tofsee | cba35a2e5c88c4b433d635d3321516b95421c97a026a6b6eb19417884e1ffe50 | Triage

Sharing

General

Target

fe27b377e9edd9ecaccec493a2d15b2c_JaffaCakes118
Size

10.1MB
Sample

240421-caxrpagc71
MD5

fe27b377e9edd9ecaccec493a2d15b2c
SHA1

4b4897923a21b80153888d0861baa9bfea6bc02b
SHA256

cba35a2e5c88c4b433d635d3321516b95421c97a026a6b6eb19417884e1ffe50
SHA512

6a2fea03da9079b8d4614fcbf148454aa820cd0cdb5b59b8407b2b216f7f672f76001873fb82be0530cb013022d0bf7c9f9eacb145e777a5c95ad2195d78949e
SSDEEP

98304:K2UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU0:K

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  fe27b377e9edd9ecaccec493a2d15b2c_JaffaCakes118
- Size
  
  10.1MB
- MD5
  
  fe27b377e9edd9ecaccec493a2d15b2c
- SHA1
  
  4b4897923a21b80153888d0861baa9bfea6bc02b
- SHA256
  
  cba35a2e5c88c4b433d635d3321516b95421c97a026a6b6eb19417884e1ffe50
- SHA512
  
  6a2fea03da9079b8d4614fcbf148454aa820cd0cdb5b59b8407b2b216f7f672f76001873fb82be0530cb013022d0bf7c9f9eacb145e777a5c95ad2195d78949e
- SSDEEP
  
  98304:K2UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU0:K
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