Overview

overview

10

Static

static

3

ffdf89de90...18.exe

windows7-x64

10

ffdf89de90...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ffdf89de900c716587f62b698c402aeb_JaffaCakes118

  • Size

    11.6MB

  • Sample

    240421-wwac3agf75

  • MD5

    ffdf89de900c716587f62b698c402aeb

  • SHA1

    fbc84bab04ffbb6200eab40cb7cc975138de52b5

  • SHA256

    5b8739273220f928323bdca4745bb21b820fd91a694f678cc78375041f92d97b

  • SHA512

    9d3b7d383672a3dea0afe7907f53ac558590f0079148d3f181225e68c3df632a1ccf966e2188dff010674cad2a39b4b0abe9f252034369c416b51105d1758111

  • SSDEEP

    49152:Eitpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp5:Ei

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      ffdf89de900c716587f62b698c402aeb_JaffaCakes118

    • Size

      11.6MB

    • MD5

      ffdf89de900c716587f62b698c402aeb

    • SHA1

      fbc84bab04ffbb6200eab40cb7cc975138de52b5

    • SHA256

      5b8739273220f928323bdca4745bb21b820fd91a694f678cc78375041f92d97b

    • SHA512

      9d3b7d383672a3dea0afe7907f53ac558590f0079148d3f181225e68c3df632a1ccf966e2188dff010674cad2a39b4b0abe9f252034369c416b51105d1758111

    • SSDEEP

      49152:Eitpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp5:Ei

    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