Overview

overview

10

Static

static

3

f778d016c7...18.exe

windows7-x64

10

f778d016c7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f778d016c779877f1621ce4bc8ebbed2_JaffaCakes118

  • Size

    11.9MB

  • Sample

    240418-hftvwadg58

  • MD5

    f778d016c779877f1621ce4bc8ebbed2

  • SHA1

    5d70d5a89660426ad2077130adbc734f0f74969e

  • SHA256

    408991d9ab5d2e28ef08033bd0862f6414e7bf5d8103f495e574ca0fe2dde100

  • SHA512

    f7b39bba47ceea770b8f2975efa9c29b22b0e72788c6d90d42c6ff04433cac99f3c1a82d87351d5b81712cdfe31460ccc5300b8b2fc24018783f9b3e7bb9e777

  • SSDEEP

    24576:RlxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBR:RlzOR

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f778d016c779877f1621ce4bc8ebbed2_JaffaCakes118

    • Size

      11.9MB

    • MD5

      f778d016c779877f1621ce4bc8ebbed2

    • SHA1

      5d70d5a89660426ad2077130adbc734f0f74969e

    • SHA256

      408991d9ab5d2e28ef08033bd0862f6414e7bf5d8103f495e574ca0fe2dde100

    • SHA512

      f7b39bba47ceea770b8f2975efa9c29b22b0e72788c6d90d42c6ff04433cac99f3c1a82d87351d5b81712cdfe31460ccc5300b8b2fc24018783f9b3e7bb9e777

    • SSDEEP

      24576:RlxdvCcpOKCtBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBR:RlzOR

    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