Analysis
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max time kernel
154s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
05-02-2022 15:26
Static task
static1
Behavioral task
behavioral1
Sample
58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe
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Size
305KB
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MD5
f3bb82503577a06717fec42e054e9eea
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SHA1
340a20bcc520d09ec3d75d4c0956d308e70ce1be
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SHA256
58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453
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SHA512
2ad8fbbf3fef6e225fc8ba9d66472045b05ded0f64a79e5a1b226661bbc1f94952cc713216ffc21a9baf5c6e6bde46cecdf2eef228b99444a451127319c04b1f
Malware Config
Signatures
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ParallaxRat payload 1 IoCs
Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.
resource yara_rule behavioral2/memory/3064-150-0x0000000000400000-0x0000000000424000-memory.dmp parallax_rat -
Executes dropped EXE 1 IoCs
pid Process 1160 stickers.exe -
Loads dropped DLL 1 IoCs
pid Process 1160 stickers.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 47 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" 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\DownloadMonthlyLanBytes = "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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" 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\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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" 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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\MemoryUsageKB = "4120" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\DownloadMonthlyCdnBytes = "0" 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\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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 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\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\DownloadMonthlyGroupBytes = "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 = "132887248208665578" 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\DownloadMonthlyCacheHostBytes = "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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.381036" 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\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1160 stickers.exe 1160 stickers.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1160 stickers.exe 1160 stickers.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3564 wrote to memory of 1160 3564 58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe 66 PID 3564 wrote to memory of 1160 3564 58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe 66 PID 3564 wrote to memory of 1160 3564 58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe 66 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 2676 1160 stickers.exe 67 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68 PID 1160 wrote to memory of 3064 1160 stickers.exe 68
Processes
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C:\Users\Admin\AppData\Local\Temp\58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe"C:\Users\Admin\AppData\Local\Temp\58771cc09ce9d567219c04810586c153995aa51e139a9ced561824a1e16df453.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\stickers.exeC:\Users\Admin\AppData\Local\Temp\stickers.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵PID:2676
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵PID:3064
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3300
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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:3692