Overview

overview

10

Static

static

3

fb73068efd...18.exe

windows7-x64

10

fb73068efd...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb73068efdfde57d29a3df074187c6ea_JaffaCakes118

  • Size

    12.5MB

  • Sample

    240419-3xzsnsbf7y

  • MD5

    fb73068efdfde57d29a3df074187c6ea

  • SHA1

    8d9a6e40cde061adf51f90cedc6507e33234a637

  • SHA256

    be638ce3f50bd9363616977cf69fec3c86338df920078832a63f055f37a3f219

  • SHA512

    96889edca6938c5d8c61c042402d232f5dff0112bb735799d18bbe8fb9e6a6ffd58b9a0e681074a66fa4119c1346e2669396d649fc662f0be76c83a1097bd457

  • SSDEEP

    12288:UZnHC6Hf1kkNWoRjta3JZlPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP/:UdHCRiG

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fb73068efdfde57d29a3df074187c6ea_JaffaCakes118

    • Size

      12.5MB

    • MD5

      fb73068efdfde57d29a3df074187c6ea

    • SHA1

      8d9a6e40cde061adf51f90cedc6507e33234a637

    • SHA256

      be638ce3f50bd9363616977cf69fec3c86338df920078832a63f055f37a3f219

    • SHA512

      96889edca6938c5d8c61c042402d232f5dff0112bb735799d18bbe8fb9e6a6ffd58b9a0e681074a66fa4119c1346e2669396d649fc662f0be76c83a1097bd457

    • SSDEEP

      12288:UZnHC6Hf1kkNWoRjta3JZlPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP/:UdHCRiG

    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