3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d

Analysis

max time kernel
150s
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, 06:28

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General

Target
jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe
Size 44KB
Sample261002-g8kl8sbb34
SHA256 3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d
MD5 a6c8c7178f0b8900ffdf77e1cbea1e0a
SHA1 4666cd96aefb271540199ea7a678c907459e5d2c
SHA512 371abe2d244aee354eba2068530d5dff85e63c2617b7ee681cade711446e8ce41e846a63dffa8fa8cf2580238c524a1daf51f9d1743284e560b995af70ab50dc
SSDEEP 384:ZnTyn+dcvNgStLx9Qk9oBBfzj3Dewspct5E:hNANgELxSNBBrj3Dewsat5
TLSH
T169132A479F0488B2C2D54574350B9A3B5FBB6A3503628CD3C7B36AC66D349F48E3662B
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
5676	resonyk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\resony.dll	jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe
File created	C:\Windows\SysWOW64\resonyk.exe	jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.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
1888	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	resonyk.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 5676	3896	jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe	89
PID 3896 wrote to memory of 1888	3896	jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Windows\SysWOW64\resonyk.exe
  C:\Windows\system32\resonyk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5676
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1888

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

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Downloads

jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d.exe.bat
Size 274B
SHA256 431be3068a9bb008f9210ec1fd01eff2d58509d34ae465afe47e122461a564d1
MD5 39e876cec4fc735951aae88992608dec
SHA1 1b21da6b6bb6b90382827a0ec1bb1bf7ce75889e
SHA512 9a3ce455b01878b6087dad5e1bbf3c2034fb0142e7712fd94bff2f6503eedefbbe24c669ab53a6ab77e30c23f59fab29ae4cc28f5b699d5e76d1f3e6fa059697
TLSH
T152D02B7550D399F95414857F42382D4D61590E741BCF1B090A9E87C4114743DF18B794
MD5 SHA1 SHA512 TLSH

Submit Download

resonyk.exe

Path C:\Windows\SysWOW64\resonyk.exe
Size 44KB
SHA256 3b66684721def9fbe8274e9065234de748b0edf7e9ec7d9b5cfdcf78cc4ee53d
MD5 a6c8c7178f0b8900ffdf77e1cbea1e0a
SHA1 4666cd96aefb271540199ea7a678c907459e5d2c
SHA512 371abe2d244aee354eba2068530d5dff85e63c2617b7ee681cade711446e8ce41e846a63dffa8fa8cf2580238c524a1daf51f9d1743284e560b995af70ab50dc
SSDEEP 384:ZnTyn+dcvNgStLx9Qk9oBBfzj3Dewspct5E:hNANgELxSNBBrj3Dewsat5
TLSH
T169132A479F0488B2C2D54574350B9A3B5FBB6A3503628CD3C7B36AC66D349F48E3662B
MD5 SHA1 SHA512 SSDEEP TLSH