Analysis
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max time kernel
95s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
28-05-2022 03:45
Static task
static1
Behavioral task
behavioral1
Sample
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe
Resource
win10v2004-20220414-en
General
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Target
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe
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Size
144KB
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MD5
d81298735dcfdc5ed532cde4fdcf3c9c
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SHA1
3b9478cf8b620ca828161b1bdac8c04e35955e52
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SHA256
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e
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SHA512
e11304c188e4c3c22faf5a3e713a75bde17309e4ff49804134518edb6215ca99e2c9ac0d234c8fd73510b335c82538a0fb73763dba068eb926387894c380a7a3
Malware Config
Extracted
metasploit
encoder/fnstenv_mov
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe -
Drops file in System32 directory 2 IoCs
Processes:
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exedescription ioc process File created C:\Windows\SysWOW64\dllcache\Rtsecar.exe 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe File opened for modification C:\Windows\SysWOW64\dllcache\Rtsecar.exe 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 3 IoCs
Processes:
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exedescription pid process target process PID 408 wrote to memory of 4352 408 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe cmd.exe PID 408 wrote to memory of 4352 408 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe cmd.exe PID 408 wrote to memory of 4352 408 0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe"C:\Users\Admin\AppData\Local\Temp\0297a2bc918f8a927ac4be3ec6b26c63faa0de8351220dd9a1cb1bfc7227602e.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0297A2~1.EXE >> NUL2⤵