Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/04/2024, 22:40
Static task
static1
Behavioral task
behavioral1
Sample
6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe
Resource
win10v2004-20240226-en
General
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Target
6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe
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Size
4.2MB
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MD5
72a384c961b0cec7b2fed5293a22a1d8
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SHA1
f53dacc1e745b40c6a399c393f059f35b27b22bf
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SHA256
6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26
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SHA512
250948078f736ba08e99902eb6dd5b135b4c088f06e76998faf7dac211f4ce29961aa5a83bc6c60040ba006a5e82d18297e124657d4895359abffae623d198e2
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SSDEEP
98304:famOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG1f:fTy8Jy4o9ecZxQhwo8IinPG1f
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3036-2-0x0000000004730000-0x000000000501B000-memory.dmp family_glupteba behavioral2/memory/3036-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3036-62-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/3036-76-0x0000000004730000-0x000000000501B000-memory.dmp family_glupteba behavioral2/memory/1192-122-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/1192-196-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-203-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-215-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-219-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-222-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-231-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-235-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-238-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-243-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-247-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-251-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/692-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3248 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 692 csrss.exe 3680 injector.exe 2760 windefender.exe 3388 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa44-206.dat upx behavioral2/memory/2760-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2760-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3388-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3388-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3388-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.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 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe File created C:\Windows\rss\csrss.exe 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.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 1744 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 2708 schtasks.exe 4840 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,-1412 = "Syria Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard 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,-842 = "Argentina Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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,-402 = "Arabic Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.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,-271 = "Greenwich Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2308 powershell.exe 2308 powershell.exe 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 3564 powershell.exe 3564 powershell.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 2924 powershell.exe 2924 powershell.exe 4656 powershell.exe 4656 powershell.exe 4140 powershell.exe 4140 powershell.exe 4664 powershell.exe 4664 powershell.exe 1248 powershell.exe 1248 powershell.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 692 csrss.exe 692 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 692 csrss.exe 692 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 692 csrss.exe 692 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Token: SeImpersonatePrivilege 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeSystemEnvironmentPrivilege 692 csrss.exe Token: SeSecurityPrivilege 1744 sc.exe Token: SeSecurityPrivilege 1744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3036 wrote to memory of 2308 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 79 PID 3036 wrote to memory of 2308 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 79 PID 3036 wrote to memory of 2308 3036 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 79 PID 1192 wrote to memory of 3564 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 84 PID 1192 wrote to memory of 3564 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 84 PID 1192 wrote to memory of 3564 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 84 PID 1192 wrote to memory of 1744 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 86 PID 1192 wrote to memory of 1744 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 86 PID 1744 wrote to memory of 3248 1744 cmd.exe 88 PID 1744 wrote to memory of 3248 1744 cmd.exe 88 PID 1192 wrote to memory of 2924 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 89 PID 1192 wrote to memory of 2924 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 89 PID 1192 wrote to memory of 2924 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 89 PID 1192 wrote to memory of 4656 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 91 PID 1192 wrote to memory of 4656 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 91 PID 1192 wrote to memory of 4656 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 91 PID 1192 wrote to memory of 692 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 93 PID 1192 wrote to memory of 692 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 93 PID 1192 wrote to memory of 692 1192 6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe 93 PID 692 wrote to memory of 4140 692 csrss.exe 94 PID 692 wrote to memory of 4140 692 csrss.exe 94 PID 692 wrote to memory of 4140 692 csrss.exe 94 PID 692 wrote to memory of 4664 692 csrss.exe 99 PID 692 wrote to memory of 4664 692 csrss.exe 99 PID 692 wrote to memory of 4664 692 csrss.exe 99 PID 692 wrote to memory of 1248 692 csrss.exe 102 PID 692 wrote to memory of 1248 692 csrss.exe 102 PID 692 wrote to memory of 1248 692 csrss.exe 102 PID 692 wrote to memory of 3680 692 csrss.exe 104 PID 692 wrote to memory of 3680 692 csrss.exe 104 PID 2760 wrote to memory of 2104 2760 windefender.exe 110 PID 2760 wrote to memory of 2104 2760 windefender.exe 110 PID 2760 wrote to memory of 2104 2760 windefender.exe 110 PID 2104 wrote to memory of 1744 2104 cmd.exe 111 PID 2104 wrote to memory of 1744 2104 cmd.exe 111 PID 2104 wrote to memory of 1744 2104 cmd.exe 111 -
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\6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe"C:\Users\Admin\AppData\Local\Temp\6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308
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C:\Users\Admin\AppData\Local\Temp\6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.exe"C:\Users\Admin\AppData\Local\Temp\6bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26.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:1192 -
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:3564
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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:1744 -
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:3248
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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:2924
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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:4656
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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:692 -
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:4140
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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:2708
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2796
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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:4664
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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:1248
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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:3680
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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:4840
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2760 -
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:2104 -
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:1744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3388
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a50ece41d34301fd92872d6f2b37f8d5
SHA17c43b9acf857020b728836dbfe320215bd9479be
SHA2566385b3687bf43cd465df3402774b129c420ec56873ef96b5fce1d0921e836262
SHA512eba2041d56260702d99c20942b5b0bdd501b02e27ff1a43ebc88dcb63e5059967e3b9b2d0a3950a46bdb204153502d01e7dc4cb9fc52d51f5e7f874bd8ca0a26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d11b1568dba2706c651de4066c7b1a9
SHA1c13c94f58abbf743ab5712cc5fde9df43ccd5244
SHA25683834bca4a3ee939b3744b1294b855b3ac667d6eb69c61217594bbabeb75c987
SHA512056dae7f7956bae9c874e82cb69d5acaa72c4c1da822b9c7994dfc3e9aaca7d9b9705abc6bad4ba68ac3ed0e0538a5c053406c41dd9955b93db9d0ffc4202273
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509b562b08faa5d436ff7dca179ba98d0
SHA15d0297669aa501bd466a0687a264a001b09edc8e
SHA25609650db01d71101f2425c14685c88d35021138987d04af31ba115a53652c0a0c
SHA51228530381501294ace6a06e94a1e58b1e3951857d883c146a9ca88f08529a2129718dcd032d0c495ebfa69e5e085158c799659716e5c28da3355bfa9ac3f26110
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504a2de063cd8d170c5181f493b668f67
SHA11a70fe296d89f5ff4a602498ad413da6b04765f8
SHA2569860e5a60b16c0eaec72a33806764d689bc83634cee11d8155db17f90f7e9042
SHA512f3e876138d9243df057699429f87a4136de31439f693e1add09fe65c65ae03be4bf23500cb67ca67c3dcbc0db86389ee0ae19e90e43e1c33a339d47c1df74afa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8b0ba184a56e5afa992dc29a4a77406
SHA1c1cb9cb5d3fef35dbd582add3dca3fb6281bc6b6
SHA2567e6dad8c4540f6dcfbe8fa379e94a8c95a3575a023b54ba2bc307364992b6dac
SHA5122028fc953fc6560ee57b69c403cb7c0817d8068de3d53b76afb0ef68c31303a5e3fa9eda8dfd2fd2e870941699caa66b80d50579a1c669efe39002d1b8b1908a
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Filesize
4.2MB
MD572a384c961b0cec7b2fed5293a22a1d8
SHA1f53dacc1e745b40c6a399c393f059f35b27b22bf
SHA2566bd7975624b661d9dfafd58caa1aa8fa3e0c8e9de878a0e5b4db17abf753ef26
SHA512250948078f736ba08e99902eb6dd5b135b4c088f06e76998faf7dac211f4ce29961aa5a83bc6c60040ba006a5e82d18297e124657d4895359abffae623d198e2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec