Overview

overview

10

Static

static

3

f2c7b3dd67...18.exe

windows7-x64

10

f2c7b3dd67...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2c7b3dd677d36abe158ada055822669_JaffaCakes118

  • Size

    10.7MB

  • Sample

    240416-f3svzsad26

  • MD5

    f2c7b3dd677d36abe158ada055822669

  • SHA1

    06f400ae6e2a2c0a1e8f64e702444a297f37d0f3

  • SHA256

    f17a88bf3b89dff62b431dacda445025c5c3764b9bc87bf584df2e4f274996b8

  • SHA512

    b59e41c6a44de1e9ca80189581a2d634df6d88b6442ba49d77dddf943043e81ce9a7cf92a5cc6a954d20d4414f9f237526e479718540a7cd16025091b07d3130

  • SSDEEP

    98304:w11111111111111111111111111111111111111111111111111111111111111f:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f2c7b3dd677d36abe158ada055822669_JaffaCakes118

    • Size

      10.7MB

    • MD5

      f2c7b3dd677d36abe158ada055822669

    • SHA1

      06f400ae6e2a2c0a1e8f64e702444a297f37d0f3

    • SHA256

      f17a88bf3b89dff62b431dacda445025c5c3764b9bc87bf584df2e4f274996b8

    • SHA512

      b59e41c6a44de1e9ca80189581a2d634df6d88b6442ba49d77dddf943043e81ce9a7cf92a5cc6a954d20d4414f9f237526e479718540a7cd16025091b07d3130

    • SSDEEP

      98304:w11111111111111111111111111111111111111111111111111111111111111f:

    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