Overview

overview

10

Static

static

3

4276d6e574...18.exe

windows7-x64

10

4276d6e574...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4276d6e574f6400e64b3f2a1dae82741_JaffaCakes118

  • Size

    10.9MB

  • Sample

    240713-tzvgasycjj

  • MD5

    4276d6e574f6400e64b3f2a1dae82741

  • SHA1

    aa8086e024027c58126f30047092b43651c0da35

  • SHA256

    cd49e88abc766e9e6577b1e7d8b0c4b27df164e7067039ae11ff78c2b0166bb2

  • SHA512

    859c90ab3290144e7aef08e9fa126943e28a570da620d46365967c15da158e984a99735352d6c2b099d148cdaa7080066f7c51f160e6884f7eecde25235e540f

  • SSDEEP

    196608:tXPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:t

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      4276d6e574f6400e64b3f2a1dae82741_JaffaCakes118

    • Size

      10.9MB

    • MD5

      4276d6e574f6400e64b3f2a1dae82741

    • SHA1

      aa8086e024027c58126f30047092b43651c0da35

    • SHA256

      cd49e88abc766e9e6577b1e7d8b0c4b27df164e7067039ae11ff78c2b0166bb2

    • SHA512

      859c90ab3290144e7aef08e9fa126943e28a570da620d46365967c15da158e984a99735352d6c2b099d148cdaa7080066f7c51f160e6884f7eecde25235e540f

    • SSDEEP

      196608:tXPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP3:t

    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