Overview

overview

10

Static

static

3

20de026bf4...18.exe

windows7-x64

10

20de026bf4...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    20de026bf4998364c894a00f7a97df60_JaffaCakes118

  • Size

    99KB

  • Sample

    240507-saya8aee77

  • MD5

    20de026bf4998364c894a00f7a97df60

  • SHA1

    9db4857e4894082aa77c5f5b82009f2028f8fc51

  • SHA256

    7f8cb81aabb63a3bb8806b9c055582bec59ef104362316dc164dd686128b9246

  • SHA512

    10894d234217ba24391d5de14e40908cfb13ae367e943b34fafad9c6bd5caa937501f1db04ee43127171d40d7d185fa09cf3de8f765b89aa706272ee6c0596dc

  • SSDEEP

    1536:R33ZAoU8Ed7fzXfQFlj8+6a+Vpvy/eKaO/VChHWNvw0+pDi8P19Exk:hZ3EZf6A+6a+Vpvy/ead22KHDDPEa

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      20de026bf4998364c894a00f7a97df60_JaffaCakes118

    • Size

      99KB

    • MD5

      20de026bf4998364c894a00f7a97df60

    • SHA1

      9db4857e4894082aa77c5f5b82009f2028f8fc51

    • SHA256

      7f8cb81aabb63a3bb8806b9c055582bec59ef104362316dc164dd686128b9246

    • SHA512

      10894d234217ba24391d5de14e40908cfb13ae367e943b34fafad9c6bd5caa937501f1db04ee43127171d40d7d185fa09cf3de8f765b89aa706272ee6c0596dc

    • SSDEEP

      1536:R33ZAoU8Ed7fzXfQFlj8+6a+Vpvy/eKaO/VChHWNvw0+pDi8P19Exk:hZ3EZf6A+6a+Vpvy/ead22KHDDPEa

    Score
    10/10
    tofseeevasionexecutionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

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