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
10-10-2022 04:58
Static task
static1
Behavioral task
behavioral1
Sample
8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe
Resource
win10-20220812-en
General
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Target
8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe
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Size
733KB
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MD5
c84dc5f1338f3dbbf23d86cd3c8ec3eb
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SHA1
c485a65f26b74598985df56ec0a86e574e66d77c
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SHA256
8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89
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SHA512
e96f3595883be564cf488f5f33081b630dea0fa62c274c2b6a9e763285e7791560cf671ee803d9023d298e90cab809d7eac76d883bc24e7b8efa1057a4860428
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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 2084 dllhost.exe -
Adds Run key to start application 2 TTPs 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecurityHealthSystray = "C:\\Windows\\System32\\SecurityHealthSystray.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Program Files\\Windows Defender\\MpCmdRun.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cortana = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe\\Cortana.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\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-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftEdgeUpd = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveService = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\NvStray = "C:\\Program Files\\WindowsApps\\Microsoft.x64__8wekyb3gfdfdgd8bbwe/file.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "C:\\ProgramData\\Dllhost\\dllhost.exe" dllhost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "C:\\Windows\\System32\\wbem\\WmiPrvSE.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 4020 schtasks.exe 3720 schtasks.exe 784 schtasks.exe 3140 schtasks.exe 3792 schtasks.exe 656 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4764 powershell.exe 4764 powershell.exe 4764 powershell.exe 1964 powershell.exe 1964 powershell.exe 1964 powershell.exe 2644 powershell.exe 2644 powershell.exe 2644 powershell.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe 2084 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2084 dllhost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4324 wrote to memory of 3428 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 66 PID 4324 wrote to memory of 3428 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 66 PID 4324 wrote to memory of 3428 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 66 PID 3428 wrote to memory of 4716 3428 cmd.exe 68 PID 3428 wrote to memory of 4716 3428 cmd.exe 68 PID 3428 wrote to memory of 4716 3428 cmd.exe 68 PID 3428 wrote to memory of 4764 3428 cmd.exe 69 PID 3428 wrote to memory of 4764 3428 cmd.exe 69 PID 3428 wrote to memory of 4764 3428 cmd.exe 69 PID 3428 wrote to memory of 1964 3428 cmd.exe 70 PID 3428 wrote to memory of 1964 3428 cmd.exe 70 PID 3428 wrote to memory of 1964 3428 cmd.exe 70 PID 3428 wrote to memory of 2644 3428 cmd.exe 71 PID 3428 wrote to memory of 2644 3428 cmd.exe 71 PID 3428 wrote to memory of 2644 3428 cmd.exe 71 PID 4324 wrote to memory of 2084 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 72 PID 4324 wrote to memory of 2084 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 72 PID 4324 wrote to memory of 2084 4324 8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe 72 PID 2084 wrote to memory of 4028 2084 dllhost.exe 73 PID 2084 wrote to memory of 4028 2084 dllhost.exe 73 PID 2084 wrote to memory of 4028 2084 dllhost.exe 73 PID 2084 wrote to memory of 4032 2084 dllhost.exe 74 PID 2084 wrote to memory of 4032 2084 dllhost.exe 74 PID 2084 wrote to memory of 4032 2084 dllhost.exe 74 PID 2084 wrote to memory of 4916 2084 dllhost.exe 96 PID 2084 wrote to memory of 4916 2084 dllhost.exe 96 PID 2084 wrote to memory of 4916 2084 dllhost.exe 96 PID 2084 wrote to memory of 5016 2084 dllhost.exe 75 PID 2084 wrote to memory of 5016 2084 dllhost.exe 75 PID 2084 wrote to memory of 5016 2084 dllhost.exe 75 PID 2084 wrote to memory of 348 2084 dllhost.exe 76 PID 2084 wrote to memory of 348 2084 dllhost.exe 76 PID 2084 wrote to memory of 348 2084 dllhost.exe 76 PID 2084 wrote to memory of 3788 2084 dllhost.exe 95 PID 2084 wrote to memory of 3788 2084 dllhost.exe 95 PID 2084 wrote to memory of 3788 2084 dllhost.exe 95 PID 2084 wrote to memory of 4844 2084 dllhost.exe 78 PID 2084 wrote to memory of 4844 2084 dllhost.exe 78 PID 2084 wrote to memory of 4844 2084 dllhost.exe 78 PID 2084 wrote to memory of 4268 2084 dllhost.exe 79 PID 2084 wrote to memory of 4268 2084 dllhost.exe 79 PID 2084 wrote to memory of 4268 2084 dllhost.exe 79 PID 2084 wrote to memory of 2700 2084 dllhost.exe 80 PID 2084 wrote to memory of 2700 2084 dllhost.exe 80 PID 2084 wrote to memory of 2700 2084 dllhost.exe 80 PID 2084 wrote to memory of 1496 2084 dllhost.exe 91 PID 2084 wrote to memory of 1496 2084 dllhost.exe 91 PID 2084 wrote to memory of 1496 2084 dllhost.exe 91 PID 2084 wrote to memory of 4432 2084 dllhost.exe 82 PID 2084 wrote to memory of 4432 2084 dllhost.exe 82 PID 2084 wrote to memory of 4432 2084 dllhost.exe 82 PID 2084 wrote to memory of 4264 2084 dllhost.exe 83 PID 2084 wrote to memory of 4264 2084 dllhost.exe 83 PID 2084 wrote to memory of 4264 2084 dllhost.exe 83 PID 4028 wrote to memory of 3140 4028 cmd.exe 97 PID 4028 wrote to memory of 3140 4028 cmd.exe 97 PID 4028 wrote to memory of 3140 4028 cmd.exe 97 PID 4032 wrote to memory of 3792 4032 cmd.exe 98 PID 4032 wrote to memory of 3792 4032 cmd.exe 98 PID 4032 wrote to memory of 3792 4032 cmd.exe 98 PID 4432 wrote to memory of 3720 4432 cmd.exe 101 PID 4432 wrote to memory of 3720 4432 cmd.exe 101 PID 4432 wrote to memory of 3720 4432 cmd.exe 101 PID 4916 wrote to memory of 656 4916 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe"C:\Users\Admin\AppData\Local\Temp\8862ecffce28065cec682fbbc3253298d2f0743aab21ed53a26256b51ad59a89.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"2⤵
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Windows\SysWOW64\chcp.comchcp 12513⤵PID:4716
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4764
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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:1964
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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:2644
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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:2084 -
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:4028 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3140
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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:4032 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3792
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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:5016
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:4020
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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:348
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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:4844
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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:4268
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk907" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:2700
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk4143" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk4143" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:3720
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk4698" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:4264
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk1975" /TR "C:\ProgramData\Dllhost\dllhost.exe"3⤵PID:1496
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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:3788
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C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:784
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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:4916 -
C:\Windows\SysWOW64\schtasks.exeSCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"4⤵
- Creates scheduled task(s)
PID:656
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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:860
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:4772
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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:1664
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1828
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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:1816
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C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:2708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
964KB
MD51fd8d411d366065941e1991528fb1d62
SHA1e8f3d04710ea29e55758d62991ab076579392d4f
SHA256f8701a06f38304a69da94d1de179ae56c63655d76655d5031c14f92dc4b89b6f
SHA512700e8611a982a0bf6751edc745dcd6b5488d66a88889e41f984bca4570c6f09f5e906bf3d074ac9c7d5b6ce033cac3f6df67849d6c4dce93e5f14af531580ae7
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Filesize
964KB
MD51fd8d411d366065941e1991528fb1d62
SHA1e8f3d04710ea29e55758d62991ab076579392d4f
SHA256f8701a06f38304a69da94d1de179ae56c63655d76655d5031c14f92dc4b89b6f
SHA512700e8611a982a0bf6751edc745dcd6b5488d66a88889e41f984bca4570c6f09f5e906bf3d074ac9c7d5b6ce033cac3f6df67849d6c4dce93e5f14af531580ae7
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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
MD59d4ff3b413e7f8844d2f07cf21ec8702
SHA1b00e828cc0d8f709c9ccb34e004add19d44ddbb6
SHA256358f85d971293ff54d63fd53fc4705fa759dc121fef37d9dc0fc310ce8326161
SHA512903ffb6b9f59319d40645cfa5907326ba6ce6e2c80ca595e9902bb8e123e97837db307f5675ae57a4678b5e599c0c403d3449d6f54a7a312b4d4e29b8ccc04d0
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Filesize
18KB
MD5c5ae92d912ed4118bcc275963e9cc4a7
SHA1c61f5c7cfdc23574764423a4b045684d31dedcda
SHA2568309334cc5356bd8d6c3cd7769df761a442678ddb8e496ec29767a94bd4ad1d3
SHA5124c434d72e7e42d79b85a75cc2333fc97e2ba7301ed634bef247c25d8b51fc33c658cf666e8bd9d8e068b5ed0a7f8df4b679e2cc099b1b82a9aa89badd80f1bb6