Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 18:14
Static task
static1
Behavioral task
behavioral1
Sample
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe
Resource
win10v2004-20240412-en
General
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Target
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe
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Size
4.2MB
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MD5
e07ccfe73fe8e1be14ca339fd3505681
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SHA1
cadfce42783bab8f97b2ad7586518854ab06ef86
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SHA256
bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b
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SHA512
8fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCD:OAu+ENnjVyYiVNw4a
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4828-2-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral1/memory/4828-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2092-54-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2092-55-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/4828-83-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2092-145-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2092-184-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-252-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-287-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-296-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-303-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2764-307-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2296 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2764 csrss.exe 4008 injector.exe 1312 windefender.exe 3940 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002349a-257.dat upx behavioral1/memory/1312-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3940-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3940-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 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 -
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 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe File created C:\Windows\rss\csrss.exe bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4504 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4540 schtasks.exe 2780 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.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\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.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\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.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\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1152 powershell.exe 1152 powershell.exe 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 1740 powershell.exe 1740 powershell.exe 1740 powershell.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 4152 powershell.exe 4152 powershell.exe 3140 powershell.exe 3140 powershell.exe 4768 powershell.exe 4768 powershell.exe 3624 powershell.exe 3624 powershell.exe 232 powershell.exe 232 powershell.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 2764 csrss.exe 2764 csrss.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 2764 csrss.exe 2764 csrss.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 2764 csrss.exe 2764 csrss.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe 4008 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Token: SeImpersonatePrivilege 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeSystemEnvironmentPrivilege 2764 csrss.exe Token: SeSecurityPrivilege 4504 sc.exe Token: SeSecurityPrivilege 4504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4828 wrote to memory of 1152 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 92 PID 4828 wrote to memory of 1152 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 92 PID 4828 wrote to memory of 1152 4828 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 92 PID 2092 wrote to memory of 1740 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 100 PID 2092 wrote to memory of 1740 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 100 PID 2092 wrote to memory of 1740 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 100 PID 2092 wrote to memory of 4692 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 102 PID 2092 wrote to memory of 4692 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 102 PID 4692 wrote to memory of 2296 4692 cmd.exe 104 PID 4692 wrote to memory of 2296 4692 cmd.exe 104 PID 2092 wrote to memory of 4152 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 105 PID 2092 wrote to memory of 4152 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 105 PID 2092 wrote to memory of 4152 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 105 PID 2092 wrote to memory of 3140 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 107 PID 2092 wrote to memory of 3140 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 107 PID 2092 wrote to memory of 3140 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 107 PID 2092 wrote to memory of 2764 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 109 PID 2092 wrote to memory of 2764 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 109 PID 2092 wrote to memory of 2764 2092 bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe 109 PID 2764 wrote to memory of 4768 2764 csrss.exe 110 PID 2764 wrote to memory of 4768 2764 csrss.exe 110 PID 2764 wrote to memory of 4768 2764 csrss.exe 110 PID 2764 wrote to memory of 3624 2764 csrss.exe 116 PID 2764 wrote to memory of 3624 2764 csrss.exe 116 PID 2764 wrote to memory of 3624 2764 csrss.exe 116 PID 2764 wrote to memory of 232 2764 csrss.exe 118 PID 2764 wrote to memory of 232 2764 csrss.exe 118 PID 2764 wrote to memory of 232 2764 csrss.exe 118 PID 2764 wrote to memory of 4008 2764 csrss.exe 120 PID 2764 wrote to memory of 4008 2764 csrss.exe 120 PID 1312 wrote to memory of 2196 1312 windefender.exe 128 PID 1312 wrote to memory of 2196 1312 windefender.exe 128 PID 1312 wrote to memory of 2196 1312 windefender.exe 128 PID 2196 wrote to memory of 4504 2196 cmd.exe 129 PID 2196 wrote to memory of 4504 2196 cmd.exe 129 PID 2196 wrote to memory of 4504 2196 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.exe"C:\Users\Admin\AppData\Local\Temp\bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b.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:2092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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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:4692 -
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:2296
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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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:2764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4768
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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:4540
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:232
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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:4008
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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:2780
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1312 -
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:2196 -
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:4504
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3940
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
MD57dad4244872a36155712bc55daf9e3b3
SHA1cfaa3fad113befac56ee5b09f0eae8af898214df
SHA256b0c41aeb7a77b73c892bccbb2dd5a2be36c7da7c75b1db64086bc465c7e03d88
SHA5125e278edddc2572c4beb285c7380dc1674defb1280f5e5f2c6999de9fb3a3cb84d8b36e69a3045ccdb297329bfbdce13ed43100d6a6292754460c411a41f36710
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b8f19adb086498702aaedcffcbc8b0e
SHA133fc9e073bc1800a781de9bdf1e80a62dc83dd09
SHA2568f4e09138870fc9c21eb91140ffe1e5b113d9b8feb23c49c38e9e4094e892a1d
SHA512d841d3c39b5ca358442851b745c5c97938d23ab7c6b9d3ebb9f5ad59c25b6add4315cc823267cde0f26c19258a133a7141ae070e9d3b2a5c881147d18eab9432
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52fcdcab0faea702dd81ad4b59cc3386d
SHA19c63e5fc832d6469a9aa06873b290b9582d895f8
SHA256b14d6af27dd08b782156b5e2c66e2f5309dd2ad8fd8d1dba7d15fe65233e37e6
SHA51239eab6bab6d2e23de259cef3258a53af09c0caf63d8fe7686e047cdf3722ec00cc016829f18388783ca7b943c9e175b683771b3a52e26986191d880eb84b2fe2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD530183df3981d09921218b44dd832a332
SHA11b14186880658717fd7d1627a9e4b7551f1ecbac
SHA2560f1a8de8df89a0b987273eccd7e506b62f10b0490d17cb90c57abc29353f6688
SHA5125fd87dd41ff1abbdb00691bdda99d4fd8f0ef3fc18077cb131ab3d58a3c241c04546357cdeddb4fe91644a03515864667c570c12d1e634e089d7e44d4fe4ee39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548ecd8989c82fab9a665c3a231513035
SHA1bc5de949de46f3bd6be9310e99a6c9c9a64c3ca5
SHA2561e268bfc864ab783f477be7f850a4384284bd37c0f33f53c3997655852098f81
SHA51216a31f842a825d1e4fc1225839389fa3c2f71658be21afb2eeffaa705d1a21a5e5703ce3a4a0ed96cdf6d83930e6e73ca2329e4d2726bee8534ee4b9d26be624
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Filesize
4.2MB
MD5e07ccfe73fe8e1be14ca339fd3505681
SHA1cadfce42783bab8f97b2ad7586518854ab06ef86
SHA256bf524a5297638d7e5de8d4a607d30d930b8b3e3cc71d4944610b06e63212d15b
SHA5128fbe7c5ba1b18cdeef46e658296be60050d43b43b153795510a09e29682355b8d00562d2211d5aa9ea90a658375f082f1788629fb64570e432b3868292136978
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec