Overview

overview

10

Static

static

3

fc8689f0ec...18.exe

windows7-x64

10

fc8689f0ec...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc8689f0eceff18d958eb59b7d2c31fc_JaffaCakes118

  • Size

    13.6MB

  • Sample

    240420-l9jtjseg21

  • MD5

    fc8689f0eceff18d958eb59b7d2c31fc

  • SHA1

    1bf9746ab6de03b237e9610f26e018db2bdaa0aa

  • SHA256

    fe63f09d06765b954959e9d86d9d9f550c7e4c2c5e6fb07bc53be0c61bc7f417

  • SHA512

    7dbdd25fd84529eed80cc3bbb7db416c8ee45c068be591cc07076cbfd06565717e343415f75871a6cf96d62992176274938f09cb27e522203d24337f01fb5fb1

  • SSDEEP

    196608:+Lad4qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqv:+L

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fc8689f0eceff18d958eb59b7d2c31fc_JaffaCakes118

    • Size

      13.6MB

    • MD5

      fc8689f0eceff18d958eb59b7d2c31fc

    • SHA1

      1bf9746ab6de03b237e9610f26e018db2bdaa0aa

    • SHA256

      fe63f09d06765b954959e9d86d9d9f550c7e4c2c5e6fb07bc53be0c61bc7f417

    • SHA512

      7dbdd25fd84529eed80cc3bbb7db416c8ee45c068be591cc07076cbfd06565717e343415f75871a6cf96d62992176274938f09cb27e522203d24337f01fb5fb1

    • SSDEEP

      196608:+Lad4qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqv:+L

    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