Overview

overview

10

Static

static

3

f3cc40d0ee...18.exe

windows7-x64

10

f3cc40d0ee...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118

  • Size

    14.9MB

  • Sample

    240416-s5escsfd9v

  • MD5

    f3cc40d0eeb5bc12926970e04a727ee5

  • SHA1

    00a858fd157c5a5d663ab170bdfabb99088b0568

  • SHA256

    e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63

  • SHA512

    78d2876fa7ccf822ac4cfdb8e42e0c6b4b5e4b3a344c1337d05d0e86d849a9392e541bc45aa95fcae0d6fd84383460efbcd60612a5a4e87748aecd0e0b5d8840

  • SSDEEP

    49152:r8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGy:r8

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118

    • Size

      14.9MB

    • MD5

      f3cc40d0eeb5bc12926970e04a727ee5

    • SHA1

      00a858fd157c5a5d663ab170bdfabb99088b0568

    • SHA256

      e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63

    • SHA512

      78d2876fa7ccf822ac4cfdb8e42e0c6b4b5e4b3a344c1337d05d0e86d849a9392e541bc45aa95fcae0d6fd84383460efbcd60612a5a4e87748aecd0e0b5d8840

    • SSDEEP

      49152:r8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGy:r8

    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