Overview

overview

10

Static

static

3

ae94bcdff4...34.exe

windows7-x64

10

ae94bcdff4...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334

  • Size

    10.6MB

  • Sample

    240510-ev4f3sdg48

  • MD5

    48d331a22042af3c46f4a5c5852fd973

  • SHA1

    144c9fbab74bfa069d42f895d84cd0573d5e5582

  • SHA256

    ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334

  • SHA512

    64d36047c7e0d92054eac6b44eae05ada08e7fb5febbb5a2ae6b7a07ebdc9bd31ebd0391b490957362d1c3727986591bdcb0598111967c4b94e1b895f8b71026

  • SSDEEP

    6144:CKNDMp7tMWhHwXO3kyvzC0+9XFWYW///////////////////////////////////:CKNDMpOmHKcRv+0u

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334

    • Size

      10.6MB

    • MD5

      48d331a22042af3c46f4a5c5852fd973

    • SHA1

      144c9fbab74bfa069d42f895d84cd0573d5e5582

    • SHA256

      ae94bcdff4c4db9cd6aaa662d87f6b3bc9b1de7a786156307c42aad4f4d72334

    • SHA512

      64d36047c7e0d92054eac6b44eae05ada08e7fb5febbb5a2ae6b7a07ebdc9bd31ebd0391b490957362d1c3727986591bdcb0598111967c4b94e1b895f8b71026

    • SSDEEP

      6144:CKNDMp7tMWhHwXO3kyvzC0+9XFWYW///////////////////////////////////:CKNDMpOmHKcRv+0u

    Score
    10/10
    tofseeevasionexecutionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

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