Overview

overview

10

Static

static

3

ff7abacc6e...18.exe

windows7-x64

10

ff7abacc6e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118

  • Size

    11.8MB

  • Sample

    240421-rqh1ssdf3w

  • MD5

    ff7abacc6eb717ab0762f0b2f77bc28a

  • SHA1

    4f52a940cfd2ec6e553f2e1a8a736c990bd65a40

  • SHA256

    d8369336f4c5bab691e2fc846c783ac565c2a935a43ae3d982847cf8321f3a97

  • SHA512

    49ed6f215b007569122e2be67b3e1864656cf0038c127e2035fe1ea6c26d7b6be4f074f7cefdf93892eff8821f4c121d4b69450d6dccf567df953c01c4a49619

  • SSDEEP

    196608:wV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYf:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      ff7abacc6eb717ab0762f0b2f77bc28a_JaffaCakes118

    • Size

      11.8MB

    • MD5

      ff7abacc6eb717ab0762f0b2f77bc28a

    • SHA1

      4f52a940cfd2ec6e553f2e1a8a736c990bd65a40

    • SHA256

      d8369336f4c5bab691e2fc846c783ac565c2a935a43ae3d982847cf8321f3a97

    • SHA512

      49ed6f215b007569122e2be67b3e1864656cf0038c127e2035fe1ea6c26d7b6be4f074f7cefdf93892eff8821f4c121d4b69450d6dccf567df953c01c4a49619

    • SSDEEP

      196608:wV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYf:

    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