Analysis
- max time kernel
142s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
03/01/2023, 03:39
General
- Target 5ae898a651958635ba2421be761e8a725fb0165fd0374c03bf694014ef4c7db0.exe
- Size 1.8MB
- Sample230103-d7w24ach2w
- SHA256 5ae898a651958635ba2421be761e8a725fb0165fd0374c03bf694014ef4c7db0
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 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 17 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ae898a651958635ba2421be761e8a725fb0165fd0374c03bf694014ef4c7db0.exe"C:\Users\Admin\AppData\Local\Temp\5ae898a651958635ba2421be761e8a725fb0165fd0374c03bf694014ef4c7db0.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QU1EI.tmp\is-7FAQO.tmp"C:\Users\Admin\AppData\Local\Temp\is-QU1EI.tmp\is-7FAQO.tmp" /SL4 $B0052 "C:\Users\Admin\AppData\Local\Temp\5ae898a651958635ba2421be761e8a725fb0165fd0374c03bf694014ef4c7db0.exe" 1617419 931842⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Split Files\SplitFiles128.exe"C:\Program Files (x86)\Split Files\SplitFiles128.exe"3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
SplitFiles128.exe
SplitFiles128.exe
_iscrypt.dll
is-7FAQO.tmp
is-7FAQO.tmp
memory/2260-142-0x0000000000400000-0x0000000001552000-memory.dmp
memory/2260-144-0x0000000000400000-0x0000000001552000-memory.dmp
memory/4056-132-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4056-134-0x0000000000400000-0x000000000041D000-memory.dmp
memory/4056-143-0x0000000000400000-0x000000000041D000-memory.dmp