Overview

overview

10

Static

static

3

f3c8d32572...18.exe

windows7-x64

10

f3c8d32572...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3c8d3257218a2b7afc8a4c8e9c77d3f_JaffaCakes118

  • Size

    12.2MB

  • Sample

    240416-szgprsfc4w

  • MD5

    f3c8d3257218a2b7afc8a4c8e9c77d3f

  • SHA1

    8667190ac0beb9d575f3ae8ca1690498d2ab0dd5

  • SHA256

    1f0454306dcfba27f8b800e1afaf802d1a88b92e2a096cab863fc26ed8fdc7b0

  • SHA512

    019a0d7dd5e4c3ef7c167e4186cadb39e9042dda7592a0550f3993f7336997ac342c76309857bdd1b28bce87ed03ad80cd000d4c53755640c3855c54c48c32bb

  • SSDEEP

    6144:MgZQZcij488Ua7qY57rMzCo8AqtSRV+a1Q:LZij488UaWYMzB5HRV+g

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f3c8d3257218a2b7afc8a4c8e9c77d3f_JaffaCakes118

    • Size

      12.2MB

    • MD5

      f3c8d3257218a2b7afc8a4c8e9c77d3f

    • SHA1

      8667190ac0beb9d575f3ae8ca1690498d2ab0dd5

    • SHA256

      1f0454306dcfba27f8b800e1afaf802d1a88b92e2a096cab863fc26ed8fdc7b0

    • SHA512

      019a0d7dd5e4c3ef7c167e4186cadb39e9042dda7592a0550f3993f7336997ac342c76309857bdd1b28bce87ed03ad80cd000d4c53755640c3855c54c48c32bb

    • SSDEEP

      6144:MgZQZcij488Ua7qY57rMzCo8AqtSRV+a1Q:LZij488UaWYMzB5HRV+g

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks