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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2023, 09:49
Static task
static1
General
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Target
73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe
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Size
4.2MB
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MD5
2b8e7dc4c905490c6fe86bb883ca139b
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SHA1
c530971180d0513b3e36d909037b9334192b16c5
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SHA256
73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a
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SHA512
7bb88f12fa5b1f440458ca3269a4b58fafae179ab996ec7720308e782448a12bf24ce88c0e46a852a95f59d7afc75678f6e6b2ad3cb5d8e9f3ac5c4939bde860
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SSDEEP
98304:j+puVteKx1pqKSkGnKQ1oMsooX5Xl4ul66+0kj5K:ipuVtNHZHxXl4mB
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4640-1-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral1/memory/4640-2-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4640-16-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4640-23-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral1/memory/4640-47-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4640-55-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-57-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-70-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-83-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-91-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-130-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/4436-149-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-151-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-164-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-206-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-241-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-251-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-254-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-257-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-260-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba behavioral1/memory/3128-263-0x0000000000400000-0x0000000002827000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 840 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3128 csrss.exe 2560 injector.exe 3724 windefender.exe 4716 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000070f-245.dat upx behavioral1/files/0x000400000000070f-247.dat upx behavioral1/files/0x000400000000070f-248.dat upx behavioral1/memory/3724-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe File created C:\Windows\rss\csrss.exe 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.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 4452 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 3976 schtasks.exe 3076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\1e\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4520 powershell.exe 4520 powershell.exe 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 2968 powershell.exe 2968 powershell.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 4148 powershell.exe 4148 powershell.exe 3168 powershell.exe 3168 powershell.exe 220 powershell.exe 220 powershell.exe 3972 powershell.exe 3972 powershell.exe 3844 powershell.exe 3844 powershell.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 3128 csrss.exe 3128 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 3128 csrss.exe 3128 csrss.exe 2560 injector.exe 2560 injector.exe 3128 csrss.exe 3128 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4520 powershell.exe Token: SeDebugPrivilege 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Token: SeImpersonatePrivilege 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 4148 powershell.exe Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeSystemEnvironmentPrivilege 3128 csrss.exe Token: SeSecurityPrivilege 4452 sc.exe Token: SeSecurityPrivilege 4452 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4640 wrote to memory of 4520 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 87 PID 4640 wrote to memory of 4520 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 87 PID 4640 wrote to memory of 4520 4640 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 87 PID 4436 wrote to memory of 2968 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 94 PID 4436 wrote to memory of 2968 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 94 PID 4436 wrote to memory of 2968 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 94 PID 4436 wrote to memory of 4616 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 97 PID 4436 wrote to memory of 4616 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 97 PID 4616 wrote to memory of 840 4616 cmd.exe 98 PID 4616 wrote to memory of 840 4616 cmd.exe 98 PID 4436 wrote to memory of 4148 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 99 PID 4436 wrote to memory of 4148 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 99 PID 4436 wrote to memory of 4148 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 99 PID 4436 wrote to memory of 3168 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 101 PID 4436 wrote to memory of 3168 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 101 PID 4436 wrote to memory of 3168 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 101 PID 4436 wrote to memory of 3128 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 103 PID 4436 wrote to memory of 3128 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 103 PID 4436 wrote to memory of 3128 4436 73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe 103 PID 3128 wrote to memory of 220 3128 csrss.exe 104 PID 3128 wrote to memory of 220 3128 csrss.exe 104 PID 3128 wrote to memory of 220 3128 csrss.exe 104 PID 3128 wrote to memory of 3972 3128 csrss.exe 110 PID 3128 wrote to memory of 3972 3128 csrss.exe 110 PID 3128 wrote to memory of 3972 3128 csrss.exe 110 PID 3128 wrote to memory of 3844 3128 csrss.exe 112 PID 3128 wrote to memory of 3844 3128 csrss.exe 112 PID 3128 wrote to memory of 3844 3128 csrss.exe 112 PID 3128 wrote to memory of 2560 3128 csrss.exe 114 PID 3128 wrote to memory of 2560 3128 csrss.exe 114 PID 3724 wrote to memory of 8 3724 windefender.exe 120 PID 3724 wrote to memory of 8 3724 windefender.exe 120 PID 3724 wrote to memory of 8 3724 windefender.exe 120 PID 8 wrote to memory of 4452 8 cmd.exe 121 PID 8 wrote to memory of 4452 8 cmd.exe 121 PID 8 wrote to memory of 4452 8 cmd.exe 121
Processes
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C:\Users\Admin\AppData\Local\Temp\73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe"C:\Users\Admin\AppData\Local\Temp\73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4520
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C:\Users\Admin\AppData\Local\Temp\73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.exe"C:\Users\Admin\AppData\Local\Temp\73d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a.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:4436 -
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:2968
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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:4616 -
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:840
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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:4148
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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:3168
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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:3128 -
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:220
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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:3976
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1360
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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:3972
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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:3844
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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:2560
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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:3076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3724 -
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:8 -
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:4452
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4716
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
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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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
MD592a53d152d79e639c244a6a5eed79576
SHA19c7bb5eeb041d74844811216a2f1e893007783e0
SHA256bb037fb200f2afc7b1fe1345a3fab466bfa6dcb084d32e7092cbdb90dd0404a3
SHA51286a066ecda9bd0bfa8d92f56102434ef4a5ac9ed0689875e913962e88267da999416bc8bcf86d10460b5cdb4465b0234f1e91616b4b60ab8bb197189edc78186
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500382b8543c8fa0e395d80d56dc37254
SHA1daf92a335018f0f4f12f7f734a2bdc647873af6d
SHA2566e4610ce71885a4af7d480a95e9accda26af489017b3ca73d99398765fb0d4ee
SHA5122952e68edf870e17f37d70680b0ae4ba7807ca6ef2850ceb3df540a5a41ead8a758da2125689a6fe8b8f7cc8cd5eab89ff1ab72aef5351b911c438b16dad5711
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd10e3364d95661fadcd8afa11fa92a2
SHA16e31636bea38de3f27eba0aa4ca243ad2f58d9ef
SHA256cd7d0948669a28f29dd485ba834d24e88d5f2800b2e95bcc7d0c0a6eda83551c
SHA51274f9828f005a91496ee0db2c1568a8b14f0529c8cf6df99be4f8dce8bd26c4ede9c239c23b47adce068893d39938b6e872e3d2b74093050b294ea1cff3e4aa10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510c934a2557174d9ad53250a2afd0a28
SHA1e50f5337a49a2574ba727f945a3486b2111c7f65
SHA2560869fbdfef33b54e630f23bdacd721e37debe50751e998cf6889630cf7fe0ab5
SHA512de384c0c81b04698f2efcd67d9c2db6400413a96a2045be35bc315a350f486040d5295e36b5e1b35908488e2a42c7d39628783d667f20cf156dd57da11169ee9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f48696721a888b3397af278c1172059a
SHA1a4036fbd56a003ed44e3b2aaa536c2ec256bc4ab
SHA2569e04b2dcc7cc2bc2ea056e1b58b9f9984310a4990d17dc8cb73bf637ef87a452
SHA512c314fe64521c791a6d869445e4aebd4818388c780dbe9e0261e0e2c45ce0e61f67f4c6fc3faa993dd0496c9b7f390353ba9dd37c1506c3cfeab959b145c9cd21
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Filesize
4.2MB
MD52b8e7dc4c905490c6fe86bb883ca139b
SHA1c530971180d0513b3e36d909037b9334192b16c5
SHA25673d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a
SHA5127bb88f12fa5b1f440458ca3269a4b58fafae179ab996ec7720308e782448a12bf24ce88c0e46a852a95f59d7afc75678f6e6b2ad3cb5d8e9f3ac5c4939bde860
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Filesize
4.2MB
MD52b8e7dc4c905490c6fe86bb883ca139b
SHA1c530971180d0513b3e36d909037b9334192b16c5
SHA25673d93bc44558c1651e92fdda2aa03f3c6a8b8fcf37552305420703439272c96a
SHA5127bb88f12fa5b1f440458ca3269a4b58fafae179ab996ec7720308e782448a12bf24ce88c0e46a852a95f59d7afc75678f6e6b2ad3cb5d8e9f3ac5c4939bde860
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec