Overview

overview

10

Static

static

3

f284271435...18.exe

windows7-x64

10

f284271435...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f284271435132b9487ddf8dd41992578_JaffaCakes118

  • Size

    14.2MB

  • Sample

    240416-dbjf5aff38

  • MD5

    f284271435132b9487ddf8dd41992578

  • SHA1

    26ec52a5e08c3370a92e47b5f43a12057cbe8616

  • SHA256

    8a19788e6391d24385ece1dc77bb1a3f381bfd951faa17ce3925592842d19986

  • SHA512

    4027ec19d3371d2707855d1e709a48ac96e9c09251a57de035c5e2d0b10cb6ecdeddae9e6c235c524022ff305b794340815fa2ad40a7d6cf287f2304942a0687

  • SSDEEP

    196608:0zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f284271435132b9487ddf8dd41992578_JaffaCakes118

    • Size

      14.2MB

    • MD5

      f284271435132b9487ddf8dd41992578

    • SHA1

      26ec52a5e08c3370a92e47b5f43a12057cbe8616

    • SHA256

      8a19788e6391d24385ece1dc77bb1a3f381bfd951faa17ce3925592842d19986

    • SHA512

      4027ec19d3371d2707855d1e709a48ac96e9c09251a57de035c5e2d0b10cb6ecdeddae9e6c235c524022ff305b794340815fa2ad40a7d6cf287f2304942a0687

    • SSDEEP

      196608:0zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz:

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Creates new service(s)

      persistence

    • 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

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

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
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