Overview

overview

10

Static

static

3

fb53a36456...18.exe

windows7-x64

10

fb53a36456...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb53a3645626f491923c495997330c8d_JaffaCakes118

  • Size

    14.8MB

  • Sample

    240419-2m2c3shd88

  • MD5

    fb53a3645626f491923c495997330c8d

  • SHA1

    da6c44e90b85ea788c4076b7ed67d1b02213ccfe

  • SHA256

    ad93fa58692bf500dc7f4a54513d87f0cceeaf9a955bc3d366abd2e2bbcaeedb

  • SHA512

    311e78a1740839ff21a31f1082d881ce31157c11767b901bef6232b9afd34e7fe18d93badf8f54d65ef4ec1d64dcfdf7ec6cc9f1ee25429fe9c51342b0926a37

  • SSDEEP

    24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:P/D

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fb53a3645626f491923c495997330c8d_JaffaCakes118

    • Size

      14.8MB

    • MD5

      fb53a3645626f491923c495997330c8d

    • SHA1

      da6c44e90b85ea788c4076b7ed67d1b02213ccfe

    • SHA256

      ad93fa58692bf500dc7f4a54513d87f0cceeaf9a955bc3d366abd2e2bbcaeedb

    • SHA512

      311e78a1740839ff21a31f1082d881ce31157c11767b901bef6232b9afd34e7fe18d93badf8f54d65ef4ec1d64dcfdf7ec6cc9f1ee25429fe9c51342b0926a37

    • SSDEEP

      24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:P/D

    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