Overview

overview

10

Static

static

dridex

windows10-2004_x64

10

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General

  • Target

    8bc5c7e66da6fca1a8ecb3bffbf04fa46608c18ddec3b52155d3ecc13a36c163

  • Size

    308KB

  • Sample

    220620-j91qysdgc8

  • MD5

    d60d0f55650721c975125d064f4b60a1

  • SHA1

    44bbb32290fc84fb80b9054359e70d0b53ff5f57

  • SHA256

    8bc5c7e66da6fca1a8ecb3bffbf04fa46608c18ddec3b52155d3ecc13a36c163

  • SHA512

    a6c09656827a0d8535e0dd6431672bdfc483e175f6507de9d2d122311b6f1411650f4cb4dc3ea628eb77e67fe7ea600d583bc3444e0d98e7e91bdda65840afb1

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      8bc5c7e66da6fca1a8ecb3bffbf04fa46608c18ddec3b52155d3ecc13a36c163

    • Size

      308KB

    • MD5

      d60d0f55650721c975125d064f4b60a1

    • SHA1

      44bbb32290fc84fb80b9054359e70d0b53ff5f57

    • SHA256

      8bc5c7e66da6fca1a8ecb3bffbf04fa46608c18ddec3b52155d3ecc13a36c163

    • SHA512

      a6c09656827a0d8535e0dd6431672bdfc483e175f6507de9d2d122311b6f1411650f4cb4dc3ea628eb77e67fe7ea600d583bc3444e0d98e7e91bdda65840afb1

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

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

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