f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28

Analysis

max time kernel
143s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/09/2026, 18:31

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General

Target
jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe
Size 48KB
Sample260925-w6f9csxtay
SHA256 f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28
MD5 0ba6fbdfb4f5be5f2e0469a0213174e0
SHA1 6a775af89af4e278c631212b57fbbd70353a9b56
SHA512 997311a4d58a4e331d55ea874573e92e112098424c3039f0a40950980925c0f2e2951d9f506c1040e4676b22d28c06914c30c1d70e5678a9434b2b1febd3998a
SSDEEP 384:OOH891vNggSsM1KhxxFuGs4NF61AqApct5JNGh:OWudNggSsIKzxxs4+Anat5vGh
TLSH
T1DE234BC79A128CF2C7D9047434E3A6371FBA6E344725A8A3EBF359CD9D214638931617
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
5112	cmonosk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmonos.dll	jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe
File created	C:\Windows\SysWOW64\cmonosk.exe	jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe
File opened for modification	C:\Windows\SysWOW64\cmonosk.exe	jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

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
4060	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_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmonosk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 5112	4480	jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe	87
PID 4480 wrote to memory of 4060	4480	jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe	101

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\cmonosk.exe
  C:\Windows\system32\cmonosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4060

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

Accessibility Features

T1546.008

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

Accessibility Features

T1546.008

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_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28.exe.bat
Size 274B
SHA256 912cb71f80c0b1e149739b8adc39446d2e332f9f16d1e41e975b02d36cd36946
MD5 3d0abb461b2631ba310c863c13317846
SHA1 555078067d76173b3c2b28276084ad8fd545f343
SHA512 efff89fe7378ae3ca47f654497647ca5de716d46e6e9ae587ef899bb696b928108dbfaa1effb04591ea6e62d52e8d39b86792764e6768949b6bb79e2699d889f
TLSH
T10CD0C2A14552CB441D20CC1B04680784F1A00C411AD81F2E6B33C68C02E2ECCE78E28C
MD5 SHA1 SHA512 TLSH

Submit Download

cmonosk.exe

Path C:\Windows\SysWOW64\cmonosk.exe
Size 48KB
SHA256 f897a684913cebfcaba3dd56112f00e76d8e9b6f6cc9166cb3a8d5ebce83ab28
MD5 0ba6fbdfb4f5be5f2e0469a0213174e0
SHA1 6a775af89af4e278c631212b57fbbd70353a9b56
SHA512 997311a4d58a4e331d55ea874573e92e112098424c3039f0a40950980925c0f2e2951d9f506c1040e4676b22d28c06914c30c1d70e5678a9434b2b1febd3998a
SSDEEP 384:OOH891vNggSsM1KhxxFuGs4NF61AqApct5JNGh:OWudNggSsIKzxxs4+Anat5vGh
TLSH
T1DE234BC79A128CF2C7D9047434E3A6371FBA6E344725A8A3EBF359CD9D214638931617
MD5 SHA1 SHA512 SSDEEP TLSH