tofsee | e013a3489975a5882a5850a9456cdeeaa7cc6dddd8b9de6345e8415d85d2a150 | Triage

Sharing

General

Target

e013a3489975a5882a5850a9456cdeeaa7cc6dddd8b9de6345e8415d85d2a150
Size

13.6MB
Sample

201114-et473qn58x
MD5

3fa3e938a79aa0a39bbe02f31dd689ff
SHA1

4c144efabc0b14588f32c93f1fc30165a00d31c9
SHA256

e013a3489975a5882a5850a9456cdeeaa7cc6dddd8b9de6345e8415d85d2a150
SHA512

d5eaf06e1a574658dd9fc06b412414c7e7d9623d8a1792eedc7a6144d1829563d79fb6b3206bc42e4eee4c0e4e788386617a6b0781e2217aa9edeb2cb240e651

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  e013a3489975a5882a5850a9456cdeeaa7cc6dddd8b9de6345e8415d85d2a150
- Size
  
  13.6MB
- MD5
  
  3fa3e938a79aa0a39bbe02f31dd689ff
- SHA1
  
  4c144efabc0b14588f32c93f1fc30165a00d31c9
- SHA256
  
  e013a3489975a5882a5850a9456cdeeaa7cc6dddd8b9de6345e8415d85d2a150
- SHA512
  
  d5eaf06e1a574658dd9fc06b412414c7e7d9623d8a1792eedc7a6144d1829563d79fb6b3206bc42e4eee4c0e4e788386617a6b0781e2217aa9edeb2cb240e651
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