tofsee | db29532b00f98cfbaf582b34fdf5725ffe0db23a1b0dc6c8aabcf947bd4c1fbe | Triage

Sharing

General

Target

ff4f7325080218c8d7dc46bb6bc646f0_JaffaCakes118
Size

14.9MB
Sample

240421-p2c8kscb7w
MD5

ff4f7325080218c8d7dc46bb6bc646f0
SHA1

85d94a850a8521727e3e0141cbd96770f486f195
SHA256

db29532b00f98cfbaf582b34fdf5725ffe0db23a1b0dc6c8aabcf947bd4c1fbe
SHA512

c7029c15430f0d9b3f9d9b7f2652f7f21d52a1454386cba515b933745b69749d6d80664ea0de9846c89c15b1568aafbef408c53183b67caab3863eb693aa6a30
SSDEEP

98304:djhd88888888888888888888888888888888888888888888888888888888888X:d

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

- Target
  
  ff4f7325080218c8d7dc46bb6bc646f0_JaffaCakes118
- Size
  
  14.9MB
- MD5
  
  ff4f7325080218c8d7dc46bb6bc646f0
- SHA1
  
  85d94a850a8521727e3e0141cbd96770f486f195
- SHA256
  
  db29532b00f98cfbaf582b34fdf5725ffe0db23a1b0dc6c8aabcf947bd4c1fbe
- SHA512
  
  c7029c15430f0d9b3f9d9b7f2652f7f21d52a1454386cba515b933745b69749d6d80664ea0de9846c89c15b1568aafbef408c53183b67caab3863eb693aa6a30
- SSDEEP
  
  98304:djhd88888888888888888888888888888888888888888888888888888888888X:d
Score

10^/10

tofsee evasion 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
- 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

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

tofseeevasionpersistencetrojan

behavioral2

tofseeevasionpersistencetrojan