Overview

overview

10

Static

static

3

517123fcc7...18.exe

windows7-x64

10

517123fcc7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    517123fcc7badee52a30705f4cdaf630_JaffaCakes118

  • Size

    13.6MB

  • Sample

    240717-ezheeavhqm

  • MD5

    517123fcc7badee52a30705f4cdaf630

  • SHA1

    f67f1cd917f8f5aee2d3577c73362afc124221f2

  • SHA256

    5e39aee1e32aadd42e1def5fd7f89386978c7bf73ae2d873e4eeb55b13fdaa2c

  • SHA512

    0ba2ce07b6c90b0852262fd59b2643956dd92deb66339f9fc17cddc3fd600984c7056620eb01e05a6ee1076c761cd35bb2682462189dc083a6fba2ef5de6aba2

  • SSDEEP

    196608:7XPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPH:7

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      517123fcc7badee52a30705f4cdaf630_JaffaCakes118

    • Size

      13.6MB

    • MD5

      517123fcc7badee52a30705f4cdaf630

    • SHA1

      f67f1cd917f8f5aee2d3577c73362afc124221f2

    • SHA256

      5e39aee1e32aadd42e1def5fd7f89386978c7bf73ae2d873e4eeb55b13fdaa2c

    • SHA512

      0ba2ce07b6c90b0852262fd59b2643956dd92deb66339f9fc17cddc3fd600984c7056620eb01e05a6ee1076c761cd35bb2682462189dc083a6fba2ef5de6aba2

    • SSDEEP

      196608:7XPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPH:7

    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