tofsee | 972c88a27400bcd329cd4d37501e86533aa5e83bbf439a17ab5459a570c55c28

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/11/2026, 02:44

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General

Target
2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader.exe
Size 12.6MB
Sample261101-c8bxwastd1
SHA256 972c88a27400bcd329cd4d37501e86533aa5e83bbf439a17ab5459a570c55c28
MD5 5052cbc39c635f0314d6ef18a5d70f21
SHA1 5cf78af5bdfdcbe24a60d1d29004ee5ea064f681
SHA512 0a08023f90a9289f3bdb28abae1cae965c9a8326edb3265b2090da240573e515c4c04a13b2ce795ce2009aa2c0efeea35aea8ef4b4a04359224ff53c35f950a2
SSDEEP 49152:cIm2s0vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvf:cIm2s
TLSH
T182D68DB484F2CD97C5FA08BC6FAD7F5649ECA2F3D60496B38AD624E560321F094D610B
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
4876	468	WerFault.exe	89

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	2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader.exe

C:\Users\Admin\AppData\Local\Temp\2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 328
  2⤵
  - Program crash
  PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 468 -ip 468
1⤵
PID:5568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5328

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/468-2-0x0000000000B30000-0x0000000000B43000-memory.dmp

Download

memory/468-1-0x0000000000B50000-0x0000000000C50000-memory.dmp