Analysis
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max time kernel
149s -
max time network
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platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
07/10/2022, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe
Resource
win10-20220812-en
General
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Target
d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe
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Size
732KB
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MD5
0919fbbc44d66a83b0ea973fa958a0e0
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SHA1
c67dd5a56671a9162bbc0d6bab7f8f3d4924692f
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SHA256
d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9
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SHA512
b432051a8f4f3ec93bc11d195426b9fcdbe195f0dcdc71dd4e4270b42156d75726bfae0196061c9805f2718a96fe98c498e9efde99e834a087ba7cf4f1e9c093
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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 1944 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\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-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "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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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1336 schtasks.exe 660 schtasks.exe 200 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1956 powershell.exe 1956 powershell.exe 1956 powershell.exe 4696 powershell.exe 4696 powershell.exe 4696 powershell.exe 204 powershell.exe 204 powershell.exe 204 powershell.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe 1944 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 204 powershell.exe Token: SeDebugPrivilege 1944 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3992 wrote to memory of 3440 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 67 PID 3992 wrote to memory of 3440 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 67 PID 3992 wrote to memory of 3440 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 67 PID 3440 wrote to memory of 4868 3440 cmd.exe 69 PID 3440 wrote to memory of 4868 3440 cmd.exe 69 PID 3440 wrote to memory of 4868 3440 cmd.exe 69 PID 3440 wrote to memory of 1956 3440 cmd.exe 70 PID 3440 wrote to memory of 1956 3440 cmd.exe 70 PID 3440 wrote to memory of 1956 3440 cmd.exe 70 PID 3440 wrote to memory of 4696 3440 cmd.exe 71 PID 3440 wrote to memory of 4696 3440 cmd.exe 71 PID 3440 wrote to memory of 4696 3440 cmd.exe 71 PID 3440 wrote to memory of 204 3440 cmd.exe 72 PID 3440 wrote to memory of 204 3440 cmd.exe 72 PID 3440 wrote to memory of 204 3440 cmd.exe 72 PID 3992 wrote to memory of 1944 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 73 PID 3992 wrote to memory of 1944 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 73 PID 3992 wrote to memory of 1944 3992 d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe 73 PID 1944 wrote to memory of 4832 1944 dllhost.exe 74 PID 1944 wrote to memory of 4832 1944 dllhost.exe 74 PID 1944 wrote to memory of 4832 1944 dllhost.exe 74 PID 1944 wrote to memory of 3700 1944 dllhost.exe 75 PID 1944 wrote to memory of 3700 1944 dllhost.exe 75 PID 1944 wrote to memory of 3700 1944 dllhost.exe 75 PID 1944 wrote to memory of 3812 1944 dllhost.exe 76 PID 1944 wrote to memory of 3812 1944 dllhost.exe 76 PID 1944 wrote to memory of 3812 1944 dllhost.exe 76 PID 1944 wrote to memory of 3752 1944 dllhost.exe 77 PID 1944 wrote to memory of 3752 1944 dllhost.exe 77 PID 1944 wrote to memory of 3752 1944 dllhost.exe 77 PID 1944 wrote to memory of 4940 1944 dllhost.exe 78 PID 1944 wrote to memory of 4940 1944 dllhost.exe 78 PID 1944 wrote to memory of 4940 1944 dllhost.exe 78 PID 1944 wrote to memory of 4620 1944 dllhost.exe 87 PID 1944 wrote to memory of 4620 1944 dllhost.exe 87 PID 1944 wrote to memory of 4620 1944 dllhost.exe 87 PID 1944 wrote to memory of 5052 1944 dllhost.exe 86 PID 1944 wrote to memory of 5052 1944 dllhost.exe 86 PID 1944 wrote to memory of 5052 1944 dllhost.exe 86 PID 1944 wrote to memory of 3004 1944 dllhost.exe 85 PID 1944 wrote to memory of 3004 1944 dllhost.exe 85 PID 1944 wrote to memory of 3004 1944 dllhost.exe 85 PID 1944 wrote to memory of 5088 1944 dllhost.exe 83 PID 1944 wrote to memory of 5088 1944 dllhost.exe 83 PID 1944 wrote to memory of 5088 1944 dllhost.exe 83 PID 1944 wrote to memory of 3464 1944 dllhost.exe 82 PID 1944 wrote to memory of 3464 1944 dllhost.exe 82 PID 1944 wrote to memory of 3464 1944 dllhost.exe 82 PID 1944 wrote to memory of 4168 1944 dllhost.exe 89 PID 1944 wrote to memory of 4168 1944 dllhost.exe 89 PID 1944 wrote to memory of 4168 1944 dllhost.exe 89 PID 1944 wrote to memory of 1428 1944 dllhost.exe 90 PID 1944 wrote to memory of 1428 1944 dllhost.exe 90 PID 1944 wrote to memory of 1428 1944 dllhost.exe 90 PID 3812 wrote to memory of 1336 3812 cmd.exe 98 PID 3812 wrote to memory of 1336 3812 cmd.exe 98 PID 3812 wrote to memory of 1336 3812 cmd.exe 98 PID 4940 wrote to memory of 660 4940 cmd.exe 99 PID 4940 wrote to memory of 660 4940 cmd.exe 99 PID 4940 wrote to memory of 660 4940 cmd.exe 99 PID 1428 wrote to memory of 200 1428 cmd.exe 100 PID 1428 wrote to memory of 200 1428 cmd.exe 100 PID 1428 wrote to memory of 200 1428 cmd.exe 100 PID 1944 wrote to memory of 772 1944 dllhost.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe"C:\Users\Admin\AppData\Local\Temp\d42ed340aa39d961c1134791079c1a54d399faed768331dca4e3f625e97cbbd9.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:4868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956
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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:4696
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:204
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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:1944 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4832
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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⤵PID:3700
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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:3812 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1336
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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:3752
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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:4940 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:660
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk8486" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:3464
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk6882" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:5088
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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:3004
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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:5052
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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:4620
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk5104" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4168
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9264" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk9264" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:200
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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:772
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1584
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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:2420
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:4620
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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:4316
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:4296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
956KB
MD57dbe973211c5ec252dd8bf2249a6003e
SHA1e29e78d9455c35fdd015e7fa9618669fcc5bbf1e
SHA256fc75c74a711738c3ded1f2c8cbbcb863502733b01d18a8bfcb3cc78d3c270880
SHA512555c7a4aaf39283c7d6fb196b1e0fa66e64d498c70500c02756a592059f22d4c45cf86d796f05f48b5a18f3ad200848b0cc457ce16b736079f1360447f3c69cd
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Filesize
956KB
MD57dbe973211c5ec252dd8bf2249a6003e
SHA1e29e78d9455c35fdd015e7fa9618669fcc5bbf1e
SHA256fc75c74a711738c3ded1f2c8cbbcb863502733b01d18a8bfcb3cc78d3c270880
SHA512555c7a4aaf39283c7d6fb196b1e0fa66e64d498c70500c02756a592059f22d4c45cf86d796f05f48b5a18f3ad200848b0cc457ce16b736079f1360447f3c69cd
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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
MD566134897492ac1b5dd2065ee47aabe40
SHA1e4e1b27efcabf801884d76dde6ed03648d35908e
SHA25668bb6da7fe4cd68a011d92fd5a150d237dddc938a0ee6f4c4872d005a273f3b7
SHA512d8b1100f6c1a0dbc9d47784ae05e4eb689f984bae563dca04d29e2d2d4c9dce5ab91636ccf36fabc698c823bbb441b011d9dcf95b62b57e500994fda7fe8d047
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Filesize
18KB
MD5fbecd4b4cd0d666fa5cefde712087755
SHA1544a465b8b1ecc8cceccf73f53673c711755bde9
SHA2562842cedf96dfc6777928de254e0906b8f5bbb22ee0f6516b1979f6b6fd007e4d
SHA512eed0a29d4d1db09217bf2509e107ff43cc917fb0ddbf80bbbdcb7d65a5eeb55262572b263cd91cb07d95e0c749779d988a5096245737b1e7522803ad8acefe6e