Overview

overview

10

Static

static

3

f3147553be...18.exe

windows7-x64

10

f3147553be...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118

  • Size

    13.8MB

  • Sample

    240416-j9dw7adc62

  • MD5

    f3147553bec69b2a2b4001b906c9c8c5

  • SHA1

    06c668815a1c3134336042e822c8c8a65f3f3434

  • SHA256

    084d26ac03fadeb25260cb626efda571fc92bca3528d8dae61e30be71d126fae

  • SHA512

    6e2d33055bb88f1ee81ba1c9d3f567c2ee521562997f4ba291a626a9a13a587de3c746161e4a138f5e63f0f066454685066de465e6da53c1d1322566aed7023f

  • SSDEEP

    49152:ARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f3147553bec69b2a2b4001b906c9c8c5_JaffaCakes118

    • Size

      13.8MB

    • MD5

      f3147553bec69b2a2b4001b906c9c8c5

    • SHA1

      06c668815a1c3134336042e822c8c8a65f3f3434

    • SHA256

      084d26ac03fadeb25260cb626efda571fc92bca3528d8dae61e30be71d126fae

    • SHA512

      6e2d33055bb88f1ee81ba1c9d3f567c2ee521562997f4ba291a626a9a13a587de3c746161e4a138f5e63f0f066454685066de465e6da53c1d1322566aed7023f

    • SSDEEP

      49152:ARBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:

    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