tofsee | 5be3415b662a0bca56089b93e58491c7cd209463909964ae400c354d1308d605

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/11/2026, 12:14

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General

Target
2026-11-07_7f7b19721ee0f5dfcaa6648406ac0f2d_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe
Size 12.4MB
Sample261108-pec93abz7y
SHA256 5be3415b662a0bca56089b93e58491c7cd209463909964ae400c354d1308d605
MD5 7f7b19721ee0f5dfcaa6648406ac0f2d
SHA1 0fc2c4b26973d24f3191d1f46793bee884594204
SHA512 7a2c7640cbe2021f9514b7ac7eac2f7fbde90420c996751a8d9022a32ca88007218541193de7448d82549b7beca684700dd26b62cd8f380b1eb599935c1b5070
SSDEEP 98304:C3bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb3:C
TLSH
T14FD66BF5AA9DDD84E4472630841ACEE4237DEC55B854520331A43F8E3DB7E4C92E62AF
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
4156	4348	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	2026-11-07_7f7b19721ee0f5dfcaa6648406ac0f2d_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe

C:\Users\Admin\AppData\Local\Temp\2026-11-07_7f7b19721ee0f5dfcaa6648406ac0f2d_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-07_7f7b19721ee0f5dfcaa6648406ac0f2d_amadey_elex_rhadamanthys_smoke-loader_stealc_tofsee.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 432
  2⤵
  - Program crash
  PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4348 -ip 4348
1⤵
PID:5100

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/4348-2-0x0000000002210000-0x0000000002223000-memory.dmp

Download

memory/4348-1-0x00000000006F0000-0x00000000007F0000-memory.dmp