Overview

overview

10

Static

static

3

f75d6b1dff...18.exe

windows7-x64

10

f75d6b1dff...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f75d6b1dffda8c5730718cab5dd19616_JaffaCakes118

  • Size

    13.9MB

  • Sample

    240418-f7tyvadg6t

  • MD5

    f75d6b1dffda8c5730718cab5dd19616

  • SHA1

    f75b81e452246d015f51314b6bdb1a8eb67bbf9a

  • SHA256

    33f705632625e6e1ead56838de42648696c964f1984578ce30998e008f854ebe

  • SHA512

    3cb83f943d23e667fbcad24c8f754a4359bdccc31efb950d4a8e3b5fcb274935a93afc01fb59c33282a499d9e61e6dd04d68064e0f3c8f0b704e598535ce66e0

  • SSDEEP

    6144:OJu3szifRNFyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyH:8uHf7

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f75d6b1dffda8c5730718cab5dd19616_JaffaCakes118

    • Size

      13.9MB

    • MD5

      f75d6b1dffda8c5730718cab5dd19616

    • SHA1

      f75b81e452246d015f51314b6bdb1a8eb67bbf9a

    • SHA256

      33f705632625e6e1ead56838de42648696c964f1984578ce30998e008f854ebe

    • SHA512

      3cb83f943d23e667fbcad24c8f754a4359bdccc31efb950d4a8e3b5fcb274935a93afc01fb59c33282a499d9e61e6dd04d68064e0f3c8f0b704e598535ce66e0

    • SSDEEP

      6144:OJu3szifRNFyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyH:8uHf7

    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