Overview

overview

10

Static

static

10

ff2d2bae6d...18.exe

windows7-x64

10

ff2d2bae6d...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118

  • Size

    14.1MB

  • Sample

    240421-nk5qtsac7s

  • MD5

    ff2d2bae6d666f08cdf03a9fe0111653

  • SHA1

    b1c17ae2eb91b72ecea9274644b18e06e44077cd

  • SHA256

    3ed349f289415a1ae10ad123d27c2b644e337617a75dc848e70e0a3cd13a5fe3

  • SHA512

    48a618e88a077848f2ca3786be9a5b1c4ef9fa862097186c3ae95046c551dd0c004dc05ecff6893c717d4c14eb0d15b2d206575306eaa45473f74b291019201f

  • SSDEEP

    6144:f5VCb4QuzFZpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzr:h8NKFZp

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118

    • Size

      14.1MB

    • MD5

      ff2d2bae6d666f08cdf03a9fe0111653

    • SHA1

      b1c17ae2eb91b72ecea9274644b18e06e44077cd

    • SHA256

      3ed349f289415a1ae10ad123d27c2b644e337617a75dc848e70e0a3cd13a5fe3

    • SHA512

      48a618e88a077848f2ca3786be9a5b1c4ef9fa862097186c3ae95046c551dd0c004dc05ecff6893c717d4c14eb0d15b2d206575306eaa45473f74b291019201f

    • SSDEEP

      6144:f5VCb4QuzFZpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzr:h8NKFZp

    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