Analysis
- max time kernel
298s - max time network
287s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
01/08/2024, 22:30
Behavioral task
behavioral1
Sample
0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe
Resource
win10-20240404-en
General
- Target 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe
- Size 4.6MB
- Sample240801-2ewgvszbkp
- SHA256 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2
- MD5 9f94ba372ce87a8ec90f0a43b6b9f7b6
- SHA1 19777ba5b1006b5906fdccecc079a4d239bed187
- SHA512 b11cfad7da0254554524862fdc00baa85ebf7e774fc0eb5e94ca70838dda2339231daef65e7cbce56283ca30888e9dd2239a205da1f0b11672aeedd442b5ff44
- SSDEEP 98304:MSyPy1mHB7Dt4i2bXcFTe24oFX/wJO4wHkUmRKlDfO15IZ0:MSCyUHVii2bXkT5Za5RKlDfO1qZ0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
risepro
-
194.110.13.70
-
147.45.47.169
Signatures
- PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerExpertNT.lnk 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Executes dropped EXE 1 IoCs
pid Process 764 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe -
resource yara_rule behavioral2/memory/4960-0-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-11-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-8-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-12-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-10-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-9-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/4960-13-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/files/0x000700000001ac24-19.dat themida behavioral2/files/0x000700000001ac27-31.dat themida behavioral2/memory/764-37-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/4960-35-0x00000000000F0000-0x0000000000EE3000-memory.dmp themida behavioral2/memory/764-40-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-38-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-42-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-43-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-41-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-39-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-50-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-62-0x0000000000910000-0x00000000013FA000-memory.dmp themida behavioral2/memory/764-74-0x0000000000910000-0x00000000013FA000-memory.dmp themida - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows\CurrentVersion\Run\ExtreamFanV5 = "C:\\Users\\Admin\\AppData\\Local\\ExtreamFanV5\\ExtreamFanV5.exe" 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 764 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - 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 320 schtasks.exe 1596 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 764 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 764 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4960 wrote to memory of 320 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 75 PID 4960 wrote to memory of 320 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 75 PID 4960 wrote to memory of 320 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 75 PID 4960 wrote to memory of 1596 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 77 PID 4960 wrote to memory of 1596 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 77 PID 4960 wrote to memory of 1596 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 77 PID 4960 wrote to memory of 764 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 79 PID 4960 wrote to memory of 764 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 79 PID 4960 wrote to memory of 764 4960 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe"C:\Users\Admin\AppData\Local\Temp\0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP HR" /sc HOURLY /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:320
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP LG" /sc ONLOGON /rl HIGHEST2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1596
-
-
C:\Users\Admin\AppData\Local\Temp\0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe"C:\Users\Admin\AppData\Local\Temp\0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:764
-
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
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Downloads
- Path C:\ProgramData\WinTrackerSP\WinTrackerSP.exe
- Size 4.6MB
- SHA256 0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2
- MD5 9f94ba372ce87a8ec90f0a43b6b9f7b6
- SHA1 19777ba5b1006b5906fdccecc079a4d239bed187
- SHA512 b11cfad7da0254554524862fdc00baa85ebf7e774fc0eb5e94ca70838dda2339231daef65e7cbce56283ca30888e9dd2239a205da1f0b11672aeedd442b5ff44
- SSDEEP 98304:MSyPy1mHB7Dt4i2bXcFTe24oFX/wJO4wHkUmRKlDfO15IZ0:MSCyUHVii2bXkT5Za5RKlDfO1qZ0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\0203d873e829973442286495a39d5f214af944f8298784a2273e7181e3b281d2.exe
- Size 3.4MB
- SHA256 fdf378efa5749387f813c8a3de2d1e964a9eda5a509cf5c4996980d7af5badef
- MD5 08babe47a702361d04e2ada7c02b00cd
- SHA1 f2b3d863dfd2046acda704948c5f1402abefe66c
- SHA512 f5af9a0fdd9c44c8d18435348942d0138fb34875d1038f15623fbdbebe95d5f87485d8c31abbcacf939f198091adcf70b180a3388154afebec67bd5e1b50ff5f
- SSDEEP 49152:6tKSwRhZ2eDztBs9LE1zsvDc3aRtT/coRAmpsMQHBaGxx9EfaaIPl9PVnZbZWhzc:xR1W9ozScacvdx/aIXPVnZCKwrb+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PowerExpertNT.lnk
- Size 1KB
- SHA256 17b847266c1344de97dd780de366deaec351904b75ce8ab44c403e394a37522c
- MD5 93ca7cec2a6fa05984a66e2ec9a60e29
- SHA1 fc4bc05af589bff41be86f61bd6a55841ba446ca
- SHA512 ec4ee96ea21c679d5f58a0b9806be1214b755e81317e6bbd41fbd1bdd6015b8503baf7c7d8187cc67edb408203a39c7c138fdebc9de288d1b33311531bd639fe
- MD5 SHA1 SHA512