Analysis
- max time kernel
180s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 13:04
Static task
static1
Behavioral task
behavioral1
Sample
e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe
- Size 1.4MB
- Sample220212-qa1egaedbq
- SHA256 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e
- MD5 825c19fd977de4306b878c7a45d891d5
- SHA1 6957152cf311bc31657ec312d7414a50a29807b1
- SHA512 1ece9193e347726e0cbb8e14d13b3f415d1e45482e0d2057c084e64807c8808817e8cec2440f3ff0fecc292b13dcc374e73051f71877d9d611bf277c19b4ee6d
- MD5 SHA1 SHA512
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0002000000021e19-138.dat acprotect - ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
resource yara_rule behavioral2/memory/412-130-0x0000000000D80000-0x0000000000EE6000-memory.dmp rezer0 -
resource yara_rule behavioral2/files/0x0002000000021e19-138.dat upx - Loads dropped DLL 1 IoCs
pid Process 676 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 57 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 412 set thread context of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 - 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 - 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 55 IoCs
description ioc Process 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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964" 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\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.110390" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006604" 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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 = "4072" 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\DownloadMonthlyRateBkCnt = "4" 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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337211" 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\SwarmCount = "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\Config\KVFileExpirationTime = "132893229484887911" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\UploadRatePct = "100" 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\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.374952" 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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0" 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\UploadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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\DownloadMonthlyGroupBytes = "0" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeDebugPrivilege 676 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe Token: SeBackupPrivilege 704 TiWorker.exe Token: SeRestorePrivilege 704 TiWorker.exe Token: SeSecurityPrivilege 704 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68 PID 412 wrote to memory of 676 412 e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe 68
Processes
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C:\Users\Admin\AppData\Local\Temp\e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe"C:\Users\Admin\AppData\Local\Temp\e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Users\Admin\AppData\Local\Temp\e45e5e69d5e8f56b910a01fdf953ab64ab824723f114b98dcacfc41b90c6b72e.exe"{path}"2⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:676
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3908
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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:2188
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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:704