tofsee | 58aa25180cf5775c92f460b11fcecd58f5bc03ebd03848b1e025c09864158b1c | Triage

Sharing

General

Target

fee7407aceb4cdb6521f6729e4e819c3_JaffaCakes118
Size

10.3MB
Sample

240421-krpfmsfg9w
MD5

fee7407aceb4cdb6521f6729e4e819c3
SHA1

c3b6fa6d67cf29c1ba69938658b6e1f6bd6169ce
SHA256

58aa25180cf5775c92f460b11fcecd58f5bc03ebd03848b1e025c09864158b1c
SHA512

e6f0bb159d4f42c68229a9794cdfdcfbb2c8835d63495b4766b5fc757525cdcbe4052300e89fa7ada68212b5e1e84e0dfed71655cdf972a9bf71cb659807a8da
SSDEEP

24576:XjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:X/D

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

- Target
  
  fee7407aceb4cdb6521f6729e4e819c3_JaffaCakes118
- Size
  
  10.3MB
- MD5
  
  fee7407aceb4cdb6521f6729e4e819c3
- SHA1
  
  c3b6fa6d67cf29c1ba69938658b6e1f6bd6169ce
- SHA256
  
  58aa25180cf5775c92f460b11fcecd58f5bc03ebd03848b1e025c09864158b1c
- SHA512
  
  e6f0bb159d4f42c68229a9794cdfdcfbb2c8835d63495b4766b5fc757525cdcbe4052300e89fa7ada68212b5e1e84e0dfed71655cdf972a9bf71cb659807a8da
- SSDEEP
  
  24576:XjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:X/D
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