Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-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 20 IoCs
Processes:
resource yara_rule behavioral2/memory/1624-2-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral2/memory/1624-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4988-52-0x0000000003F30000-0x000000000481B000-memory.dmp family_glupteba behavioral2/memory/4988-54-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1624-55-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral2/memory/1624-68-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/4988-147-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-240-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-250-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-253-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-256-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-259-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-262-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-265-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-268-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-271-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-277-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-280-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1148-283-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4928 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1148 csrss.exe 3132 injector.exe 4244 windefender.exe 4184 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4244-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4184-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4184-257-0x0000000000400000-0x00000000008DF000-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-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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.
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe -
Drops file in Windows directory 4 IoCs
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.execsrss.exedescription ioc process 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 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.
Processes:
sc.exepid process 3264 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 416 schtasks.exe 3632 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-401 = "Arabic Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3444 powershell.exe 3444 powershell.exe 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 2844 powershell.exe 2844 powershell.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe 2992 powershell.exe 2992 powershell.exe 4372 powershell.exe 4372 powershell.exe 2820 powershell.exe 2820 powershell.exe 648 powershell.exe 648 powershell.exe 2448 powershell.exe 2448 powershell.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 1148 csrss.exe 1148 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 1148 csrss.exe 1148 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 1148 csrss.exe 1148 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3444 powershell.exe Token: SeDebugPrivilege 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Token: SeImpersonatePrivilege 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 648 powershell.exe Token: SeDebugPrivilege 2448 powershell.exe Token: SeSystemEnvironmentPrivilege 1148 csrss.exe Token: SeSecurityPrivilege 3264 sc.exe Token: SeSecurityPrivilege 3264 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1624 wrote to memory of 3444 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 1624 wrote to memory of 3444 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 1624 wrote to memory of 3444 1624 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 2844 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 2844 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 2844 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 5104 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe cmd.exe PID 4988 wrote to memory of 5104 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe cmd.exe PID 5104 wrote to memory of 4928 5104 cmd.exe netsh.exe PID 5104 wrote to memory of 4928 5104 cmd.exe netsh.exe PID 4988 wrote to memory of 2992 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 2992 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 2992 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 4372 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 4372 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 4372 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe powershell.exe PID 4988 wrote to memory of 1148 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 4988 wrote to memory of 1148 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 4988 wrote to memory of 1148 4988 29952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39.exe csrss.exe PID 1148 wrote to memory of 2820 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 2820 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 2820 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 648 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 648 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 648 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 2448 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 2448 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 2448 1148 csrss.exe powershell.exe PID 1148 wrote to memory of 3132 1148 csrss.exe injector.exe PID 1148 wrote to memory of 3132 1148 csrss.exe injector.exe PID 4244 wrote to memory of 3716 4244 windefender.exe cmd.exe PID 4244 wrote to memory of 3716 4244 windefender.exe cmd.exe PID 4244 wrote to memory of 3716 4244 windefender.exe cmd.exe PID 3716 wrote to memory of 3264 3716 cmd.exe sc.exe PID 3716 wrote to memory of 3264 3716 cmd.exe sc.exe PID 3716 wrote to memory of 3264 3716 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:1624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3444
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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:4988 -
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:2844
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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:5104 -
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:4928
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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:2992
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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:4372
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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:1148 -
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:2820
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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:416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2660
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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:648
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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:2448
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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:3132
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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:3632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4244 -
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:3716 -
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:3264
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4184
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
MD54b9aa5bc0b2b157d469527ece15965e9
SHA1ea39f91628a756f1453252753ad3039c4134ea85
SHA25602c667e757e930ad7e31412068281b9b429cc8a10d7a8b01f103f3721d71c5ab
SHA5128ba37ec94ea4945b02e82cf805293ffc4a5b4881d7ced90a975ebb263528edc8b2b99d58305fc3cee48ff5161a219eb07fad546fbe060a55d198bd820bd0ec89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559cc85fd4944c2c961e9aefa80510e9a
SHA1db24592e0f10a7f99c4602ff505a11cdaa7f0d3d
SHA256182971866dbbba53248e9fc4cac23fd13e62a63ff32ab09a46d0271159c0a3c6
SHA51239c6642bdf1484b2fc21cc77c1bb75e32b19658ed419268a4999bac9ec8242767b3b0d9e18b4756a7c6657a083a431cf924ad2e8e49f386e733019d8be6a2340
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c29f91de7b10006ba114f1f23bc34522
SHA19e59b355c45fe9ff9f608c76d4a3d511f95e01a2
SHA256ea157bb22559b857ed231e7fa8bdfc90032933b086acf0af232c4f875aebaf7e
SHA512eb17f64e4f00bc87d47e6316b034aef1c22d5f32be70e3ee26cc96871ef78206c99bb80a2a2c66026515619c3f524909dc3220259ea2cee4ec2192fbac53165f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b57401f64bd1448621ff5df55d8aa58b
SHA1d7d844158a63e6a0ec14f0ec848ed0130d4cd546
SHA256b321b6925505280db748d2af48fb2f9ef27efd0d2920b1674b192a81319bdffb
SHA512703137a2819dfaf3fbbec50b77fccefe0627e970dac39b553ac019b586288860aed94574cab662d0645ec066d87ab806ad7bd7866fc7771b112622f99f2bb67e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c9aad8bb1ddb839ac947bd98720b5746
SHA1da352365f5078a010a11fd83fcdd552d283e1ccd
SHA25660edf80824181ab11d0a207a534e15030fbf583a199af978e3aa0fa0ead14ddd
SHA5121e34955a9b41805db0c731aa3f5f3d38ca9a8c332beebe61f0138bfe38d504f9d95054c25d796e3581160d91de71ba778ebc1e4f5db415479e23434ca30b1988
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Filesize
4.2MB
MD5bcbf7ed4c75703f6eff1d0a396e2683c
SHA14eea98e6f5537b1e5bc4d45cf68188ba0caeeb67
SHA25629952f2b6008a7eec87a4db1bc2accbcac48f7c43bf81ad7a1098c14c85b3f39
SHA5127b95c225e0d3c9ec3265c35ccfa758f9d05c30798a9635003249d507f15431fac8e01aa2250f40f3a3e8ff5e765d0d4b07bf5f6ec81a5cada917f9db16acdb70
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec