tofsee | ba9da660fce6bc22eae29f80bacde100bbcaa748c675e68bcfaa04ccaaf2f20b | Triage

Sharing

General

Target

b2ff3c3152615f2ebb1b04f4f1912e3d_JaffaCakes118
Size

120KB
Sample

240616-mdtvbatclq
MD5

b2ff3c3152615f2ebb1b04f4f1912e3d
SHA1

811d816320a6bfcc6198db38bb0d6176b6d73460
SHA256

ba9da660fce6bc22eae29f80bacde100bbcaa748c675e68bcfaa04ccaaf2f20b
SHA512

f500c49b05ecea5be31ef9e31e0295812c68ab066d9410b24ab9d6fdce94ab00b2248b50bf7fde1fff529b3ed01cd25ea906fb1ec508ffbc4e128736280b3a3d
SSDEEP

1536:GCt2rSASlezj33Yh/2haLYmOlxmvOmxdXWXixGE9bz+rXzJ3Jft1VGV:ySAgowga2DmvOOdXWGDl+TzJ3htXG

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  b2ff3c3152615f2ebb1b04f4f1912e3d_JaffaCakes118
- Size
  
  120KB
- MD5
  
  b2ff3c3152615f2ebb1b04f4f1912e3d
- SHA1
  
  811d816320a6bfcc6198db38bb0d6176b6d73460
- SHA256
  
  ba9da660fce6bc22eae29f80bacde100bbcaa748c675e68bcfaa04ccaaf2f20b
- SHA512
  
  f500c49b05ecea5be31ef9e31e0295812c68ab066d9410b24ab9d6fdce94ab00b2248b50bf7fde1fff529b3ed01cd25ea906fb1ec508ffbc4e128736280b3a3d
- SSDEEP
  
  1536:GCt2rSASlezj33Yh/2haLYmOlxmvOmxdXWXixGE9bz+rXzJ3Jft1VGV:ySAgowga2DmvOOdXWGDl+TzJ3htXG
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