tofsee | 694ceb78aab7e554bc34d4f6a3635bac7c161ca61097de89a0be2919a0c6008b

Analysis

max time kernel
150s
max time network
126s
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, 13:31

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General

Target
2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe
Size 11.7MB
Sample261104-qstdwadf32
SHA256 694ceb78aab7e554bc34d4f6a3635bac7c161ca61097de89a0be2919a0c6008b
MD5 94afe7a87deaa2a56f0405a78aa5ce39
SHA1 b864b781e5a8368e9b883e588540681a7ce91232
SHA512 653580018425eb23dece120dba4e25e3a90f86fd2b885e71c7010947a7943adfaa2aec3dbb70c21d852cd7ec979fc463a610799cee9ab740cd71ee092fa5bf15
SSDEEP 98304:q+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaf:
TLSH
T12BC66B25DA7316B3D06549BDA26C3FBDDBFE83B0D3105437504868F898233AB29E5687
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
4952	5756	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_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe

C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-03_94afe7a87deaa2a56f0405a78aa5ce39_amadey_elex_remcos_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5756 -s 328
  2⤵
  - Program crash
  PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5756 -ip 5756
1⤵
PID:3104

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

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Downloads

memory/5756-1-0x0000000000C10000-0x0000000000D10000-memory.dmp

Download

memory/5756-2-0x0000000000A90000-0x0000000000AA3000-memory.dmp