tofsee | d02ec1a9a978fb26895deffbb33df86266ba4730c81379e7a76cbeb15030add6 | Triage

Sharing

General

Target

d02ec1a9a978fb26895deffbb33df86266ba4730c81379e7a76cbeb15030add6
Size

13.6MB
Sample

201114-99rp88cks6
MD5

40a1b23d4eee202c6bee889f86515d3e
SHA1

9aece8c7c889d9d96b8f16a20aa22ba6b43fa12c
SHA256

d02ec1a9a978fb26895deffbb33df86266ba4730c81379e7a76cbeb15030add6
SHA512

e1901b58d92970834141237a79e1fc58930559651d80c022f6923f9fb2a99d07084447ba175d9bbf568c0070adac8d44e1b838bf8918d3b2df38d3609cfbac8d

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  d02ec1a9a978fb26895deffbb33df86266ba4730c81379e7a76cbeb15030add6
- Size
  
  13.6MB
- MD5
  
  40a1b23d4eee202c6bee889f86515d3e
- SHA1
  
  9aece8c7c889d9d96b8f16a20aa22ba6b43fa12c
- SHA256
  
  d02ec1a9a978fb26895deffbb33df86266ba4730c81379e7a76cbeb15030add6
- SHA512
  
  e1901b58d92970834141237a79e1fc58930559651d80c022f6923f9fb2a99d07084447ba175d9bbf568c0070adac8d44e1b838bf8918d3b2df38d3609cfbac8d
Score

10^/10

tofsee evasion persistence trojan
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Windows security bypass
  evasion trojan
- Creates new service(s)
  persistence
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Deletes itself
- Drops file in System32 directory
- Modifies service
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

New Service

Registry Run Keys / Startup Folder

Privilege Escalation

New Service

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

tofseeevasionpersistencetrojan

behavioral2

tofseeevasionpersistencetrojan