Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
30/07/2026, 17:14
General
- Target bitcomet_setup.exe
- Size 2.9MB
- Sample260730-vsdqmscg55
- SHA256 7af143efd928a0ccc7164db0b852da61facc20d0c14224df9c8dc074c54e785c
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Checks for any installed AV software in registry 1 TTPs 6 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-UU1HZAJWAW.tmp\bitcomet_setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-UU1HZAJWAW.tmp\bitcomet_setup.tmp" /SL5="$7020C,1697709,940544,C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
zbShieldUtils.dll
bitcomet_setup.tmp
memory/1052-5-0x0000000001280000-0x0000000001281000-memory.dmp
memory/1052-14-0x0000000001280000-0x0000000001281000-memory.dmp
memory/1052-13-0x0000000000580000-0x00000000009CE000-memory.dmp
memory/1052-29-0x0000000005510000-0x0000000005650000-memory.dmp
memory/1052-30-0x0000000005510000-0x0000000005650000-memory.dmp
memory/1052-32-0x0000000000580000-0x00000000009CE000-memory.dmp
memory/1052-33-0x0000000005510000-0x0000000005650000-memory.dmp
memory/3540-0-0x00000000002D0000-0x00000000003C4000-memory.dmp
memory/3540-12-0x00000000002D0000-0x00000000003C4000-memory.dmp