Analysis
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max time kernel
55s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 12:50
Behavioral task
behavioral1
Sample
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe
Resource
win7-20220718-en
General
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Target
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe
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Size
5.9MB
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MD5
cfc12312e1e6b7e6cb2233edd2e2b157
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SHA1
b1cdda4c80c4a0e132d62d33e53ab092b00b6efd
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SHA256
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d
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SHA512
5bc0a02e6bd54beaad09d7a917f84f8cc30ba7785b6f2a35e8b5f230703e286ab006b41b9121f30ee84327878b2802f9ddb9ec0322808044bc04a768b722f912
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe -
Loads dropped DLL 2 IoCs
Processes:
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exepid process 1116 cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe 1116 cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe -
Processes:
resource yara_rule behavioral1/memory/1116-55-0x0000000000400000-0x0000000000A43000-memory.dmp themida behavioral1/memory/1116-56-0x0000000000400000-0x0000000000A43000-memory.dmp themida behavioral1/memory/1116-57-0x0000000000400000-0x0000000000A43000-memory.dmp themida behavioral1/memory/1116-60-0x0000000000400000-0x0000000000A43000-memory.dmp themida behavioral1/memory/1116-61-0x0000000000400000-0x0000000000A43000-memory.dmp themida -
Processes:
cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.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\cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.exe"C:\Users\Admin\AppData\Local\Temp\cb691234a2b71c78e2b8dc385a3a619cedc01cbec7c4eddef5c93ce9261bf50d.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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\Users\Admin\AppData\Local\Temp\nsj36BC.tmp\INetC.dllFilesize
25KB
MD540d7eca32b2f4d29db98715dd45bfac5
SHA1124df3f617f562e46095776454e1c0c7bb791cc7
SHA25685e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
SHA5125fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d
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\Users\Admin\AppData\Local\Temp\nsj36BC.tmp\xml.dllFilesize
1.3MB
MD51dca72088c0b40d96e1689cbcb32693b
SHA19ddcb2cce2887ed53d4041ca4a9b27e6c5a91382
SHA256aa2f7f66c00b1e8c6a0bba10ceaa9c0711befcb37f3cd8d5eb88f5d1a9cdb386
SHA5128e6721848681472b125a68955bfd01b84a1089ab6025969b95b142fcfac9760d3e7f9467387e2853457ed6c28f4f1ee31016b949b4e87d7d3ea532180b678d9b
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memory/1116-54-0x0000000075731000-0x0000000075733000-memory.dmpFilesize
8KB
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memory/1116-55-0x0000000000400000-0x0000000000A43000-memory.dmpFilesize
6.3MB
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memory/1116-56-0x0000000000400000-0x0000000000A43000-memory.dmpFilesize
6.3MB
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memory/1116-57-0x0000000000400000-0x0000000000A43000-memory.dmpFilesize
6.3MB
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memory/1116-60-0x0000000000400000-0x0000000000A43000-memory.dmpFilesize
6.3MB
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memory/1116-61-0x0000000000400000-0x0000000000A43000-memory.dmpFilesize
6.3MB