Overview

overview

10

Static

static

3

fc8a09cc8b...18.exe

windows7-x64

10

fc8a09cc8b...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118

  • Size

    12.5MB

  • Sample

    240420-mehtfaeh2z

  • MD5

    fc8a09cc8b58b2e8ccb5ceaad6f68465

  • SHA1

    1ca93e1b4689c0397b859924ac6f56dc4544fafd

  • SHA256

    01515a4578f9a62830c1ca7689a77537806b53493877a53aacc46279f90ad219

  • SHA512

    55e400daa4ed27d4d7b184f750068d5fe58eedbfe1058d929698e25cf6fcee06bc65ff7ca349c22c9c3a39e357f2548b88084a7c5d9d872d9d857e1034d6872d

  • SSDEEP

    98304:XdrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrL:X

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118

    • Size

      12.5MB

    • MD5

      fc8a09cc8b58b2e8ccb5ceaad6f68465

    • SHA1

      1ca93e1b4689c0397b859924ac6f56dc4544fafd

    • SHA256

      01515a4578f9a62830c1ca7689a77537806b53493877a53aacc46279f90ad219

    • SHA512

      55e400daa4ed27d4d7b184f750068d5fe58eedbfe1058d929698e25cf6fcee06bc65ff7ca349c22c9c3a39e357f2548b88084a7c5d9d872d9d857e1034d6872d

    • SSDEEP

      98304:XdrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrL:X

    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