Overview

overview

10

Static

static

3

f41244b3df...18.exe

windows7-x64

10

f41244b3df...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f41244b3df60d807930f4c7b3096d0a7_JaffaCakes118

  • Size

    14.3MB

  • Sample

    240416-w52tnshd55

  • MD5

    f41244b3df60d807930f4c7b3096d0a7

  • SHA1

    d0cbe5f91f407229da11bcd1cf3950544310987a

  • SHA256

    3310aa6e6f635f3e3610e897d48323758555304bd7bfa2c77473a2119cef2f86

  • SHA512

    31238ef37c39bedd4582ed9eb72aa6df2fad87ddbdae1f14803d0c58ab4b9de1c96c9140cdfc4d9ff11d06bab43abb2d9fd59bd798edb7abfae6a3d2b473531a

  • SSDEEP

    49152:xM+SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSn:x

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f41244b3df60d807930f4c7b3096d0a7_JaffaCakes118

    • Size

      14.3MB

    • MD5

      f41244b3df60d807930f4c7b3096d0a7

    • SHA1

      d0cbe5f91f407229da11bcd1cf3950544310987a

    • SHA256

      3310aa6e6f635f3e3610e897d48323758555304bd7bfa2c77473a2119cef2f86

    • SHA512

      31238ef37c39bedd4582ed9eb72aa6df2fad87ddbdae1f14803d0c58ab4b9de1c96c9140cdfc4d9ff11d06bab43abb2d9fd59bd798edb7abfae6a3d2b473531a

    • SSDEEP

      49152:xM+SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSn:x

    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