Overview

overview

10

Static

static

52a0608d22...fc.exe

windows7_x64

10

52a0608d22...fc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    52a0608d226a649ccb30988a282089b8fd97e3542dce93bfcac50846f2e318fc

  • Size

    10.6MB

  • Sample

    220605-dgd4labhfn

  • MD5

    c17c2659957ae4094d32ae28df21361d

  • SHA1

    0e51169e7914e136270f9af8b0a6afa62f81a7b1

  • SHA256

    52a0608d226a649ccb30988a282089b8fd97e3542dce93bfcac50846f2e318fc

  • SHA512

    1af79bfb17b659287108f772e14ea2444301ba3e7f069c72d3bd97b3940c445d03ed0ef49e7d13f52c159dc22e6802543363c3facb7b76e469e77a2214653271

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      52a0608d226a649ccb30988a282089b8fd97e3542dce93bfcac50846f2e318fc

    • Size

      10.6MB

    • MD5

      c17c2659957ae4094d32ae28df21361d

    • SHA1

      0e51169e7914e136270f9af8b0a6afa62f81a7b1

    • SHA256

      52a0608d226a649ccb30988a282089b8fd97e3542dce93bfcac50846f2e318fc

    • SHA512

      1af79bfb17b659287108f772e14ea2444301ba3e7f069c72d3bd97b3940c445d03ed0ef49e7d13f52c159dc22e6802543363c3facb7b76e469e77a2214653271

    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