Analysis Overview
SHA256
6fae483946b9dc71f99282194f9d91b43b5fa1e279be3915f41cda094d28f524
Threat Level: Known bad
The file 6fae483946b9dc71f99282194f9d91b43b5fa1e279be3915f41cda094d28f524 was found to be: Known bad.
Malicious Activity Summary
HawkEye Reborn
M00nd3v_Logger
M00nD3v Logger Payload
NirSoft WebBrowserPassView
Nirsoft
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-05 14:29
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-05 14:29
Reported
2022-02-05 14:32
Platform
win7-en-20211208
Max time kernel
158s
Max time network
164s
Command Line
Signatures
HawkEye Reborn
M00nd3v_Logger
M00nD3v Logger Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2032 set thread context of 1120 | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe |
| PID 1120 set thread context of 1936 | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe
"C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fnqjKoK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8526.tmp"
C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmp76F.tmp"
Network
Files
memory/2032-55-0x00000000763F1000-0x00000000763F3000-memory.dmp
memory/2032-56-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/2032-57-0x0000000000C21000-0x0000000000C22000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8526.tmp
| MD5 | 2d749d13a9fe8379095e985a2c38953d |
| SHA1 | 99bce2cdfc36ebd2170d07cd06a03a1815f01733 |
| SHA256 | e86f4540f7d6470c6eb65e1a875faf3bdd0dcccec788586f4c95fe25745db34d |
| SHA512 | d67b53fb17035fb7c62b000fc141188ce3c68568a60ca0dc2ee782c23c1d53d9bf90d4ae13979afd3c3c98261987023668013f1e000a7b89720f22e1c1f02260 |
memory/1120-59-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1120-60-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1120-61-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1120-62-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1120-63-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1120-65-0x0000000002390000-0x0000000002391000-memory.dmp
memory/1936-66-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-67-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-68-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-69-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-70-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-71-0x0000000000400000-0x000000000045B000-memory.dmp
memory/1936-73-0x0000000000400000-0x000000000045B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-02-05 14:29
Reported
2022-02-05 14:32
Platform
win10v2004-en-20220112
Max time kernel
156s
Max time network
140s
Command Line
Signatures
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Logs\CBS\CBS.log | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| File opened for modification | C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat | C:\Windows\System32\svchost.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\MusNotifyIcon.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\MusNotifyIcon.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555172" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" | C:\Windows\System32\svchost.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132887214573029372" | C:\Windows\System32\svchost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" | C:\Windows\System32\svchost.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeSecurityPrivilege | N/A | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3264 wrote to memory of 3816 | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3264 wrote to memory of 3816 | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3264 wrote to memory of 3816 | N/A | C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe | C:\Windows\SysWOW64\fondue.exe |
| PID 3816 wrote to memory of 1168 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
| PID 3816 wrote to memory of 1168 | N/A | C:\Windows\SysWOW64\fondue.exe | C:\Windows\system32\FonDUE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe
"C:\Users\Admin\AppData\Local\Temp\Contract Offer.exe"
C:\Windows\SysWOW64\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
C:\Windows\system32\FonDUE.EXE
"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.140:80 | tcp | |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.17.97:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | settings-win.data.microsoft.com | udp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | geo.prod.do.dsp.mp.microsoft.com | udp |
| US | 52.184.213.187:443 | geo.prod.do.dsp.mp.microsoft.com | tcp |
| US | 8.8.8.8:53 | kv801.prod.do.dsp.mp.microsoft.com | udp |
| NL | 184.29.205.60:443 | kv801.prod.do.dsp.mp.microsoft.com | tcp |
| US | 52.167.249.196:443 | settings-win.data.microsoft.com | tcp |