tofsee | b1a851f826af5c5668645413fb6d9310476c40d9fe5000f9ff3f26ce31997c4f | Triage

Sharing

General

Target

f0341ec61c2cd41911abdbf9c0470592
Size

13.4MB
Sample

201214-ll2wk7ndc2
MD5

f0341ec61c2cd41911abdbf9c0470592
SHA1

4f71295793b5dec415afa6b516a16fb65cd0ad9a
SHA256

b1a851f826af5c5668645413fb6d9310476c40d9fe5000f9ff3f26ce31997c4f
SHA512

c6ab6ffed2ff286cc3f043c3df2eb3c8778d96896b8a7484ec677d528998f24c023da01f8ad791bc26807eae4fecbf5cc4b0bcf5b12adf86dafde9e58ebc486f

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  f0341ec61c2cd41911abdbf9c0470592
- Size
  
  13.4MB
- MD5
  
  f0341ec61c2cd41911abdbf9c0470592
- SHA1
  
  4f71295793b5dec415afa6b516a16fb65cd0ad9a
- SHA256
  
  b1a851f826af5c5668645413fb6d9310476c40d9fe5000f9ff3f26ce31997c4f
- SHA512
  
  c6ab6ffed2ff286cc3f043c3df2eb3c8778d96896b8a7484ec677d528998f24c023da01f8ad791bc26807eae4fecbf5cc4b0bcf5b12adf86dafde9e58ebc486f
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
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

Modify Existing Service

Registry Run Keys / Startup Folder

Privilege Escalation

New Service

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks

static1

behavioral1

tofseeevasionpersistencetrojan

behavioral2

tofseeevasionpersistencetrojan