tofsee | fa44c3d74032d310e5eb90bc9ae06088231806a236b67d1e85e3300423822608 | Triage

Sharing

General

Target

fa44c3d74032d310e5eb90bc9ae06088231806a236b67d1e85e3300423822608
Size

11.1MB
Sample

201115-eyh2cgrsaj
MD5

c04ab4bb4248155df99df2836f64f423
SHA1

18b0f2a014c60906b1ec632b50a086312cba9814
SHA256

fa44c3d74032d310e5eb90bc9ae06088231806a236b67d1e85e3300423822608
SHA512

08608cb9e8ad73f0e7c8e4214334ed53fc1a2ac5924b9c6f3d749ab14374edea119508fb54496808cb09b7eb9c75495dc85b5f367983890223d54ba407b550be

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Targets

- Target
  
  fa44c3d74032d310e5eb90bc9ae06088231806a236b67d1e85e3300423822608
- Size
  
  11.1MB
- MD5
  
  c04ab4bb4248155df99df2836f64f423
- SHA1
  
  18b0f2a014c60906b1ec632b50a086312cba9814
- SHA256
  
  fa44c3d74032d310e5eb90bc9ae06088231806a236b67d1e85e3300423822608
- SHA512
  
  08608cb9e8ad73f0e7c8e4214334ed53fc1a2ac5924b9c6f3d749ab14374edea119508fb54496808cb09b7eb9c75495dc85b5f367983890223d54ba407b550be
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
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Deletes itself
- Drops file in System32 directory
- Modifies service
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

New Service

Registry Run Keys / Startup Folder

Privilege Escalation

New Service

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

tofseeevasionpersistencetrojan

behavioral2

tofseeevasionpersistencetrojan