Analysis
- max time kernel
150s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/09/2026, 04:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe
- Size 52KB
- Sample260924-e58tjsea76
- SHA256 3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a
- MD5 46e8a5159dd4b41321968ee51bff5e50
- SHA1 e1abae3625f9471cbe791315a2bb9fb65626c175
- SHA512 ec4765d68237e56a1c5b55a91070ff2a6e61ba3c6c71a1f22db7e1b8ccd6026b598dc930e3169e0df962441abce89f99a729155cad05835879aeedaa50da8797
- SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzKs:ZPm+1TF9a9ir7wNj4R49/kWs
- TLSH T182333B8B46A1ABF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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.
- Executes dropped EXE 1 IoCs
pid Process 1660 rmchampk.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\rmchamp.dll jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe File created C:\Windows\SysWOW64\rmchampk.exe jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 5644 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rmchampk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3088 wrote to memory of 1660 3088 jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe 89 PID 3088 wrote to memory of 5644 3088 jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\rmchampk.exeC:\Windows\system32\rmchampk.exe ˜‰2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1660
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5644
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a.exe.bat
- Size 274B
- SHA256 9d86732668823b6bba96c4913b45f357c93b734639610a64a13cacd9ca4190a4
- MD5 7a661a3d4ae000529666930ceb18ac92
- SHA1 b28ca9ab8f702cf8df7725f15c6effd7fb636959
- SHA512 36b978d8da870465609be15b48be0d39df2466d968670b8b81d67c05bda1277b95a1edb51c62e45487be796c3319ff074931acdd1e4a179ad867f0c6ae180d26
- TLSH T118D0C2A452C38D9D8C45941F4679E58452322A54D28C2F022B3387E480B3038A2DE6C1
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\rmchampk.exe
- Size 52KB
- SHA256 3dd17361496eb7308647855a659adff7d716eac81ec5b04163fded83adbbb84a
- MD5 46e8a5159dd4b41321968ee51bff5e50
- SHA1 e1abae3625f9471cbe791315a2bb9fb65626c175
- SHA512 ec4765d68237e56a1c5b55a91070ff2a6e61ba3c6c71a1f22db7e1b8ccd6026b598dc930e3169e0df962441abce89f99a729155cad05835879aeedaa50da8797
- SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzKs:ZPm+1TF9a9ir7wNj4R49/kWs
- TLSH T182333B8B46A1ABF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
- MD5 SHA1 SHA512 SSDEEP TLSH