tofsee | d070f43729c000ac138d6666b1ec932d5b513f94fd4eeba1f549811146a25a01 | Triage

Sharing

General

Target

f8cc259a0c835f7c01a3d4a76fbbf0e9_JaffaCakes118
Size

13.4MB
Sample

240418-1fxkwafe64
MD5

f8cc259a0c835f7c01a3d4a76fbbf0e9
SHA1

37bd6f7e3c970355684bbe521ade1bef750cea74
SHA256

d070f43729c000ac138d6666b1ec932d5b513f94fd4eeba1f549811146a25a01
SHA512

fadab6c9f3a4bba02ce0ea4a967aba52ed04ce0096796bce8d2cf66ff91a45767cde6ed646d672355afc74791f377fa2c02b499c6c2eb6490f7c7674396dce63
SSDEEP

24576:5Uqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmH:5F15

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

- Target
  
  f8cc259a0c835f7c01a3d4a76fbbf0e9_JaffaCakes118
- Size
  
  13.4MB
- MD5
  
  f8cc259a0c835f7c01a3d4a76fbbf0e9
- SHA1
  
  37bd6f7e3c970355684bbe521ade1bef750cea74
- SHA256
  
  d070f43729c000ac138d6666b1ec932d5b513f94fd4eeba1f549811146a25a01
- SHA512
  
  fadab6c9f3a4bba02ce0ea4a967aba52ed04ce0096796bce8d2cf66ff91a45767cde6ed646d672355afc74791f377fa2c02b499c6c2eb6490f7c7674396dce63
- SSDEEP
  
  24576:5Uqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmH:5F15
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