Analysis
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max time kernel
150s -
max time network
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platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
08/10/2022, 16:27
Static task
static1
Behavioral task
behavioral1
Sample
3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe
Resource
win10-20220901-en
General
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Target
3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe
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Size
733KB
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MD5
63a07d1b16c6f97d391530ed623c53e9
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SHA1
d630193748ff1c23573717b8e605aadbecc251f4
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SHA256
3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7
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SHA512
ab00d6ced2642314ac1f8f838a89ca1de966f90406a09fcc433b16451598fe76f44c7408f5bab938d86581c0ed1cecc98ffaa9ab07fc11b18edeae09b2fb69ad
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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 3620 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows\CurrentVersion\Run\AntiMalwareServiceExecutable = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.2111.5-0\\MsMpEng.exe" dllhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Creates scheduled task(s) 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1468 schtasks.exe 4756 schtasks.exe 5028 schtasks.exe 4248 schtasks.exe 1472 schtasks.exe 2776 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3804 powershell.exe 3804 powershell.exe 3804 powershell.exe 2640 powershell.exe 2640 powershell.exe 2640 powershell.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe 3620 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3804 powershell.exe Token: SeDebugPrivilege 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe Token: SeDebugPrivilege 2640 powershell.exe Token: SeDebugPrivilege 3620 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2748 wrote to memory of 4072 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 66 PID 2748 wrote to memory of 4072 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 66 PID 2748 wrote to memory of 4072 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 66 PID 4072 wrote to memory of 2976 4072 cmd.exe 68 PID 4072 wrote to memory of 2976 4072 cmd.exe 68 PID 4072 wrote to memory of 2976 4072 cmd.exe 68 PID 4072 wrote to memory of 3804 4072 cmd.exe 69 PID 4072 wrote to memory of 3804 4072 cmd.exe 69 PID 4072 wrote to memory of 3804 4072 cmd.exe 69 PID 4072 wrote to memory of 2640 4072 cmd.exe 70 PID 4072 wrote to memory of 2640 4072 cmd.exe 70 PID 4072 wrote to memory of 2640 4072 cmd.exe 70 PID 2748 wrote to memory of 3620 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 71 PID 2748 wrote to memory of 3620 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 71 PID 2748 wrote to memory of 3620 2748 3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe 71 PID 3620 wrote to memory of 4588 3620 dllhost.exe 72 PID 3620 wrote to memory of 4588 3620 dllhost.exe 72 PID 3620 wrote to memory of 4588 3620 dllhost.exe 72 PID 3620 wrote to memory of 4908 3620 dllhost.exe 73 PID 3620 wrote to memory of 4908 3620 dllhost.exe 73 PID 3620 wrote to memory of 4908 3620 dllhost.exe 73 PID 3620 wrote to memory of 4564 3620 dllhost.exe 74 PID 3620 wrote to memory of 4564 3620 dllhost.exe 74 PID 3620 wrote to memory of 4564 3620 dllhost.exe 74 PID 3620 wrote to memory of 4552 3620 dllhost.exe 75 PID 3620 wrote to memory of 4552 3620 dllhost.exe 75 PID 3620 wrote to memory of 4552 3620 dllhost.exe 75 PID 3620 wrote to memory of 3980 3620 dllhost.exe 76 PID 3620 wrote to memory of 3980 3620 dllhost.exe 76 PID 3620 wrote to memory of 3980 3620 dllhost.exe 76 PID 3620 wrote to memory of 564 3620 dllhost.exe 91 PID 3620 wrote to memory of 564 3620 dllhost.exe 91 PID 3620 wrote to memory of 564 3620 dllhost.exe 91 PID 3620 wrote to memory of 4960 3620 dllhost.exe 78 PID 3620 wrote to memory of 4960 3620 dllhost.exe 78 PID 3620 wrote to memory of 4960 3620 dllhost.exe 78 PID 3620 wrote to memory of 1232 3620 dllhost.exe 79 PID 3620 wrote to memory of 1232 3620 dllhost.exe 79 PID 3620 wrote to memory of 1232 3620 dllhost.exe 79 PID 3620 wrote to memory of 1500 3620 dllhost.exe 89 PID 3620 wrote to memory of 1500 3620 dllhost.exe 89 PID 3620 wrote to memory of 1500 3620 dllhost.exe 89 PID 3620 wrote to memory of 1684 3620 dllhost.exe 81 PID 3620 wrote to memory of 1684 3620 dllhost.exe 81 PID 3620 wrote to memory of 1684 3620 dllhost.exe 81 PID 3620 wrote to memory of 3300 3620 dllhost.exe 87 PID 3620 wrote to memory of 3300 3620 dllhost.exe 87 PID 3620 wrote to memory of 3300 3620 dllhost.exe 87 PID 3620 wrote to memory of 2172 3620 dllhost.exe 84 PID 3620 wrote to memory of 2172 3620 dllhost.exe 84 PID 3620 wrote to memory of 2172 3620 dllhost.exe 84 PID 4564 wrote to memory of 2776 4564 cmd.exe 95 PID 4564 wrote to memory of 2776 4564 cmd.exe 95 PID 4564 wrote to memory of 2776 4564 cmd.exe 95 PID 4588 wrote to memory of 1468 4588 cmd.exe 96 PID 4588 wrote to memory of 1468 4588 cmd.exe 96 PID 4588 wrote to memory of 1468 4588 cmd.exe 96 PID 4908 wrote to memory of 4756 4908 cmd.exe 97 PID 4908 wrote to memory of 4756 4908 cmd.exe 97 PID 4908 wrote to memory of 4756 4908 cmd.exe 97 PID 3980 wrote to memory of 5028 3980 cmd.exe 98 PID 3980 wrote to memory of 5028 3980 cmd.exe 98 PID 3980 wrote to memory of 5028 3980 cmd.exe 98 PID 4960 wrote to memory of 4248 4960 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe"C:\Users\Admin\AppData\Local\Temp\3022a64df1c4125ce3ba1b6ca8b96416e2321b829211d1e7be06859552e223d7.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:2976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3804
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640
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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:3620 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1468
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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:4908 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4756
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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:4564 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2776
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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⤵PID:4552
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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:3980 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:5028
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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⤵
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4248
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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⤵PID:1232
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk3315" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1684
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7081" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:2172
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk7081" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1472
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk2490" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:3300
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2435" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1500
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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⤵PID:564
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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:1040
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:32
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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:872
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:3436
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
959KB
MD5e661962d64da78a94d4f29917ccd7e19
SHA1bb41e7ee73ef1f5ed75a06375253b076d2a655fb
SHA256c52a4d20fadb74c3efd3acfb549588975cad1dad2f2d8df9c4e089bc75fc7e61
SHA5124e5536fa501212077bb4eb9b1bcb565ecd430b74f7be3ef1fe13a1aecd237804c151afd3c10450c3c3d2fc122d3d8dab055292540c6422a4bc03e1eee0461183
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Filesize
959KB
MD5e661962d64da78a94d4f29917ccd7e19
SHA1bb41e7ee73ef1f5ed75a06375253b076d2a655fb
SHA256c52a4d20fadb74c3efd3acfb549588975cad1dad2f2d8df9c4e089bc75fc7e61
SHA5124e5536fa501212077bb4eb9b1bcb565ecd430b74f7be3ef1fe13a1aecd237804c151afd3c10450c3c3d2fc122d3d8dab055292540c6422a4bc03e1eee0461183
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Filesize
497B
MD513fda2ab01b83a5130842a5bab3892d3
SHA16e18e4b467cde054a63a95d4dfc030f156ecd215
SHA25676973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e
SHA512c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc
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Filesize
2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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Filesize
18KB
MD557cb46e48a63e52408384d2ba7919ee2
SHA105c317c3a3e9a82895cb3f78ebf9d1b3facdc823
SHA2569192076199ff95f831c97b7872e280b01701b36670f0cce9e72907a170f601a3
SHA5129bd01648d04ef371d7cac5b674ac6cda88c5c5cde9763c443c4a00ec9ae72d45527aa6474536c0234ca83ff39c574be1ce06650e4043f5217db0f69137a08367