tofsee | 0d371a108223b043a6f04373b049548bbf1ea70acb13235bf38746f3b95e4743 | Triage

Sharing

General

Target

2024-06-15_8c3fa6fe70a4c5270a2b9c86d874d0cb_mafia
Size

14.2MB
Sample

240615-yqcmcasgnh
MD5

8c3fa6fe70a4c5270a2b9c86d874d0cb
SHA1

c6ef5d44c3822e21c25e272eb9cd287485972ad0
SHA256

0d371a108223b043a6f04373b049548bbf1ea70acb13235bf38746f3b95e4743
SHA512

c2e3548eef8fef1b1f0b9ee77c9d91baa08ffca1def580f0eadd31b4b0793e60ea78004f381fe7e0d446603a754befad9b6ba730369043c73ae9589cb5a50251
SSDEEP

6144:/+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:/+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  2024-06-15_8c3fa6fe70a4c5270a2b9c86d874d0cb_mafia
- Size
  
  14.2MB
- MD5
  
  8c3fa6fe70a4c5270a2b9c86d874d0cb
- SHA1
  
  c6ef5d44c3822e21c25e272eb9cd287485972ad0
- SHA256
  
  0d371a108223b043a6f04373b049548bbf1ea70acb13235bf38746f3b95e4743
- SHA512
  
  c2e3548eef8fef1b1f0b9ee77c9d91baa08ffca1def580f0eadd31b4b0793e60ea78004f381fe7e0d446603a754befad9b6ba730369043c73ae9589cb5a50251
- SSDEEP
  
  6144:/+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:/+r1IeSXMXc7LlxWV4Ug97GZ+ej
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