Overview

overview

10

Static

static

5180841adc...3d.exe

windows7-x64

10

5180841adc...3d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5180841adc8b05306e558987b811386d6ce6a6306f99b34c8bcfe70256d7493d

  • Size

    143KB

  • Sample

    220718-r866cafbd4

  • MD5

    aa26771afab30b105973b298705f5c6e

  • SHA1

    351cbad600bb9db991f16b2b32bceec3ddb05af3

  • SHA256

    5180841adc8b05306e558987b811386d6ce6a6306f99b34c8bcfe70256d7493d

  • SHA512

    ea3f95ec131d168189aae8757f90e10c16a3a7f732e1ee05951e4ec5de246298d5cf4266781c3ed8d28b07921093b166e642cfa76690128221ee69e15bf906e4

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      5180841adc8b05306e558987b811386d6ce6a6306f99b34c8bcfe70256d7493d

    • Size

      143KB

    • MD5

      aa26771afab30b105973b298705f5c6e

    • SHA1

      351cbad600bb9db991f16b2b32bceec3ddb05af3

    • SHA256

      5180841adc8b05306e558987b811386d6ce6a6306f99b34c8bcfe70256d7493d

    • SHA512

      ea3f95ec131d168189aae8757f90e10c16a3a7f732e1ee05951e4ec5de246298d5cf4266781c3ed8d28b07921093b166e642cfa76690128221ee69e15bf906e4

    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