Analysis
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max time kernel
291s -
max time network
300s -
platform
windows10-1703_x64 -
resource
win10-20240611-en -
resource tags
arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system -
submitted
04-07-2024 22:38
Behavioral task
behavioral1
Sample
6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe
Resource
win10-20240611-en
General
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Target
6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe
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Size
3.7MB
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MD5
2ab891d9c6b24c5462e32a0bab3d1fec
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SHA1
4dbb387d2fce2b47ff3699468590466505ba7554
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SHA256
6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86
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SHA512
0317a30e9e70d0ac8416f14a91119504fc40e9a72ee34d358741ebf820367abb3b18e2c64987f6d86d3c4a8952621aebeca83fa027d66edb456c749e56d42d89
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SSDEEP
98304:rm3o0QMznQ6mUOAj4H0KikjBY5fgq/crZN:GmMzQ6eAj4HbjBOIkS
Malware Config
Extracted
risepro
77.105.133.27
Signatures
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerExpertNT.lnk 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
resource yara_rule behavioral2/memory/1420-0-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-8-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-9-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-10-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-11-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-14-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-13-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-12-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/files/0x000700000001aad3-20.dat themida behavioral2/memory/1420-22-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-37-0x0000000000F90000-0x000000000191F000-memory.dmp themida behavioral2/memory/1420-50-0x0000000000F90000-0x000000000191F000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Windows\CurrentVersion\Run\ExtreamFanV5 = "C:\\Users\\Admin\\AppData\\Local\\ExtreamFanV5\\ExtreamFanV5.exe" 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5000 schtasks.exe 4428 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1420 wrote to memory of 5000 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 70 PID 1420 wrote to memory of 5000 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 70 PID 1420 wrote to memory of 5000 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 70 PID 1420 wrote to memory of 4428 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 72 PID 1420 wrote to memory of 4428 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 72 PID 1420 wrote to memory of 4428 1420 6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe"C:\Users\Admin\AppData\Local\Temp\6ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP HR" /sc HOURLY /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
PID:5000
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP LG" /sc ONLOGON /rl HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
PID:4428
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.7MB
MD52ab891d9c6b24c5462e32a0bab3d1fec
SHA14dbb387d2fce2b47ff3699468590466505ba7554
SHA2566ffd157eb781504eadd72996c2cdbd4881034ffb7f7d2bc4b96d4daa61fb4d86
SHA5120317a30e9e70d0ac8416f14a91119504fc40e9a72ee34d358741ebf820367abb3b18e2c64987f6d86d3c4a8952621aebeca83fa027d66edb456c749e56d42d89