tofsee | dffa7c3f427791f3aeb3fe6d000d226fcafa5adefadedc8a8b030cb997d7a315 | Triage

Sharing

General

Target

f914186ccbdfd07ad5d83756aec22683_JaffaCakes118
Size

10.7MB
Sample

240419-amka1sca9s
MD5

f914186ccbdfd07ad5d83756aec22683
SHA1

afbda57591f20395314fcb02dc2e8901e82109f8
SHA256

dffa7c3f427791f3aeb3fe6d000d226fcafa5adefadedc8a8b030cb997d7a315
SHA512

5fe1598a516bc3bd80e5214df084052ec870cf110b83fd491c94dcc44541dedb144c125e7c9957b550c82ea6a416c56acd139393f4c32d07127c65494f8b7687
SSDEEP

24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeG:P/D

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

- Target
  
  f914186ccbdfd07ad5d83756aec22683_JaffaCakes118
- Size
  
  10.7MB
- MD5
  
  f914186ccbdfd07ad5d83756aec22683
- SHA1
  
  afbda57591f20395314fcb02dc2e8901e82109f8
- SHA256
  
  dffa7c3f427791f3aeb3fe6d000d226fcafa5adefadedc8a8b030cb997d7a315
- SHA512
  
  5fe1598a516bc3bd80e5214df084052ec870cf110b83fd491c94dcc44541dedb144c125e7c9957b550c82ea6a416c56acd139393f4c32d07127c65494f8b7687
- SSDEEP
  
  24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeG:P/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