Analysis
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max time kernel
150s -
max time network
156s -
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 07:03
Static task
static1
Behavioral task
behavioral1
Sample
54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe
Resource
win10v2004-20240412-en
General
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Target
54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe
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Size
4.2MB
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MD5
252592cd6e55d92793e5e528150da5ba
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SHA1
336040826dbafbc59e772f83833b53a5bb68d86b
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SHA256
54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1
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SHA512
f6168e606009491a746632dbba00e2e2ccb1ae526efeb7f7be116ad357344d53c0c32108dc8c5d1063eb66e6757892bf99c5c87fb22006b9c53fa236149a51e4
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SSDEEP
98304:XNkDk7Y2e9fhWY+LbgLFpBVAayCN/CB0J4dlv7S/k29jp/4u:+k7LeNhW/+FpBVAa19Ce4dlv7wZ4u
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/1112-2-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral2/memory/1112-3-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/1112-44-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/1112-54-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/1112-55-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral2/memory/916-56-0x0000000004E20000-0x000000000521F000-memory.dmp family_glupteba behavioral2/memory/916-57-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/916-81-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/916-113-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/916-114-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/916-132-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/916-152-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-181-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-239-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-251-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-258-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-261-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-264-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-267-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-270-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba behavioral2/memory/3000-273-0x0000000000400000-0x0000000003111000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4088 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3000 csrss.exe 2416 injector.exe 4724 windefender.exe 2256 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-250.dat upx behavioral2/memory/4724-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2256-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2256-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2516240262-2296879883-3965305654-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe File created C:\Windows\rss\csrss.exe 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5028 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 4024 schtasks.exe 3252 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\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.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,-451 = "Caucasus Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.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,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe 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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard 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" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4580 powershell.exe 4580 powershell.exe 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 656 powershell.exe 656 powershell.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 4260 powershell.exe 4260 powershell.exe 3624 powershell.exe 3624 powershell.exe 1472 powershell.exe 1472 powershell.exe 4576 powershell.exe 4576 powershell.exe 4204 powershell.exe 4204 powershell.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 3000 csrss.exe 3000 csrss.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 3000 csrss.exe 3000 csrss.exe 2416 injector.exe 2416 injector.exe 3000 csrss.exe 3000 csrss.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe 2416 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Token: SeImpersonatePrivilege 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe Token: SeDebugPrivilege 656 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeSystemEnvironmentPrivilege 3000 csrss.exe Token: SeSecurityPrivilege 5028 sc.exe Token: SeSecurityPrivilege 5028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1112 wrote to memory of 4580 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 81 PID 1112 wrote to memory of 4580 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 81 PID 1112 wrote to memory of 4580 1112 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 81 PID 916 wrote to memory of 656 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 86 PID 916 wrote to memory of 656 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 86 PID 916 wrote to memory of 656 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 86 PID 916 wrote to memory of 2448 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 88 PID 916 wrote to memory of 2448 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 88 PID 2448 wrote to memory of 4088 2448 cmd.exe 90 PID 2448 wrote to memory of 4088 2448 cmd.exe 90 PID 916 wrote to memory of 4260 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 91 PID 916 wrote to memory of 4260 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 91 PID 916 wrote to memory of 4260 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 91 PID 916 wrote to memory of 3624 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 93 PID 916 wrote to memory of 3624 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 93 PID 916 wrote to memory of 3624 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 93 PID 916 wrote to memory of 3000 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 95 PID 916 wrote to memory of 3000 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 95 PID 916 wrote to memory of 3000 916 54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe 95 PID 3000 wrote to memory of 1472 3000 csrss.exe 96 PID 3000 wrote to memory of 1472 3000 csrss.exe 96 PID 3000 wrote to memory of 1472 3000 csrss.exe 96 PID 3000 wrote to memory of 4576 3000 csrss.exe 102 PID 3000 wrote to memory of 4576 3000 csrss.exe 102 PID 3000 wrote to memory of 4576 3000 csrss.exe 102 PID 3000 wrote to memory of 4204 3000 csrss.exe 104 PID 3000 wrote to memory of 4204 3000 csrss.exe 104 PID 3000 wrote to memory of 4204 3000 csrss.exe 104 PID 3000 wrote to memory of 2416 3000 csrss.exe 106 PID 3000 wrote to memory of 2416 3000 csrss.exe 106 PID 4724 wrote to memory of 2604 4724 windefender.exe 112 PID 4724 wrote to memory of 2604 4724 windefender.exe 112 PID 4724 wrote to memory of 2604 4724 windefender.exe 112 PID 2604 wrote to memory of 5028 2604 cmd.exe 113 PID 2604 wrote to memory of 5028 2604 cmd.exe 113 PID 2604 wrote to memory of 5028 2604 cmd.exe 113 -
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\54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe"C:\Users\Admin\AppData\Local\Temp\54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4580
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C:\Users\Admin\AppData\Local\Temp\54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.exe"C:\Users\Admin\AppData\Local\Temp\54882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1.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:916 -
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:656
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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:2448 -
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:4088
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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:4260
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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:3624
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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:3000 -
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:1472
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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:4024
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2148
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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:4576
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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:4204
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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:2416
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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:3252
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4724 -
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:2604 -
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:5028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2256
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
MD5f4317fb1b465bc1fa1cd2a3fd1d5458c
SHA1f13de1efabcdc581ddb3593620067bc866871347
SHA25644cca48ea5e4a988bc0029a2b9413899fca3824ada6cc39837bc7e2f2f131e98
SHA5127decdae21af74849901b39da5867f29a73cd19caf1f2dde7c9327ffc653c9cb981b06ae14c2eff86bff31fc7dc9d14a2fb5cebf2dd0ad255ba92fa743318e0ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c43cbd63d178ccabcaf2293540ad41b8
SHA19ce4e54d341bf592f80fb2069e341ea647e1ff97
SHA2568cdeb1251b2d7a9a49f6c88fb96a8e2a7dbe99e270574c3b402041988e17273f
SHA512441acf8f19a215a6f1683838cc326673b00f6bf727c736ac3816235059a23e0560aa9030fd4edcc002d972d3fa92f323819eb19b6b20c7cbee136f93cdaf3bc5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ee5ffc0ec96f9f5e63378df259a3645
SHA14640a200e20e48e1bfafb65c3db75952fec49b71
SHA2563d7895f77dd0bf13f1fff2b32ce26198656733a853db3f5e376497ee3dadf6b0
SHA512da4db95f981b6c92dcbf99e724c57720a9d80b2661bbd4641a84c905c0d1cfe7e8f077e841102e54b037271ad42ab49197fc848a87842616090870eab54e466a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52365e46fe313cf51009a0d9c856da610
SHA1d55048713bd0c3f67dade3dc2f2f68d9364c8c5a
SHA2569007b95665b9c384b259b8eb353307b52bf09cd31e81020d342a70367916f70c
SHA512d80c0a4228ec5f2040aed81309412e538674708aa7a72a7a8cf80ec44012ca241e47a1c0155f6f6eb9679b1c5e56f70680a76cde4cfc1b52319374dbd300e61e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567b8aa29fecf3332c92fa88646bc2abb
SHA1fd0c7d421329b9b4a5ff54949f17daab2c25a417
SHA256030bc9bc9ac5afd3ec13f378734154ceea80d1b11103b2b32c6623e66d37cc6f
SHA512ca1c1c6fd8c5c67bfe8e2a44fc1535483400f5cd1ab728dce48313f7c6087aae9fc2bd98c51647cacd62ed44f4a3a38e3c1c9999a157c6afee48e39e402e6b9a
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Filesize
4.2MB
MD5252592cd6e55d92793e5e528150da5ba
SHA1336040826dbafbc59e772f83833b53a5bb68d86b
SHA25654882bd0faf32aac1a6b948ef31f7e8d2d2649b34236746cb0c2ced68f6a67d1
SHA512f6168e606009491a746632dbba00e2e2ccb1ae526efeb7f7be116ad357344d53c0c32108dc8c5d1063eb66e6757892bf99c5c87fb22006b9c53fa236149a51e4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec