Analysis
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max time kernel
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max time network
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platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/10/2022, 16:02
Static task
static1
Behavioral task
behavioral1
Sample
d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe
Resource
win10-20220901-en
General
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Target
d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe
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Size
734KB
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MD5
695f15397481e5f6a025ce31bb38eef5
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SHA1
571b97e9c638d38aebc0acfbbbe9fb5dd00c9b64
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SHA256
d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8
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SHA512
0f8b82d7101b82fea13ab3e24abe79833c3f2d812f1d80089de678621986defbe084d941f5ebb8bea12163d481ece10f9576907d736600904bb7c88ee589d834
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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 5080 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\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\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\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\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\AntiMalwareServiceExecutable = "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\4.18.2111.5-0\\MsMpEng.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\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\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 2720 schtasks.exe 2116 schtasks.exe 5004 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4972 powershell.exe 4972 powershell.exe 4972 powershell.exe 2948 powershell.exe 2948 powershell.exe 2948 powershell.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe 5080 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 5080 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3520 wrote to memory of 2228 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 66 PID 3520 wrote to memory of 2228 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 66 PID 3520 wrote to memory of 2228 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 66 PID 2228 wrote to memory of 4324 2228 cmd.exe 68 PID 2228 wrote to memory of 4324 2228 cmd.exe 68 PID 2228 wrote to memory of 4324 2228 cmd.exe 68 PID 2228 wrote to memory of 4972 2228 cmd.exe 69 PID 2228 wrote to memory of 4972 2228 cmd.exe 69 PID 2228 wrote to memory of 4972 2228 cmd.exe 69 PID 2228 wrote to memory of 2948 2228 cmd.exe 70 PID 2228 wrote to memory of 2948 2228 cmd.exe 70 PID 2228 wrote to memory of 2948 2228 cmd.exe 70 PID 3520 wrote to memory of 5080 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 71 PID 3520 wrote to memory of 5080 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 71 PID 3520 wrote to memory of 5080 3520 d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe 71 PID 5080 wrote to memory of 4788 5080 dllhost.exe 72 PID 5080 wrote to memory of 4788 5080 dllhost.exe 72 PID 5080 wrote to memory of 4788 5080 dllhost.exe 72 PID 5080 wrote to memory of 4472 5080 dllhost.exe 73 PID 5080 wrote to memory of 4472 5080 dllhost.exe 73 PID 5080 wrote to memory of 4472 5080 dllhost.exe 73 PID 5080 wrote to memory of 4576 5080 dllhost.exe 74 PID 5080 wrote to memory of 4576 5080 dllhost.exe 74 PID 5080 wrote to memory of 4576 5080 dllhost.exe 74 PID 5080 wrote to memory of 4836 5080 dllhost.exe 79 PID 5080 wrote to memory of 4836 5080 dllhost.exe 79 PID 5080 wrote to memory of 4836 5080 dllhost.exe 79 PID 5080 wrote to memory of 4676 5080 dllhost.exe 75 PID 5080 wrote to memory of 4676 5080 dllhost.exe 75 PID 5080 wrote to memory of 4676 5080 dllhost.exe 75 PID 5080 wrote to memory of 4628 5080 dllhost.exe 78 PID 5080 wrote to memory of 4628 5080 dllhost.exe 78 PID 5080 wrote to memory of 4628 5080 dllhost.exe 78 PID 5080 wrote to memory of 468 5080 dllhost.exe 76 PID 5080 wrote to memory of 468 5080 dllhost.exe 76 PID 5080 wrote to memory of 468 5080 dllhost.exe 76 PID 5080 wrote to memory of 680 5080 dllhost.exe 80 PID 5080 wrote to memory of 680 5080 dllhost.exe 80 PID 5080 wrote to memory of 680 5080 dllhost.exe 80 PID 5080 wrote to memory of 4448 5080 dllhost.exe 95 PID 5080 wrote to memory of 4448 5080 dllhost.exe 95 PID 5080 wrote to memory of 4448 5080 dllhost.exe 95 PID 5080 wrote to memory of 4424 5080 dllhost.exe 93 PID 5080 wrote to memory of 4424 5080 dllhost.exe 93 PID 5080 wrote to memory of 4424 5080 dllhost.exe 93 PID 5080 wrote to memory of 1328 5080 dllhost.exe 84 PID 5080 wrote to memory of 1328 5080 dllhost.exe 84 PID 5080 wrote to memory of 1328 5080 dllhost.exe 84 PID 5080 wrote to memory of 1668 5080 dllhost.exe 91 PID 5080 wrote to memory of 1668 5080 dllhost.exe 91 PID 5080 wrote to memory of 1668 5080 dllhost.exe 91 PID 4788 wrote to memory of 2720 4788 cmd.exe 96 PID 4788 wrote to memory of 2720 4788 cmd.exe 96 PID 4788 wrote to memory of 2720 4788 cmd.exe 96 PID 4576 wrote to memory of 2116 4576 cmd.exe 97 PID 4576 wrote to memory of 2116 4576 cmd.exe 97 PID 4576 wrote to memory of 2116 4576 cmd.exe 97 PID 1328 wrote to memory of 5004 1328 cmd.exe 98 PID 1328 wrote to memory of 5004 1328 cmd.exe 98 PID 1328 wrote to memory of 5004 1328 cmd.exe 98 PID 5080 wrote to memory of 4728 5080 dllhost.exe 99 PID 5080 wrote to memory of 4728 5080 dllhost.exe 99 PID 5080 wrote to memory of 4728 5080 dllhost.exe 99 PID 4728 wrote to memory of 4700 4728 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe"C:\Users\Admin\AppData\Local\Temp\d8aa340877029db39894ab14dc81b54603ce9819a62d3b46950a1a60526566e8.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:4324
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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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:2948
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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:5080 -
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:4788 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2720
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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:4472
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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:4576 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:2116
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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⤵PID:4676
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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:468
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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:4628
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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:4836
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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:680
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk807" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk807" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:5004
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk2144" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1668
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk7152" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4424
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk2240" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4448
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off3⤵
- Suspicious use of WriteProcessMemory
PID:4728 -
C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:4700
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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:1812
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:252
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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:200
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:2300
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
965KB
MD5dcc7357e395ab9782dfad31cd4e0e36f
SHA1d5184e53ed7b13b0275106f74221c7828c575594
SHA2565e6c874e6880d2dfe346ebb6c339f0e2fd5815f461a45197c22b499a87a68f7b
SHA5125f62a64d74cd46ef97358a307e8c24fed7cff69c879730f435e0fe01f7d13baa8d1f50e5e63ce486c4a805dbb02bd307ce2ca7874b9fb2ec3a1ec411bdaa8b74
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Filesize
965KB
MD5dcc7357e395ab9782dfad31cd4e0e36f
SHA1d5184e53ed7b13b0275106f74221c7828c575594
SHA2565e6c874e6880d2dfe346ebb6c339f0e2fd5815f461a45197c22b499a87a68f7b
SHA5125f62a64d74cd46ef97358a307e8c24fed7cff69c879730f435e0fe01f7d13baa8d1f50e5e63ce486c4a805dbb02bd307ce2ca7874b9fb2ec3a1ec411bdaa8b74
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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
MD5b09cbaf002cc9a741350b537bde062fd
SHA1dfd645ce9208e24155050148ccb0e2f05cd0c461
SHA256ba18ee9ca18130ce7617daf9b045e32694d0f8beb16cf573e8d0e41356f9098d
SHA51257e2b34a406e8d4dfa504b9fd54c901dbfdd9444c6c2498f38dfcb91feb9f31a4b9e2ff9675224c291d918fed53e711d3e18409de1122e83b894992c44d58888