Overview

overview

10

Static

static

3

82c2359d34...87.exe

windows7-x64

10

82c2359d34...87.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    82c2359d34d3963f1254fe66fd531487.bin

  • Size

    14.8MB

  • Sample

    240623-cy7a2awfkg

  • MD5

    82c2359d34d3963f1254fe66fd531487

  • SHA1

    9881acf4de4b213f1500bc6627858257e4bbd190

  • SHA256

    899aa9dd6997669142d99322dc8151ca0bad52758a3a6680affd28447e3ca2e9

  • SHA512

    f98500b7f3de7e2577454c23e14eff00feb0c434ac1bc544da6e2d67d5d4ffd53d6e0d180685358ecd187ae1a1b7c5e04dedac90f844607fca0314edfc122a26

  • SSDEEP

    6144:v+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:v+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      82c2359d34d3963f1254fe66fd531487.bin

    • Size

      14.8MB

    • MD5

      82c2359d34d3963f1254fe66fd531487

    • SHA1

      9881acf4de4b213f1500bc6627858257e4bbd190

    • SHA256

      899aa9dd6997669142d99322dc8151ca0bad52758a3a6680affd28447e3ca2e9

    • SHA512

      f98500b7f3de7e2577454c23e14eff00feb0c434ac1bc544da6e2d67d5d4ffd53d6e0d180685358ecd187ae1a1b7c5e04dedac90f844607fca0314edfc122a26

    • SSDEEP

      6144:v+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:v+r1IeSXMXc7LlxWV4Ug97GZ+ej

    Score
    10/10
    tofseeevasionexecutionpersistenceprivilege_escalationtrojan

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks