Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:35
Static task
static1
Behavioral task
behavioral1
Sample
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe
Resource
win10v2004-20240426-en
General
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Target
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe
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Size
4.1MB
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MD5
bfdcd054dc39209e7aa494194c41cd68
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SHA1
b384b9076668c6da2ddc756d50e8fdaf75014933
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SHA256
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2
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SHA512
f1bd66a230540d33f580be662e2f84750d77b1e0329127bf49207088746901bb831755aaaf000b48ce5645455433c4a80cddbf1237f0867b9b5cdfad8cf0f718
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SSDEEP
98304:+k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6P:+n6bazjovoyoHfX3/GYH4
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3496-2-0x00000000046B0000-0x0000000004F9B000-memory.dmp family_glupteba behavioral2/memory/3496-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3496-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3496-54-0x00000000046B0000-0x0000000004F9B000-memory.dmp family_glupteba behavioral2/memory/3496-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1032-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4668-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3896 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4668 csrss.exe 1808 injector.exe 3540 windefender.exe 2320 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5e-208.dat upx behavioral2/memory/3540-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3540-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2320-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 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 -
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 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe File created C:\Windows\rss\csrss.exe c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.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 4952 sc.exe -
pid Process 3472 powershell.exe 2104 powershell.exe 3660 powershell.exe 3656 powershell.exe 4252 powershell.exe 2108 powershell.exe 596 powershell.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 3600 schtasks.exe 1216 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.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\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2108 powershell.exe 2108 powershell.exe 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 596 powershell.exe 596 powershell.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 3472 powershell.exe 3472 powershell.exe 2104 powershell.exe 2104 powershell.exe 3660 powershell.exe 3660 powershell.exe 3656 powershell.exe 3656 powershell.exe 4252 powershell.exe 4252 powershell.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 4668 csrss.exe 4668 csrss.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 4668 csrss.exe 4668 csrss.exe 1808 injector.exe 1808 injector.exe 4668 csrss.exe 4668 csrss.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe 1808 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Token: SeImpersonatePrivilege 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Token: SeDebugPrivilege 596 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 3660 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeSystemEnvironmentPrivilege 4668 csrss.exe Token: SeSecurityPrivilege 4952 sc.exe Token: SeSecurityPrivilege 4952 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3496 wrote to memory of 2108 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 81 PID 3496 wrote to memory of 2108 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 81 PID 3496 wrote to memory of 2108 3496 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 81 PID 1032 wrote to memory of 596 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 87 PID 1032 wrote to memory of 596 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 87 PID 1032 wrote to memory of 596 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 87 PID 1032 wrote to memory of 4648 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 89 PID 1032 wrote to memory of 4648 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 89 PID 4648 wrote to memory of 3896 4648 cmd.exe 91 PID 4648 wrote to memory of 3896 4648 cmd.exe 91 PID 1032 wrote to memory of 3472 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 92 PID 1032 wrote to memory of 3472 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 92 PID 1032 wrote to memory of 3472 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 92 PID 1032 wrote to memory of 2104 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 94 PID 1032 wrote to memory of 2104 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 94 PID 1032 wrote to memory of 2104 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 94 PID 1032 wrote to memory of 4668 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 1032 wrote to memory of 4668 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 1032 wrote to memory of 4668 1032 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 4668 wrote to memory of 3660 4668 csrss.exe 97 PID 4668 wrote to memory of 3660 4668 csrss.exe 97 PID 4668 wrote to memory of 3660 4668 csrss.exe 97 PID 4668 wrote to memory of 3656 4668 csrss.exe 103 PID 4668 wrote to memory of 3656 4668 csrss.exe 103 PID 4668 wrote to memory of 3656 4668 csrss.exe 103 PID 4668 wrote to memory of 4252 4668 csrss.exe 105 PID 4668 wrote to memory of 4252 4668 csrss.exe 105 PID 4668 wrote to memory of 4252 4668 csrss.exe 105 PID 4668 wrote to memory of 1808 4668 csrss.exe 107 PID 4668 wrote to memory of 1808 4668 csrss.exe 107 PID 3540 wrote to memory of 5012 3540 windefender.exe 113 PID 3540 wrote to memory of 5012 3540 windefender.exe 113 PID 3540 wrote to memory of 5012 3540 windefender.exe 113 PID 5012 wrote to memory of 4952 5012 cmd.exe 114 PID 5012 wrote to memory of 4952 5012 cmd.exe 114 PID 5012 wrote to memory of 4952 5012 cmd.exe 114 -
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\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.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:1032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:596
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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:4648 -
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:3896
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3472
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2104
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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:4668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3660
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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:3600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2272
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3656
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
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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:1808
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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:1216
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3540 -
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:5012 -
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:4952
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2320
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
MD5cf830837301e1997353f0f7366557169
SHA17bd3d083496bc91fae62a197c941c654a97925d4
SHA256991ff74227e21cff21f30e5a52d3d7673af183d30263c65192b89c8cecaeabbe
SHA5121d856571c7173acd4c8313d4a60b2f61d3ff3f36007c878c6234b015f349c6dfac1cce6601cbe9535c4ce60ec1025a5766e10037bdf7e53a1f83bfa1bfa7a612
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57da2b90804282d8370d9f5edbf96c215
SHA1061a01da3e3308b7f99c587fd8bd27b381f53a1d
SHA256fdd4b899c322198dc6c1fdffa070f890eb6c2b378b7a98059200d5ccf524f8bb
SHA5123709971982c6091c043ab2c3b410978da7a309f591e4a485f0c9bc7f8b24f110116fab71617cf951fa40b3a5dc5232b028797cbb35dc5246b373827b47fcef9f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5542c4d7d30f894da097d4b4055cc1c2a
SHA17577ea51d7e6120f5f7dac09e3151f89035d0e13
SHA2562380ea56a5a1b63a97bbae587b1a89b9c7315ccfe43426bf094894961d6cbcad
SHA512240fe30a5604b88a4c59009294427de74671c7bf39cfb0835f531e47c88073e00f8ab3bea3738f5796aa1e30da5ea17fc25e79e24c9344ecacae003008b7f2b7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b652763d89d8f4697d3f3d93ff2aec3a
SHA1fbe1fdb35acd15f434e0d3089d4aedf24bb60f01
SHA25679443e7a0be50bf98c5290aeaf136461b60be0661d3a34286c528264715e497d
SHA5126d9786fd30c28e523faccdc94103e2f0847249f866d2d52b63fcc68ada71ec9835b45a03097f026e01065fda5deaebd8dabece9b0a8fd70646af5b5620d997be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba80d9546e7dfb70a0f50929ada632fc
SHA1ad2d989f69c71c3ad58fff8b3b305dd8e289cc2f
SHA25601c988ca8f8ca97a29592b560176a675e73dd5faac8e30fd4d8dfd5df1eb9d34
SHA5121e9fa158b23368c85af02268c0c8da712b6090c26b8216896966d3d4a5bb81b8efd793c1f00415a115a7d755838037932810966d1569d97b3f1c4a2974f22d0e
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Filesize
4.1MB
MD5bfdcd054dc39209e7aa494194c41cd68
SHA1b384b9076668c6da2ddc756d50e8fdaf75014933
SHA256c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2
SHA512f1bd66a230540d33f580be662e2f84750d77b1e0329127bf49207088746901bb831755aaaf000b48ce5645455433c4a80cddbf1237f0867b9b5cdfad8cf0f718
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec