Overview

overview

10

Static

static

3

0a997b7a64...18.exe

windows7-x64

10

0a997b7a64...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0a997b7a64cc868fdf8f462d7d64b39c_JaffaCakes118

  • Size

    11.7MB

  • Sample

    240624-yvnkeatemn

  • MD5

    0a997b7a64cc868fdf8f462d7d64b39c

  • SHA1

    d3fa7d86bbc79eddc267c9609a1a396944033fcf

  • SHA256

    c7b71ddfb4b1d6b5f25866b12c5c2ea486242cad1b094b36f465a2313b85daea

  • SHA512

    cc4ecc5ee660f131bd9a9326297c9efd69772482aed6373e408d6b4620523a451b9cf83164e945d940cf3ebd43a96c44d19eb40a121405ef568a95084c12bb2d

  • SSDEEP

    196608:7tPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPX:7

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      0a997b7a64cc868fdf8f462d7d64b39c_JaffaCakes118

    • Size

      11.7MB

    • MD5

      0a997b7a64cc868fdf8f462d7d64b39c

    • SHA1

      d3fa7d86bbc79eddc267c9609a1a396944033fcf

    • SHA256

      c7b71ddfb4b1d6b5f25866b12c5c2ea486242cad1b094b36f465a2313b85daea

    • SHA512

      cc4ecc5ee660f131bd9a9326297c9efd69772482aed6373e408d6b4620523a451b9cf83164e945d940cf3ebd43a96c44d19eb40a121405ef568a95084c12bb2d

    • SSDEEP

      196608:7tPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPX:7

    Score
    10/10
    tofseeevasionexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Creates new service(s)

      persistenceexecution

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks