Analysis
- max time kernel
150s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
23/09/2026, 20:26
General
- Target 2026-09-23_9b4afcfddd293b6b0c799f3ea19c025b_amadey_coinminer_elex_floxif_remcos_smoke-loader_stop.exe
- Size 1.5MB
- Sample260923-y79cmscb84
- SHA256 f116e43bcd4ee1e7e7df776882328eb674ba07cb7aa26fc59186fbb4ece1933e
Malware Config
Signatures
- Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
- Detects Floxif payload 1 IoCs
- UPX dump on OEP (original entry point) 11 IoCs
- Downloads MZ/PE file 1 IoCs
- Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 8 IoCs
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-23_9b4afcfddd293b6b0c799f3ea19c025b_amadey_coinminer_elex_floxif_remcos_smoke-loader_stop.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-23_9b4afcfddd293b6b0c799f3ea19c025b_amadey_coinminer_elex_floxif_remcos_smoke-loader_stop.exe"1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe"C:\Users\Admin\AppData\Local\Temp\360TS_Setup.exe" /c:RU.DRP.CPS001 /pmode:2 /syncid0_2 /promo:eyJib290dGltZSI6IjciLCJtZWRhbCI6IjciLCJuZXdzIjoiMCIsIm9wZXJhIjoiNyIsIm9wZXJhX2lucyI6IjAiLCJwb3B1cCI6IjciLCJ1cGRyYWRlX25vdyI6IjcifQo=2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\1790195428_0\360TS_Setup.exe"C:\Program Files (x86)\1790195428_0\360TS_Setup.exe" /c:RU.DRP.CPS001 /pmode:2 /syncid0_2 /promo:eyJib290dGltZSI6IjciLCJtZWRhbCI6IjciLCJuZXdzIjoiMCIsIm9wZXJhIjoiNyIsIm9wZXJhX2lucyI6IjAiLCJwb3B1cCI6IjciLCJ1cGRyYWRlX25vdyI6IjcifQo= /TSinstall3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
symsrv.dll
symsrv.dll.000
setup.ini
360base.dll
360base.dll.tmp
360base.dll.tmp
360P2SP.dll
360P2SP.dll.tmp
{A40EF075-CD15-418f-A9F0-FA567707B515}.tmp
memory/3940-143-0x0000000072240000-0x0000000072346000-memory.dmp
memory/3940-141-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3940-149-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3940-105-0x0000000010000000-0x0000000010030000-memory.dmp
memory/3940-150-0x0000000072240000-0x0000000072346000-memory.dmp
memory/4408-145-0x0000000010000000-0x0000000010030000-memory.dmp
memory/4408-119-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5116-70-0x00000000772D5000-0x00000000772D6000-memory.dmp
memory/5116-121-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5116-79-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5116-75-0x0000000003CB0000-0x0000000003CB1000-memory.dmp
memory/5116-139-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5116-140-0x00000000772C0000-0x0000000077323000-memory.dmp
memory/5116-74-0x0000000010000000-0x0000000010030000-memory.dmp
memory/5116-73-0x00000000772C0000-0x0000000077323000-memory.dmp
memory/5116-72-0x00000000772C0000-0x0000000077323000-memory.dmp
memory/5116-21-0x0000000003CB0000-0x0000000003CB1000-memory.dmp
memory/5116-4-0x0000000010000000-0x0000000010030000-memory.dmp