Overview

overview

10

Static

static

6ec7645e2c...25.exe

windows7_x64

10

6ec7645e2c...25.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    6ec7645e2cbbaf7d7d6c836cacf353c072bab4e785992c90b172f26263d55525

  • Size

    13.9MB

  • Sample

    220605-sy7vkabgf9

  • MD5

    3aaa4aecbe1e2646394602569e6cac7d

  • SHA1

    191a54ac2bc0b727669fd08bb804fc7fd17601d5

  • SHA256

    6ec7645e2cbbaf7d7d6c836cacf353c072bab4e785992c90b172f26263d55525

  • SHA512

    7a36b8a7c2fd9189a3987e0ad1d109d3e81072546784d99719104f2359042285aaa2f9f0b4173effd6713b291813d9f08ae8804a87fb89bb0baea3b1fb20e86a

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      6ec7645e2cbbaf7d7d6c836cacf353c072bab4e785992c90b172f26263d55525

    • Size

      13.9MB

    • MD5

      3aaa4aecbe1e2646394602569e6cac7d

    • SHA1

      191a54ac2bc0b727669fd08bb804fc7fd17601d5

    • SHA256

      6ec7645e2cbbaf7d7d6c836cacf353c072bab4e785992c90b172f26263d55525

    • SHA512

      7a36b8a7c2fd9189a3987e0ad1d109d3e81072546784d99719104f2359042285aaa2f9f0b4173effd6713b291813d9f08ae8804a87fb89bb0baea3b1fb20e86a

    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

    • Executes dropped EXE

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks