tofsee | 71f4ed14754453be26ce5dd9cf9fe487ca3a242d22647fe53906aa50f344346f | Triage

Sharing

General

Target

f9d886d091d96c96cc24949f988ff3a7
Size

12.3MB
Sample

201214-tsg1rxrkbj
MD5

f9d886d091d96c96cc24949f988ff3a7
SHA1

37ee93ecf629f009e8d8e1eefc5c7511d1e87c33
SHA256

71f4ed14754453be26ce5dd9cf9fe487ca3a242d22647fe53906aa50f344346f
SHA512

99ef2552c4ddd4db73f1562a838fc1edcb51059b9e5a2ff6feca54a59daff1b293403a9fbb512422d31f16538c74ae0d1fe9e511e0b19897b9c4c8087cb1dca2

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  f9d886d091d96c96cc24949f988ff3a7
- Size
  
  12.3MB
- MD5
  
  f9d886d091d96c96cc24949f988ff3a7
- SHA1
  
  37ee93ecf629f009e8d8e1eefc5c7511d1e87c33
- SHA256
  
  71f4ed14754453be26ce5dd9cf9fe487ca3a242d22647fe53906aa50f344346f
- SHA512
  
  99ef2552c4ddd4db73f1562a838fc1edcb51059b9e5a2ff6feca54a59daff1b293403a9fbb512422d31f16538c74ae0d1fe9e511e0b19897b9c4c8087cb1dca2
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