Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
28/07/2026, 12:19
General
- Target dr-flv-player-lite.exe
- Size 1.7MB
- Sample260728-phjw1sha79
- SHA256 025130cc8c9b86a9850a4916e3b9e36c4936c5e64e2cfab4ec5bf104f863eb42
Malware Config
Signatures
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 7 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 12 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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. 6 IoCs
Inno Setup installer
- NSIS installer 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dr-flv-player-lite.exe"C:\Users\Admin\AppData\Local\Temp\dr-flv-player-lite.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-84NM7.tmp\dr-flv-player-lite.tmp"C:\Users\Admin\AppData\Local\Temp\is-84NM7.tmp\dr-flv-player-lite.tmp" /SL5="$4010A,1347958,140800,C:\Users\Admin\AppData\Local\Temp\dr-flv-player-lite.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-OHHJ5.tmp\Repair.exe"C:\Users\Admin\AppData\Local\Temp\is-OHHJ5.tmp\Repair.exe" /VERYSILENT3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-VBHKN.tmp\Repair.tmp"C:\Users\Admin\AppData\Local\Temp\is-VBHKN.tmp\Repair.tmp" /SL5="$A005E,242230,140800,C:\Users\Admin\AppData\Local\Temp\is-OHHJ5.tmp\Repair.exe" /VERYSILENT4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\AppData\Local\Temp\is-OHHJ5.tmp\CBStub.exe"C:\Users\Admin\AppData\Local\Temp\is-OHHJ5.tmp\CBStub.exe" /CBURL=http://www.coaug14rain.com/download.php?mH6Dcg==3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
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C:\Program Files (x86)\Ainishare\Free Center\AinishareFreeCenter.exe"C:\Program Files (x86)\Ainishare\Free Center\AinishareFreeCenter.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
AinishareFreeCenter.exe
unins000.exe
_shfoldr.dll
innocallback.dll
dr-flv-player-lite.tmp
CBStub.exe
Repair.exe
itdownload.dll
inetc.dll
memory/2696-75-0x0000000000400000-0x000000000042D000-memory.dmp
memory/2696-33-0x0000000000400000-0x000000000042D000-memory.dmp
memory/3136-81-0x00000000045A0000-0x00000000045DC000-memory.dmp
memory/3136-8-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-114-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-9-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-64-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-66-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-71-0x00000000045A0000-0x00000000045DC000-memory.dmp
memory/3136-108-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-18-0x00000000045A0000-0x00000000045DC000-memory.dmp
memory/3136-80-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3136-77-0x0000000000400000-0x0000000000526000-memory.dmp
memory/4220-0-0x0000000000400000-0x000000000042D000-memory.dmp
memory/4220-2-0x000000000041E000-0x000000000041F000-memory.dmp
memory/4220-65-0x0000000000400000-0x000000000042D000-memory.dmp
memory/4220-115-0x0000000000400000-0x000000000042D000-memory.dmp
memory/4228-116-0x0000000000400000-0x0000000000843000-memory.dmp
memory/5772-73-0x0000000000400000-0x0000000000526000-memory.dmp
memory/5772-54-0x0000000003D80000-0x0000000003DBC000-memory.dmp
memory/5772-61-0x0000000003F00000-0x0000000003F15000-memory.dmp