612 wrote to memory of 3840 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 96 PID 3612 wrote to memory of 3840 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 96 PID 3612 wrote to memory of 3840 3612 eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe 96 PID 3840 wrote to memory of 4748 3840 csrss.exe 97 PID 3840 wrote to memory of 4748 3840 csrss.exe 97 PID 3840 wrote to memory of 4748 3840 csrss.exe 97 PID 3840 wrote to memory of 4488 3840 csrss.exe 103 PID 3840 wrote to memory of 4488 3840 csrss.exe 103 PID 3840 wrote to memory of 4488 3840 csrss.exe 103 PID 3840 wrote to memory of 2428 3840 csrss.exe 105 PID 3840 wrote to memory of 2428 3840 csrss.exe 105 PID 3840 wrote to memory of 2428 3840 csrss.exe 105 PID 3840 wrote to memory of 4884 3840 csrss.exe 107 PID 3840 wrote to memory of 4884 3840 csrss.exe 107 PID 2212 wrote to memory of 8 2212 windefender.exe 113 PID 2212 wrote to memory of 8 2212 windefender.exe 113 PID 2212 wrote to memory of 8 2212 windefender.exe 113 PID 8 wrote to memory of 4496 8 cmd.exe 114 PID 8 wrote to memory of 4496 8 cmd.exe 114 PID 8 wrote to memory of 4496 8 cmd.exe 114 -
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\eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe"C:\Users\Admin\AppData\Local\Temp\eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3512
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C:\Users\Admin\AppData\Local\Temp\eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.exe"C:\Users\Admin\AppData\Local\Temp\eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135.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:3612 -
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:1856
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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:640 -
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:480
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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:3244
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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:3528
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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:3840 -
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:4748
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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:2124
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2880
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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:4488
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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:2428
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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:4884
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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:1404
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212 -
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:8 -
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:4496
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3164
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
MD509dd40e8a4ec27c89a6038433a2976b9
SHA16fa5d4b76aca9749a64b94bc6f22f303ac62d37e
SHA25655b7f6bcb3b58ad75b8f5d4b53999635b29204f74e53901b140f9ad301e7cf44
SHA5121f54c16445528fe0435a71cf3301945a6336a3baf33a8accf8e8096e9a158666fad0745ef1967dc2aa5219f3e0a26cdf50e5ae9837ff62484032451edd94947a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db4053786936409512ba71ec119cd1d8
SHA1e2adb280647759ae85bf0e357f83e718c90831ca
SHA2569f19138c5c0fcd6b27ef694b10b0fb699dbcae88321331bfc9db3032233f8387
SHA5127431d5e6f2efa4a4e848cf1c7c8aca873a2a9261292c3987ae6d9ffa50e069b5667914c9b876b1cc9cb79d007a5a64ee9a0abf2229f30940c2c7ab410662705d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD593a0e3c0b38fbaae08b4213bfe8fc7ec
SHA195dbf14528dfceb17b5a6840ccf405644b0e331e
SHA256a89693faece905b303c3462eb66d0b3f31ea92b725525167792d60bb8cfe5518
SHA5121fb99752820a4ad7c62d65ea0c95b5c17f04108b55b77d0bff1fd5b7f4baa45302f4c15b530f7d2e4a1ea2f0304935f76be0cf63ede4c6904ea508a44e457bc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f23d52dcc16f3f6f303c812a45766f62
SHA14689f66cb353f0cf4be0fa38c1793fd69f5b0129
SHA2568aa13abbd581c379a1ef81580d55030c8e37ed0f18e89f3486edf730c4885598
SHA5127fc809082aafb63262d491aeefca503ce83259c7ae3273c2e322b83b45814032a1f55694666935cb51037049505bd08ce711c50435bc601491bd29c5435e8c55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553b773cd685365d4480a621f22a5ed61
SHA10a0018aadc0bdf5ef797a400a24c94dfb009ce32
SHA2565b6d7497873cee8bbf34553c725bf769ff6de59cba6c3e7d71d3f2d61c5147a7
SHA51235c66c4f961ce5b6aece0a9a5308fa8bd0340b89496052fc642072f2dbd6a24ce41d6918815754b415a752031b02dc2df0aafc0e6b3d9c8d5766e628be34f349
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Filesize
4.1MB
MD560ce4b5a82eb7916d6909e29dd7f8178
SHA1b0166f15533bdd19d2588cb52fc146e79750982e
SHA256eb00a4ce951ec47964dfa30070eb9ebe429c90e44585e8878afbde76b3799135
SHA51207c1783183e4f460566571f19258ed537c0a664d6757c9dc4f269c9b6918ecd6430848af362b7c5f4c606e078af86c473abe9e38134b0bd3d778d99a092bab32
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec