tofsee | 80e6e361c41f34d1dce4287fc84b6a952aab63f7d762f47b8049276af48e2226

Analysis

max time kernel
150s
max time network
129s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/11/2026, 18:59

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General

Target
2026-11-03_619d50312613cb30bfe6b32812878ccb_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
Size 12.8MB
Sample261104-xnavastyez
SHA256 80e6e361c41f34d1dce4287fc84b6a952aab63f7d762f47b8049276af48e2226
MD5 619d50312613cb30bfe6b32812878ccb
SHA1 af841f95a4193bd453d0e1621cdd3033147cc53b
SHA512 4ba7624eb4748e6001490645c1eac3bdf06f308d681ce20b8b28ac66bf9ad3a7d4b16d1a8fb25cdd79239dc717fbf1cf1fc5185613326a4a32eef0821cddb877
SSDEEP 98304:dyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyD:
TLSH
T1D6D67CF0AAE18288F7F75B741B32EA85567BBC53B820574B11442D2F29767E08C537B2
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
3540	4444	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	2026-11-03_619d50312613cb30bfe6b32812878ccb_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe

C:\Users\Admin\AppData\Local\Temp\2026-11-03_619d50312613cb30bfe6b32812878ccb_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-03_619d50312613cb30bfe6b32812878ccb_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 444
  2⤵
  - Program crash
  PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4444 -ip 4444
1⤵
PID:1420

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/4444-0-0x00000000021A0000-0x00000000021AD000-memory.dmp

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memory/4444-1-0x00000000021B0000-0x00000000021C3000-memory.dmp

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memory/4444-2-0x00000000021A0000-0x00000000021AD000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads