Overview

overview

10

Static

static

3

fce2c4006e...18.exe

windows7-x64

10

fce2c4006e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fce2c4006ec80862de2dad2537422c1b_JaffaCakes118

  • Size

    14.1MB

  • Sample

    240420-qycnbaae51

  • MD5

    fce2c4006ec80862de2dad2537422c1b

  • SHA1

    2671a0fa2921d83c7a24e38d529b4f86c76876ea

  • SHA256

    9d9854a5672f5a0bcfe94537c97ddcd3d16b2320e1fc1b5952283b6e7259601f

  • SHA512

    1397044c98fc65a55507915b9da426ddef6abd15c798de5e91aa90a88478ba2d608c66c5e3c805cc4ce2c8ced4c5e557b23be08051a2c2a85bc73ae74d50405e

  • SSDEEP

    24576:3UqN67OT8888888888888888888888888888888888888888888888888888888U:3K7

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fce2c4006ec80862de2dad2537422c1b_JaffaCakes118

    • Size

      14.1MB

    • MD5

      fce2c4006ec80862de2dad2537422c1b

    • SHA1

      2671a0fa2921d83c7a24e38d529b4f86c76876ea

    • SHA256

      9d9854a5672f5a0bcfe94537c97ddcd3d16b2320e1fc1b5952283b6e7259601f

    • SHA512

      1397044c98fc65a55507915b9da426ddef6abd15c798de5e91aa90a88478ba2d608c66c5e3c805cc4ce2c8ced4c5e557b23be08051a2c2a85bc73ae74d50405e

    • SSDEEP

      24576:3UqN67OT8888888888888888888888888888888888888888888888888888888U:3K7

    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