1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30

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
02/10/2026, 06:29

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General

Target
jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe
Size 44KB
Sample261002-g9bqqavya1
SHA256 1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30
MD5 3386131b5c0439a9d698967292a7a38b
SHA1 cddf847712355a9c198e7fb9fab70f5de7e8670a
SHA512 7d28f8628cc2f374410a371d69c9b3ccfca2cc3611be6d7ffc1bf3ab4f43e5e7b7ccfb51d24fa8a7492fee30cf6abc5ee31445c25dae0630383ae8fce190a732
SSDEEP 768:kombPNgB5rUzJ6eKKmauTiR9qhSRL7bAUI9C:kJbFw5rUzJ6eKKmauSL7ba
TLSH
T1B213294FA9508CB2D29A8439374A553B9BFB6930132689D3CB736AC46930EE49E31207
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

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.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
5688	rmchampk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.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.

execution

Windows Command Shell

T1059.003

pid	Process
864	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.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 4780 wrote to memory of 5688	4780	jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe	89
PID 4780 wrote to memory of 864	4780	jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5688
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30.exe.bat
Size 274B
SHA256 806edbcdf3c5563c3fecf012ed773dfc2dfcc02b05911a8ec7aa56cba44ff973
MD5 35d3450d12aa064ae30fa3cebba5e35a
SHA1 51f55eac047c469576610927a1f2d01825723c86
SHA512 83721ec1d25cbbb1750ed3f3e522627e4f67ca7a87bacbc7c01aeefc30e18a4fd5276809b6bedf630d260dd9eac34767ab1722974c889579ce2c9df27a03ffad
TLSH
T165D0C2805162C15D1C81E03F44750E8FC0F21EB2328A3F23963184E7401741F718268C
MD5 SHA1 SHA512 TLSH

Submit Download

rmchampk.exe

Path C:\Windows\SysWOW64\rmchampk.exe
Size 44KB
SHA256 1425c078bd07a9425f246f091550c7c5e82ded0f9fef7aed9d34325792378a30
MD5 3386131b5c0439a9d698967292a7a38b
SHA1 cddf847712355a9c198e7fb9fab70f5de7e8670a
SHA512 7d28f8628cc2f374410a371d69c9b3ccfca2cc3611be6d7ffc1bf3ab4f43e5e7b7ccfb51d24fa8a7492fee30cf6abc5ee31445c25dae0630383ae8fce190a732
SSDEEP 768:kombPNgB5rUzJ6eKKmauTiR9qhSRL7bAUI9C:kJbFw5rUzJ6eKKmauSL7ba
TLSH
T1B213294FA9508CB2D29A8439374A553B9BFB6930132689D3CB736AC46930EE49E31207
MD5 SHA1 SHA512 SSDEEP TLSH