Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/04/2024, 04:30
Static task
static1
Behavioral task
behavioral1
Sample
6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe
Resource
win10v2004-20240412-en
General
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Target
6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe
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Size
4.2MB
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MD5
e4dc21b6629f046ddbf15c9babd30c61
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SHA1
69b21a59a330531d4b9fb8028b8bdd11778ec47b
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SHA256
6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b
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SHA512
3e75b90c2a9a286ad05b63f812f9af100e3d44649ae2515cf0cd17d4e2eec5d4129cbbd2ddd6df2abe47f71056ed25ac19271752393fd06d8cd8ffef49b71799
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SSDEEP
98304:0u6/1Lj48VZFqZsWR9oqHtGnoqXJzWXLs/C3aH3n0ZdP/OLcu:piV4gqnosWoqX1aLsd3nWdP/K
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2480-2-0x00000000067F0000-0x00000000070DB000-memory.dmp family_glupteba behavioral2/memory/2480-51-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/2480-52-0x00000000067F0000-0x00000000070DB000-memory.dmp family_glupteba behavioral2/memory/852-147-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-243-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-244-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-245-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-254-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-256-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-258-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-260-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-262-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-264-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-266-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-268-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-270-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/5056-272-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5056 csrss.exe 2816 injector.exe 2032 windefender.exe 4656 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa14-248.dat upx behavioral2/memory/2032-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4656-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 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 -
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 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe File created C:\Windows\rss\csrss.exe 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.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 2052 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4044 2480 WerFault.exe 78 1116 852 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2120 schtasks.exe 1740 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.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,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2028 powershell.exe 2028 powershell.exe 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 2308 powershell.exe 2308 powershell.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 1244 powershell.exe 1244 powershell.exe 1880 powershell.exe 1880 powershell.exe 2168 powershell.exe 2168 powershell.exe 1556 powershell.exe 1556 powershell.exe 2204 powershell.exe 2204 powershell.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 5056 csrss.exe 5056 csrss.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 5056 csrss.exe 5056 csrss.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe 2816 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Token: SeImpersonatePrivilege 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 1880 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 2204 powershell.exe Token: SeSystemEnvironmentPrivilege 5056 csrss.exe Token: SeSecurityPrivilege 2052 sc.exe Token: SeSecurityPrivilege 2052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2480 wrote to memory of 2028 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 81 PID 2480 wrote to memory of 2028 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 81 PID 2480 wrote to memory of 2028 2480 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 81 PID 852 wrote to memory of 2308 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 89 PID 852 wrote to memory of 2308 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 89 PID 852 wrote to memory of 2308 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 89 PID 852 wrote to memory of 3592 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 91 PID 852 wrote to memory of 3592 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 91 PID 3592 wrote to memory of 2120 3592 cmd.exe 113 PID 3592 wrote to memory of 2120 3592 cmd.exe 113 PID 852 wrote to memory of 1244 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 94 PID 852 wrote to memory of 1244 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 94 PID 852 wrote to memory of 1244 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 94 PID 852 wrote to memory of 1880 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 96 PID 852 wrote to memory of 1880 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 96 PID 852 wrote to memory of 1880 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 96 PID 852 wrote to memory of 5056 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 98 PID 852 wrote to memory of 5056 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 98 PID 852 wrote to memory of 5056 852 6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe 98 PID 5056 wrote to memory of 2168 5056 csrss.exe 101 PID 5056 wrote to memory of 2168 5056 csrss.exe 101 PID 5056 wrote to memory of 2168 5056 csrss.exe 101 PID 5056 wrote to memory of 1556 5056 csrss.exe 107 PID 5056 wrote to memory of 1556 5056 csrss.exe 107 PID 5056 wrote to memory of 1556 5056 csrss.exe 107 PID 5056 wrote to memory of 2204 5056 csrss.exe 109 PID 5056 wrote to memory of 2204 5056 csrss.exe 109 PID 5056 wrote to memory of 2204 5056 csrss.exe 109 PID 5056 wrote to memory of 2816 5056 csrss.exe 111 PID 5056 wrote to memory of 2816 5056 csrss.exe 111 PID 2032 wrote to memory of 4772 2032 windefender.exe 117 PID 2032 wrote to memory of 4772 2032 windefender.exe 117 PID 2032 wrote to memory of 4772 2032 windefender.exe 117 PID 4772 wrote to memory of 2052 4772 cmd.exe 118 PID 4772 wrote to memory of 2052 4772 cmd.exe 118 PID 4772 wrote to memory of 2052 4772 cmd.exe 118 -
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\6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe"C:\Users\Admin\AppData\Local\Temp\6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
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C:\Users\Admin\AppData\Local\Temp\6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.exe"C:\Users\Admin\AppData\Local\Temp\6be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b.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:852 -
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:2308
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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:3592 -
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:2120
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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:1244
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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:1880
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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:5056 -
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:2168
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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:1740
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:824
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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:1556
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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:2204
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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:2816
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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:2120
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2032 -
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:4772 -
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:2052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 8123⤵
- Program crash
PID:1116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 8562⤵
- Program crash
PID:4044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2480 -ip 24801⤵PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 852 -ip 8521⤵PID:4564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4656
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550d6b3219cb35f87d157372f30e7cc3f
SHA12cb9b6f4fd95135e81279c19417b0e2ff41613a8
SHA2564062eb4ff0d30e2922e3e2fe45364e8df38f965e47d1d492b061b17eaf0ad70f
SHA5128cc93cdd9f1c597c47e1fec9cbe1eff059279962d4442afb379d90e34e7f010276fbce2556ab4a4b8a5928903c0a2376108e442c331ae63c87b160a084248999
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5751af460c719250f63fbdae538014063
SHA16a6108ecb7732d99fbbb21761023385636da5718
SHA256dc225377831d68873044cfb6f0cbf7328eeac5d1a3c4451373ebf8718ce5499d
SHA51204bf611280f04f27f52491107a27d8b35fbd611b6c140861c1a45926966b073a6be2b07b31a228a119acd9bf99d033700c0857dc412a024aa78ce8e78cf05ae9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529f7def082f7d69454a254a33934dd07
SHA1dc831a1db7b3f56b4f4a654e3955be0dbfb57a55
SHA256de00a6b3d41beb13dd986152478e6e79aced64d992c261c31c0c07e47d93f662
SHA5120c693be7529da2442fd922e05fdb33534e95155b460de1a81954f764a0ee2a34137fa442606dfc7d388cd1a09048c9a5a46d8b4ee86ed339294986b84257ad99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d831fe4b78830704c053bbb9108ffcc
SHA104af5998d6d4a0f551196439c2e3693fe0a854f8
SHA256bdc2d0190d2afa65e55d379529767677f50eee1864730f3e2efe6ecec8802367
SHA5126befa0e1f4006cc761d8cc3ce4659f879bac60acae1bf582b0764a4803e83a7ded984f96dbb4f5998c5bd874ec40b427b0f42826133dd6278eba6e772a371203
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597cad251b128b4503997240098b76f3b
SHA1e89d6b8ae4e5410e7f9a28ce85417222f49bc459
SHA2564414476f31561795c36d7533377ec1acfc3d91910eb0c75a052d2828ea11791a
SHA5122ba9b0ae3a1d38b4fa4ac410617c1d72197eb83457efc84669e149776eebb8a704147fa00fc83e555d3e00206d4d5ed737f065afb94e433c0751c8de284f21d8
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Filesize
4.2MB
MD5e4dc21b6629f046ddbf15c9babd30c61
SHA169b21a59a330531d4b9fb8028b8bdd11778ec47b
SHA2566be838d208be871d9060d04392ee36325ca3c9cb1417b85c49b86bc81c37be8b
SHA5123e75b90c2a9a286ad05b63f812f9af100e3d44649ae2515cf0cd17d4e2eec5d4129cbbd2ddd6df2abe47f71056ed25ac19271752393fd06d8cd8ffef49b71799
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec