Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 21:01
General
- Target 4ACDD868EF5A8C14CB4DB46EA9245265.exe
- Size 4.6MB
- Sample240731-ztvsrsshmq
- SHA256 ca4acdc7f7e2c2c2af54e94bdddb4ce94978c1e3c3fd3410ce6ca8e5aee827d0
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ACDD868EF5A8C14CB4DB46EA9245265.exe"C:\Users\Admin\AppData\Local\Temp\4ACDD868EF5A8C14CB4DB46EA9245265.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-TM35N.tmp\4ACDD868EF5A8C14CB4DB46EA9245265.tmp"C:\Users\Admin\AppData\Local\Temp\is-TM35N.tmp\4ACDD868EF5A8C14CB4DB46EA9245265.tmp" /SL5="$8006A,4535807,54272,C:\Users\Admin\AppData\Local\Temp\4ACDD868EF5A8C14CB4DB46EA9245265.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe"C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe"C:\Users\Admin\AppData\Local\Mobile Media Converter\mobilemediaconverter32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mobilemediaconverter32_64.exe
_iscrypt.dll
_isdecmp.dll
4ACDD868EF5A8C14CB4DB46EA9245265.tmp
memory/2332-91-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-78-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-115-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-112-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-108-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/2332-107-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/2332-106-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-66-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-103-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-100-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-69-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-72-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-75-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-97-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-81-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-84-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/2332-88-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2332-94-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2344-63-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2344-59-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2344-60-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/2344-58-0x0000000000400000-0x00000000007AC000-memory.dmp
memory/3216-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3216-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3216-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4756-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4756-68-0x0000000000400000-0x00000000004BA000-memory.dmp