Overview

overview

10

Static

static

350a594c42...d2.exe

windows7_x64

3

350a594c42...d2.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    350a594c4295d9108753f28159e65d192256b74968b087b90cb2ec091cfa2ad2

  • Size

    288KB

  • Sample

    220619-xsd3hshdcj

  • MD5

    49c14162f3ee193af91eadadcca62016

  • SHA1

    c45b24e9807486083c6a9f38a0ef9cfe4b75663b

  • SHA256

    350a594c4295d9108753f28159e65d192256b74968b087b90cb2ec091cfa2ad2

  • SHA512

    92ed684d0f88a131e8a9daa0f410a32b87f1748947fa8b7a3eda1cb953d2bb60c0e9c96933e9fa663916258cddc57a294dc0c436a9270318fe4fd6ac3de5ac5d

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

103.232.222.57

111.121.193.242

123.249.0.22

Targets

    • Target

      350a594c4295d9108753f28159e65d192256b74968b087b90cb2ec091cfa2ad2

    • Size

      288KB

    • MD5

      49c14162f3ee193af91eadadcca62016

    • SHA1

      c45b24e9807486083c6a9f38a0ef9cfe4b75663b

    • SHA256

      350a594c4295d9108753f28159e65d192256b74968b087b90cb2ec091cfa2ad2

    • SHA512

      92ed684d0f88a131e8a9daa0f410a32b87f1748947fa8b7a3eda1cb953d2bb60c0e9c96933e9fa663916258cddc57a294dc0c436a9270318fe4fd6ac3de5ac5d

    Score
    10/10
    tofseepersistencetrojan

    • Tofsee

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

      trojantofsee

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks