Overview

overview

10

Static

static

10

52fc71ee76...18.exe

windows7-x64

10

52fc71ee76...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    52fc71ee762212ee681435ac2cfcea35_JaffaCakes118

  • Size

    12.7MB

  • Sample

    240518-etfzdsbd71

  • MD5

    52fc71ee762212ee681435ac2cfcea35

  • SHA1

    2ce2840c6f1a8f9816005dfe3c0cd64758710896

  • SHA256

    e9aae4db1a7f9f0d0b66bab9b74f416fb3fc378acc1eadf328df1887662b3fc3

  • SHA512

    ddc8eaa83b079d09c81cb769bf6eedcd92d799f986b303a67e0a966a4656ea64ae9dc78ad0b3b4fb65369a38524cb66b3b2b42a711e9347bc38014c10314a67e

  • SSDEEP

    6144:B5VCb4QuzFJpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzD:X8NKFJp

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      52fc71ee762212ee681435ac2cfcea35_JaffaCakes118

    • Size

      12.7MB

    • MD5

      52fc71ee762212ee681435ac2cfcea35

    • SHA1

      2ce2840c6f1a8f9816005dfe3c0cd64758710896

    • SHA256

      e9aae4db1a7f9f0d0b66bab9b74f416fb3fc378acc1eadf328df1887662b3fc3

    • SHA512

      ddc8eaa83b079d09c81cb769bf6eedcd92d799f986b303a67e0a966a4656ea64ae9dc78ad0b3b4fb65369a38524cb66b3b2b42a711e9347bc38014c10314a67e

    • SSDEEP

      6144:B5VCb4QuzFJpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzD:X8NKFJp

    Score
    10/10
    tofseeevasionexecutionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

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