tofsee | 2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11 | Triage

Sharing

General

Target

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11
Size

103KB
Sample

220622-qzyxyafhfj
MD5

0d7924f368e097b7215e3ceaebf63239
SHA1

c52b9ec4595c36c10155a1238ecfe6edff3b2b57
SHA256

2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11
SHA512

0bc7787b6cb275e092d433f947a7224eaf262fd8ee796e7ef7dddf19291d7887e9355ba796d3e1925cdb0cc0c9be6a5adca26673538ce1cbcaa1e4dd065d52d6

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11
- Size
  
  103KB
- MD5
  
  0d7924f368e097b7215e3ceaebf63239
- SHA1
  
  c52b9ec4595c36c10155a1238ecfe6edff3b2b57
- SHA256
  
  2dc8f08c0fa9a23adfb1420d40d8eca21e714c26231fc5fdba03f7a89f965f11
- SHA512
  
  0bc7787b6cb275e092d433f947a7224eaf262fd8ee796e7ef7dddf19291d7887e9355ba796d3e1925cdb0cc0c9be6a5adca26673538ce1cbcaa1e4dd065d52d6
Score

10^/10

tofsee evasion persistence trojan
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Creates new service(s)
  persistence
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks

static1

behavioral1

behavioral2

tofseeevasionpersistencetrojan