Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 10:24
Static task
static1
Behavioral task
behavioral1
Sample
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe
Resource
win10v2004-20240508-en
General
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Target
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe
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Size
4.1MB
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MD5
d32b9d6134c9c22d54de56687bcd7a0b
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SHA1
76787efd4bf960188b435f6287de1f29988557c9
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SHA256
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9
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SHA512
ca8a9f5f1cd97496aeaccd0aa9a96859e7377ecc202ae9d8da167d68c09f89f6643fa6dfa5ff7814931133b582a8cc3414fa4c81a3c4f50dc48ecae3ecce4096
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntN:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9nD
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/4364-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4364-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4364-75-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/5052-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2232-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4840 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2232 csrss.exe 656 injector.exe 1476 windefender.exe 3540 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa03-204.dat upx behavioral2/memory/1476-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3540-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1476-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3540-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3540-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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:
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe -
Drops file in Windows directory 4 IoCs
Processes:
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe File created C:\Windows\rss\csrss.exe d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.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 3676 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4800 powershell.exe 4616 powershell.exe 4896 powershell.exe 4168 powershell.exe 4664 powershell.exe 3540 powershell.exe 1368 powershell.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 3604 schtasks.exe 4132 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exepowershell.exed869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4664 powershell.exe 4664 powershell.exe 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 3540 powershell.exe 3540 powershell.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 1368 powershell.exe 1368 powershell.exe 4800 powershell.exe 4800 powershell.exe 4616 powershell.exe 4616 powershell.exe 4896 powershell.exe 4896 powershell.exe 4168 powershell.exe 4168 powershell.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 2232 csrss.exe 2232 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 2232 csrss.exe 2232 csrss.exe 656 injector.exe 656 injector.exe 2232 csrss.exe 2232 csrss.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe 656 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Token: SeImpersonatePrivilege 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeSystemEnvironmentPrivilege 2232 csrss.exe Token: SeSecurityPrivilege 3676 sc.exe Token: SeSecurityPrivilege 3676 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exed869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4364 wrote to memory of 4664 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 82 PID 4364 wrote to memory of 4664 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 82 PID 4364 wrote to memory of 4664 4364 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 82 PID 5052 wrote to memory of 3540 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 87 PID 5052 wrote to memory of 3540 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 87 PID 5052 wrote to memory of 3540 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 87 PID 5052 wrote to memory of 2532 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 89 PID 5052 wrote to memory of 2532 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 89 PID 2532 wrote to memory of 4840 2532 cmd.exe 91 PID 2532 wrote to memory of 4840 2532 cmd.exe 91 PID 5052 wrote to memory of 1368 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 92 PID 5052 wrote to memory of 1368 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 92 PID 5052 wrote to memory of 1368 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 92 PID 5052 wrote to memory of 4800 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 94 PID 5052 wrote to memory of 4800 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 94 PID 5052 wrote to memory of 4800 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 94 PID 5052 wrote to memory of 2232 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 96 PID 5052 wrote to memory of 2232 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 96 PID 5052 wrote to memory of 2232 5052 d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe 96 PID 2232 wrote to memory of 4616 2232 csrss.exe 97 PID 2232 wrote to memory of 4616 2232 csrss.exe 97 PID 2232 wrote to memory of 4616 2232 csrss.exe 97 PID 2232 wrote to memory of 4896 2232 csrss.exe 102 PID 2232 wrote to memory of 4896 2232 csrss.exe 102 PID 2232 wrote to memory of 4896 2232 csrss.exe 102 PID 2232 wrote to memory of 4168 2232 csrss.exe 105 PID 2232 wrote to memory of 4168 2232 csrss.exe 105 PID 2232 wrote to memory of 4168 2232 csrss.exe 105 PID 2232 wrote to memory of 656 2232 csrss.exe 107 PID 2232 wrote to memory of 656 2232 csrss.exe 107 PID 1476 wrote to memory of 3996 1476 windefender.exe 113 PID 1476 wrote to memory of 3996 1476 windefender.exe 113 PID 1476 wrote to memory of 3996 1476 windefender.exe 113 PID 3996 wrote to memory of 3676 3996 cmd.exe 114 PID 3996 wrote to memory of 3676 3996 cmd.exe 114 PID 3996 wrote to memory of 3676 3996 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe"C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4664
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C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.exe"C:\Users\Admin\AppData\Local\Temp\d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9.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:5052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3540
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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:2532 -
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:4840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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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:2232 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616
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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:3604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4116
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4168
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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:656
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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:4132
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1476 -
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:3996 -
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:3676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3540
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510db742160627ff20667294ff476c4d3
SHA1c75411dd8de08606d264ed34db2ea3e32cee9e35
SHA25641669a7312c0ea18b68da61b6fd6c8c91f44694659056311a4afd3b61e10bcb8
SHA5126d71971dab9bee2e9475c461b2e4b08fff44bc09dbe8c775200c3d0b39065fe3d06fedbe382347b2289dacf4871a0f49c81f62cef290d75207c87f9ec1068bdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d4cbecc4b1e34ec63eefb54210f3ba9
SHA1de8215a5449dff320249db411d605d5ed1e5dc6a
SHA2562e5d8e3ff152d1284d33bc58e2d7158ba0e0c56e6165c8c2ee67e59640fa3c95
SHA51234633872f7a8699a527f8ffcd04574b5562bd7b3b5ea7861da0df4575fe6268f68f03c2d2651393accdd3bacce8017d4c6e679eb11fdee8e607fbace2cb4ff63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57568d5c0227a352cec93fccaf17c0399
SHA1e9b2359665f73412c952f76717295c95dc4b91b3
SHA256a30c4567b16ea327e08e5738439218cc251a27f284e249b91ad294ddcecb79b2
SHA51248c7e47fdc15528b57af188e7e6df0876945bb687f49e1555faa80cb5e3521544f1888a2a6c4d1be3169465ce01a71ca6b1838217f42838a83989a62459a09e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f16f8b3ef0a46fc43c031859e551c46
SHA1414a804aa9088fb7fc2d49d943abe4a05268f0fa
SHA2563fa80a76b9f8ee6a72b2804f34462d17f3adf2649f0310299f39918b9fe1eb0a
SHA5128523e3239f78cae59706034c55e601487ae4802cd5768a77f8ca64e1e89bc1774ff4b30992ad4bf8b84548189f05eab90ff0aaf032878858ea3bc6563e86a3ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558dde185d873e8008048759f98f6b878
SHA10bc8d0f1085e8f62dfd29b516eacc90a41c550ad
SHA25698d4fe3ea33bd5d46791984ae9abbb72649a5ad1e66e9acabf1e01e30c38322c
SHA5126e2d1e22df56d11f75a268d0d9a63c3a4da11d36b5f8e27404f095ec5a9da3a86229aea1ad36be460048bde95de13e36029385f5d13543c4cb0d6b317593f39a
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Filesize
4.1MB
MD5d32b9d6134c9c22d54de56687bcd7a0b
SHA176787efd4bf960188b435f6287de1f29988557c9
SHA256d869c43edeffa5f506d4d2473c7286430c7600dc99c6c08f6ea224215e79b3c9
SHA512ca8a9f5f1cd97496aeaccd0aa9a96859e7377ecc202ae9d8da167d68c09f89f6643fa6dfa5ff7814931133b582a8cc3414fa4c81a3c4f50dc48ecae3ecce4096
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec