Overview

overview

10

Static

static

3

fe71a5cc8c...18.exe

windows7-x64

10

fe71a5cc8c...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fe71a5cc8c5564f2e1b9e4e63eb48fc5_JaffaCakes118

  • Size

    12.2MB

  • Sample

    240421-e64k8abe81

  • MD5

    fe71a5cc8c5564f2e1b9e4e63eb48fc5

  • SHA1

    ae2f00b7bc2fb6cbfae3622b6031c5bb411e0bc5

  • SHA256

    42ebc1e3ce246575703ca88ab049be62f7a729ac743f5f9e6a45e68d04fec38a

  • SHA512

    fda1dcb122f442540741567cd4b4c8b452648742df2701494c88c6a296d878a900b7dc65831f4497fe95acf48567b71d1248e23aabc6bc45aef3614fc075a3c4

  • SSDEEP

    393216:Muuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fe71a5cc8c5564f2e1b9e4e63eb48fc5_JaffaCakes118

    • Size

      12.2MB

    • MD5

      fe71a5cc8c5564f2e1b9e4e63eb48fc5

    • SHA1

      ae2f00b7bc2fb6cbfae3622b6031c5bb411e0bc5

    • SHA256

      42ebc1e3ce246575703ca88ab049be62f7a729ac743f5f9e6a45e68d04fec38a

    • SHA512

      fda1dcb122f442540741567cd4b4c8b452648742df2701494c88c6a296d878a900b7dc65831f4497fe95acf48567b71d1248e23aabc6bc45aef3614fc075a3c4

    • SSDEEP

      393216:Muuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu:

    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