Overview

overview

10

Static

static

fe70a88244...5d.exe

windows7_x64

10

fe70a88244...5d.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    fe70a88244756a21fa321b27001ea72d524003de90356fa9797ce218c794ff5d

  • Size

    11.0MB

  • Sample

    220630-yhcx5saeck

  • MD5

    734c2faea43e5b51f8261cd2873bb940

  • SHA1

    3bb1bf5d3658bd1975fa35859d1ba35641735097

  • SHA256

    fe70a88244756a21fa321b27001ea72d524003de90356fa9797ce218c794ff5d

  • SHA512

    b77d4b10a09db22cb01f40fb1268ab05a335be58f6848b5978adfe25a8042ee73a9b1279aaffcbce24ba47232344c074787581b9bf47d09a70906dd55fcd173b

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fe70a88244756a21fa321b27001ea72d524003de90356fa9797ce218c794ff5d

    • Size

      11.0MB

    • MD5

      734c2faea43e5b51f8261cd2873bb940

    • SHA1

      3bb1bf5d3658bd1975fa35859d1ba35641735097

    • SHA256

      fe70a88244756a21fa321b27001ea72d524003de90356fa9797ce218c794ff5d

    • SHA512

      b77d4b10a09db22cb01f40fb1268ab05a335be58f6848b5978adfe25a8042ee73a9b1279aaffcbce24ba47232344c074787581b9bf47d09a70906dd55fcd173b

    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

    • Executes dropped EXE

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks