Analysis
- max time kernel
141s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
26/08/2024, 01:28
General
- Target f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.exe
- Size 3.3MB
- Sample240826-bvwjpaxcmf
- SHA256 f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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\f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.exe"C:\Users\Admin\AppData\Local\Temp\f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6EDC6.tmp\f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.tmp"C:\Users\Admin\AppData\Local\Temp\is-6EDC6.tmp\f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.tmp" /SL5="$4017E,3154722,54272,C:\Users\Admin\AppData\Local\Temp\f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Media Player Red Edition\mediaplayerRE32_64.exe"C:\Users\Admin\AppData\Local\Media Player Red Edition\mediaplayerRE32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Media Player Red Edition\mediaplayerRE32_64.exe"C:\Users\Admin\AppData\Local\Media Player Red Edition\mediaplayerRE32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
mediaplayerRE32_64.exe
f0ef5af83238e7388f455bcf3450d41139f7af88bcead9fb5f4de9bef1db493f.tmp
_iscrypt.dll
memory/1152-53-0x0000000000400000-0x0000000000682000-memory.dmp
memory/1152-57-0x0000000000400000-0x0000000000682000-memory.dmp
memory/1152-55-0x0000000000400000-0x0000000000682000-memory.dmp
memory/1152-51-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-65-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-77-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-111-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-60-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-108-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-104-0x0000000000800000-0x00000000008A2000-memory.dmp
memory/2060-64-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-103-0x0000000000800000-0x00000000008A2000-memory.dmp
memory/2060-68-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-71-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-74-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-102-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-80-0x0000000000800000-0x00000000008A2000-memory.dmp
memory/2060-82-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-87-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-90-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-93-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-96-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2060-99-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2388-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2388-61-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4412-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4412-62-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4412-2-0x0000000000401000-0x000000000040B000-memory.dmp