Overview

overview

10

Static

static

bf70072a41...da.exe

windows7-x64

10

bf70072a41...da.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    bf70072a410476c477352aad030772083818addd487a2960e6b3721a9fbaf6da

  • Size

    104KB

  • Sample

    220724-vzwj2acfcl

  • MD5

    202cbaf42e640f679f02b34129b55bf7

  • SHA1

    99db92a9d47bc57578e2d423db2858151d4b945e

  • SHA256

    bf70072a410476c477352aad030772083818addd487a2960e6b3721a9fbaf6da

  • SHA512

    fafb5a2471d915b9bb9043b703c957f0e8471cbb1c0e4fc8ae17968a71bea400edbab52fef2e297ba3ad141f65449991a027a27cab20b8e3700629d8aa5773e3

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      bf70072a410476c477352aad030772083818addd487a2960e6b3721a9fbaf6da

    • Size

      104KB

    • MD5

      202cbaf42e640f679f02b34129b55bf7

    • SHA1

      99db92a9d47bc57578e2d423db2858151d4b945e

    • SHA256

      bf70072a410476c477352aad030772083818addd487a2960e6b3721a9fbaf6da

    • SHA512

      fafb5a2471d915b9bb9043b703c957f0e8471cbb1c0e4fc8ae17968a71bea400edbab52fef2e297ba3ad141f65449991a027a27cab20b8e3700629d8aa5773e3

    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