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Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 05:35
Static task
static1
Behavioral task
behavioral1
Sample
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe
Resource
win10v2004-20240426-en
General
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Target
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe
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Size
4.1MB
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MD5
abed3bc0014beb49b09ca2ee0ebb063d
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SHA1
d43743f713e669e309e07b7f666617a6410f1c04
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SHA256
adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7
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SHA512
e4b4fc0ff7bf14d903124015d834911d450bdec2eb793aaaee3c070f540faabffb0cf1ec0fed58a78bd58d46fd88f170897ff51c6e0ef37ec3104e2b5a3c99d5
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SSDEEP
98304:UWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YF:UW16ulMesXlnBp/sjruCqmtIOvaW
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4816-2-0x0000000004420000-0x0000000004D0B000-memory.dmp family_glupteba behavioral1/memory/4816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4816-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4816-57-0x0000000004420000-0x0000000004D0B000-memory.dmp family_glupteba behavioral1/memory/4816-55-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/4332-137-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-220-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-230-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-234-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-236-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-238-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-240-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-242-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-244-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-246-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-248-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-250-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-252-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3944-254-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 224 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3944 csrss.exe 4972 injector.exe 1044 windefender.exe 2692 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344c-224.dat upx behavioral1/memory/1044-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2692-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1044-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2692-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2692-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1548 sc.exe -
pid Process 3692 powershell.exe 4852 powershell.exe 2616 powershell.exe 1812 powershell.exe 3524 powershell.exe 3796 powershell.exe 3280 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3644 4816 WerFault.exe 81 1492 4332 WerFault.exe 93 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3848 schtasks.exe 3332 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-52 = "Greenland Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight 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,-381 = "South Africa Daylight 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3692 powershell.exe 3692 powershell.exe 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4852 powershell.exe 4852 powershell.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 2616 powershell.exe 2616 powershell.exe 2616 powershell.exe 1812 powershell.exe 1812 powershell.exe 1812 powershell.exe 3524 powershell.exe 3524 powershell.exe 3796 powershell.exe 3796 powershell.exe 3280 powershell.exe 3280 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3944 csrss.exe 3944 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3944 csrss.exe 3944 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3944 csrss.exe 3944 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3692 powershell.exe Token: SeDebugPrivilege 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Token: SeImpersonatePrivilege 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeSystemEnvironmentPrivilege 3944 csrss.exe Token: SeSecurityPrivilege 1548 sc.exe Token: SeSecurityPrivilege 1548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4816 wrote to memory of 3692 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 83 PID 4816 wrote to memory of 3692 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 83 PID 4816 wrote to memory of 3692 4816 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 83 PID 4332 wrote to memory of 4852 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 97 PID 4332 wrote to memory of 4852 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 97 PID 4332 wrote to memory of 4852 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 97 PID 4332 wrote to memory of 4372 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 99 PID 4332 wrote to memory of 4372 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 99 PID 4372 wrote to memory of 224 4372 cmd.exe 132 PID 4372 wrote to memory of 224 4372 cmd.exe 132 PID 4332 wrote to memory of 2616 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 104 PID 4332 wrote to memory of 2616 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 104 PID 4332 wrote to memory of 2616 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 104 PID 4332 wrote to memory of 1812 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 106 PID 4332 wrote to memory of 1812 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 106 PID 4332 wrote to memory of 1812 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 106 PID 4332 wrote to memory of 3944 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 108 PID 4332 wrote to memory of 3944 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 108 PID 4332 wrote to memory of 3944 4332 adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe 108 PID 3944 wrote to memory of 3524 3944 csrss.exe 111 PID 3944 wrote to memory of 3524 3944 csrss.exe 111 PID 3944 wrote to memory of 3524 3944 csrss.exe 111 PID 3944 wrote to memory of 3796 3944 csrss.exe 116 PID 3944 wrote to memory of 3796 3944 csrss.exe 116 PID 3944 wrote to memory of 3796 3944 csrss.exe 116 PID 3944 wrote to memory of 3280 3944 csrss.exe 119 PID 3944 wrote to memory of 3280 3944 csrss.exe 119 PID 3944 wrote to memory of 3280 3944 csrss.exe 119 PID 3944 wrote to memory of 4972 3944 csrss.exe 121 PID 3944 wrote to memory of 4972 3944 csrss.exe 121 PID 1044 wrote to memory of 464 1044 windefender.exe 127 PID 1044 wrote to memory of 464 1044 windefender.exe 127 PID 1044 wrote to memory of 464 1044 windefender.exe 127 PID 464 wrote to memory of 1548 464 cmd.exe 128 PID 464 wrote to memory of 1548 464 cmd.exe 128 PID 464 wrote to memory of 1548 464 cmd.exe 128 -
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\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3692
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C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.exe"C:\Users\Admin\AppData\Local\Temp\adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7.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:4332 -
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:4852
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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:4372 -
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:224
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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:2616
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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:1812
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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:3944 -
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:3524
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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:3848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2348
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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:3796
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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:3280
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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:4972
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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:3332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1044 -
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:464 -
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:1548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 7603⤵
- Program crash
PID:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 8642⤵
- Program crash
PID:3644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4816 -ip 48161⤵PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4332 -ip 43321⤵PID:2476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2692
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca1⤵PID:224
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
MD5ff9c23f9219a343dd0289c97d604955c
SHA1b382025dea13d7dce3e09509c0d3b50e5ef344c1
SHA25661375d7867b00b1b43bf5889247f01c0dd3efcca9acaa39c903cb700f2fe0e11
SHA512afcd6ac931b9d52fe35c3bd8c1ec2dd531e063b79c058ab44d051c03576207eadb6c9b3d627676a0bbe658e82290efca58ea071bd531d563a01689e4cab6bcd6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556600147e327d286ffc48d5ec1cdf63a
SHA1e119299fb2799484bd65c29205bd875d9120b742
SHA256efac74edc121a670be561fe679451740234317c5e1f8df8a13fb9c4a571e0047
SHA51232a23cd66a44be5e20e06ced15ba77bcb32cff4c920df55361cbfa184d02f189b92df530a08db535e2122bb203ed126d6868246877b4a776384870bca9674df9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2f47176fc2a354e5a88cc8363aae8ec
SHA1fd8fffb117a924b912995f9f2649142eabe068f8
SHA2561355eb70444d1cb698eb934a3c95f141af41fdda3961e96dc5630cb8bdf27853
SHA512dadd35287bf79125edc31724a02f4609c07f845e2fa144f1534a227e8a29119d63f5d8750aeaf8a35c4bfd524aebdc37a1805a6f9cbfc01a972466e7978d6747
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb2c6aa6c8439160d4bec763a47e9e4c
SHA14737f2b41803074750ac2e46770a4b9a14cde1da
SHA2560638920fae515da56bd7d9a139fd220f1b23a1ad2e213ed8bc311901f1db009f
SHA5123ad9a0b12a88602ad061917ec9e39dfc028f9945a6c227a02c97b077fa1ae113c12fa0a1ab96b516a158805715bffc19b0e25501ba23a2de29b950f1de28ecc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f87f6fdd9235c1f65a836d21fc6a9d5d
SHA1492755f7944d82170939d23469c43b2de44cbed2
SHA256a3ad7c3c93b425813f79d4bf65bf23eb5642d0e8e2946d3b03a5b54d68f43233
SHA512d4175e38bcb053b7b356ade3ee12ff24286558bd3e68dfdd36701d7c38283e4f5e8cfec10985003ab37740fb1a19505435fe445699b4752e2aaebfe3086f32e6
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Filesize
4.1MB
MD5abed3bc0014beb49b09ca2ee0ebb063d
SHA1d43743f713e669e309e07b7f666617a6410f1c04
SHA256adc46e0407812061af4f0882af405def3a955bfbfe4db658138f462b8db673b7
SHA512e4b4fc0ff7bf14d903124015d834911d450bdec2eb793aaaee3c070f540faabffb0cf1ec0fed58a78bd58d46fd88f170897ff51c6e0ef37ec3104e2b5a3c99d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec