tofsee | c95876b37d090034446c2d94dae77ffd8eda405ea99b333285491d67fa4fa757 | Triage

Sharing

General

Target

f209de2b20a674e93e3296af504c17cd_JaffaCakes118
Size

11.7MB
Sample

240415-124w3shf87
MD5

f209de2b20a674e93e3296af504c17cd
SHA1

7226e347ec585b1cc46cbb043ded6a49f571c805
SHA256

c95876b37d090034446c2d94dae77ffd8eda405ea99b333285491d67fa4fa757
SHA512

1b7d954fa8a118503a7816ba394136a8055bd6d2fe6d2d650088750b4d35973227e15781e41ce044fbc151e7f833e6d7c381ab9acf48aa4e77e47c77566b6d92
SSDEEP

12288:Ge/GBGOCZ7s3WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWy:EIdZ7

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

- Target
  
  f209de2b20a674e93e3296af504c17cd_JaffaCakes118
- Size
  
  11.7MB
- MD5
  
  f209de2b20a674e93e3296af504c17cd
- SHA1
  
  7226e347ec585b1cc46cbb043ded6a49f571c805
- SHA256
  
  c95876b37d090034446c2d94dae77ffd8eda405ea99b333285491d67fa4fa757
- SHA512
  
  1b7d954fa8a118503a7816ba394136a8055bd6d2fe6d2d650088750b4d35973227e15781e41ce044fbc151e7f833e6d7c381ab9acf48aa4e77e47c77566b6d92
- SSDEEP
  
  12288:Ge/GBGOCZ7s3WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWy:EIdZ7
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