Overview

overview

10

Static

static

3

fcd93bb91f...18.exe

windows7-x64

10

fcd93bb91f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fcd93bb91fe05aa7a08803ef9bcf651a_JaffaCakes118

  • Size

    13.1MB

  • Sample

    240420-qkbh4ahe93

  • MD5

    fcd93bb91fe05aa7a08803ef9bcf651a

  • SHA1

    cf910b3f0e207135296eb5d65e9bf1473581e3db

  • SHA256

    ce1ad5adf634559d6611de722ccc16690c0b1be6d6e05aa73a807dbacae6b15d

  • SHA512

    39cff9d762aef61ffa1486a646ef94132eb6888fc843562e8721c67ec9f720aaa2adc581fad48a95a298b0ba9da3ba61f6e3aed698418595af2b48be39909a3d

  • SSDEEP

    98304:TNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll5:xW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fcd93bb91fe05aa7a08803ef9bcf651a_JaffaCakes118

    • Size

      13.1MB

    • MD5

      fcd93bb91fe05aa7a08803ef9bcf651a

    • SHA1

      cf910b3f0e207135296eb5d65e9bf1473581e3db

    • SHA256

      ce1ad5adf634559d6611de722ccc16690c0b1be6d6e05aa73a807dbacae6b15d

    • SHA512

      39cff9d762aef61ffa1486a646ef94132eb6888fc843562e8721c67ec9f720aaa2adc581fad48a95a298b0ba9da3ba61f6e3aed698418595af2b48be39909a3d

    • SSDEEP

      98304:TNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll5:xW

    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