Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:27
Static task
static1
Behavioral task
behavioral1
Sample
c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe
Resource
win10v2004-20240412-en
General
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Target
c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe
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Size
4.2MB
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MD5
65afc93fa62abd61d410206fc1229530
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SHA1
70eb477eff1ba808455854e3c734a531150c26ec
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SHA256
c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60
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SHA512
b7d8bee1848a9b34d54d6dd70a70c860a8e868ecf11e2dcfe34f7f444941afaef1f18afbf82648038ae6a9e89296068524be1df7d25afd7bef5dcb8ab64d9166
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHec:5w6rquKXDtU1Y2GYniVjUHp
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1624-2-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1624-3-0x0000000004190000-0x0000000004A7B000-memory.dmp family_glupteba behavioral2/memory/4556-53-0x00000000040C0000-0x00000000049AB000-memory.dmp family_glupteba behavioral2/memory/1624-52-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4556-54-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4556-144-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-239-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-248-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-250-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-252-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-256-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1912-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1912 csrss.exe 2968 injector.exe 1548 windefender.exe 428 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e5-242.dat upx behavioral2/memory/1548-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/428-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/428-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe File created C:\Windows\rss\csrss.exe c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.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 2764 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4048 1624 WerFault.exe 76 2584 4556 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 2180 schtasks.exe 1684 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,-181 = "Mountain Daylight Time (Mexico)" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands 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" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.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" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.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,-452 = "Caucasus Standard Time" windefender.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-292 = "Central European Standard 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\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3876 powershell.exe 3876 powershell.exe 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 3060 powershell.exe 3060 powershell.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 3880 powershell.exe 3880 powershell.exe 3916 powershell.exe 3916 powershell.exe 3376 powershell.exe 3376 powershell.exe 1492 powershell.exe 1492 powershell.exe 4060 powershell.exe 4060 powershell.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 1912 csrss.exe 1912 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 1912 csrss.exe 1912 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 1912 csrss.exe 1912 csrss.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe 2968 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Token: SeImpersonatePrivilege 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeSystemEnvironmentPrivilege 1912 csrss.exe Token: SeSecurityPrivilege 2764 sc.exe Token: SeSecurityPrivilege 2764 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1624 wrote to memory of 3876 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 80 PID 1624 wrote to memory of 3876 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 80 PID 1624 wrote to memory of 3876 1624 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 80 PID 4556 wrote to memory of 3060 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 89 PID 4556 wrote to memory of 3060 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 89 PID 4556 wrote to memory of 3060 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 89 PID 4556 wrote to memory of 1352 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 91 PID 4556 wrote to memory of 1352 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 91 PID 1352 wrote to memory of 1860 1352 cmd.exe 93 PID 1352 wrote to memory of 1860 1352 cmd.exe 93 PID 4556 wrote to memory of 3880 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 94 PID 4556 wrote to memory of 3880 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 94 PID 4556 wrote to memory of 3880 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 94 PID 4556 wrote to memory of 3916 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 96 PID 4556 wrote to memory of 3916 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 96 PID 4556 wrote to memory of 3916 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 96 PID 4556 wrote to memory of 1912 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 98 PID 4556 wrote to memory of 1912 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 98 PID 4556 wrote to memory of 1912 4556 c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe 98 PID 1912 wrote to memory of 3376 1912 csrss.exe 101 PID 1912 wrote to memory of 3376 1912 csrss.exe 101 PID 1912 wrote to memory of 3376 1912 csrss.exe 101 PID 1912 wrote to memory of 1492 1912 csrss.exe 106 PID 1912 wrote to memory of 1492 1912 csrss.exe 106 PID 1912 wrote to memory of 1492 1912 csrss.exe 106 PID 1912 wrote to memory of 4060 1912 csrss.exe 109 PID 1912 wrote to memory of 4060 1912 csrss.exe 109 PID 1912 wrote to memory of 4060 1912 csrss.exe 109 PID 1912 wrote to memory of 2968 1912 csrss.exe 111 PID 1912 wrote to memory of 2968 1912 csrss.exe 111 PID 1548 wrote to memory of 3456 1548 windefender.exe 117 PID 1548 wrote to memory of 3456 1548 windefender.exe 117 PID 1548 wrote to memory of 3456 1548 windefender.exe 117 PID 3456 wrote to memory of 2764 3456 cmd.exe 118 PID 3456 wrote to memory of 2764 3456 cmd.exe 118 PID 3456 wrote to memory of 2764 3456 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\c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe"C:\Users\Admin\AppData\Local\Temp\c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876
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C:\Users\Admin\AppData\Local\Temp\c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.exe"C:\Users\Admin\AppData\Local\Temp\c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60.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:4556 -
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:3060
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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:1352 -
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:1860
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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:3880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3916
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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:1912 -
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:3376
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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:2180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3160
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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:1492
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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:4060
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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:2968
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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:1684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1548 -
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:3456 -
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:2764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 6643⤵
- Program crash
PID:2584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 9642⤵
- Program crash
PID:4048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1624 -ip 16241⤵PID:2268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4556 -ip 45561⤵PID:1472
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:428
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc45e9f242dae0fa3a8433217870794f
SHA1e795fb683513a1f2b2b72e6115ce59759ceedb10
SHA2560c98e263f52317be5532512ad2ea889777e6fe214d65f7d788afa2729c1c2f33
SHA5123ddb0d52a5dc9b5449b0364e65e97af083c9052ee262470d5c70d5f0f80a002461270ef378dc5274111cb2587b019539ab812c61dc2dbafdbfb17d57f3738cee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5111788dd313e1afbeae17225de4d9996
SHA1338dc16bf854da3be4ea997b9bb3f42e4be3718d
SHA256b0e82fa08a20e6fd67662aa4ea57a68ee7c936d31bb53c96c9df4252762ee937
SHA51229023e189261e1e86802fcbdbd191f3adae77332a6136abbfeac5d480abdea26bd128a91a69b096c60d5eac830d7f919bbc77fb5e9b76b0e029e59df2c3f8a94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574f10300ae2d2eed275379283a30da62
SHA19a11ff25bd76854c6789cf3de163a6fd2c58e607
SHA2569da62921e3c2b386028a85d7dc893f252c8b1c0bef7b66e307a0b7161b5aa327
SHA51250e636c0420745defc8ccfc4204662549e4706167a2a1d94dfacfd6f50244359f7750a9510bf680f9c0857735df6d8757c7d35df18f746c5109df820aedb8904
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bc67923574c56103a1a633d0b49d3d7
SHA179e60515589208aba87e877d2a2cb81577102c11
SHA25687cab71e3b3cb7eeea2a2af7f43132c81e8681119eda984b567090857310038f
SHA5127965a6127e782bddc332344b7e257d312a958a9a40edf28ab44ac03599b626e051d429431d6d08583999877fd8b5d59f7c12fc8c192a137d83d749bfe696f1f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee958f3a56bd65006919c43f7204cad1
SHA15ee07c3024ac23e967548afde0ea296246a550d8
SHA256b964b8a1954601d7284e2f2e039220f66c4012385eed838101359bfb99274bab
SHA5126419afabf911f9be3397140d19bceebc857f4789bce4ee618797cf57185305b1c147a964523a8987cf8e18b3c4ceaa5e795f0386084219083700da7564af749e
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Filesize
4.2MB
MD565afc93fa62abd61d410206fc1229530
SHA170eb477eff1ba808455854e3c734a531150c26ec
SHA256c062577ae1b0f999c1439f2daaf281ef53431c6fb7bc6cea3aaa9901a82a0c60
SHA512b7d8bee1848a9b34d54d6dd70a70c860a8e868ecf11e2dcfe34f7f444941afaef1f18afbf82648038ae6a9e89296068524be1df7d25afd7bef5dcb8ab64d9166
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec