Analysis
-
max time kernel
177s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 04:51
Static task
static1
Behavioral task
behavioral1
Sample
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe
Resource
win10v2004-en-20220112
General
-
Target
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe
-
Size
2.8MB
-
MD5
61bd5c27bfe4ae8f52f2f348deeca0a3
-
SHA1
d6b9ffe1cb7779de46713fa3fcaa193d3310546d
-
SHA256
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061
-
SHA512
4a1dc70442d105a6406bebab08e24eb06a98f912ef4f074467f5266f2a6bd164bc0aba9aa527394aef50e783c50399d08854f48bd652cd458ffd16a914a613b1
Malware Config
Signatures
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1944-135-0x0000000000BF0000-0x0000000001340000-memory.dmp family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
-
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe -
Processes:
resource yara_rule behavioral2/memory/1944-135-0x0000000000BF0000-0x0000000001340000-memory.dmp themida -
Processes:
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exepid process 1944 f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription 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
Processes:
svchost.exedescription ioc process 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\DownlinkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\Usage\SwarmCount = "1" 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\UploadRatePct = "100" 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\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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895508202260084" 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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.285856" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\DownloadMonthlyRateBkCnt = "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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.794554" 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\CDNConnectionCount = "0" 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\PeerInfoCount = "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\DownlinkUsageBps = "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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "0" 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 = "4104" svchost.exe 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization 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\DownloadMonthlyCacheHostBytes = "0" 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\UploadMonthlyLanBytes = "0" 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\UplinkUsageBps = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exepid process 1944 f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe 1944 f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe Token: SeRestorePrivilege 1104 TiWorker.exe Token: SeSecurityPrivilege 1104 TiWorker.exe Token: SeBackupPrivilege 1104 TiWorker.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe"C:\Users\Admin\AppData\Local\Temp\f11105bd88fa1f8ba957ab282e50ed2379b0a34ca168527908fe38fe2da37061.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
-
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1944-130-0x0000000075820000-0x0000000075821000-memory.dmpFilesize
4KB
-
memory/1944-131-0x00000000776A4000-0x00000000776A6000-memory.dmpFilesize
8KB
-
memory/1944-134-0x0000000074C3E000-0x0000000074C3F000-memory.dmpFilesize
4KB
-
memory/1944-135-0x0000000000BF0000-0x0000000001340000-memory.dmpFilesize
7.3MB
-
memory/1944-136-0x00000000067F0000-0x0000000006E08000-memory.dmpFilesize
6.1MB
-
memory/1944-137-0x00000000060F0000-0x0000000006102000-memory.dmpFilesize
72KB
-
memory/1944-138-0x00000000062E0000-0x00000000063EA000-memory.dmpFilesize
1.0MB
-
memory/1944-139-0x00000000061C0000-0x00000000061C1000-memory.dmpFilesize
4KB
-
memory/1944-140-0x0000000006150000-0x000000000618C000-memory.dmpFilesize
240KB