Analysis
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max time kernel
163s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-07-2022 11:41
Static task
static1
Behavioral task
behavioral1
Sample
4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe
Resource
win7-20220414-en
General
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Target
4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe
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Size
669KB
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MD5
10349a36cbd8aa3a5f13b3a591432218
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SHA1
236083b08295a9ecfbc43f5c603d752f6b9ed868
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SHA256
4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c
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SHA512
cc0a78ff92497f9546fa13ca509135d874c23f3843efa5050345c8f691062184bfb7931fda958731d675a77c96f271f2b25d0a603547decef403f987f673d4b3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 920 svhost.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe.lnk 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini svhost.exe File opened for modification C:\Windows\assembly\Desktop.ini svhost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1256 set thread context of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly svhost.exe File created C:\Windows\assembly\Desktop.ini svhost.exe File opened for modification C:\Windows\assembly\Desktop.ini svhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\Windows\svchost.exe:Zone.Identifier cmd.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 920 svhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe Token: SeDebugPrivilege 920 svhost.exe Token: 33 920 svhost.exe Token: SeIncBasePriorityPrivilege 920 svhost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 920 svhost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1256 wrote to memory of 4976 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 90 PID 1256 wrote to memory of 4976 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 90 PID 1256 wrote to memory of 4976 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 90 PID 4976 wrote to memory of 4304 4976 cmd.exe 92 PID 4976 wrote to memory of 4304 4976 cmd.exe 92 PID 4976 wrote to memory of 4304 4976 cmd.exe 92 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93 PID 1256 wrote to memory of 920 1256 4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe"C:\Users\Admin\AppData\Local\Temp\4584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe"2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Windows\svchost.exe.lnk" /f3⤵PID:4304
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C:\Users\Admin\AppData\Local\Temp\svhost.exe"C:\Users\Admin\AppData\Local\Temp\svhost.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:920
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3640
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
669KB
MD510349a36cbd8aa3a5f13b3a591432218
SHA1236083b08295a9ecfbc43f5c603d752f6b9ed868
SHA2564584d37d138cbd2a0909c36485aa0ccd3b513a169aee5a486d7210a84f62f36c
SHA512cc0a78ff92497f9546fa13ca509135d874c23f3843efa5050345c8f691062184bfb7931fda958731d675a77c96f271f2b25d0a603547decef403f987f673d4b3
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Filesize
89KB
MD584c42d0f2c1ae761bef884638bc1eacd
SHA14353881e7f4e9c7610f4e0489183b55bb58bb574
SHA256331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
SHA51243c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87
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Filesize
89KB
MD584c42d0f2c1ae761bef884638bc1eacd
SHA14353881e7f4e9c7610f4e0489183b55bb58bb574
SHA256331487446653875bf1e628b797a5283e40056654f7ff328eafbe39b0304480d3
SHA51243c307a38faa3a4b311597034cf75035a4434a1024d2a54e867e6a94b53b677898d71a858438d119000e872a7a6e92c5b31d277a8c207a94375ed4fd3c7beb87