Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 07:15
Static task
static1
Behavioral task
behavioral1
Sample
0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe
Resource
win10v2004-20220812-en
General
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Target
0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe
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Size
730KB
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MD5
5aa3cd5c223ef9778ec940ed561fbe0e
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SHA1
da6e6b439b88363270843bea893a799afe48def6
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SHA256
0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f
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SHA512
ebaf5d45dc9c741aa5bbc3aeb2b4d3271c96eae24ab2e12d4f0ced53278bb0d3d4bf6424abe522e337b934e68376bf92e5f6ec9e8a6e04c0891755f572bc1871
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SSDEEP
768:rZmchlXKGREW6VA6joSRhFH+C9Pe2auEqainmngYWxuv8Gwmwoe9R4ZstojtfcWv:schl6M+lpDCUoHid0bIrlyR
Malware Config
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3000 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AntiMalwareServiceExecutable = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.2111.5-0\\MsMpEng.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 11 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1832 schtasks.exe 3816 schtasks.exe 1856 schtasks.exe 3884 schtasks.exe 4924 schtasks.exe 3120 schtasks.exe 4320 schtasks.exe 836 schtasks.exe 4520 schtasks.exe 1776 schtasks.exe 4692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4824 powershell.exe 4824 powershell.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe 3000 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe Token: SeDebugPrivilege 3000 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2128 wrote to memory of 1372 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 81 PID 2128 wrote to memory of 1372 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 81 PID 2128 wrote to memory of 1372 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 81 PID 1372 wrote to memory of 2336 1372 cmd.exe 83 PID 1372 wrote to memory of 2336 1372 cmd.exe 83 PID 1372 wrote to memory of 2336 1372 cmd.exe 83 PID 1372 wrote to memory of 4824 1372 cmd.exe 84 PID 1372 wrote to memory of 4824 1372 cmd.exe 84 PID 1372 wrote to memory of 4824 1372 cmd.exe 84 PID 2128 wrote to memory of 3000 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 86 PID 2128 wrote to memory of 3000 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 86 PID 2128 wrote to memory of 3000 2128 0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe 86 PID 3000 wrote to memory of 2952 3000 dllhost.exe 87 PID 3000 wrote to memory of 2952 3000 dllhost.exe 87 PID 3000 wrote to memory of 2952 3000 dllhost.exe 87 PID 3000 wrote to memory of 4248 3000 dllhost.exe 88 PID 3000 wrote to memory of 4248 3000 dllhost.exe 88 PID 3000 wrote to memory of 4248 3000 dllhost.exe 88 PID 3000 wrote to memory of 2372 3000 dllhost.exe 97 PID 3000 wrote to memory of 2372 3000 dllhost.exe 97 PID 3000 wrote to memory of 2372 3000 dllhost.exe 97 PID 3000 wrote to memory of 4584 3000 dllhost.exe 90 PID 3000 wrote to memory of 4584 3000 dllhost.exe 90 PID 3000 wrote to memory of 4584 3000 dllhost.exe 90 PID 3000 wrote to memory of 4028 3000 dllhost.exe 91 PID 3000 wrote to memory of 4028 3000 dllhost.exe 91 PID 3000 wrote to memory of 4028 3000 dllhost.exe 91 PID 3000 wrote to memory of 340 3000 dllhost.exe 96 PID 3000 wrote to memory of 340 3000 dllhost.exe 96 PID 3000 wrote to memory of 340 3000 dllhost.exe 96 PID 3000 wrote to memory of 4808 3000 dllhost.exe 98 PID 3000 wrote to memory of 4808 3000 dllhost.exe 98 PID 3000 wrote to memory of 4808 3000 dllhost.exe 98 PID 3000 wrote to memory of 3760 3000 dllhost.exe 99 PID 3000 wrote to memory of 3760 3000 dllhost.exe 99 PID 3000 wrote to memory of 3760 3000 dllhost.exe 99 PID 3000 wrote to memory of 3648 3000 dllhost.exe 102 PID 3000 wrote to memory of 3648 3000 dllhost.exe 102 PID 3000 wrote to memory of 3648 3000 dllhost.exe 102 PID 3000 wrote to memory of 5016 3000 dllhost.exe 104 PID 3000 wrote to memory of 5016 3000 dllhost.exe 104 PID 3000 wrote to memory of 5016 3000 dllhost.exe 104 PID 3000 wrote to memory of 384 3000 dllhost.exe 106 PID 3000 wrote to memory of 384 3000 dllhost.exe 106 PID 3000 wrote to memory of 384 3000 dllhost.exe 106 PID 3000 wrote to memory of 4564 3000 dllhost.exe 109 PID 3000 wrote to memory of 4564 3000 dllhost.exe 109 PID 3000 wrote to memory of 4564 3000 dllhost.exe 109 PID 4248 wrote to memory of 3884 4248 cmd.exe 111 PID 4248 wrote to memory of 3884 4248 cmd.exe 111 PID 4248 wrote to memory of 3884 4248 cmd.exe 111 PID 4028 wrote to memory of 3120 4028 cmd.exe 113 PID 4028 wrote to memory of 3120 4028 cmd.exe 113 PID 4028 wrote to memory of 3120 4028 cmd.exe 113 PID 2372 wrote to memory of 4924 2372 cmd.exe 112 PID 2372 wrote to memory of 4924 2372 cmd.exe 112 PID 2372 wrote to memory of 4924 2372 cmd.exe 112 PID 340 wrote to memory of 836 340 cmd.exe 115 PID 340 wrote to memory of 836 340 cmd.exe 115 PID 340 wrote to memory of 836 340 cmd.exe 115 PID 4584 wrote to memory of 4320 4584 cmd.exe 114 PID 4584 wrote to memory of 4320 4584 cmd.exe 114 PID 4584 wrote to memory of 4320 4584 cmd.exe 114 PID 3760 wrote to memory of 1832 3760 cmd.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe"C:\Users\Admin\AppData\Local\Temp\0142aa81a22b7eeef19817ccabb6763c9fa9c8ffb20f0eaa1b01c561c45f5c6f.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:2336
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824
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C:\ProgramData\Dllhost\dllhost.exe"C:\ProgramData\Dllhost\dllhost.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:2952
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3884
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4320
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4028 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3120
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:340 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:836
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4924
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4808
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4520
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3760 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1832
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6371" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:3648
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6371" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1776
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9768" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:5016
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk9768" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3816
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5020" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:384
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5020" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4692
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3474" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4564
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk3474" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1856
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:4860
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:3920
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵PID:2804
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1128
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
947KB
MD51b64197b49f4c6f296006544534a44f2
SHA13f2c0c303b9fad03da3233d7b6415226638fb266
SHA256c704292fe913e54afc9243811e3082a5e5d3506e71909cb7d424f18bf92a2ded
SHA512d01133c231c4239e5da2112686245bb86cc5ff03cc2513011c4d4a947855714f91c9834d218892b1c6bba11cbe3288594ed60b625b4b9170c939cbb4ff3c7174
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Filesize
947KB
MD51b64197b49f4c6f296006544534a44f2
SHA13f2c0c303b9fad03da3233d7b6415226638fb266
SHA256c704292fe913e54afc9243811e3082a5e5d3506e71909cb7d424f18bf92a2ded
SHA512d01133c231c4239e5da2112686245bb86cc5ff03cc2513011c4d4a947855714f91c9834d218892b1c6bba11cbe3288594ed60b625b4b9170c939cbb4ff3c7174
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Filesize
497B
MD513fda2ab01b83a5130842a5bab3892d3
SHA16e18e4b467cde054a63a95d4dfc030f156ecd215
SHA25676973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e
SHA512c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc