Analysis
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max time kernel
131s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2022 12:51
Behavioral task
behavioral1
Sample
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
Resource
win7-20220718-en
General
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Target
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe
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Size
5.9MB
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MD5
c313d53fa46232eda3ae3110405208c5
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SHA1
e08b27c7dce34a572c457beee171018fab002298
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SHA256
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7
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SHA512
6cc0549098e2407263b1eb1d2725e6df2a30b371453c5a72ab35ebb9dfaba5cf7f73fa29f3925fb613cceaf4f2feaf3e6080c7a0969f15c1876f4d3486959da8
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe -
Loads dropped DLL 3 IoCs
Processes:
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exepid process 4384 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe 4384 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe 4384 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe -
Processes:
resource yara_rule behavioral2/memory/4384-130-0x0000000000400000-0x0000000000A45000-memory.dmp themida behavioral2/memory/4384-131-0x0000000000400000-0x0000000000A45000-memory.dmp themida behavioral2/memory/4384-132-0x0000000000400000-0x0000000000A45000-memory.dmp themida behavioral2/memory/4384-137-0x0000000000400000-0x0000000000A45000-memory.dmp themida behavioral2/memory/4384-138-0x0000000000400000-0x0000000000A45000-memory.dmp themida -
Processes:
6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
Processes
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C:\Users\Admin\AppData\Local\Temp\6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe"C:\Users\Admin\AppData\Local\Temp\6c98b5bffd2f5ce6e666272ac4a71fe885b931f49ea46aa2bad7370178967fe7.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nsw8B7D.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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C:\Users\Admin\AppData\Local\Temp\nsw8B7D.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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C:\Users\Admin\AppData\Local\Temp\nsw8B7D.tmp\xml.dllFilesize
1.3MB
MD573e05003c89a219bd3b5333bff53f38a
SHA1ce0703c5194faac071284967af3285631f506bef
SHA256c963bf29d5272a4bf42c44335cac1ff5bb6608c4cecc5b40fafa8f21d8702622
SHA512f8ff8d5ccaf116e7d91a9629f87130bf4118154f6399a74b443fd6c95b7b6695c483245b1a81f97b8b662513e4433bd6c7f74826f77958d32fd8dcaf92f9d8ab
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memory/4384-130-0x0000000000400000-0x0000000000A45000-memory.dmpFilesize
6.3MB
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memory/4384-131-0x0000000000400000-0x0000000000A45000-memory.dmpFilesize
6.3MB
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memory/4384-132-0x0000000000400000-0x0000000000A45000-memory.dmpFilesize
6.3MB
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memory/4384-136-0x0000000003B01000-0x0000000003B05000-memory.dmpFilesize
16KB
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memory/4384-137-0x0000000000400000-0x0000000000A45000-memory.dmpFilesize
6.3MB
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memory/4384-138-0x0000000000400000-0x0000000000A45000-memory.dmpFilesize
6.3MB