tofsee | f3c135f97d72977c25388d945463600408020a4e6f7593c098074d0e6346c03d

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
03/11/2026, 03:43

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General

Target
2026-11-02_9b534e8135bf1a53cad9f104cc5436fe_amadey_elex_smoke-loader.exe
Size 14.6MB
Sample261103-eab64ahs5r
SHA256 f3c135f97d72977c25388d945463600408020a4e6f7593c098074d0e6346c03d
MD5 9b534e8135bf1a53cad9f104cc5436fe
SHA1 caee665cb77988f199789833b4c67fcc202c9deb
SHA512 4172b022643747a9096b797ac69117acd15768cf78347cd8bf80c73b160d4f880fe5129f6095ce18186d0e8ce630abb20373b49fd0b6bae5e3682082f62205d7
SSDEEP 12288:Pmssg6wmSQ2C8G7osWqqbQZeCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCa:Pm9gldGWB
TLSH
T182F67D2A8FEE4EB6D47D41BC1A583F9D40EEE7B5A68CC367C42408D844136E934E197B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery tofsee trojan

Malware Config

Signatures

Family: Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3304	5952	WerFault.exe	88

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	2026-11-02_9b534e8135bf1a53cad9f104cc5436fe_amadey_elex_smoke-loader.exe

C:\Users\Admin\AppData\Local\Temp\2026-11-02_9b534e8135bf1a53cad9f104cc5436fe_amadey_elex_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-02_9b534e8135bf1a53cad9f104cc5436fe_amadey_elex_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5952 -s 272
  2⤵
  - Program crash
  PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5952 -ip 5952
1⤵
PID:4716

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

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Downloads

memory/5952-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Download

memory/5952-2-0x0000000002CA0000-0x0000000002CB3000-memory.dmp