Overview

overview

10

Static

static

3

02b4c3dcc4...a2.exe

windows7-x64

10

02b4c3dcc4...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_553ce75a13c88ab7422641d393c472170ff4368e79eaa1715ab7611bc3ef508d

  • Size

    158KB

  • Sample

    241224-xdnneatnhx

  • MD5

    7cedde86e6bd1a06c443cada40905aa9

  • SHA1

    4577f0b655f3ba1c19ccba4192e6e5fce180fc30

  • SHA256

    553ce75a13c88ab7422641d393c472170ff4368e79eaa1715ab7611bc3ef508d

  • SHA512

    94a3fe5ec3d1c452a29533751ce02f627262e57cb8e847f2ee8737884812d546c2c479bd4d5b6cf025135eb4a610f9a7642272e34ccc5151038087871b9b7693

  • SSDEEP

    3072:n6hHIc3hRprDrShR1Wrb0ykBIm9w0e7hwiXJlx+It4RQcS3Xdif940noDcG:6thR1iR1WrbEe7yiXVxt4RQFHEfJ2

Score
10/10
tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      02b4c3dcc4673e8e5b5209e2cbad26584be30b40b082d0bf906ae4d60e9487a2

    • Size

      260KB

    • MD5

      ef7e4a69cb1f773ee7b5ac597f06418a

    • SHA1

      7c09ac3d21a7e7866f8a74c6e39f496a75e005ee

    • SHA256

      02b4c3dcc4673e8e5b5209e2cbad26584be30b40b082d0bf906ae4d60e9487a2

    • SHA512

      bec3b85d3bfa56ab5b1427d870f81bbca45a3bb301c524eca29960185832a3664d449e8d4d320926139d3ec97f425b13e6fbd3b62adcf09987ad82c40f80a7a7

    • SSDEEP

      3072:LuJFB8IkKLXHxuvz5q3jzQctU7cw0e7hwiXJl8T4DKFbJOxjw0L9l5M/h3:+FBFTLXx9zQctze7yiX4kMOxjw0xT

    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

    • 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