tofsee | cb3485d42a7e3dba0829372489b8869c9abe0b157911167006e6c823a22b1986 | Triage

Sharing

General

Target

e1eab3b0646918e3a8ed12fd0eac60d9
Size

11.3MB
Sample

201214-g1qg49zqkx
MD5

e1eab3b0646918e3a8ed12fd0eac60d9
SHA1

2ac956c2328844a0ec637ec0d847a260a9ecb4bc
SHA256

cb3485d42a7e3dba0829372489b8869c9abe0b157911167006e6c823a22b1986
SHA512

73d1a86a918424c2f3f8e71e2734c4855824124e80ff2f12897c7d94b3621f13dcd1bb7084b9e8812b5664f33efea7570b878001aaabb491b7b8caf4653f9579

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  e1eab3b0646918e3a8ed12fd0eac60d9
- Size
  
  11.3MB
- MD5
  
  e1eab3b0646918e3a8ed12fd0eac60d9
- SHA1
  
  2ac956c2328844a0ec637ec0d847a260a9ecb4bc
- SHA256
  
  cb3485d42a7e3dba0829372489b8869c9abe0b157911167006e6c823a22b1986
- SHA512
  
  73d1a86a918424c2f3f8e71e2734c4855824124e80ff2f12897c7d94b3621f13dcd1bb7084b9e8812b5664f33efea7570b878001aaabb491b7b8caf4653f9579
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