Analysis
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max time kernel
201s -
max time network
249s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 02:21
Static task
static1
Behavioral task
behavioral1
Sample
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe
Resource
win7-20220414-en
General
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Target
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe
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Size
2.5MB
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MD5
76195dea24952425594e7db7239ce0aa
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SHA1
b9791aef3c83751b937f2b60fda094cecb8954a8
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SHA256
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa
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SHA512
0cdce90ccffcd69dcf5cc1ff8f0ecfc55f16227b2f6e1141f80c5dfe4dddec71db097755d47715cc59ea4f10ef5c72598eef252f87e923adbac212a27bd90727
Malware Config
Extracted
buer
http://burload01.top/
http://burload02.top/
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
errorResponder.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\ErrorResponder\\errorResponder.exe\"" errorResponder.exe -
Processes:
resource yara_rule behavioral2/memory/4024-130-0x000000003F150000-0x000000003F7DB000-memory.dmp buer behavioral2/memory/4024-131-0x000000003F150000-0x000000003F7DB000-memory.dmp buer behavioral2/memory/4024-132-0x000000003F150000-0x000000003F7DB000-memory.dmp buer behavioral2/memory/4024-133-0x000000003F150000-0x000000003F7DB000-memory.dmp buer behavioral2/memory/4024-135-0x000000003F150000-0x000000003F7DB000-memory.dmp buer behavioral2/memory/2124-141-0x000000003F920000-0x000000003FFAB000-memory.dmp buer behavioral2/memory/2124-140-0x000000003F920000-0x000000003FFAB000-memory.dmp buer behavioral2/memory/2124-142-0x000000003F920000-0x000000003FFAB000-memory.dmp buer behavioral2/memory/2124-143-0x000000003F920000-0x000000003FFAB000-memory.dmp buer behavioral2/memory/2124-146-0x000000003F920000-0x000000003FFAB000-memory.dmp buer -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exeerrorResponder.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ errorResponder.exe -
Executes dropped EXE 1 IoCs
Processes:
errorResponder.exepid process 2124 errorResponder.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exeerrorResponder.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion errorResponder.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion errorResponder.exe -
Processes:
resource yara_rule behavioral2/memory/4024-130-0x000000003F150000-0x000000003F7DB000-memory.dmp themida behavioral2/memory/4024-131-0x000000003F150000-0x000000003F7DB000-memory.dmp themida behavioral2/memory/4024-132-0x000000003F150000-0x000000003F7DB000-memory.dmp themida behavioral2/memory/4024-133-0x000000003F150000-0x000000003F7DB000-memory.dmp themida behavioral2/memory/4024-135-0x000000003F150000-0x000000003F7DB000-memory.dmp themida C:\ProgramData\ErrorResponder\errorResponder.exe themida C:\ProgramData\ErrorResponder\errorResponder.exe themida behavioral2/memory/2124-141-0x000000003F920000-0x000000003FFAB000-memory.dmp themida behavioral2/memory/2124-140-0x000000003F920000-0x000000003FFAB000-memory.dmp themida behavioral2/memory/2124-142-0x000000003F920000-0x000000003FFAB000-memory.dmp themida behavioral2/memory/2124-143-0x000000003F920000-0x000000003FFAB000-memory.dmp themida behavioral2/memory/2124-146-0x000000003F920000-0x000000003FFAB000-memory.dmp themida -
Processes:
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exeerrorResponder.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA errorResponder.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exeerrorResponder.exepid process 4024 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe 2124 errorResponder.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exeerrorResponder.exedescription pid process target process PID 4024 wrote to memory of 2124 4024 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe errorResponder.exe PID 4024 wrote to memory of 2124 4024 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe errorResponder.exe PID 4024 wrote to memory of 2124 4024 80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe errorResponder.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe PID 2124 wrote to memory of 4780 2124 errorResponder.exe secinit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe"C:\Users\Admin\AppData\Local\Temp\80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\ProgramData\ErrorResponder\errorResponder.exeC:\ProgramData\ErrorResponder\errorResponder.exe "C:\Users\Admin\AppData\Local\Temp\80e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa.exe" ensgJJ2⤵
- Modifies WinLogon for persistence
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\ProgramData\ErrorResponder\errorResponder.exe3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\ErrorResponder\errorResponder.exeFilesize
2.5MB
MD576195dea24952425594e7db7239ce0aa
SHA1b9791aef3c83751b937f2b60fda094cecb8954a8
SHA25680e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa
SHA5120cdce90ccffcd69dcf5cc1ff8f0ecfc55f16227b2f6e1141f80c5dfe4dddec71db097755d47715cc59ea4f10ef5c72598eef252f87e923adbac212a27bd90727
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C:\ProgramData\ErrorResponder\errorResponder.exeFilesize
2.5MB
MD576195dea24952425594e7db7239ce0aa
SHA1b9791aef3c83751b937f2b60fda094cecb8954a8
SHA25680e35297452f56d53068cfaa87d95cbb9af7f5a44c9db7b0a84f4a8ff83ebdaa
SHA5120cdce90ccffcd69dcf5cc1ff8f0ecfc55f16227b2f6e1141f80c5dfe4dddec71db097755d47715cc59ea4f10ef5c72598eef252f87e923adbac212a27bd90727
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memory/2124-142-0x000000003F920000-0x000000003FFAB000-memory.dmpFilesize
6.5MB
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memory/2124-140-0x000000003F920000-0x000000003FFAB000-memory.dmpFilesize
6.5MB
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memory/2124-147-0x0000000076F60000-0x0000000077103000-memory.dmpFilesize
1.6MB
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memory/2124-146-0x000000003F920000-0x000000003FFAB000-memory.dmpFilesize
6.5MB
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memory/2124-144-0x0000000076F60000-0x0000000077103000-memory.dmpFilesize
1.6MB
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memory/2124-137-0x0000000000000000-mapping.dmp
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memory/2124-143-0x000000003F920000-0x000000003FFAB000-memory.dmpFilesize
6.5MB
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memory/2124-141-0x000000003F920000-0x000000003FFAB000-memory.dmpFilesize
6.5MB
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memory/4024-131-0x000000003F150000-0x000000003F7DB000-memory.dmpFilesize
6.5MB
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memory/4024-133-0x000000003F150000-0x000000003F7DB000-memory.dmpFilesize
6.5MB
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memory/4024-130-0x000000003F150000-0x000000003F7DB000-memory.dmpFilesize
6.5MB
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memory/4024-132-0x000000003F150000-0x000000003F7DB000-memory.dmpFilesize
6.5MB
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memory/4024-136-0x0000000076F60000-0x0000000077103000-memory.dmpFilesize
1.6MB
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memory/4024-145-0x0000000076F60000-0x0000000077103000-memory.dmpFilesize
1.6MB
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memory/4024-135-0x000000003F150000-0x000000003F7DB000-memory.dmpFilesize
6.5MB
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memory/4024-134-0x0000000076F60000-0x0000000077103000-memory.dmpFilesize
1.6MB
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memory/4780-148-0x0000000000000000-mapping.dmp