tofsee | 1f71b2564c5d7032a404e2c6cf9d83c5bec47d2253ed65366e4a970456f34a5d

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/11/2026, 14:19

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General

Target
2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
Size 13.6MB
Sample261105-rmybbaxs7q
SHA256 1f71b2564c5d7032a404e2c6cf9d83c5bec47d2253ed65366e4a970456f34a5d
MD5 beed38c01e94283e2cd402ecd0217e53
SHA1 232c7a9a10dad70dd2d0338f65ac13152bfb71a3
SHA512 6f82bcaa92d930fb410eabfc9532a9532956c66b1ba108b433ec587d6cb02733252abf0ab09ec5513e18746230230c91112b9d32f466870ac1b6ed6066e7c736
SSDEEP 98304:3yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyK:
TLSH
T130E67CF0AAE18288F7F75B741B32EA85567BBC53B820574B11442D2F29767E08C537B2
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
5596	1856	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	2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe

C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-04_beed38c01e94283e2cd402ecd0217e53_elex_rhadamanthys_sakula_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 444
  2⤵
  - Program crash
  PID:5596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1856 -ip 1856
1⤵
PID:4828

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/1856-0-0x00000000006C0000-0x00000000006CD000-memory.dmp

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memory/1856-1-0x00000000021C0000-0x00000000021D3000-memory.dmp

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memory/1856-2-0x00000000006C0000-0x00000000006CD000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads