Overview

overview

10

Static

static

962f61d2ed...5b.exe

windows7-x64

10

962f61d2ed...5b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    962f61d2ed1878ba0f3ead81abb88b57a89504348399539194b7c8f35321b35b

  • Size

    108KB

  • Sample

    221203-vgwr3she74

  • MD5

    03cad9de17fd5a6d3e76cdd2fcb602fa

  • SHA1

    fe07aaf83c3c9e7ccb47dfe9f0d4488241faa057

  • SHA256

    962f61d2ed1878ba0f3ead81abb88b57a89504348399539194b7c8f35321b35b

  • SHA512

    6b893850e93c1d40fca532968d91a75370079700e21dabe79389b48359b7db5457b80764e34980390ec485bd6ccdf34346bc331cd63b113b4d7a8002017b6732

  • SSDEEP

    1536:/O6w3uUlKT5QyiCWXYGbPLtl1Fw/uLeupuMlwWHEFRrKpCdjaX2/:/FGu0KdQyc3t/FguLpEFRrKpUaXM

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

188.93.235.142

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      962f61d2ed1878ba0f3ead81abb88b57a89504348399539194b7c8f35321b35b

    • Size

      108KB

    • MD5

      03cad9de17fd5a6d3e76cdd2fcb602fa

    • SHA1

      fe07aaf83c3c9e7ccb47dfe9f0d4488241faa057

    • SHA256

      962f61d2ed1878ba0f3ead81abb88b57a89504348399539194b7c8f35321b35b

    • SHA512

      6b893850e93c1d40fca532968d91a75370079700e21dabe79389b48359b7db5457b80764e34980390ec485bd6ccdf34346bc331cd63b113b4d7a8002017b6732

    • SSDEEP

      1536:/O6w3uUlKT5QyiCWXYGbPLtl1Fw/uLeupuMlwWHEFRrKpCdjaX2/:/FGu0KdQyc3t/FguLpEFRrKpUaXM

    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