23c9db8ca238d28ebf86c58708ca77cb172ecd0b24c58b926a1c209d58302d57

General

Target
2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe
Size 387KB
Sample260826-bfebvsxxez
SHA256 23c9db8ca238d28ebf86c58708ca77cb172ecd0b24c58b926a1c209d58302d57
MD5 f945984991668785a151cc0d730d410b
SHA1 7aba18238a24d3703ab3410ec10efcf52fcb09d3
SHA512 96b8626ebfcc3dabdc7427f983ba82eccad3d67e66a14f3e6f27a0421dd7d76e0c89b7c6a9c883f9349369843dbdb6dad53a4205a333b01770dc2736d003a52b
SSDEEP 12288:BqYXje0DF9k64/QSywqP0T8oIN1AHDFhY25fC2WF9sD204:BqYDF9k64/Q9j28okAHDHY25fC2WF9sS
TLSH
T156848C22B680C072D49325719AA9DB75497EB830232169CFFBD90A7E5F647D19AF030F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 2 IoCs

pid	Process
3052	StikyNote.exe
4612	StikyNote.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RESTART_STICKY_NOTESS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\StikyNote.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 4480	3052	StikyNote.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 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
2052	cmd.exe
2084	cmd.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StikyNote.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2656	reg.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe
2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe
3052	StikyNote.exe
3052	StikyNote.exe
4480	iexplore.exe
4480	iexplore.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1720	2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe	87
PID 2132 wrote to memory of 1720	2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe	87
PID 2132 wrote to memory of 2084	2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe	88
PID 2132 wrote to memory of 3052	2132	2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe	90
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 3052 wrote to memory of 4480	3052	StikyNote.exe	94
PID 1720 wrote to memory of 2052	1720	rundll32.exe	99
PID 2052 wrote to memory of 2656	2052	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v RESTART_STICKY_NOTESS /f /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\StikyNote.exe"
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2052
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v RESTART_STICKY_NOTESS /f /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\StikyNote.exe"
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2656
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c copy "C:\Users\Admin\AppData\Local\Temp\2026-08-25_f945984991668785a151cc0d730d410b_amadey_elex_mafia_remcos_stonedrill.exe" "C:\Users\Admin\AppData\Local\Temp\StikyNote.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Users\Admin\AppData\Local\Temp\StikyNote.exe
  "C:\Users\Admin\AppData\Local\Temp\StikyNote.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4480

C:\Users\Admin\AppData\Local\Temp\StikyNote.exe
C:\Users\Admin\AppData\Local\Temp\StikyNote.exe
1⤵
- Executes dropped EXE
PID:4612

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

StikyNote.exe

Path C:\Users\Admin\AppData\Local\Temp\StikyNote.exe
Size 387KB
SHA256 23c9db8ca238d28ebf86c58708ca77cb172ecd0b24c58b926a1c209d58302d57
MD5 f945984991668785a151cc0d730d410b
SHA1 7aba18238a24d3703ab3410ec10efcf52fcb09d3
SHA512 96b8626ebfcc3dabdc7427f983ba82eccad3d67e66a14f3e6f27a0421dd7d76e0c89b7c6a9c883f9349369843dbdb6dad53a4205a333b01770dc2736d003a52b
SSDEEP 12288:BqYXje0DF9k64/QSywqP0T8oIN1AHDFhY25fC2WF9sD204:BqYDF9k64/Q9j28okAHDHY25fC2WF9sS
TLSH
T156848C22B680C072D49325719AA9DB75497EB830232169CFFBD90A7E5F647D19AF030F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

StikyNote.tmp

Path C:\Users\Admin\AppData\Local\Temp\StikyNote.tmp
Size 387KB
SHA256 37b58f9e3e7a125cdf9b401094be51d09a3e47acd50b53e2865058b2e5cae3cc
MD5 f6c6e43b86898584d17e4601f0d8c026
SHA1 20a200068134468b9c1d1f4d4700df6085d5f1b2
SHA512 767c784a5389d857d4b383d2eda2e02f4e5b8d7edfce3deaee7b6dc17545dc082ca926fdabd6ba2f54b89d7f2d4020b57f111c177343dcc6daf864076f623434
SSDEEP 12288:BqYXje0DF9k64/QSywqP0T8oIN1AHDFhY25fC2WF9sH204:BqYDF9k64/Q9j28okAHDHY25fC2WF9sW
TLSH
T1B0848C22B680C072D49325719AA9DB75497EB830232169CFFBD90A7E5F647D19AF030F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

setup.tmp

Path C:\Users\Admin\AppData\Local\Temp\setup.tmp
Size 47B
SHA256 afa60141aee93d7e3f3d8d296e36de9956f588a6cad99f8e79ce36ab88e828dd
MD5 72a392628d7f368bb9bc9689a694f55a
SHA1 feacee9c66028a333446f2c968bcb3d567a4033d
SHA512 76f40be7d3e0de960c7bc199fd094c64588841e5b6a1b99bd7fd2e3b53f9e381ded992ee6d67848dd4fda755416792ff6e29bf0acf1a348796dcf7e9bf96229e
MD5 SHA1 SHA512

Submit Download

memory/1720-2-0x0000000000BE0000-0x0000000000BE3000-memory.dmp

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memory/4480-12-0x0000000000400000-0x0000000000469000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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