tofsee | 46ae28c9e478a566cf6b803f2abc498eeaeb6b579e81067a8a26d8669e930dd0 | Triage

Sharing

General

Target

f9c439a23d0f75c7943a026ea48d0847_JaffaCakes118
Size

10.4MB
Sample

240419-hv3rbsbe46
MD5

f9c439a23d0f75c7943a026ea48d0847
SHA1

ce770c46965b40fb20baf9d505460cd32dd9a039
SHA256

46ae28c9e478a566cf6b803f2abc498eeaeb6b579e81067a8a26d8669e930dd0
SHA512

db1f56477c9a1a13922a8de7255003f8ef25be035cf24b28f98b1c4bf287d05f6b6ded2fb1f7167dd46c539deaa3d8ef3177a1d7d7da74cfce8fe931de137aa5
SSDEEP

196608:3vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvm:3vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvm

Score

10^/10

tofsee evasion persistence trojan upx

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  f9c439a23d0f75c7943a026ea48d0847_JaffaCakes118
- Size
  
  10.4MB
- MD5
  
  f9c439a23d0f75c7943a026ea48d0847
- SHA1
  
  ce770c46965b40fb20baf9d505460cd32dd9a039
- SHA256
  
  46ae28c9e478a566cf6b803f2abc498eeaeb6b579e81067a8a26d8669e930dd0
- SHA512
  
  db1f56477c9a1a13922a8de7255003f8ef25be035cf24b28f98b1c4bf287d05f6b6ded2fb1f7167dd46c539deaa3d8ef3177a1d7d7da74cfce8fe931de137aa5
- SSDEEP
  
  196608:3vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvm:3vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvm
Score

10^/10

tofsee evasion persistence trojan upx
- 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
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- 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

tofseeevasionpersistencetrojanupx

behavioral2

tofseeevasionpersistencetrojanupx