tofsee | 9147b2e4d0e04f288700b09606af79a3fdab6b6e8e69495a8ef868481d544beb | Triage

Sharing

General

Target

8066071ebc2261fb9fa7bc095950e7a4_JaffaCakes118
Size

142KB
Sample

240529-mbk5dsbc4x
MD5

8066071ebc2261fb9fa7bc095950e7a4
SHA1

385ece42d14ed13dd1911bc78405448f2cc2c5d5
SHA256

9147b2e4d0e04f288700b09606af79a3fdab6b6e8e69495a8ef868481d544beb
SHA512

3b6061ccbc73cc280412177f7569f0af13d14c75425998f043702d97ac33d880ca2d2a21f3fadfa46acb266e82b75d9e2f811122daab48e7dac080bc67fa1511
SSDEEP

3072:LO8/FLfg76rzTkYfiL2+jKfgi4m5nuGFU6W6WN06b37:B9pzwFLnKP46uC

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  8066071ebc2261fb9fa7bc095950e7a4_JaffaCakes118
- Size
  
  142KB
- MD5
  
  8066071ebc2261fb9fa7bc095950e7a4
- SHA1
  
  385ece42d14ed13dd1911bc78405448f2cc2c5d5
- SHA256
  
  9147b2e4d0e04f288700b09606af79a3fdab6b6e8e69495a8ef868481d544beb
- SHA512
  
  3b6061ccbc73cc280412177f7569f0af13d14c75425998f043702d97ac33d880ca2d2a21f3fadfa46acb266e82b75d9e2f811122daab48e7dac080bc67fa1511
- SSDEEP
  
  3072:LO8/FLfg76rzTkYfiL2+jKfgi4m5nuGFU6W6WN06b37:B9pzwFLnKP46uC
Score

10^/10

tofsee evasion execution 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 execution
- 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

System Services

Service 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

tofseeevasionexecutionpersistencetrojan

behavioral2

tofseeevasionexecutionpersistencetrojan