Overview

overview

10

Static

static

3

f34d8f6b53...18.exe

windows7-x64

10

f34d8f6b53...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f34d8f6b5347bdcd842d87c92c707971_JaffaCakes118

  • Size

    14.9MB

  • Sample

    240416-mk8baaaa9x

  • MD5

    f34d8f6b5347bdcd842d87c92c707971

  • SHA1

    0ef31e983de6af6f1ddd10f12627c934b2bcd117

  • SHA256

    2b7573c9e8ecc29efd019b7aa743c09a45cb4ec3974e626cd6be6d044eaf4011

  • SHA512

    c98f57420fb64dae46616d3405fa7035921592cf88b3d4da22bc5e704992b5c21540194ab13593e98cda9550cf3bb22ca8615aab7441985abe5805c61393c098

  • SSDEEP

    24576:djCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee:d/D

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f34d8f6b5347bdcd842d87c92c707971_JaffaCakes118

    • Size

      14.9MB

    • MD5

      f34d8f6b5347bdcd842d87c92c707971

    • SHA1

      0ef31e983de6af6f1ddd10f12627c934b2bcd117

    • SHA256

      2b7573c9e8ecc29efd019b7aa743c09a45cb4ec3974e626cd6be6d044eaf4011

    • SHA512

      c98f57420fb64dae46616d3405fa7035921592cf88b3d4da22bc5e704992b5c21540194ab13593e98cda9550cf3bb22ca8615aab7441985abe5805c61393c098

    • SSDEEP

      24576:djCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee:d/D

    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