Overview

overview

10

Static

static

3

f53649de01...18.exe

windows7-x64

10

f53649de01...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f53649de01295448ee2b6e38609dc159_JaffaCakes118

  • Size

    12.8MB

  • Sample

    240417-hhfe9shg5v

  • MD5

    f53649de01295448ee2b6e38609dc159

  • SHA1

    f58d0269d54b7049e91fcfaeac02cad269d654d1

  • SHA256

    512389439d20f6c84dce2dfeedfd7096c7e9d8be7369226ca5c1d0814dda567d

  • SHA512

    fd7641fe88700245d1b44ede2f1b3e28049ba2f25eb6023a0ce103f528faf6f259c14e46cf78fb07336d15b8cf88dbe46ac3d2f87d7d02cb4c091ac0ef7f4d6b

  • SSDEEP

    49152:o3SkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkU:o3

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f53649de01295448ee2b6e38609dc159_JaffaCakes118

    • Size

      12.8MB

    • MD5

      f53649de01295448ee2b6e38609dc159

    • SHA1

      f58d0269d54b7049e91fcfaeac02cad269d654d1

    • SHA256

      512389439d20f6c84dce2dfeedfd7096c7e9d8be7369226ca5c1d0814dda567d

    • SHA512

      fd7641fe88700245d1b44ede2f1b3e28049ba2f25eb6023a0ce103f528faf6f259c14e46cf78fb07336d15b8cf88dbe46ac3d2f87d7d02cb4c091ac0ef7f4d6b

    • SSDEEP

      49152:o3SkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkU:o3

    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