Analysis
- max time kernel
44s - max time network
49s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
14/10/2022, 18:51
General
- Target file.exe
- Size 2.4MB
- Sample221014-xhgewsebb5
- SHA256 83303bd8432e42ddbc86aa5f2fba7b07ded48ef47ec39d42f62b410081b14090
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 12 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NPK5S.tmp\is-HHCM0.tmp"C:\Users\Admin\AppData\Local\Temp\is-NPK5S.tmp\is-HHCM0.tmp" /SL4 $A0122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 2301973 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\dxSearcher\dxsearcher48.exe"C:\Program Files (x86)\dxSearcher\dxsearcher48.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
dxsearcher48.exe
is-HHCM0.tmp
is-HHCM0.tmp
dxsearcher48.exe
_iscrypt.dll
_shfoldr.dll
_shfoldr.dll
is-HHCM0.tmp
memory/584-71-0x0000000000400000-0x00000000015F9000-memory.dmp
memory/584-72-0x0000000000400000-0x00000000015F9000-memory.dmp
memory/1416-70-0x0000000003230000-0x0000000004429000-memory.dmp
memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
memory/1492-65-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-55-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-73-0x0000000000400000-0x0000000000414000-memory.dmp