Overview

overview

10

Static

static

3

JaffaCakes...6e.exe

windows7-x64

10

JaffaCakes...6e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_a86039fde97daa1ebcf8db274c8b69a11816b0501ed9c2bd6f62129699a8ed6e

  • Size

    230KB

  • Sample

    241223-v1l2zswkh1

  • MD5

    7156f5214b95b9cab786bdc25795be32

  • SHA1

    3e5ee01b532afe82ef450e112bde62b810e960eb

  • SHA256

    a86039fde97daa1ebcf8db274c8b69a11816b0501ed9c2bd6f62129699a8ed6e

  • SHA512

    e9b11fc5fba094788e3522eec19e463b322667be266f2ec80e62ecc9d609c44e0d176c7e374007031a332655cdf15cc53816937ee1fba1f7feb7100fb6375132

  • SSDEEP

    3072:mn1SU4bmqNsRjk97DovNEIY66YYfkuf5aGov:sAmqNsRA9/wNEIcxkKwG8

Score
10/10
tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

niflheimr.cn

jotunheim.name

Targets

    • Target

      JaffaCakes118_a86039fde97daa1ebcf8db274c8b69a11816b0501ed9c2bd6f62129699a8ed6e

    • Size

      230KB

    • MD5

      7156f5214b95b9cab786bdc25795be32

    • SHA1

      3e5ee01b532afe82ef450e112bde62b810e960eb

    • SHA256

      a86039fde97daa1ebcf8db274c8b69a11816b0501ed9c2bd6f62129699a8ed6e

    • SHA512

      e9b11fc5fba094788e3522eec19e463b322667be266f2ec80e62ecc9d609c44e0d176c7e374007031a332655cdf15cc53816937ee1fba1f7feb7100fb6375132

    • SSDEEP

      3072:mn1SU4bmqNsRjk97DovNEIY66YYfkuf5aGov:sAmqNsRA9/wNEIcxkKwG8

    Score
    10/10
    tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Tofsee family

      tofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks