Overview

overview

10

Static

static

3

f3c6b2ff1f...18.exe

windows7-x64

10

f3c6b2ff1f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3c6b2ff1fd4577e9a685eb2d5dd7dd7_JaffaCakes118

  • Size

    13.2MB

  • Sample

    240416-swp7qsde66

  • MD5

    f3c6b2ff1fd4577e9a685eb2d5dd7dd7

  • SHA1

    789b802c68ee18b75d0abdd612005ab287911d9d

  • SHA256

    f28f1200ffdf0cf7368928ab37aee6544d1093cac57000650d1c988363bc5633

  • SHA512

    54aa006a9b9a2eede1d4b72d4a23ab3b7cca0e1ae3e0a441e2fd235cccc8b365f1ce1c32f619d1bfea56da63f17eec18122de4d5a8e7dcbf476020939680976b

  • SSDEEP

    24576:gBahJbFa00000000000000000000000000000000000000000000000000000000:gOZ

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f3c6b2ff1fd4577e9a685eb2d5dd7dd7_JaffaCakes118

    • Size

      13.2MB

    • MD5

      f3c6b2ff1fd4577e9a685eb2d5dd7dd7

    • SHA1

      789b802c68ee18b75d0abdd612005ab287911d9d

    • SHA256

      f28f1200ffdf0cf7368928ab37aee6544d1093cac57000650d1c988363bc5633

    • SHA512

      54aa006a9b9a2eede1d4b72d4a23ab3b7cca0e1ae3e0a441e2fd235cccc8b365f1ce1c32f619d1bfea56da63f17eec18122de4d5a8e7dcbf476020939680976b

    • SSDEEP

      24576:gBahJbFa00000000000000000000000000000000000000000000000000000000:gOZ

    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