Overview

overview

10

Static

static

3

ffa470cbfc...18.exe

windows7-x64

10

ffa470cbfc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ffa470cbfce681b6f27abc2b87469f19_JaffaCakes118

  • Size

    11.4MB

  • Sample

    240421-tdhklsee94

  • MD5

    ffa470cbfce681b6f27abc2b87469f19

  • SHA1

    65871c2c0aea1d37092757678f0f9a7e2e2407f2

  • SHA256

    9b2631f5c99866630dd888cf3f9f19a016c1ca94f759fb4943ceb337dbe9d10c

  • SHA512

    ea45f99101473888a022e87b16c651f513e8e1b03675e217f17d722e3cc9329381a0587a8ad5ba8142c1f1649042e25689c43c32b0d68ece0373bf6cefee6dd7

  • SSDEEP

    98304:eNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllp:sW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      ffa470cbfce681b6f27abc2b87469f19_JaffaCakes118

    • Size

      11.4MB

    • MD5

      ffa470cbfce681b6f27abc2b87469f19

    • SHA1

      65871c2c0aea1d37092757678f0f9a7e2e2407f2

    • SHA256

      9b2631f5c99866630dd888cf3f9f19a016c1ca94f759fb4943ceb337dbe9d10c

    • SHA512

      ea45f99101473888a022e87b16c651f513e8e1b03675e217f17d722e3cc9329381a0587a8ad5ba8142c1f1649042e25689c43c32b0d68ece0373bf6cefee6dd7

    • SSDEEP

      98304:eNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllp:sW

    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