Overview

overview

10

Static

static

3

fbf7f5a1d6...18.exe

windows7-x64

10

fbf7f5a1d6...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fbf7f5a1d66ec9bd0a2e87620f4b6436_JaffaCakes118

  • Size

    11.5MB

  • Sample

    240420-fh6akshg9v

  • MD5

    fbf7f5a1d66ec9bd0a2e87620f4b6436

  • SHA1

    7ba7cb141c344e42e70fa8aeaadfbc67cb5a7556

  • SHA256

    dacb0e8a5b8abd37770016b0ea137fe0ddc7a098a00fdcf37246daca01b15762

  • SHA512

    31180bfc9255be6f8f02780793492ebe28d56725819eb181d0289f2e1e260e4109c1a0f37c540ffd237164afc656fff6a8a9b31c9fcb6bc140d9110d0d75315c

  • SSDEEP

    24576:DjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:D/D

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fbf7f5a1d66ec9bd0a2e87620f4b6436_JaffaCakes118

    • Size

      11.5MB

    • MD5

      fbf7f5a1d66ec9bd0a2e87620f4b6436

    • SHA1

      7ba7cb141c344e42e70fa8aeaadfbc67cb5a7556

    • SHA256

      dacb0e8a5b8abd37770016b0ea137fe0ddc7a098a00fdcf37246daca01b15762

    • SHA512

      31180bfc9255be6f8f02780793492ebe28d56725819eb181d0289f2e1e260e4109c1a0f37c540ffd237164afc656fff6a8a9b31c9fcb6bc140d9110d0d75315c

    • SSDEEP

      24576:DjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee+:D/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