Overview

overview

10

Static

static

3

f3baa4ed45...18.exe

windows7-x64

10

f3baa4ed45...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118

  • Size

    344KB

  • Sample

    240416-schzbaee4v

  • MD5

    f3baa4ed45dc9d0b254f70e6e4b0ac0f

  • SHA1

    b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe

  • SHA256

    16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

  • SHA512

    13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a

  • SSDEEP

    6144:BPhtfImvvB2SRwvGklHadh1jCTz9Up+pcBywGFIutJ1H:BXIuvBPRw+klH+PjCn9UpJBlGO

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      f3baa4ed45dc9d0b254f70e6e4b0ac0f_JaffaCakes118

    • Size

      344KB

    • MD5

      f3baa4ed45dc9d0b254f70e6e4b0ac0f

    • SHA1

      b3aa03c4bebf4d65227f54f2cafd1e50daa8aebe

    • SHA256

      16fdbb6f45f722fffffafa455e8c5dd268c895e6b050031f40ab557be5240332

    • SHA512

      13d2af499e0ae5819ced2d9086926dbd73259efa24e64705651899f6f1d730e8ed0b36d3438d4271a9254979f132523a3fb9f0994bb77a2a1d2105618f0bbb4a

    • SSDEEP

      6144:BPhtfImvvB2SRwvGklHadh1jCTz9Up+pcBywGFIutJ1H:BXIuvBPRw+klH+PjCn9UpJBlGO

    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

    • 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

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