Analysis
- max time kernel
172s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 10:51
Static task
static1
Behavioral task
behavioral1
Sample
6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe
- Size 12.0MB
- Sample220212-mxtnnabde6
- SHA256 6013c0ccf38e7be9221db0bc51597cd034cc07ca5c8ca1d0bc16d7b665700512
- MD5 67d360f085a70761ca63b18f366bd78d
- SHA1 cba43ef617c99c0935a9c4c2763980f4fc55d3b8
- SHA512 96096d9df296673df74489dfff6d46c873f74e97148bde015148daf9af4cacee18a306a5610f08a27a81d2315e31141441c09bce554865381073d42518b2664c
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 3628 Discord.exe 3448 FlameCrack.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 3628 Discord.exe 3628 Discord.exe 3628 Discord.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe - Modifies data under HKEY_USERS 49 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893131512712843" svchost.exe 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" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125046" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.886819" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.597373" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe 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" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe Token: SeRestorePrivilege 1964 TiWorker.exe Token: SeSecurityPrivilege 1964 TiWorker.exe Token: SeBackupPrivilege 1964 TiWorker.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3628 Discord.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2032 wrote to memory of 3628 2032 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe 72 PID 2032 wrote to memory of 3628 2032 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe 72 PID 2032 wrote to memory of 3628 2032 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe 72 PID 3628 wrote to memory of 1388 3628 Discord.exe 74 PID 3628 wrote to memory of 1388 3628 Discord.exe 74 PID 3628 wrote to memory of 1388 3628 Discord.exe 74 PID 2032 wrote to memory of 3448 2032 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe 75 PID 2032 wrote to memory of 3448 2032 6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe 75 PID 1388 wrote to memory of 1748 1388 fondue.exe 76 PID 1388 wrote to memory of 1748 1388 fondue.exe 76
Processes
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1280
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C:\Users\Admin\AppData\Local\Temp\6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe"C:\Users\Admin\AppData\Local\Temp\6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Discord.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Discord.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\fondue.exe"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll3⤵
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\system32\FonDUE.EXE"C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll4⤵PID:1748
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\FlameCrack.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\FlameCrack.exe"2⤵
- Executes dropped EXE
PID:3448
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3568
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1964