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Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/04/2024, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe
Resource
win10v2004-20240226-en
General
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Target
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe
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Size
4.2MB
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MD5
1d748e27446ac0207c5defb09bf66286
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SHA1
9295c22c55232df43db693988bd544cfb2256548
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SHA256
aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad
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SHA512
e9d86bb7968db4d748ae0baad27e62613230e4c55ef903cb5b039d6d7827c45c9d390e38b8cb63072999954c348b5004d7c12d599520e94155724ba4dae896d2
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SSDEEP
98304:pnY8hbz61jPP3Eh/LJZCXyvoIfYYVNVbct1:5ZgjPP30LJZCixYYVs
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3372-2-0x0000000005290000-0x0000000005B7B000-memory.dmp family_glupteba behavioral2/memory/3372-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/3372-25-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/3372-53-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4956-56-0x0000000005220000-0x0000000005B0B000-memory.dmp family_glupteba behavioral2/memory/4956-57-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4956-86-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4956-104-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4956-117-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/4956-150-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-214-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-246-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-254-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-256-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-258-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-260-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-262-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-264-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-266-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/5052-268-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 688 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5052 csrss.exe 2824 injector.exe 3536 windefender.exe 1336 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7c5-249.dat upx behavioral2/memory/3536-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1336-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1336-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1336-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 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 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe File created C:\Windows\rss\csrss.exe aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3752 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2852 3372 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 744 schtasks.exe 1792 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.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\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1464 powershell.exe 1464 powershell.exe 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 1616 powershell.exe 1616 powershell.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 3468 powershell.exe 3468 powershell.exe 3324 powershell.exe 3324 powershell.exe 4568 powershell.exe 4568 powershell.exe 3544 powershell.exe 3544 powershell.exe 3980 powershell.exe 3980 powershell.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 5052 csrss.exe 5052 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 5052 csrss.exe 5052 csrss.exe 2824 injector.exe 2824 injector.exe 5052 csrss.exe 5052 csrss.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe 2824 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Token: SeImpersonatePrivilege 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeSystemEnvironmentPrivilege 5052 csrss.exe Token: SeSecurityPrivilege 3752 sc.exe Token: SeSecurityPrivilege 3752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3372 wrote to memory of 1464 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 78 PID 3372 wrote to memory of 1464 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 78 PID 3372 wrote to memory of 1464 3372 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 78 PID 4956 wrote to memory of 1616 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 86 PID 4956 wrote to memory of 1616 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 86 PID 4956 wrote to memory of 1616 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 86 PID 4956 wrote to memory of 3080 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 88 PID 4956 wrote to memory of 3080 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 88 PID 3080 wrote to memory of 688 3080 cmd.exe 90 PID 3080 wrote to memory of 688 3080 cmd.exe 90 PID 4956 wrote to memory of 3468 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 91 PID 4956 wrote to memory of 3468 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 91 PID 4956 wrote to memory of 3468 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 91 PID 4956 wrote to memory of 3324 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 93 PID 4956 wrote to memory of 3324 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 93 PID 4956 wrote to memory of 3324 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 93 PID 4956 wrote to memory of 5052 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 95 PID 4956 wrote to memory of 5052 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 95 PID 4956 wrote to memory of 5052 4956 aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe 95 PID 5052 wrote to memory of 4568 5052 csrss.exe 96 PID 5052 wrote to memory of 4568 5052 csrss.exe 96 PID 5052 wrote to memory of 4568 5052 csrss.exe 96 PID 5052 wrote to memory of 3544 5052 csrss.exe 102 PID 5052 wrote to memory of 3544 5052 csrss.exe 102 PID 5052 wrote to memory of 3544 5052 csrss.exe 102 PID 5052 wrote to memory of 3980 5052 csrss.exe 104 PID 5052 wrote to memory of 3980 5052 csrss.exe 104 PID 5052 wrote to memory of 3980 5052 csrss.exe 104 PID 5052 wrote to memory of 2824 5052 csrss.exe 106 PID 5052 wrote to memory of 2824 5052 csrss.exe 106 PID 3536 wrote to memory of 776 3536 windefender.exe 112 PID 3536 wrote to memory of 776 3536 windefender.exe 112 PID 3536 wrote to memory of 776 3536 windefender.exe 112 PID 776 wrote to memory of 3752 776 cmd.exe 113 PID 776 wrote to memory of 3752 776 cmd.exe 113 PID 776 wrote to memory of 3752 776 cmd.exe 113 -
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\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464
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C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.exe"C:\Users\Admin\AppData\Local\Temp\aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad.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:4956 -
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:1616
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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:3080 -
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:688
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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:3468
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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:3324
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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:5052 -
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:4568
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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:744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4208
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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:3544
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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:3980
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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:2824
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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:1792
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3536 -
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:776 -
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:3752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 9642⤵
- Program crash
PID:2852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3372 -ip 33721⤵PID:2780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1336
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
MD55976024ceb7c79d50b1d500b5318ad34
SHA131f97dfceb333f2d9f0e309fb5e506f45e7b6a60
SHA256363c6692e340f0542a5f08bbdf5aba2c88684312476e49528c8baac09d508d50
SHA51220cd4f0628ac3003e0fc31e9751d81aeabd56a0e6fef8c4853a468e270a9063db46ffa4e49628f5ad15370bcdded362f00a5b5c5340ec1a8427d3e96a04219e1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ed96decadb921cb1df91344da87fd30
SHA1b3f37e94f7e2a064758c72e780dd942ce2966c50
SHA25681c2612c57d2e742de36a6b5c09306b8b97021f0587a56385138097bea995079
SHA512532e3a044806abd90a12133d81a6e3da7079c563e11ab93f399df5bf9f07b7ac1d7a7894f13fb5d38f5118134b2182836d242c24f27774dbd8a7bdad59caa1e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a5f7985d40dfddf81899897a326b248
SHA1f4765eb2d74aa47df02415871b08a99307db5693
SHA2562b107cf3b8f0f2927f8be124f03ca9a5f4863a4169047bd4971cb46ab5e1ade2
SHA51237ba575cc5f7d0c74405ba35dfe699844980cfefe50e6423169a1d12f5c0726e28ec8991fc1ab6c54edb6aa47f0ac34870e121ee0c00b263c7fdbc539c6af48d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c16db5640b50d0744c912951d5b39147
SHA11be4c3bd7d978deef9f00941d8cd41abe2b4e9e8
SHA256f608ec257c56423044d13ffdb289ce30f41734a79d390db9f8c6f94be7dd08ad
SHA51275ea91a905d0c552b049f9df97027b9318e3bd720eed1e661d63e3e6e7db45e0e9ade7b34ee136f90922ed5265b993fcd683e7dc2e5408393b098b342b28420f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d18de9b84ac918efb5185c9decf1937
SHA183abc30955b17bb55d9682802bef01a17d0a77a9
SHA256ce4db1db0f0d312d7a95582d48bcc136358c95a4afaa957e5934d21f2689787b
SHA5126511bf9c98fc81226bfd02516f711a8711b6f0f240ad950346e182417c1c13974a53ee031b9ad9017ad288550ab69a36824435cbe8778d293f832c90d8b0825a
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Filesize
4.2MB
MD51d748e27446ac0207c5defb09bf66286
SHA19295c22c55232df43db693988bd544cfb2256548
SHA256aaaf6dcdfec4b3ae443194992fb5837a6f712c29a41705f35ec7446eebea1aad
SHA512e9d86bb7968db4d748ae0baad27e62613230e4c55ef903cb5b039d6d7827c45c9d390e38b8cb63072999954c348b5004d7c12d599520e94155724ba4dae896d2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec