Analysis
- max time kernel
140s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
19/01/2025, 17:30
General
- Target DBDownloader.exe
- Size 823KB
- Sample250119-v3fb8aymbr
- SHA256 75542249fc08f4392189a0807595f18580aa17487530bc5527bf928a0b78146c
Malware Config
Extracted
-
lumma
-
https://joyoushammen.cyou/api
Signatures
- Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
- Lumma family
- Suspicious use of SetThreadContext 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 11 IoCs
- 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 behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DBDownloader.exe"C:\Users\Admin\AppData\Local\Temp\DBDownloader.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\PatchDownload_debugv5\DBDownloader.exeC:\Users\Admin\AppData\Roaming\PatchDownload_debugv5\DBDownloader.exe2⤵
- Suspicious use of SetThreadContext
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- System Location Discovery: System Language Discovery
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
d79fdd7
DBDownloader.exe
Zip.dll
madBasic_.bpl
madDisAsm_.bpl
madExcept_.bpl
phantasy.mpg
rtl120.bpl
sciurine.txt
vcl120.bpl
memory/1324-19-0x0000000050120000-0x000000005030D000-memory.dmp
memory/1324-2-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/1324-21-0x0000000000A90000-0x0000000000B27000-memory.dmp
memory/1324-15-0x0000000059800000-0x000000005986E000-memory.dmp
memory/1324-0-0x0000000000A90000-0x0000000000B27000-memory.dmp
memory/1324-16-0x0000000050000000-0x0000000050116000-memory.dmp
memory/1324-14-0x0000000000400000-0x00000000004D2000-memory.dmp
memory/1324-17-0x0000000057000000-0x000000005703F000-memory.dmp
memory/1324-1-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/1324-18-0x0000000057800000-0x0000000057812000-memory.dmp
memory/2928-64-0x00000000000B0000-0x000000000010C000-memory.dmp
memory/2928-61-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2928-62-0x00000000000B0000-0x000000000010C000-memory.dmp
memory/2928-63-0x00000000000B0000-0x000000000010C000-memory.dmp
memory/3108-41-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3108-38-0x0000000000AD0000-0x0000000000B67000-memory.dmp
memory/3108-42-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/3108-52-0x0000000050120000-0x000000005030D000-memory.dmp
memory/3108-50-0x0000000057000000-0x000000005703F000-memory.dmp
memory/3108-49-0x0000000059800000-0x000000005986E000-memory.dmp
memory/3108-48-0x0000000050000000-0x0000000050116000-memory.dmp
memory/3108-47-0x0000000000400000-0x00000000004D2000-memory.dmp
memory/3108-45-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3108-44-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3108-43-0x00000000746E3000-0x00000000746E5000-memory.dmp
memory/3108-53-0x0000000000AD0000-0x0000000000B67000-memory.dmp
memory/3544-60-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3544-58-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3544-57-0x00000000746D0000-0x000000007484B000-memory.dmp
memory/3544-56-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/3544-54-0x00000000746D0000-0x000000007484B000-memory.dmp