Overview

overview

10

Static

static

3

f5dc335c6e...18.exe

windows7-x64

10

f5dc335c6e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f5dc335c6eb083d57521aff14be3e7c6_JaffaCakes118

  • Size

    12.3MB

  • Sample

    240417-qjkelsha56

  • MD5

    f5dc335c6eb083d57521aff14be3e7c6

  • SHA1

    7b1002a0c0ef3916d930c1043c2f060971e27604

  • SHA256

    b45ec3d6bc959bc7656fa4825e315d3ad564ec978b1ce173ff57b139f36ce333

  • SHA512

    a88e7b4bf9a011c813816018cbaafd9e93a502a6370063b79782c6709637d8a7ddcc04f20f5b74e7d6e4f85f64b2bbfdb8222fd55e0914831736ba49f337c4d0

  • SSDEEP

    24576:kgdy5yNM4444444444444444444444444444444444444444444444444444444L:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f5dc335c6eb083d57521aff14be3e7c6_JaffaCakes118

    • Size

      12.3MB

    • MD5

      f5dc335c6eb083d57521aff14be3e7c6

    • SHA1

      7b1002a0c0ef3916d930c1043c2f060971e27604

    • SHA256

      b45ec3d6bc959bc7656fa4825e315d3ad564ec978b1ce173ff57b139f36ce333

    • SHA512

      a88e7b4bf9a011c813816018cbaafd9e93a502a6370063b79782c6709637d8a7ddcc04f20f5b74e7d6e4f85f64b2bbfdb8222fd55e0914831736ba49f337c4d0

    • SSDEEP

      24576:kgdy5yNM4444444444444444444444444444444444444444444444444444444L:

    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