Overview

overview

10

Static

static

d05cdcc941...ce.exe

windows7-x64

10

d05cdcc941...ce.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d05cdcc941de8ed253067a4d0408918ae90263ee52ceadb7bed9b24ed085e2ce

  • Size

    162KB

  • Sample

    221130-kgq7gsgb7x

  • MD5

    5fa7e2104e3586f15c24b76c5943b77e

  • SHA1

    92a39bab16bec38a70702cc6142af3448479d870

  • SHA256

    d05cdcc941de8ed253067a4d0408918ae90263ee52ceadb7bed9b24ed085e2ce

  • SHA512

    161fd1415fc7fd8e996c06484d6c17a2b4125992d49157caf9c312ee0f4f4f140c496b7a92c977262e326975f6dd807734452506eb2cf553e407900910919ebf

  • SSDEEP

    1536:Pj0n0WIeUA4w3HqXyP06wttI9tdnnUtxeB9TS41SGK1M7JVJ7Cf5Iqff:hw6XJ6wtWFnUtx89OxG9JPQ5P

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

91.121.4.118

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      d05cdcc941de8ed253067a4d0408918ae90263ee52ceadb7bed9b24ed085e2ce

    • Size

      162KB

    • MD5

      5fa7e2104e3586f15c24b76c5943b77e

    • SHA1

      92a39bab16bec38a70702cc6142af3448479d870

    • SHA256

      d05cdcc941de8ed253067a4d0408918ae90263ee52ceadb7bed9b24ed085e2ce

    • SHA512

      161fd1415fc7fd8e996c06484d6c17a2b4125992d49157caf9c312ee0f4f4f140c496b7a92c977262e326975f6dd807734452506eb2cf553e407900910919ebf

    • SSDEEP

      1536:Pj0n0WIeUA4w3HqXyP06wttI9tdnnUtxeB9TS41SGK1M7JVJ7Cf5Iqff:hw6XJ6wtWFnUtx89OxG9JPQ5P

    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.

    • Deletes itself

    • Loads dropped DLL

    • 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