Overview

overview

10

Static

static

59041c9612...89.exe

windows7-x64

10

59041c9612...89.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    59041c9612409e6e29396725ac2eff70eb0f221ff0abcce4e4b45c80b3b9e489

  • Size

    142KB

  • Sample

    220724-gb89bshaar

  • MD5

    96290b6d1ff2ea3be726db7d59eeb791

  • SHA1

    b75f9263569bb2fbc37cba9c1304465c31b7a461

  • SHA256

    59041c9612409e6e29396725ac2eff70eb0f221ff0abcce4e4b45c80b3b9e489

  • SHA512

    c485f72a130cd86793040cf72746ff1bdfd9a746b126edc929d3bc09a813a7fcb9733848cfb21d0860abffccd7fae1bc8e94209e23afdf8b0f6f67e48c9b088f

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      59041c9612409e6e29396725ac2eff70eb0f221ff0abcce4e4b45c80b3b9e489

    • Size

      142KB

    • MD5

      96290b6d1ff2ea3be726db7d59eeb791

    • SHA1

      b75f9263569bb2fbc37cba9c1304465c31b7a461

    • SHA256

      59041c9612409e6e29396725ac2eff70eb0f221ff0abcce4e4b45c80b3b9e489

    • SHA512

      c485f72a130cd86793040cf72746ff1bdfd9a746b126edc929d3bc09a813a7fcb9733848cfb21d0860abffccd7fae1bc8e94209e23afdf8b0f6f67e48c9b088f

    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