Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:23
Static task
static1
Behavioral task
behavioral1
Sample
099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe
Resource
win10v2004-20240508-en
General
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Target
099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe
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Size
4.1MB
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MD5
0da037b893728c3b313fa70d372f856e
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SHA1
864be3a9800227566ff9a14ebe71a054b4d2634e
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SHA256
099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84
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SHA512
2e84bdaed66aa5264e538f46df26f0a6d0fb2c3c07bbede6a3f46d53617f772a05a9d00ad8527d2e6cbc9a28ad03143ae8f8ba39f9eeb71a7651b8b1fc1893b0
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SSDEEP
49152:NP14wFe484iHbTFG8DZqgckdbbON2ATnCITQMciPqrNkjunhZbPMRZB6Unk18IeB:dH84inFrgm9NzwRsNe0ZFLetRCG6o
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4816-2-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral2/memory/4816-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4816-78-0x0000000002ED0000-0x00000000037BB000-memory.dmp family_glupteba behavioral2/memory/4816-110-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1960-150-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-179-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-204-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2032-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2656 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2032 csrss.exe 2028 injector.exe 700 windefender.exe 3080 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ed-183.dat upx behavioral2/memory/700-186-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3080-188-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/700-190-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3080-195-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3080-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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 6 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 -
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 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe File created C:\Windows\rss\csrss.exe 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.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 4908 sc.exe -
pid Process 3232 powershell.exe 4652 powershell.exe 1280 powershell.exe 2272 powershell.exe 476 powershell.exe 2720 powershell.exe 1084 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 3724 schtasks.exe 4360 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,-2451 = "Saint Pierre Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins 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" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific 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" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.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" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.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,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.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" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1084 powershell.exe 1084 powershell.exe 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 3232 powershell.exe 3232 powershell.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 4652 powershell.exe 4652 powershell.exe 1280 powershell.exe 1280 powershell.exe 476 powershell.exe 476 powershell.exe 2720 powershell.exe 2720 powershell.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2032 csrss.exe 2032 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2032 csrss.exe 2032 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2032 csrss.exe 2032 csrss.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe 2028 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 1084 powershell.exe Token: SeDebugPrivilege 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Token: SeImpersonatePrivilege 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 476 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeSystemEnvironmentPrivilege 2032 csrss.exe Token: SeSecurityPrivilege 4908 sc.exe Token: SeSecurityPrivilege 4908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4816 wrote to memory of 1084 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 81 PID 4816 wrote to memory of 1084 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 81 PID 4816 wrote to memory of 1084 4816 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 81 PID 1960 wrote to memory of 3232 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 112 PID 1960 wrote to memory of 3232 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 112 PID 1960 wrote to memory of 3232 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 112 PID 1960 wrote to memory of 852 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 89 PID 1960 wrote to memory of 852 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 89 PID 852 wrote to memory of 2656 852 cmd.exe 91 PID 852 wrote to memory of 2656 852 cmd.exe 91 PID 1960 wrote to memory of 4652 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 92 PID 1960 wrote to memory of 4652 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 92 PID 1960 wrote to memory of 4652 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 92 PID 1960 wrote to memory of 1280 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 94 PID 1960 wrote to memory of 1280 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 94 PID 1960 wrote to memory of 1280 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 94 PID 1960 wrote to memory of 2032 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 96 PID 1960 wrote to memory of 2032 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 96 PID 1960 wrote to memory of 2032 1960 099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe 96 PID 2032 wrote to memory of 2272 2032 csrss.exe 97 PID 2032 wrote to memory of 2272 2032 csrss.exe 97 PID 2032 wrote to memory of 2272 2032 csrss.exe 97 PID 2032 wrote to memory of 476 2032 csrss.exe 103 PID 2032 wrote to memory of 476 2032 csrss.exe 103 PID 2032 wrote to memory of 476 2032 csrss.exe 103 PID 2032 wrote to memory of 2720 2032 csrss.exe 105 PID 2032 wrote to memory of 2720 2032 csrss.exe 105 PID 2032 wrote to memory of 2720 2032 csrss.exe 105 PID 2032 wrote to memory of 2028 2032 csrss.exe 107 PID 2032 wrote to memory of 2028 2032 csrss.exe 107 PID 700 wrote to memory of 3684 700 windefender.exe 113 PID 700 wrote to memory of 3684 700 windefender.exe 113 PID 700 wrote to memory of 3684 700 windefender.exe 113 PID 3684 wrote to memory of 4908 3684 cmd.exe 114 PID 3684 wrote to memory of 4908 3684 cmd.exe 114 PID 3684 wrote to memory of 4908 3684 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\099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe"C:\Users\Admin\AppData\Local\Temp\099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1084
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C:\Users\Admin\AppData\Local\Temp\099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.exe"C:\Users\Admin\AppData\Local\Temp\099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84.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:1960 -
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:3232
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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:852 -
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:2656
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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:4652
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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:1280
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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:2032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:2272
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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:3724
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2364
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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:476
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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:2720
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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:2028
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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:4360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:3232
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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:3684 -
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:4908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3080
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
MD537b040fac1558d7a53b54c6115f11c28
SHA124805e91600a4815349e26be4892ebfb8d76443c
SHA2563f51dee955389dfbb264f01a207c00b053334c5eb328ac306587ebf892d79b82
SHA5123673e5075880fc20b3033f10bd8e002ef771c382aeb7fa41d1eb15995a41f822aef52886a7468a14f054db1da787144e101dce14665334e72282b8c26307f7fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f758268654aee18b70d2fd4688180aac
SHA147ea66fd2db848996d74f9ae442ac072b4d7c712
SHA25625169455e325c28f6d7aeca55796c86a80dfc8d9cbed5372184f5a63ea771af5
SHA5127f03e37b9185eed1e219059bfa1713904747b75cb05e2f2065b58578584f330a95c64cea2509bf0923d29db4c4f9ddff8e7c3be23915fec4b0f9bf6639b5886c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cdbda34ff6413ff9c70e75d626e0d5c4
SHA185ea43721fefb63d2d54db8a4f358ab2c36acf66
SHA25628e94e57fd5d8beac80671162bf25b42b3ee179bb4789d1ccaf2cdab621c045e
SHA5124d9f88b1f656c6633b75cd217af4d804a0f56e24b3a3df494369b1b65775c99510b6184213e8961b8bf4e36b9e86918f8a69f64172917d0c5bee209c5bf66034
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55501d276f59340e0e0a99709ba245b76
SHA15a8b1afc8277dcee82f9fba412cbe98c3e1a9984
SHA256ea5282866839d52c1b88f4c41366c8ccea47563a5688946d8f600120c7974253
SHA5120540bfc7b8a816f2a9488a123490625bb565f9fdb0b0cfe7f218e498cfc3bf746eb8eec5d9aaaf6533d2698a99c2373751ef29ad24ac982b91ef158d58ecb062
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Filesize
4.1MB
MD50da037b893728c3b313fa70d372f856e
SHA1864be3a9800227566ff9a14ebe71a054b4d2634e
SHA256099aabb6ab527bd178ab17c42e923953d1a2cdfdfc60081bd30b99a07803ca84
SHA5122e84bdaed66aa5264e538f46df26f0a6d0fb2c3c07bbede6a3f46d53617f772a05a9d00ad8527d2e6cbc9a28ad03143ae8f8ba39f9eeb71a7651b8b1fc1893b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec