tofsee | 8ccd499069ecdfbdc6b48d295d5e258acf967a60edf962057a74983cd4978708 | Triage

Sharing

General

Target

ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118
Size

10.3MB
Sample

240421-tqhfdafb9v
MD5

ffadb7d3707426c5b9998e00b4bea27a
SHA1

561627848b9e53958b25cca7012fbf42684cec57
SHA256

8ccd499069ecdfbdc6b48d295d5e258acf967a60edf962057a74983cd4978708
SHA512

aab949615741b62cc70392c5f133493c624de74f37797664585619d899144628d4ceebdd560b6884b523ab2701ae6703849d419a30c50d7c7e4996d3a8eee480
SSDEEP

49152:0c67fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffX:0c6

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

- Target
  
  ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118
- Size
  
  10.3MB
- MD5
  
  ffadb7d3707426c5b9998e00b4bea27a
- SHA1
  
  561627848b9e53958b25cca7012fbf42684cec57
- SHA256
  
  8ccd499069ecdfbdc6b48d295d5e258acf967a60edf962057a74983cd4978708
- SHA512
  
  aab949615741b62cc70392c5f133493c624de74f37797664585619d899144628d4ceebdd560b6884b523ab2701ae6703849d419a30c50d7c7e4996d3a8eee480
- SSDEEP
  
  49152:0c67fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffX:0c6
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
- 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

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

tofseeevasionpersistencetrojan

behavioral2

tofseeevasionpersistencetrojan