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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2023, 19:42
Static task
static1
General
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Target
48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe
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Size
4.1MB
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MD5
f490fa8194eb216835fda4acb2b5fb27
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SHA1
cfde4db286d54cf0400d62e8733d48618a153446
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SHA256
48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492
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SHA512
fa54694ff06fd8ebb5e3109a1deab3e734624462b56415e392983f4df52c1593d2471aff7e111074a70a51984af952926fdba2f0236ca46f40cead16a7a19cec
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SSDEEP
98304:Vf63D8+4ZduuLmMJOCX9iDFxVUeqf5yUkLtXKJNkQGYriDdLNnZ:s3D8+4qykCtMrVg6XKNFriDVNnZ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2352-2-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/2352-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2352-24-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/2352-26-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2824-60-0x0000000002F00000-0x00000000037EB000-memory.dmp family_glupteba behavioral1/memory/2824-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2352-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2824-92-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2824-160-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-254-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-268-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-284-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-290-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-293-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/568-301-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4036 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 568 csrss.exe 4144 injector.exe 1352 windefender.exe 636 windefender.exe 3568 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000b000000022d22-264.dat upx behavioral1/files/0x000b000000022d22-266.dat upx behavioral1/files/0x000b000000022d22-267.dat upx behavioral1/memory/1352-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000900000002147a-299.dat upx behavioral1/files/0x000900000002147a-302.dat upx behavioral1/memory/636-304-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe File created C:\Windows\rss\csrss.exe 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.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 2108 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 464 schtasks.exe 4396 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\1a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1632 powershell.exe 1632 powershell.exe 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 4592 powershell.exe 4592 powershell.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 1512 powershell.exe 1512 powershell.exe 4436 powershell.exe 4436 powershell.exe 2288 powershell.exe 2288 powershell.exe 4756 powershell.exe 4756 powershell.exe 3644 powershell.exe 3644 powershell.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 568 csrss.exe 568 csrss.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 568 csrss.exe 568 csrss.exe 568 csrss.exe 568 csrss.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe 4144 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Token: SeImpersonatePrivilege 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeSystemEnvironmentPrivilege 568 csrss.exe Token: SeSecurityPrivilege 2108 sc.exe Token: SeSecurityPrivilege 2108 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2352 wrote to memory of 1632 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 93 PID 2352 wrote to memory of 1632 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 93 PID 2352 wrote to memory of 1632 2352 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 93 PID 2824 wrote to memory of 4592 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 98 PID 2824 wrote to memory of 4592 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 98 PID 2824 wrote to memory of 4592 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 98 PID 2824 wrote to memory of 3120 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 101 PID 2824 wrote to memory of 3120 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 101 PID 3120 wrote to memory of 4036 3120 cmd.exe 103 PID 3120 wrote to memory of 4036 3120 cmd.exe 103 PID 2824 wrote to memory of 1512 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 105 PID 2824 wrote to memory of 1512 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 105 PID 2824 wrote to memory of 1512 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 105 PID 2824 wrote to memory of 4436 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 107 PID 2824 wrote to memory of 4436 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 107 PID 2824 wrote to memory of 4436 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 107 PID 2824 wrote to memory of 568 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 110 PID 2824 wrote to memory of 568 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 110 PID 2824 wrote to memory of 568 2824 48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe 110 PID 568 wrote to memory of 2288 568 csrss.exe 112 PID 568 wrote to memory of 2288 568 csrss.exe 112 PID 568 wrote to memory of 2288 568 csrss.exe 112 PID 568 wrote to memory of 4756 568 csrss.exe 118 PID 568 wrote to memory of 4756 568 csrss.exe 118 PID 568 wrote to memory of 4756 568 csrss.exe 118 PID 568 wrote to memory of 3644 568 csrss.exe 120 PID 568 wrote to memory of 3644 568 csrss.exe 120 PID 568 wrote to memory of 3644 568 csrss.exe 120 PID 568 wrote to memory of 4144 568 csrss.exe 123 PID 568 wrote to memory of 4144 568 csrss.exe 123 PID 1352 wrote to memory of 2312 1352 windefender.exe 129 PID 1352 wrote to memory of 2312 1352 windefender.exe 129 PID 1352 wrote to memory of 2312 1352 windefender.exe 129 PID 2312 wrote to memory of 2108 2312 cmd.exe 130 PID 2312 wrote to memory of 2108 2312 cmd.exe 130 PID 2312 wrote to memory of 2108 2312 cmd.exe 130 PID 568 wrote to memory of 3568 568 csrss.exe 138 PID 568 wrote to memory of 3568 568 csrss.exe 138 PID 568 wrote to memory of 3568 568 csrss.exe 138 -
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\48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe"C:\Users\Admin\AppData\Local\Temp\48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1632
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C:\Users\Admin\AppData\Local\Temp\48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.exe"C:\Users\Admin\AppData\Local\Temp\48d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492.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:2824 -
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:4592
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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:3120 -
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:4036
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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:1512
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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:4436
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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:568 -
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:2288
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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:464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4984
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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:4756
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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:3644
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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:4144
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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:4396
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1352 -
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:2312 -
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:2108
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3568
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:636
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5391ac4c414310654f8d935bc4bf54340
SHA15ef17f14dbe963337fe2cf9896805643a77b1e0d
SHA2560887697d8ebc4e0b7b04bf42b022ba3cc7d39501dfe80c3f140a65f01683d989
SHA512180c9e7052a69ed1b93c6807280a27daad0d5c54bcef17756a9790613c5b9d51d403df5aff24698768f998ce3a85c73b145f100f8122e45a9c6985567cdd913e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563a0fab734560b5322d5bfed5c070829
SHA1f0445abf6b9ec107ecdb8667be8edb5560e98845
SHA256cd7c64fae327f93d3355cf76d6968f2c2f74181b56390e0d58cedea8b3a054a1
SHA512d83c2c0cf52b38c814e4360e7baa6c46d214d321ab3779439c22bb51a1e91c3bd1ce1f822c6a134d6b7028f743fe7aa6a83e78c69fa5b5aa429d759076c20ea0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571426182832add948e17935d6662e229
SHA17aabfc95e5f6be31fcea0d33e9df2b15981d4b0e
SHA2561dd31d0d76f3867d17f523c8c83768b377f45908a7e7b45d2b48d52e5fe29ec3
SHA5127cec53f84d760fd922f38c390958cba3f1f18e05dc37e03e927ea2fdd7e781a6c06f4a22846a21e8609f748a772ce4be0a4375815f5bd2656907c21085493cee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5567ae49ae59165dc7c090bb2aa05359d
SHA1cec0364ee2b4f4b4892ebbbd46f30a02e4655a41
SHA256897450c510c2fee83783d8087aac2d302d41b18953ca918c93e41b036db25b17
SHA512c397497663b7206780f481fb808180953c21d7c7f5016fe16ed1ed1665efe7b3fda3169612e1af9578a07f05f951c5a32262e39b8f8700bf5cac224f52cc755e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eecdc385ee25eb186762b6538d1ea676
SHA162d35ab29b97fb0978615b48028164bc86b29c6b
SHA256988c933cb7d434a7b9ff3807da37ffdbe645211370af41f1ddd50ab259c9f37c
SHA512381426d7858b3d628cb615e213a8cbaa072b2881066c2f7fac11b717f4933eef0ebca325553e1c68c777cebd51ee9c265e17c2e117a62f91d9a42cf99e2404bc
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Filesize
4.1MB
MD5f490fa8194eb216835fda4acb2b5fb27
SHA1cfde4db286d54cf0400d62e8733d48618a153446
SHA25648d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492
SHA512fa54694ff06fd8ebb5e3109a1deab3e734624462b56415e392983f4df52c1593d2471aff7e111074a70a51984af952926fdba2f0236ca46f40cead16a7a19cec
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Filesize
4.1MB
MD5f490fa8194eb216835fda4acb2b5fb27
SHA1cfde4db286d54cf0400d62e8733d48618a153446
SHA25648d39ccb2434a34a77c0678692b21f450f86a89ac555bcae49a6cfcda04b0492
SHA512fa54694ff06fd8ebb5e3109a1deab3e734624462b56415e392983f4df52c1593d2471aff7e111074a70a51984af952926fdba2f0236ca46f40cead16a7a19cec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec