Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
22/04/2024, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe
Resource
win10v2004-20240412-en
General
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Target
d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe
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Size
4.2MB
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MD5
0f123a0eb4e9782840d5165084e7e03e
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SHA1
a305c1180fc1539d8e57b686d8a9b27740ab60ed
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SHA256
d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c
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SHA512
cf6db849751461d25ce6a9fe468957014887dac79cef89ef63bddc799cc1cf045d4b6b4ad8924cf5b17400dbbf5561a4f9899eabdccaee541ab63e5e11136251
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SSDEEP
98304:12M5c/Zwtq60Flln3HisgQCAzn90PoQDBYhZBmNCFz7PdG:75iWtD+ll3HihAzn9C7D6rBvHVG
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4764-2-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral2/memory/4764-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4764-43-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4764-45-0x0000000005320000-0x0000000005C0B000-memory.dmp family_glupteba behavioral2/memory/3056-48-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3056-83-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3056-123-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3056-144-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-148-0x00000000056A0000-0x0000000005F8B000-memory.dmp family_glupteba behavioral2/memory/3620-176-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-243-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-246-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-249-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-259-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-263-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-267-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-271-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-275-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3620-279-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3780 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3620 csrss.exe 428 injector.exe 4804 windefender.exe 1180 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-252.dat upx behavioral2/memory/4804-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1180-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1180-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe File created C:\Windows\rss\csrss.exe d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.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 1176 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2064 4576 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4628 schtasks.exe 2804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.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\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4576 powershell.exe 4576 powershell.exe 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 684 powershell.exe 684 powershell.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 1164 powershell.exe 1164 powershell.exe 3368 powershell.exe 3368 powershell.exe 1192 powershell.exe 1192 powershell.exe 3308 powershell.exe 3308 powershell.exe 3304 powershell.exe 3304 powershell.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 3620 csrss.exe 3620 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 3620 csrss.exe 3620 csrss.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe 428 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Token: SeImpersonatePrivilege 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe Token: SeDebugPrivilege 684 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 1192 powershell.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeSystemEnvironmentPrivilege 3620 csrss.exe Token: SeSecurityPrivilege 1176 sc.exe Token: SeSecurityPrivilege 1176 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4764 wrote to memory of 4576 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 81 PID 4764 wrote to memory of 4576 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 81 PID 4764 wrote to memory of 4576 4764 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 81 PID 3056 wrote to memory of 684 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 89 PID 3056 wrote to memory of 684 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 89 PID 3056 wrote to memory of 684 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 89 PID 3056 wrote to memory of 680 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 91 PID 3056 wrote to memory of 680 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 91 PID 680 wrote to memory of 3780 680 cmd.exe 93 PID 680 wrote to memory of 3780 680 cmd.exe 93 PID 3056 wrote to memory of 1164 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 94 PID 3056 wrote to memory of 1164 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 94 PID 3056 wrote to memory of 1164 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 94 PID 3056 wrote to memory of 3368 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 96 PID 3056 wrote to memory of 3368 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 96 PID 3056 wrote to memory of 3368 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 96 PID 3056 wrote to memory of 3620 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 98 PID 3056 wrote to memory of 3620 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 98 PID 3056 wrote to memory of 3620 3056 d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe 98 PID 3620 wrote to memory of 1192 3620 csrss.exe 99 PID 3620 wrote to memory of 1192 3620 csrss.exe 99 PID 3620 wrote to memory of 1192 3620 csrss.exe 99 PID 3620 wrote to memory of 3308 3620 csrss.exe 105 PID 3620 wrote to memory of 3308 3620 csrss.exe 105 PID 3620 wrote to memory of 3308 3620 csrss.exe 105 PID 3620 wrote to memory of 3304 3620 csrss.exe 107 PID 3620 wrote to memory of 3304 3620 csrss.exe 107 PID 3620 wrote to memory of 3304 3620 csrss.exe 107 PID 3620 wrote to memory of 428 3620 csrss.exe 109 PID 3620 wrote to memory of 428 3620 csrss.exe 109 PID 1324 wrote to memory of 1176 1324 cmd.exe 116 PID 1324 wrote to memory of 1176 1324 cmd.exe 116 PID 1324 wrote to memory of 1176 1324 cmd.exe 116 -
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\d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe"C:\Users\Admin\AppData\Local\Temp\d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 25723⤵
- Program crash
PID:2064
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C:\Users\Admin\AppData\Local\Temp\d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.exe"C:\Users\Admin\AppData\Local\Temp\d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c.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:3056 -
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:684
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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:680 -
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:3780
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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:1164
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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:3368
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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:3620 -
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:1192
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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:4628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1812
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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:3308
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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:3304
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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:428
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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:2804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
PID:4804 -
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:1324 -
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:1176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4576 -ip 45761⤵PID:2896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1180
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
MD5278fcc37805e71fd93eb508288ad2f55
SHA1600d47773eaaa41fac411f360aca195a32ac0fd3
SHA2568e6d2daf5fc3c04fc3285ebff84fb91a2df0a1c818002046b9ac78ad9fbe01b7
SHA5120a6999ee5840304ffebf0d86a8e5c82ef7f631fbc64c4b3d6617d855880fd09512d7cf304e0565e08bed75f6482a879b68103d3e4fc01ab0c4668ae3efe1b3c4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b2927dc6b2beba1ce2784d60e15b0da
SHA1752cc1ee3ae9f0c3627ba5547fd0ca7e3ece739d
SHA2569c7efb9e36cd0d9bb37dbacb7c4d9d22bd1baa58a9a5071cf237424ffac3259c
SHA512574cece07cb800ca597b08b5232134ca72bf6c8279f19c52e89c2a744ed9ffed70f9849bb0050ad1230b97335cd8de6e637814a270b7a86674e2a933edd25927
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f75768cb5f1fa6db28df8a229f83922
SHA11d6f61e7c7641fd4a573a6cc7e45f40be32d0a1d
SHA2562cc9d9f0a00f8169b4427e903df6092f92b7a7f69b6789f2fe6810eb47975d3b
SHA5126e52446396323d87076af6b3bfb536bf7dbed77b6fecdbbf2e89fe3ee6c28bb6b81517e8be290979e62b9e3979343b1a06a890eff799b7d8d48846110db7ae03
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c0581bde3c00d7b12aa3367640a5849
SHA1bf04240572b462db6c0f0fd38596cf12a78b8bf7
SHA256cf6b1ec51bf3dd9998f6e7c5c667a546aed99ffad30a2d664567de60e4b3170c
SHA512fdb0fdcf142f4543ed3168bf6da5aa6bca8631de043117d197d0ce40b0d48d9b7a17a6bfdae1c6afed33437879465b39d39160d91258352b31c481dd48624453
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e8dd4bf8dd49918f56b6879b08e37ff
SHA1751a0f43e41ec90794698eaa7fb4079c9394b678
SHA2562a09f4561e1287dddc38c9a2cf8975ab6a4aa3a63ab9d57d35334c2536a9508c
SHA512de8703aa167e97694cbd010a425d66da53226330123d490667385fbd9f5d5a103062f4f06f00e9cacea6633e0a3b9594f059b65c545917c62f6d92ad94e5c0d2
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Filesize
4.2MB
MD50f123a0eb4e9782840d5165084e7e03e
SHA1a305c1180fc1539d8e57b686d8a9b27740ab60ed
SHA256d6cc8535b87857a3a1f5366591d019a17209a56b304698a3c4bf8fd0e0013e4c
SHA512cf6db849751461d25ce6a9fe468957014887dac79cef89ef63bddc799cc1cf045d4b6b4ad8924cf5b17400dbbf5561a4f9899eabdccaee541ab63e5e11136251
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec