tofsee | 7e960dc939bb25b670835c4733e0d74307ca19b5455fd6d51a75f073d7ab17fd | Triage

Sharing

General

Target

f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118
Size

14.1MB
Sample

240416-k7eldafh81
MD5

f329f7e7424442e2f3b4f34e0bd50041
SHA1

b861682fbd1c1a764cf3bda739c7411e6bb8e716
SHA256

7e960dc939bb25b670835c4733e0d74307ca19b5455fd6d51a75f073d7ab17fd
SHA512

f655bfbc6f32d70959b185202b7d5a37104002d53cff7edd306e7bf5cd36fdd3862e67890838a9ecaea4142cf2de8074e2eee64ff1804bb24a93931f72d2b81c
SSDEEP

24576:cjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeev:c/D

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

- Target
  
  f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118
- Size
  
  14.1MB
- MD5
  
  f329f7e7424442e2f3b4f34e0bd50041
- SHA1
  
  b861682fbd1c1a764cf3bda739c7411e6bb8e716
- SHA256
  
  7e960dc939bb25b670835c4733e0d74307ca19b5455fd6d51a75f073d7ab17fd
- SHA512
  
  f655bfbc6f32d70959b185202b7d5a37104002d53cff7edd306e7bf5cd36fdd3862e67890838a9ecaea4142cf2de8074e2eee64ff1804bb24a93931f72d2b81c
- SSDEEP
  
  24576:cjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeev:c/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