tofsee | 2892fcb514031795be8f62a7c309a5fe80279066517fd8bd219f2e0f31fb4042 | Triage

Sharing

General

Target

8ae987e80e12b61362f37b47ea603a71_JaffaCakes118
Size

142KB
Sample

240601-szxqzsgc87
MD5

8ae987e80e12b61362f37b47ea603a71
SHA1

29a2d26bf4d8a74d4ded2bba39af14e2af83016e
SHA256

2892fcb514031795be8f62a7c309a5fe80279066517fd8bd219f2e0f31fb4042
SHA512

d47df314643d82af87feb43f79ae5fef1ad61aa449755d0d73abee307bdc93fbcb53529c7fe8039e7bfb051d8041b084b3efd00d868377881b6c46b86c0f6ef7
SSDEEP

3072:i9Tpm/Wn6280tMkFG6ASkHDmdxPvrknn3ost0rpNU99f:9eJLHkjmbwn3ojNg

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  8ae987e80e12b61362f37b47ea603a71_JaffaCakes118
- Size
  
  142KB
- MD5
  
  8ae987e80e12b61362f37b47ea603a71
- SHA1
  
  29a2d26bf4d8a74d4ded2bba39af14e2af83016e
- SHA256
  
  2892fcb514031795be8f62a7c309a5fe80279066517fd8bd219f2e0f31fb4042
- SHA512
  
  d47df314643d82af87feb43f79ae5fef1ad61aa449755d0d73abee307bdc93fbcb53529c7fe8039e7bfb051d8041b084b3efd00d868377881b6c46b86c0f6ef7
- SSDEEP
  
  3072:i9Tpm/Wn6280tMkFG6ASkHDmdxPvrknn3ost0rpNU99f:9eJLHkjmbwn3ojNg
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