tofsee | defcae648b60667a34979197565eee606c992efda1816a4ad7b00991f208eae3 | Triage

Sharing

General

Target

2024-06-13_ba6bc5af556a7e2bff5c50e101b64567_mafia
Size

12.6MB
Sample

240613-mnztbayhjn
MD5

ba6bc5af556a7e2bff5c50e101b64567
SHA1

4ff3686f985037568a519a805d6c626ee73c406d
SHA256

defcae648b60667a34979197565eee606c992efda1816a4ad7b00991f208eae3
SHA512

2f166ded57e325e261920420c61770897d6a224e9a95de7f452258e74264622b12e340259f4602ce8578e390d9ab468ee2e340171cdfc549ee3a76f61d58465a
SSDEEP

6144:i+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:i+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  2024-06-13_ba6bc5af556a7e2bff5c50e101b64567_mafia
- Size
  
  12.6MB
- MD5
  
  ba6bc5af556a7e2bff5c50e101b64567
- SHA1
  
  4ff3686f985037568a519a805d6c626ee73c406d
- SHA256
  
  defcae648b60667a34979197565eee606c992efda1816a4ad7b00991f208eae3
- SHA512
  
  2f166ded57e325e261920420c61770897d6a224e9a95de7f452258e74264622b12e340259f4602ce8578e390d9ab468ee2e340171cdfc549ee3a76f61d58465a
- SSDEEP
  
  6144:i+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:i+r1IeSXMXc7LlxWV4Ug97GZ+ej
Score

10^/10

tofsee evasion execution 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 execution
- 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.
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

Service Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

tofseeevasionexecutionpersistencetrojan

behavioral2

tofseeevasionexecutionpersistencetrojan