Overview

overview

10

Static

static

3

f6688fc48c...18.exe

windows7-x64

10

f6688fc48c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f6688fc48cbe1c59e618a34f42939d97_JaffaCakes118

  • Size

    14.0MB

  • Sample

    240417-w53qzaab74

  • MD5

    f6688fc48cbe1c59e618a34f42939d97

  • SHA1

    ce93f51dbf4ca4ee41113ef973bc8affaa4cad90

  • SHA256

    817c64580c9550a7e0cd91965c6397328868a6b13f2b4710de742de213746af2

  • SHA512

    49e7a804d3a19aba2703beaa8f5d065c04b8f49ffa478916b9906c6c806d5e85bfbd5e7604d3e0e46a3c1c9585dc304765d503d3967fe0e1ceb5b98c2f9288d8

  • SSDEEP

    49152:CZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f6688fc48cbe1c59e618a34f42939d97_JaffaCakes118

    • Size

      14.0MB

    • MD5

      f6688fc48cbe1c59e618a34f42939d97

    • SHA1

      ce93f51dbf4ca4ee41113ef973bc8affaa4cad90

    • SHA256

      817c64580c9550a7e0cd91965c6397328868a6b13f2b4710de742de213746af2

    • SHA512

      49e7a804d3a19aba2703beaa8f5d065c04b8f49ffa478916b9906c6c806d5e85bfbd5e7604d3e0e46a3c1c9585dc304765d503d3967fe0e1ceb5b98c2f9288d8

    • SSDEEP

      49152:CZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ:

    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