tofsee | c9bb0f5190af364135375275be990f63233814ea6fab7ddaa4b2d21895945077 | Triage

Sharing

General

Target

82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118
Size

142KB
Sample

240530-d5hrpaea22
MD5

82ea87954b04fc372f6d7742c9a8c1ba
SHA1

3a5a3225a254b8439f4b47547cee90693fe54d71
SHA256

c9bb0f5190af364135375275be990f63233814ea6fab7ddaa4b2d21895945077
SHA512

98b62922cdd6fc243a4d1fe7ad2da5d71f11f8d6b92193d093dadd8cce9a240dbd5eae3b07c432c6b2ab5ff549946bc89d1bb8f025b1f409df74bcdd00f673c3
SSDEEP

3072:kO8/FLfgT6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:w9NzwFLnKP46uC

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118
- Size
  
  142KB
- MD5
  
  82ea87954b04fc372f6d7742c9a8c1ba
- SHA1
  
  3a5a3225a254b8439f4b47547cee90693fe54d71
- SHA256
  
  c9bb0f5190af364135375275be990f63233814ea6fab7ddaa4b2d21895945077
- SHA512
  
  98b62922cdd6fc243a4d1fe7ad2da5d71f11f8d6b92193d093dadd8cce9a240dbd5eae3b07c432c6b2ab5ff549946bc89d1bb8f025b1f409df74bcdd00f673c3
- SSDEEP
  
  3072:kO8/FLfgT6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:w9NzwFLnKP46uC
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