tofsee | 1ee5207bd0caade171fdc1cc1c6bf2aa634074aa4277d32999960e783469a893 | Triage

Sharing

General

Target

ffc07c695d3f80411ac1af69306506e7_JaffaCakes118
Size

14.0MB
Sample

240421-vjhm8sga21
MD5

ffc07c695d3f80411ac1af69306506e7
SHA1

4cbf4fc16ede20f39852c86cbbf31a3880125f1c
SHA256

1ee5207bd0caade171fdc1cc1c6bf2aa634074aa4277d32999960e783469a893
SHA512

a4236cf75a02f791d74ccb55623bce0aa38157ebfd20c2d68399e7caa0e2bc4d980817dec92729bc4ed751425d498204c1d5a24eb44936342e7e447bf5a13f13
SSDEEP

49152:B05XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:B0

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

- Target
  
  ffc07c695d3f80411ac1af69306506e7_JaffaCakes118
- Size
  
  14.0MB
- MD5
  
  ffc07c695d3f80411ac1af69306506e7
- SHA1
  
  4cbf4fc16ede20f39852c86cbbf31a3880125f1c
- SHA256
  
  1ee5207bd0caade171fdc1cc1c6bf2aa634074aa4277d32999960e783469a893
- SHA512
  
  a4236cf75a02f791d74ccb55623bce0aa38157ebfd20c2d68399e7caa0e2bc4d980817dec92729bc4ed751425d498204c1d5a24eb44936342e7e447bf5a13f13
- SSDEEP
  
  49152:B05XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXn:B0
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