Analysis
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max time kernel
149s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:13
Static task
static1
Behavioral task
behavioral1
Sample
43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe
Resource
win10v2004-20240508-en
General
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Target
43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe
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Size
4.1MB
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MD5
34e0adae7d41772930a323922e1620bf
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SHA1
f26697afec27c400d7f0453cffd4e17cb3f66b94
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SHA256
43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38
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SHA512
46e08ffd26e0363a9e6346a72b837a515773c882d1afae37646725e0938930729ffa564133708e88e5b087fc855142ae45a5516a1d32412666011c766ef33864
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SSDEEP
98304:goKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gb:gC1IraEjIw04m/Xfo4a5yka2Q+gb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1476-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/1476-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1476-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1476-55-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/1476-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1476-64-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2112-78-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2112-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-150-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-203-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3424-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4548 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3424 csrss.exe 3804 injector.exe 1136 windefender.exe 4504 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa5e-207.dat upx behavioral2/memory/1136-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4504-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1136-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4504-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4504-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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 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 -
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 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe File created C:\Windows\rss\csrss.exe 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe File created 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 1344 sc.exe -
pid Process 4172 powershell.exe 2560 powershell.exe 1220 powershell.exe 4576 powershell.exe 2024 powershell.exe 4236 powershell.exe 4504 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 988 schtasks.exe 3448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-251 = "Dateline Daylight Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4236 powershell.exe 4236 powershell.exe 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 4504 powershell.exe 4504 powershell.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 4172 powershell.exe 4172 powershell.exe 2560 powershell.exe 2560 powershell.exe 1220 powershell.exe 1220 powershell.exe 4576 powershell.exe 4576 powershell.exe 2024 powershell.exe 2024 powershell.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3424 csrss.exe 3424 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3424 csrss.exe 3424 csrss.exe 3804 injector.exe 3804 injector.exe 3424 csrss.exe 3424 csrss.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe 3804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Token: SeImpersonatePrivilege 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 1220 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeSystemEnvironmentPrivilege 3424 csrss.exe Token: SeSecurityPrivilege 1344 sc.exe Token: SeSecurityPrivilege 1344 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1476 wrote to memory of 4236 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 82 PID 1476 wrote to memory of 4236 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 82 PID 1476 wrote to memory of 4236 1476 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 82 PID 2112 wrote to memory of 4504 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 87 PID 2112 wrote to memory of 4504 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 87 PID 2112 wrote to memory of 4504 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 87 PID 2112 wrote to memory of 4816 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 89 PID 2112 wrote to memory of 4816 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 89 PID 4816 wrote to memory of 4548 4816 cmd.exe 91 PID 4816 wrote to memory of 4548 4816 cmd.exe 91 PID 2112 wrote to memory of 4172 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 92 PID 2112 wrote to memory of 4172 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 92 PID 2112 wrote to memory of 4172 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 92 PID 2112 wrote to memory of 2560 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 94 PID 2112 wrote to memory of 2560 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 94 PID 2112 wrote to memory of 2560 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 94 PID 2112 wrote to memory of 3424 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 96 PID 2112 wrote to memory of 3424 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 96 PID 2112 wrote to memory of 3424 2112 43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe 96 PID 3424 wrote to memory of 1220 3424 csrss.exe 97 PID 3424 wrote to memory of 1220 3424 csrss.exe 97 PID 3424 wrote to memory of 1220 3424 csrss.exe 97 PID 3424 wrote to memory of 4576 3424 csrss.exe 103 PID 3424 wrote to memory of 4576 3424 csrss.exe 103 PID 3424 wrote to memory of 4576 3424 csrss.exe 103 PID 3424 wrote to memory of 2024 3424 csrss.exe 105 PID 3424 wrote to memory of 2024 3424 csrss.exe 105 PID 3424 wrote to memory of 2024 3424 csrss.exe 105 PID 3424 wrote to memory of 3804 3424 csrss.exe 107 PID 3424 wrote to memory of 3804 3424 csrss.exe 107 PID 1136 wrote to memory of 3120 1136 windefender.exe 113 PID 1136 wrote to memory of 3120 1136 windefender.exe 113 PID 1136 wrote to memory of 3120 1136 windefender.exe 113 PID 3120 wrote to memory of 1344 3120 cmd.exe 114 PID 3120 wrote to memory of 1344 3120 cmd.exe 114 PID 3120 wrote to memory of 1344 3120 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\43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe"C:\Users\Admin\AppData\Local\Temp\43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236
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C:\Users\Admin\AppData\Local\Temp\43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.exe"C:\Users\Admin\AppData\Local\Temp\43097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38.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:2112 -
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:4504
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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:4816 -
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:4548
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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:4172
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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:2560
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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:3424 -
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:1220
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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:988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2828
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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:4576
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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:2024
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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:3804
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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:3448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1136 -
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:3120 -
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:1344
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4504
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
MD55d12f440604768d6f5f3364a7c17e6c1
SHA16e31f442fd8b0837b915537bafac0aef565222fc
SHA256fa53b222130dc4e070c0063facb6a91b15f7f9d8272ca23a755b51e23995fb4b
SHA512a350e856278cba0eea5a9032889f8801bc91f21deb665058be7a595de32cfe039cb55eeca7cf48680c55e5959bfd431e25f2fb66c9d43a7e173f56913cddb3de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566ea94b46cc276a5a7436dbae4d9afda
SHA1ef9021487e1721009771715cc391ab5b0522e56f
SHA2567209baa7c13102139cdc2780b9829540480d442595c60e0b38468baa34d9f61b
SHA51288c7c609d7279f0f10c0404c12bffd1ec912fc4afdd9bcec886b04f6e616fe0b227a19a4aa601ef39027de11f04a7ac36fd0d3affe7560ff7a4f742523078838
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd02dfa7c5f931c17579266a8bfb83eb
SHA19450ab021f106b5b8e391aea6211813a471bfd54
SHA25604650892202c49db8a62563c352764bd255b96078f1ca58501a3c486a3fd1a54
SHA5127c910943a8660d4adef53ed23b27e27be3e9e5036747cb6a3068520888dee456dac09c3fd4a11ae5e6e3cd25fea46ebf0b027900f2ffd412933345d662056d3b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e500ba6fcf1132986bb578570818d2a8
SHA1e997eac04aa31b10f8158ace7bce460e18a39762
SHA25670b3ca29d9c3c7a60bc76df1d93dc0065ad1a8b23a381582c22ffd1761479726
SHA5120b3703cbc4e5a0a1a4df9cb6a4e785692c492e867ba2579434efb05e121ef866ed7f18dc6819e632aa32944eb1635e17a68e6c140ba913ced10a31f5363984d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bdd54760fe7ad2d7224b41e22d1d130
SHA156eb43357cbee074855e88dc7610c86be927c2b2
SHA256bc93942bd30fd2cc72ae25055124874ee1bd344682aa25fb97fc2f2f6585bae6
SHA512777f673dafd84592f7569b8d4a937b3d2eb0fb90a5bc95dad9f117ce1e4e1dd4809c9c55caae958423a09da136385409b2b3df355775eaaaa40cdbbb1a49c223
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Filesize
4.1MB
MD534e0adae7d41772930a323922e1620bf
SHA1f26697afec27c400d7f0453cffd4e17cb3f66b94
SHA25643097af0c0016b469656706ee080e73a4edb6f2cd2f5e14e63381dc03175dc38
SHA51246e08ffd26e0363a9e6346a72b837a515773c882d1afae37646725e0938930729ffa564133708e88e5b087fc855142ae45a5516a1d32412666011c766ef33864
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec