Overview

overview

10

Static

static

3

8fa767bca8...18.exe

windows7-x64

10

8fa767bca8...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8fa767bca8dd884d7f22e459bc007494_JaffaCakes118

  • Size

    142KB

  • Sample

    240602-2d7thahc8z

  • MD5

    8fa767bca8dd884d7f22e459bc007494

  • SHA1

    d654e967b2aed350e86eb41db5541fa59abd7519

  • SHA256

    d5e55dd60163279a4f8eb9e7835b3757652773a4d1ebb344fce4cebc8598bf06

  • SHA512

    3a9e75ea9fb84513a4865666d502951a776fdc2979eb037f9d49b77e27567dbb03df8cb869a9bfaab6c7d85877372f6a935cb745f0a5685c03d4db6d782a5f14

  • SSDEEP

    3072:a9Tpm/Wn6286tMkFG6ASkHDmdxPvrknn3ost0rpNUN9f:1ejLHkjmbwn3ojNQ

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      8fa767bca8dd884d7f22e459bc007494_JaffaCakes118

    • Size

      142KB

    • MD5

      8fa767bca8dd884d7f22e459bc007494

    • SHA1

      d654e967b2aed350e86eb41db5541fa59abd7519

    • SHA256

      d5e55dd60163279a4f8eb9e7835b3757652773a4d1ebb344fce4cebc8598bf06

    • SHA512

      3a9e75ea9fb84513a4865666d502951a776fdc2979eb037f9d49b77e27567dbb03df8cb869a9bfaab6c7d85877372f6a935cb745f0a5685c03d4db6d782a5f14

    • SSDEEP

      3072:a9Tpm/Wn6286tMkFG6ASkHDmdxPvrknn3ost0rpNUN9f:1ejLHkjmbwn3ojNQ

    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