Overview

overview

10

Static

static

3

fff0aab4de...18.exe

windows7-x64

10

fff0aab4de...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fff0aab4de88fa3503e16290699ea84b_JaffaCakes118

  • Size

    11.8MB

  • Sample

    240421-xjsvbahh2x

  • MD5

    fff0aab4de88fa3503e16290699ea84b

  • SHA1

    9b6879a810a5f8609898f8f552067a237b67912b

  • SHA256

    5ff58c63e54e4bbbc6b4ec1aff3abb6275f8692a9f42a25dc9fcec70438a6bc6

  • SHA512

    3587ec145d1503bc06673592da1feca0e9d9fae5c6a968f2ee3d0ad37559a132a789d3e43205921413c5159c8aeac8789a4af0234ba894f74a04e9c436711c6e

  • SSDEEP

    98304:+NWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllx:MW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fff0aab4de88fa3503e16290699ea84b_JaffaCakes118

    • Size

      11.8MB

    • MD5

      fff0aab4de88fa3503e16290699ea84b

    • SHA1

      9b6879a810a5f8609898f8f552067a237b67912b

    • SHA256

      5ff58c63e54e4bbbc6b4ec1aff3abb6275f8692a9f42a25dc9fcec70438a6bc6

    • SHA512

      3587ec145d1503bc06673592da1feca0e9d9fae5c6a968f2ee3d0ad37559a132a789d3e43205921413c5159c8aeac8789a4af0234ba894f74a04e9c436711c6e

    • SSDEEP

      98304:+NWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllx:MW

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • 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

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
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