Overview

overview

10

Static

static

3

ffbb54a478...18.exe

windows7-x64

10

ffbb54a478...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118

  • Size

    13.6MB

  • Sample

    240421-vagpksfd54

  • MD5

    ffbb54a4781fbcedc8cf2838defba14c

  • SHA1

    33b8f837b0439ee56351cda361d8dcafa40e6574

  • SHA256

    e982349cdd6908329e1c5163572103361fce17904dcbf5a820ca057553ebb74c

  • SHA512

    f59e3cc49c0d630a89f37cacce2b4ea326ca99db1e0e299dee131db365512554d4d0361ea19ee5fc1637b5cf5df9462097929f78d6e4f6c355161372dd31fcb2

  • SSDEEP

    98304:8jhd88888888888888888888888888888888888888888888888888888888888/:8

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

    • Target

      ffbb54a4781fbcedc8cf2838defba14c_JaffaCakes118

    • Size

      13.6MB

    • MD5

      ffbb54a4781fbcedc8cf2838defba14c

    • SHA1

      33b8f837b0439ee56351cda361d8dcafa40e6574

    • SHA256

      e982349cdd6908329e1c5163572103361fce17904dcbf5a820ca057553ebb74c

    • SHA512

      f59e3cc49c0d630a89f37cacce2b4ea326ca99db1e0e299dee131db365512554d4d0361ea19ee5fc1637b5cf5df9462097929f78d6e4f6c355161372dd31fcb2

    • SSDEEP

      98304:8jhd88888888888888888888888888888888888888888888888888888888888/:8

    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