Overview

overview

10

Static

static

3

f8256df8c7...18.exe

windows7-x64

10

f8256df8c7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f8256df8c758c14405aaf36f704caaad_JaffaCakes118

  • Size

    11.4MB

  • Sample

    240418-rac5lsgb3x

  • MD5

    f8256df8c758c14405aaf36f704caaad

  • SHA1

    087dfabfb57a9a0896609642d9e18dc60939e378

  • SHA256

    a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62

  • SHA512

    37606175aca89abcec765db9d51a9237945827dab77f66ce719b5bb9e9e6d7db77ec8a6af97e5d34694065973417d1930897f37c5621033ebf87100436ccdd4b

  • SSDEEP

    98304:4UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUf:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f8256df8c758c14405aaf36f704caaad_JaffaCakes118

    • Size

      11.4MB

    • MD5

      f8256df8c758c14405aaf36f704caaad

    • SHA1

      087dfabfb57a9a0896609642d9e18dc60939e378

    • SHA256

      a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62

    • SHA512

      37606175aca89abcec765db9d51a9237945827dab77f66ce719b5bb9e9e6d7db77ec8a6af97e5d34694065973417d1930897f37c5621033ebf87100436ccdd4b

    • SSDEEP

      98304:4UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUf:

    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