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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28/04/2024, 09:05
Static task
static1
Behavioral task
behavioral1
Sample
ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe
Resource
win10v2004-20240426-en
General
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Target
ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe
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Size
4.2MB
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MD5
7ee48a244c52d18c314e6bd25354c851
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SHA1
68630ca957c62b882c10f221d627f910da4ed622
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SHA256
ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c
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SHA512
58f86b9ea5fd4298c7fc240f7f91ff8e4b0e8f30791cb70457b0409481bec803a79a17043e4a1379c806be7251284e90d00168554c12e7b20b0187f000161a0f
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SSDEEP
49152:FJckUcan+/g6qtZ7W5Wul/84VXgUJTm7JMhId3wmg2qSwTtxSn5uLWpyDruLtBI1:fRfD5f1lRJsTZrbotuJBJKZ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4372-2-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/4372-3-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4372-55-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4372-57-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/1216-163-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-220-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-231-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-234-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-237-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-239-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-242-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-246-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-249-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-252-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-254-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-258-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-261-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/4300-264-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 392 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4300 csrss.exe 4400 injector.exe 2892 windefender.exe 1432 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023433-223.dat upx behavioral1/memory/2892-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2892-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1432-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe File created C:\Windows\rss\csrss.exe ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3308 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4928 schtasks.exe 3088 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.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\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.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" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-392 = "Arab 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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2396 powershell.exe 2396 powershell.exe 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 2776 powershell.exe 2776 powershell.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 1460 powershell.exe 1460 powershell.exe 4764 powershell.exe 4764 powershell.exe 3248 powershell.exe 3248 powershell.exe 3588 powershell.exe 3588 powershell.exe 4372 powershell.exe 4372 powershell.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4300 csrss.exe 4300 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4300 csrss.exe 4300 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4300 csrss.exe 4300 csrss.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe 4400 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Token: SeImpersonatePrivilege 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 1460 powershell.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 3588 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeSystemEnvironmentPrivilege 4300 csrss.exe Token: SeSecurityPrivilege 3308 sc.exe Token: SeSecurityPrivilege 3308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4372 wrote to memory of 2396 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 85 PID 4372 wrote to memory of 2396 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 85 PID 4372 wrote to memory of 2396 4372 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 85 PID 1216 wrote to memory of 2776 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 90 PID 1216 wrote to memory of 2776 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 90 PID 1216 wrote to memory of 2776 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 90 PID 1216 wrote to memory of 4888 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 92 PID 1216 wrote to memory of 4888 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 92 PID 4888 wrote to memory of 392 4888 cmd.exe 94 PID 4888 wrote to memory of 392 4888 cmd.exe 94 PID 1216 wrote to memory of 1460 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 95 PID 1216 wrote to memory of 1460 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 95 PID 1216 wrote to memory of 1460 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 95 PID 1216 wrote to memory of 4764 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 97 PID 1216 wrote to memory of 4764 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 97 PID 1216 wrote to memory of 4764 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 97 PID 1216 wrote to memory of 4300 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 99 PID 1216 wrote to memory of 4300 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 99 PID 1216 wrote to memory of 4300 1216 ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe 99 PID 4300 wrote to memory of 3248 4300 csrss.exe 100 PID 4300 wrote to memory of 3248 4300 csrss.exe 100 PID 4300 wrote to memory of 3248 4300 csrss.exe 100 PID 4300 wrote to memory of 3588 4300 csrss.exe 106 PID 4300 wrote to memory of 3588 4300 csrss.exe 106 PID 4300 wrote to memory of 3588 4300 csrss.exe 106 PID 4300 wrote to memory of 4372 4300 csrss.exe 108 PID 4300 wrote to memory of 4372 4300 csrss.exe 108 PID 4300 wrote to memory of 4372 4300 csrss.exe 108 PID 4300 wrote to memory of 4400 4300 csrss.exe 110 PID 4300 wrote to memory of 4400 4300 csrss.exe 110 PID 2892 wrote to memory of 4724 2892 windefender.exe 117 PID 2892 wrote to memory of 4724 2892 windefender.exe 117 PID 2892 wrote to memory of 4724 2892 windefender.exe 117 PID 4724 wrote to memory of 3308 4724 cmd.exe 118 PID 4724 wrote to memory of 3308 4724 cmd.exe 118 PID 4724 wrote to memory of 3308 4724 cmd.exe 118 -
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\ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe"C:\Users\Admin\AppData\Local\Temp\ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Users\Admin\AppData\Local\Temp\ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.exe"C:\Users\Admin\AppData\Local\Temp\ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c.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:1216 -
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:2776
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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:4888 -
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:392
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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:1460
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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:4764
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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:4300 -
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:3248
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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:4928
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3000
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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:3588
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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:4372
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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:4400
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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:3088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2892 -
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:4724 -
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:3308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1432
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
MD5a0a4348856ee8d0bdc79bcbed8a14364
SHA1c1d9a068677573bf12dd3e06588ae6f49db120bf
SHA2569d1e8e7edb1cde3e305a4a6acb01c20d30256e0dd30cd143426509aebaa9650e
SHA512e231341d8502d525abd9702ab193dc46c5b0aa01438012433a4cd3bb72852e8a9dcc7f8abde08b8c6ed7f199f2d81e8e71842ccb4dcdd312bd93913555e591ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af15ba8bc0bd451db81154f8387c3ae0
SHA1cef04a9473eb0c5f607365ea50b46401ca82e013
SHA256a19243cb906768765282eb7c0742e394c8c6b66078b4e5de5ae95824e3466c0b
SHA51297f9e179ac6a2418f86213bae6d739845ae954ffda740419915250f798fe12e1721109e22b01452c0ea556626ab35837734e535ecdb39c58a6f9921b140ec69b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ad713c5de947ec0a611558f8d61bd86
SHA1bd936e5d88e6724d89d20bce4458784b36b3d853
SHA256b806765f5a50626a305222a8e149deba4c416ee452439d010e63a4fdc4f8db01
SHA51213af0ac4b4dd85ea25064ddbd4d4a8e58653be575ebfd6f6a83f355f8d0298e00132480793a21dbe8b29611593dcdc156be0cce11ebbb2c51150b4940e8ecf63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f9fcceb014e2fc72b33b76553dbac0a
SHA18be696b8919e01ebff6f3d90c2ddc77138d4d6df
SHA256fb9a56e4acc48075a9e6fdf51ee408988ab555d211e23f244adeb4ccdc721949
SHA512b354075d1fc41d0209949f9ce742ba8e9833cbf80e741fff8c803bd6b7788eb8672ca12043e2a5a7aaa3a5aeaa11464c071319734e18079958e2a8620584cc18
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f2680a81c7652674cb846a7ae78de96
SHA18e0a544ee097ff51325fe7cb01b7415bfd5e1b68
SHA2569939487398a33df1830d20fd34aa874df31a30a3bdd51e136724825a6687dd25
SHA5124c868492cf0dcc2af9b88502e8af138cad9f576d6e8712802b6d4cc28db48d68ac25a3f5dbe4bd6e27f3331de43f74a55a3e0b94717cf994bc7162fba0e148fb
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Filesize
4.2MB
MD57ee48a244c52d18c314e6bd25354c851
SHA168630ca957c62b882c10f221d627f910da4ed622
SHA256ab09041c77751d16e2cf747e5da02ae63fa9560f6054b7abff2645e45adfa00c
SHA51258f86b9ea5fd4298c7fc240f7f91ff8e4b0e8f30791cb70457b0409481bec803a79a17043e4a1379c806be7251284e90d00168554c12e7b20b0187f000161a0f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec