Overview

overview

10

Static

static

3

fceccbd5e8...18.exe

windows7-x64

10

fceccbd5e8...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fceccbd5e8f1030c0e3085e771b63177_JaffaCakes118

  • Size

    14.4MB

  • Sample

    240420-rdcy1sah2y

  • MD5

    fceccbd5e8f1030c0e3085e771b63177

  • SHA1

    2deda90288dc154d67917e6d4329f853431a2bd8

  • SHA256

    61faf46dbe077a07465febbc75383ef44bd810b56c6bec95ce046ad8b17c2b2c

  • SHA512

    d83449d58ace9c7bd8650c409c82df47a706562f7f7bd4ce0709f471a5d38ffbe0ff428bba7dd137bcd0824bf067c1f102ad2e4fa124984d06b324143b0dd3b1

  • SSDEEP

    49152:ujrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrj:A

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fceccbd5e8f1030c0e3085e771b63177_JaffaCakes118

    • Size

      14.4MB

    • MD5

      fceccbd5e8f1030c0e3085e771b63177

    • SHA1

      2deda90288dc154d67917e6d4329f853431a2bd8

    • SHA256

      61faf46dbe077a07465febbc75383ef44bd810b56c6bec95ce046ad8b17c2b2c

    • SHA512

      d83449d58ace9c7bd8650c409c82df47a706562f7f7bd4ce0709f471a5d38ffbe0ff428bba7dd137bcd0824bf067c1f102ad2e4fa124984d06b324143b0dd3b1

    • SSDEEP

      49152:ujrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrj:A

    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