Overview

overview

10

Static

static

3

26a0c9edc9...18.exe

windows7-x64

10

26a0c9edc9...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    26a0c9edc9530dc8e242bd71ab9bf8b1_JaffaCakes118

  • Size

    11.3MB

  • Sample

    240704-3frezavhpn

  • MD5

    26a0c9edc9530dc8e242bd71ab9bf8b1

  • SHA1

    b2dc693d33b373063527009cf982492be2bcf57b

  • SHA256

    df6f272115c6c1b035f42a40c35fd03c674091590178d953570ae3aec4505828

  • SHA512

    3fae0b459f274527ea6744adfb3fab63b23d5468b7532228bb8a335812e24a581e9c4d50b8bcc612e2262d043f2268f4c59c0fff52da57e6473b12c2775156c3

  • SSDEEP

    196608:etPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:e

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      26a0c9edc9530dc8e242bd71ab9bf8b1_JaffaCakes118

    • Size

      11.3MB

    • MD5

      26a0c9edc9530dc8e242bd71ab9bf8b1

    • SHA1

      b2dc693d33b373063527009cf982492be2bcf57b

    • SHA256

      df6f272115c6c1b035f42a40c35fd03c674091590178d953570ae3aec4505828

    • SHA512

      3fae0b459f274527ea6744adfb3fab63b23d5468b7532228bb8a335812e24a581e9c4d50b8bcc612e2262d043f2268f4c59c0fff52da57e6473b12c2775156c3

    • SSDEEP

      196608:etPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:e

    Score
    10/10
    tofseeevasionexecutionpersistenceprivilege_escalationtrojan

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks