Overview

overview

10

Static

static

3

f41d75b14e...18.exe

windows7-x64

10

f41d75b14e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f41d75b14ec54e06280c36e915290f41_JaffaCakes118

  • Size

    10.3MB

  • Sample

    240416-xlr1sshh39

  • MD5

    f41d75b14ec54e06280c36e915290f41

  • SHA1

    afc0c56f74ff4f4b85649463167f562532d3616d

  • SHA256

    9890431d787f9448ed2abe4c371c580c7751577afc5994618bb3b7f852813077

  • SHA512

    7b035781972deea2327d1b0fb841fcd9c02b2ddd14bcbde3c3efcea1a43776c31709111978d983efff36557a75c71d2b74b4ba1188c6ef4709fe3b478948bf0d

  • SSDEEP

    24576:MjY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:3HSl

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f41d75b14ec54e06280c36e915290f41_JaffaCakes118

    • Size

      10.3MB

    • MD5

      f41d75b14ec54e06280c36e915290f41

    • SHA1

      afc0c56f74ff4f4b85649463167f562532d3616d

    • SHA256

      9890431d787f9448ed2abe4c371c580c7751577afc5994618bb3b7f852813077

    • SHA512

      7b035781972deea2327d1b0fb841fcd9c02b2ddd14bcbde3c3efcea1a43776c31709111978d983efff36557a75c71d2b74b4ba1188c6ef4709fe3b478948bf0d

    • SSDEEP

      24576:MjY+lg48SlJPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:3HSl

    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