21e21805c434032fc7835b70ad40a211404b3ae97dd9d8df857fe2165f862f09

Analysis

max time kernel
150s
max time network
122s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 03:46

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Tsumugi.exe
Size 4.3MB
Sample260814-ebmzzstybw
SHA256 21e21805c434032fc7835b70ad40a211404b3ae97dd9d8df857fe2165f862f09
MD5 977133a9c88993f718d74b410f715bf3
SHA1 e030838e59735bf540cd22b8f8d40e13c1a5e24c
SHA512 c551e15efab691e94a2e76a564b24289f8d825cd9de2bc08af11c789f9f07cf896c9270f90c03ee90ac5262881e44067312f7b7b3ab062ffb4f543773cf9b215
SSDEEP 98304:YDCijVOydqj5XjtzZsXYzFNM81zm+0IqdX/B3yv7Vf:pOOydqj7wY/M88+cC
TLSH
T1FB26BF11BB91C13AE9F202B19A7DAB9F502CBE251B2440CB72DC4E9D1DB16D32B36717
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
5732	Tsumugi.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	Tsumugi.exe

C:\Users\Admin\AppData\Local\Temp\Tsumugi.exe
"C:\Users\Admin\AppData\Local\Temp\Tsumugi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5732

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

b13bfbe638ef.dll

Path C:\Users\Admin\AppData\Local\Temp\krkr_c3f186520634_240774125_5732\b13bfbe638ef.dll
Size 745KB
SHA256 f4921895643744b751b2ec5f774c72f399daa7479636210ac91e409596f6f467
MD5 7bbe6886ebbda09f65c3f623d8e9556f
SHA1 1902c27cfdc54bd4b05a0da00306d56999978c40
SHA512 6099f3d5d895b396998d120884dd9cbeafe6d164298397f9117f66101967eaee2b36af3e8afe18b873025c2789fae9c54ebc134fec0b534e1da3824dd5a985b4
SSDEEP 12288:htxgrI4pfkuii0w5cr3vMl5lkYT+eeYLbHerZVAZrBsmsHhOnu8N:htxgfpMuiiF5cYtkYT+eeYLj7Zrbnb
TLSH
T1B3F47C217680C17EE4AF02B28A3C9F5F10AEBD6647B89BE3ABD85D5D0E704C21739517
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download