Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 15:08
Static task
static1
Behavioral task
behavioral1
Sample
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe
Resource
win10v2004-20240412-en
General
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Target
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe
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Size
4.2MB
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MD5
bcbf7ed4c75703f6eff1d0a396e2683c
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SHA1
4eea98e6f5537b1e5bc4d45cf68188ba0caeeb67
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SHA256
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39
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SHA512
7b95c225e0d3c9ec3265c35ccfa758f9d05c30798a9635003249d507f15431fac8e01aa2250f40f3a3e8ff5e765d0d4b07bf5f6ec81a5cada917f9db16acdb70
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SSDEEP
49152:hKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2S2:IOLEfT6eYBhfhWV+b2vbWNq2SbuhRD
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4060-2-0x0000000004190000-0x0000000004A7B000-memory.dmp family_glupteba behavioral1/memory/4060-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4788-57-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4060-59-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4788-134-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4788-154-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-256-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-261-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-268-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-271-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-277-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-280-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-283-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-286-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-289-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-292-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-295-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4748-298-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1524 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4748 csrss.exe 4024 injector.exe 632 windefender.exe 2408 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/632-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe File created C:\Windows\rss\csrss.exe 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3816 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2372 schtasks.exe 3956 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard 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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4416 powershell.exe 4416 powershell.exe 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 2400 powershell.exe 2400 powershell.exe 2400 powershell.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4984 powershell.exe 4984 powershell.exe 4984 powershell.exe 4940 powershell.exe 4940 powershell.exe 4940 powershell.exe 3884 powershell.exe 3884 powershell.exe 3884 powershell.exe 1404 powershell.exe 1404 powershell.exe 1404 powershell.exe 2412 powershell.exe 2412 powershell.exe 2412 powershell.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4748 csrss.exe 4748 csrss.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4748 csrss.exe 4748 csrss.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4748 csrss.exe 4748 csrss.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe 4024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Token: SeImpersonatePrivilege 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeSystemEnvironmentPrivilege 4748 csrss.exe Token: SeSecurityPrivilege 3816 sc.exe Token: SeSecurityPrivilege 3816 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4060 wrote to memory of 4416 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4060 wrote to memory of 4416 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4060 wrote to memory of 4416 4060 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 2400 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 2400 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 2400 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 2188 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe cmd.exe PID 4788 wrote to memory of 2188 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe cmd.exe PID 2188 wrote to memory of 1524 2188 cmd.exe netsh.exe PID 2188 wrote to memory of 1524 2188 cmd.exe netsh.exe PID 4788 wrote to memory of 4984 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4984 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4984 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4940 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4940 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4940 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4788 wrote to memory of 4748 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 4788 wrote to memory of 4748 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 4788 wrote to memory of 4748 4788 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 4748 wrote to memory of 3884 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 3884 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 3884 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 1404 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 1404 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 1404 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 2412 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 2412 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 2412 4748 csrss.exe powershell.exe PID 4748 wrote to memory of 4024 4748 csrss.exe injector.exe PID 4748 wrote to memory of 4024 4748 csrss.exe injector.exe PID 632 wrote to memory of 1832 632 windefender.exe cmd.exe PID 632 wrote to memory of 1832 632 windefender.exe cmd.exe PID 632 wrote to memory of 1832 632 windefender.exe cmd.exe PID 1832 wrote to memory of 3816 1832 cmd.exe sc.exe PID 1832 wrote to memory of 3816 1832 cmd.exe sc.exe PID 1832 wrote to memory of 3816 1832 cmd.exe sc.exe -
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\29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe"C:\Users\Admin\AppData\Local\Temp\29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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C:\Users\Admin\AppData\Local\Temp\29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe"C:\Users\Admin\AppData\Local\Temp\29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.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:4788 -
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:2400
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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:2188 -
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:1524
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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:4984
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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:4940
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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:4748 -
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:3884
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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:2372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2824
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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:1404
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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:2412
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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:4024
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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:3956
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:632 -
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:1832 -
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:3816
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2408
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f667f984dd05f6df180f4c351ed6a0b
SHA1e4a5a5a246d92a5f74cad4aafaf94f3583f912b1
SHA256a19f205d0f3ad0501943c437a842a6fd37a94c9edf0dd3c68083c1d924864dc6
SHA51290f4bd8eae1d20e65e4e2c4f2c8a5417e72209337f508d0dee367dbc91a277b4cac3d254a2f383e99a2fc3072b32c64f724c28b8f6be0febd7783dfeb37f7150
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e15bedf9e5c40cdfcc9b2631ff21fad
SHA1a7d9df6556501048aa8145383bc43be5a7a1e1c6
SHA25677c651a7d57d9bde4fa3514f1c7d556d80741c422b654433819c7dcfdc950a28
SHA5129d4c0393957be21fb7ee29e26fbf834671fb81444bd68ccdf265247778542418edb9d464d85d68212b978e47c39359af992cdfae1f54014c63685dba9ab0a29d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5260ebdfa4047116a4cef24b889b0fbd5
SHA113bb73c6f14348c2cb4913929c288092abf65fc7
SHA256491e2894fb20a33eaf1732302c582dd53395080d54e540abfb1831f9731c08a0
SHA5128228ed8872763850511632501a6d98e0312d63707dd7ab788d97cba4ce718324416a8f4b1c004b0c0fa31ea94eb630c85c7d831fc0a23fbc59607769fa2dd26a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f71af81d72e3c65f74210d17950674ac
SHA13cd86576617140b775bb24dbc6808eb0d9fc479a
SHA256eec7ad983af6c7139274afb42e6e3d9abbbb25b8c45f984e83b716318a2e8b4e
SHA512a431c97373d1a11f582334651df5dbc438ed7120dd8fa7c99934d07f2d8043fd79224e08a3fa7b3fe078abdcdd2d5ec468e68efe7405775954968de13cba0810
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5831e1335b57f852c6dce1238fd8876dc
SHA1d2d44f49f1565304ee1d660213ce8715e7a8f9d9
SHA25642ca772a16f8ec0eb08708b737fe1b151f5b5bb84fa3ade3280856f63ecbedb3
SHA5128f299d7dd4b41d7db6f4c3d8b9de73fe96ded3dc74221dad8997afb999209f403a1b3106b5a0fc9bbb5991e7f7598f76fa6670bcb55051e01764e7a20a452f01
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Filesize
4.2MB
MD5bcbf7ed4c75703f6eff1d0a396e2683c
SHA14eea98e6f5537b1e5bc4d45cf68188ba0caeeb67
SHA25629952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39
SHA5127b95c225e0d3c9ec3265c35ccfa758f9d05c30798a9635003249d507f15431fac8e01aa2250f40f3a3e8ff5e765d0d4b07bf5f6ec81a5cada917f9db16acdb70
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec