Overview

overview

10

Static

static

3

fbbc300be6...18.exe

windows7-x64

10

fbbc300be6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118

  • Size

    14.6MB

  • Sample

    240420-c2cktsfb2s

  • MD5

    fbbc300be6ec59b88fe78c250e98f0f4

  • SHA1

    e59eae7c8050cc027aad2f6801808ec899527cf5

  • SHA256

    49911d61a324bcfb2722acc8f21c54e093fed68c99989b26bd031298bb84f4b7

  • SHA512

    25f9a3f6fe4a1c7b852c8a9adee66c5a762c0021aa73b6d1bcefb9a811efbc558573955877b4c831ca6204fb3235a724a0dcd6234f8bb82db2a04b59edeb6929

  • SSDEEP

    49152:Sj5555555555555555555555555555555555555555555555555555555555555F:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fbbc300be6ec59b88fe78c250e98f0f4_JaffaCakes118

    • Size

      14.6MB

    • MD5

      fbbc300be6ec59b88fe78c250e98f0f4

    • SHA1

      e59eae7c8050cc027aad2f6801808ec899527cf5

    • SHA256

      49911d61a324bcfb2722acc8f21c54e093fed68c99989b26bd031298bb84f4b7

    • SHA512

      25f9a3f6fe4a1c7b852c8a9adee66c5a762c0021aa73b6d1bcefb9a811efbc558573955877b4c831ca6204fb3235a724a0dcd6234f8bb82db2a04b59edeb6929

    • SSDEEP

      49152:Sj5555555555555555555555555555555555555555555555555555555555555F:

    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