tofsee | 5904e1ce6715d90d01f24f33168326b95b1096de8fbb7d4ec670516e1249587a | Triage

Sharing

General

Target

f2e10e6ce6156dc38f07293998121415_JaffaCakes118
Size

11.6MB
Sample

240416-g3294adb4y
MD5

f2e10e6ce6156dc38f07293998121415
SHA1

0367b75e7cc5eac8322c18c711144e0b14868e8b
SHA256

5904e1ce6715d90d01f24f33168326b95b1096de8fbb7d4ec670516e1249587a
SHA512

016dcff3b313312297f315be1c10c0bccdf23dee9e2288b4087592e788cf7963575cbdf896dcfdc6745f1d6c298c0f210f436c8bc0e5d6a1fb68150cce97a2ee
SSDEEP

24576:zfARRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR3:z

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  f2e10e6ce6156dc38f07293998121415_JaffaCakes118
- Size
  
  11.6MB
- MD5
  
  f2e10e6ce6156dc38f07293998121415
- SHA1
  
  0367b75e7cc5eac8322c18c711144e0b14868e8b
- SHA256
  
  5904e1ce6715d90d01f24f33168326b95b1096de8fbb7d4ec670516e1249587a
- SHA512
  
  016dcff3b313312297f315be1c10c0bccdf23dee9e2288b4087592e788cf7963575cbdf896dcfdc6745f1d6c298c0f210f436c8bc0e5d6a1fb68150cce97a2ee
- SSDEEP
  
  24576:zfARRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR3:z
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